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https://github.com/git/git
synced 2024-08-27 19:49:21 +00:00
convert object type handling from a string to a number
We currently have two parallel notation for dealing with object types in the code: a string and a numerical value. One of them is obviously redundent, and the most used one requires more stack space and a bunch of strcmp() all over the place. This is an initial step for the removal of the version using a char array found in object reading code paths. The patch is unfortunately large but there is no sane way to split it in smaller parts without breaking the system. Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
parent
df8436622f
commit
21666f1aae
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@ -262,7 +262,7 @@ static int write_tar_entry(const unsigned char *sha1,
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static struct strbuf path;
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int filenamelen = strlen(filename);
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void *buffer;
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char type[20];
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enum object_type type;
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unsigned long size;
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if (!path.alloc) {
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@ -283,7 +283,7 @@ static int write_tar_entry(const unsigned char *sha1,
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buffer = NULL;
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size = 0;
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} else {
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buffer = read_sha1_file(sha1, type, &size);
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buffer = read_sha1_file(sha1, &type, &size);
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if (!buffer)
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die("cannot read %s", sha1_to_hex(sha1));
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}
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@ -167,7 +167,7 @@ static int write_zip_entry(const unsigned char *sha1,
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int pathlen;
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unsigned char *out;
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char *path;
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char type[20];
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enum object_type type;
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void *buffer = NULL;
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void *deflated = NULL;
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@ -195,7 +195,7 @@ static int write_zip_entry(const unsigned char *sha1,
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if (S_ISREG(mode) && zlib_compression_level != 0)
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method = 8;
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result = 0;
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buffer = read_sha1_file(sha1, type, &size);
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buffer = read_sha1_file(sha1, &type, &size);
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if (!buffer)
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die("cannot read %s", sha1_to_hex(sha1));
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crc = crc32(crc, buffer, size);
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6
blob.c
6
blob.c
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@ -30,18 +30,18 @@ int parse_blob_buffer(struct blob *item, void *buffer, unsigned long size)
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int parse_blob(struct blob *item)
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{
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char type[20];
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enum object_type type;
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void *buffer;
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unsigned long size;
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int ret;
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if (item->object.parsed)
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return 0;
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buffer = read_sha1_file(item->object.sha1, type, &size);
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buffer = read_sha1_file(item->object.sha1, &type, &size);
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if (!buffer)
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return error("Could not read %s",
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sha1_to_hex(item->object.sha1));
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if (strcmp(type, blob_type))
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if (type != OBJ_BLOB)
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return error("Object %s not a blob",
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sha1_to_hex(item->object.sha1));
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ret = parse_blob_buffer(item, buffer, size);
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@ -1912,11 +1912,11 @@ static int apply_binary(struct buffer_desc *desc, struct patch *patch)
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if (has_sha1_file(sha1)) {
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/* We already have the postimage */
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char type[10];
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enum object_type type;
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unsigned long size;
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free(desc->buffer);
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desc->buffer = read_sha1_file(sha1, type, &size);
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desc->buffer = read_sha1_file(sha1, &type, &size);
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if (!desc->buffer)
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return error("the necessary postimage %s for "
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"'%s' cannot be read",
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@ -1972,8 +1972,8 @@ static int apply_data(struct patch *patch, struct stat *st, struct cache_entry *
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buf = NULL;
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if (cached) {
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if (ce) {
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char type[20];
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buf = read_sha1_file(ce->sha1, type, &size);
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enum object_type type;
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buf = read_sha1_file(ce->sha1, &type, &size);
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if (!buf)
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return error("read of %s failed",
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patch->old_name);
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@ -87,9 +87,9 @@ struct origin {
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static char *fill_origin_blob(struct origin *o, mmfile_t *file)
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{
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if (!o->file.ptr) {
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char type[10];
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enum object_type type;
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num_read_blob++;
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file->ptr = read_sha1_file(o->blob_sha1, type,
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file->ptr = read_sha1_file(o->blob_sha1, &type,
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(unsigned long *)(&(file->size)));
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o->file = *file;
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}
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@ -263,7 +263,6 @@ static struct origin *get_origin(struct scoreboard *sb,
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static int fill_blob_sha1(struct origin *origin)
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{
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unsigned mode;
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char type[10];
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if (!is_null_sha1(origin->blob_sha1))
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return 0;
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@ -271,8 +270,7 @@ static int fill_blob_sha1(struct origin *origin)
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origin->path,
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origin->blob_sha1, &mode))
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goto error_out;
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if (sha1_object_info(origin->blob_sha1, type, NULL) ||
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strcmp(type, blob_type))
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if (sha1_object_info(origin->blob_sha1, NULL) != OBJ_BLOB)
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goto error_out;
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return 0;
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error_out:
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@ -1322,10 +1320,10 @@ static void get_commit_info(struct commit *commit,
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* we now need to populate them for output.
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*/
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if (!commit->buffer) {
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char type[20];
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enum object_type type;
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unsigned long size;
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commit->buffer =
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read_sha1_file(commit->object.sha1, type, &size);
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read_sha1_file(commit->object.sha1, &type, &size);
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}
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ret->author = author_buf;
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get_ac_line(commit->buffer, "\nauthor ",
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@ -2006,7 +2004,7 @@ static struct commit *fake_working_tree_commit(const char *path, const char *con
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buf[fin_size] = 0;
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origin->file.ptr = buf;
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origin->file.size = fin_size;
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pretend_sha1_file(buf, fin_size, blob_type, origin->blob_sha1);
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pretend_sha1_file(buf, fin_size, OBJ_BLOB, origin->blob_sha1);
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commit->util = origin;
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/*
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@ -2068,7 +2066,7 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
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int show_stats = 0;
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const char *revs_file = NULL;
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const char *final_commit_name = NULL;
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char type[10];
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enum object_type type;
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const char *bottomtop = NULL;
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const char *contents_from = NULL;
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@ -2302,7 +2300,7 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
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if (fill_blob_sha1(o))
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die("no such path %s in %s", path, final_commit_name);
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sb.final_buf = read_sha1_file(o->blob_sha1, type,
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sb.final_buf = read_sha1_file(o->blob_sha1, &type,
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&sb.final_buf_size);
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}
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num_read_blob++;
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@ -79,7 +79,7 @@ static void pprint_tag(const unsigned char *sha1, const char *buf, unsigned long
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int cmd_cat_file(int argc, const char **argv, const char *prefix)
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{
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unsigned char sha1[20];
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char type[20];
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enum object_type type;
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void *buf;
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unsigned long size;
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int opt;
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buf = NULL;
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switch (opt) {
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case 't':
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if (!sha1_object_info(sha1, type, NULL)) {
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printf("%s\n", type);
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type = sha1_object_info(sha1, NULL);
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if (type > 0) {
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printf("%s\n", typename(type));
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return 0;
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}
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break;
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case 's':
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if (!sha1_object_info(sha1, type, &size)) {
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type = sha1_object_info(sha1, &size);
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if (type > 0) {
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printf("%lu\n", size);
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return 0;
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}
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return !has_sha1_file(sha1);
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case 'p':
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if (sha1_object_info(sha1, type, NULL))
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type = sha1_object_info(sha1, NULL);
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if (type < 0)
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die("Not a valid object name %s", argv[2]);
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/* custom pretty-print here */
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if (!strcmp(type, tree_type))
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if (type == OBJ_TREE)
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return cmd_ls_tree(2, argv + 1, NULL);
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buf = read_sha1_file(sha1, type, &size);
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buf = read_sha1_file(sha1, &type, &size);
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if (!buf)
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die("Cannot read object %s", argv[2]);
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if (!strcmp(type, tag_type)) {
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if (type == OBJ_TAG) {
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pprint_tag(sha1, buf, size);
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return 0;
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}
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@ -47,11 +47,10 @@ static void add_buffer(char **bufp, unsigned int *sizep, const char *fmt, ...)
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static void check_valid(unsigned char *sha1, const char *expect)
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{
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char type[20];
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if (sha1_object_info(sha1, type, NULL))
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enum object_type type = sha1_object_info(sha1, NULL);
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if (type < 0)
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die("%s is not a valid object", sha1_to_hex(sha1));
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if (expect && strcmp(type, expect))
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if (expect && type != type_from_string(expect))
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die("%s is not a valid '%s' object", sha1_to_hex(sha1),
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expect);
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}
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@ -173,8 +173,8 @@ static void verify_format(const char *format)
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*/
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static void *get_obj(const unsigned char *sha1, struct object **obj, unsigned long *sz, int *eaten)
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{
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char type[20];
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void *buf = read_sha1_file(sha1, type, sz);
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enum object_type type;
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void *buf = read_sha1_file(sha1, &type, sz);
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if (buf)
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*obj = parse_object_buffer(sha1, type, *sz, buf, eaten);
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@ -84,11 +84,11 @@ static int grep_sha1(struct grep_opt *opt, const unsigned char *sha1, const char
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{
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unsigned long size;
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char *data;
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char type[20];
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enum object_type type;
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char *to_free = NULL;
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int hit;
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data = read_sha1_file(sha1, type, &size);
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data = read_sha1_file(sha1, &type, &size);
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if (!data) {
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error("'%s': unable to read %s", name, sha1_to_hex(sha1));
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return 0;
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else if (S_ISREG(entry.mode))
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hit |= grep_sha1(opt, entry.sha1, path_buf, tn_len);
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else if (S_ISDIR(entry.mode)) {
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char type[20];
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enum object_type type;
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struct tree_desc sub;
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void *data;
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data = read_sha1_file(entry.sha1, type, &sub.size);
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data = read_sha1_file(entry.sha1, &type, &sub.size);
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if (!data)
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die("unable to read tree (%s)",
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sha1_to_hex(entry.sha1));
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@ -89,8 +89,8 @@ int cmd_whatchanged(int argc, const char **argv, const char *prefix)
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static int show_object(const unsigned char *sha1, int suppress_header)
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{
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unsigned long size;
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char type[20];
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char *buf = read_sha1_file(sha1, type, &size);
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enum object_type type;
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char *buf = read_sha1_file(sha1, &type, &size);
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int offset = 0;
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if (!buf)
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@ -230,8 +230,8 @@ static unsigned char *find_packed_object_name(struct packed_git *p,
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static void *delta_against(void *buf, unsigned long size, struct object_entry *entry)
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{
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unsigned long othersize, delta_size;
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char type[10];
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void *otherbuf = read_sha1_file(entry->delta->sha1, type, &othersize);
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enum object_type type;
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void *otherbuf = read_sha1_file(entry->delta->sha1, &type, &othersize);
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void *delta_buf;
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if (!otherbuf)
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@ -375,7 +375,7 @@ static unsigned long write_object(struct sha1file *f,
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struct object_entry *entry)
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{
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unsigned long size;
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char type[10];
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enum object_type type;
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void *buf;
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unsigned char header[10];
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unsigned hdrlen, datalen;
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@ -416,7 +416,7 @@ static unsigned long write_object(struct sha1file *f,
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}
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if (!to_reuse) {
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buf = read_sha1_file(entry->sha1, type, &size);
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buf = read_sha1_file(entry->sha1, &type, &size);
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if (!buf)
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die("unable to read %s", sha1_to_hex(entry->sha1));
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if (size != entry->size)
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@ -765,7 +765,7 @@ static struct pbase_tree_cache *pbase_tree_get(const unsigned char *sha1)
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struct pbase_tree_cache *ent, *nent;
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void *data;
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unsigned long size;
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char type[20];
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enum object_type type;
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int neigh;
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int my_ix = pbase_tree_cache_ix(sha1);
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int available_ix = -1;
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@ -792,10 +792,10 @@ static struct pbase_tree_cache *pbase_tree_get(const unsigned char *sha1)
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/* Did not find one. Either we got a bogus request or
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* we need to read and perhaps cache.
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*/
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data = read_sha1_file(sha1, type, &size);
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data = read_sha1_file(sha1, &type, &size);
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if (!data)
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return NULL;
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if (strcmp(type, tree_type)) {
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if (type != OBJ_TREE) {
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free(data);
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return NULL;
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}
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@ -854,19 +854,19 @@ static void add_pbase_object(struct tree_desc *tree,
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while (tree_entry(tree,&entry)) {
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unsigned long size;
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char type[20];
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enum object_type type;
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if (entry.pathlen != cmplen ||
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memcmp(entry.path, name, cmplen) ||
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!has_sha1_file(entry.sha1) ||
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sha1_object_info(entry.sha1, type, &size))
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(type = sha1_object_info(entry.sha1, &size)) < 0)
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continue;
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if (name[cmplen] != '/') {
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unsigned hash = name_hash(fullname);
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add_object_entry(entry.sha1, hash, 1);
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return;
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}
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if (!strcmp(type, tree_type)) {
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if (type == OBJ_TREE) {
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struct tree_desc sub;
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struct pbase_tree_cache *tree;
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const char *down = name+cmplen+1;
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@ -978,8 +978,6 @@ static void add_preferred_base(unsigned char *sha1)
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static void check_object(struct object_entry *entry)
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{
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char type[20];
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if (entry->in_pack && !entry->preferred_base) {
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struct packed_git *p = entry->in_pack;
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struct pack_window *w_curs = NULL;
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@ -1062,10 +1060,10 @@ static void check_object(struct object_entry *entry)
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/* Otherwise we would do the usual */
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}
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if (sha1_object_info(entry->sha1, type, &entry->size))
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entry->type = sha1_object_info(entry->sha1, &entry->size);
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if (entry->type < 0)
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die("unable to get type of object %s",
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sha1_to_hex(entry->sha1));
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entry->type = type_from_string(type);
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}
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static unsigned int check_delta_limit(struct object_entry *me, unsigned int n)
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@ -1195,7 +1193,7 @@ static int try_delta(struct unpacked *trg, struct unpacked *src,
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struct object_entry *trg_entry = trg->entry;
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struct object_entry *src_entry = src->entry;
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unsigned long trg_size, src_size, delta_size, sizediff, max_size, sz;
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char type[10];
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enum object_type type;
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void *delta_buf;
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/* Don't bother doing diffs between different types */
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@ -1246,13 +1244,13 @@ static int try_delta(struct unpacked *trg, struct unpacked *src,
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/* Load data if not already done */
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if (!trg->data) {
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trg->data = read_sha1_file(trg_entry->sha1, type, &sz);
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trg->data = read_sha1_file(trg_entry->sha1, &type, &sz);
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if (sz != trg_size)
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die("object %s inconsistent object length (%lu vs %lu)",
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sha1_to_hex(trg_entry->sha1), sz, trg_size);
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}
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if (!src->data) {
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src->data = read_sha1_file(src_entry->sha1, type, &sz);
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src->data = read_sha1_file(src_entry->sha1, &type, &sz);
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if (sz != src_size)
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die("object %s inconsistent object length (%lu vs %lu)",
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sha1_to_hex(src_entry->sha1), sz, src_size);
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@ -10,15 +10,10 @@ static int show_only;
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static int prune_object(char *path, const char *filename, const unsigned char *sha1)
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{
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char buf[20];
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const char *type;
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if (show_only) {
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if (sha1_object_info(sha1, buf, NULL))
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type = "unknown";
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else
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type = buf;
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printf("%s %s\n", sha1_to_hex(sha1), type);
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enum object_type type = sha1_object_info(sha1, NULL);
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printf("%s %s\n", sha1_to_hex(sha1),
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(type > 0) ? typename(type) : "unknown");
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||||
return 0;
|
||||
}
|
||||
unlink(mkpath("%s/%s", path, filename));
|
||||
|
|
|
@ -55,8 +55,8 @@ static int tree_is_complete(const unsigned char *sha1)
|
|||
desc.buf = tree->buffer;
|
||||
desc.size = tree->size;
|
||||
if (!desc.buf) {
|
||||
char type[20];
|
||||
void *data = read_sha1_file(sha1, type, &desc.size);
|
||||
enum object_type type;
|
||||
void *data = read_sha1_file(sha1, &type, &desc.size);
|
||||
if (!data) {
|
||||
tree->object.flags |= INCOMPLETE;
|
||||
return 0;
|
||||
|
|
|
@ -119,18 +119,18 @@ struct obj_info {
|
|||
|
||||
static struct obj_info *obj_list;
|
||||
|
||||
static void added_object(unsigned nr, const char *type, void *data,
|
||||
unsigned long size);
|
||||
static void added_object(unsigned nr, enum object_type type,
|
||||
void *data, unsigned long size);
|
||||
|
||||
static void write_object(unsigned nr, void *buf, unsigned long size,
|
||||
const char *type)
|
||||
static void write_object(unsigned nr, enum object_type type,
|
||||
void *buf, unsigned long size)
|
||||
{
|
||||
if (write_sha1_file(buf, size, type, obj_list[nr].sha1) < 0)
|
||||
if (write_sha1_file(buf, size, typename(type), obj_list[nr].sha1) < 0)
|
||||
die("failed to write object");
|
||||
added_object(nr, type, buf, size);
|
||||
}
|
||||
|
||||
static void resolve_delta(unsigned nr, const char *type,
|
||||
static void resolve_delta(unsigned nr, enum object_type type,
|
||||
void *base, unsigned long base_size,
|
||||
void *delta, unsigned long delta_size)
|
||||
{
|
||||
|
@ -143,12 +143,12 @@ static void resolve_delta(unsigned nr, const char *type,
|
|||
if (!result)
|
||||
die("failed to apply delta");
|
||||
free(delta);
|
||||
write_object(nr, result, result_size, type);
|
||||
write_object(nr, type, result, result_size);
|
||||
free(result);
|
||||
}
|
||||
|
||||
static void added_object(unsigned nr, const char *type, void *data,
|
||||
unsigned long size)
|
||||
static void added_object(unsigned nr, enum object_type type,
|
||||
void *data, unsigned long size)
|
||||
{
|
||||
struct delta_info **p = &delta_list;
|
||||
struct delta_info *info;
|
||||
|
@ -167,33 +167,24 @@ static void added_object(unsigned nr, const char *type, void *data,
|
|||
}
|
||||
}
|
||||
|
||||
static void unpack_non_delta_entry(enum object_type kind, unsigned long size,
|
||||
static void unpack_non_delta_entry(enum object_type type, unsigned long size,
|
||||
unsigned nr)
|
||||
{
|
||||
void *buf = get_data(size);
|
||||
const char *type;
|
||||
|
||||
switch (kind) {
|
||||
case OBJ_COMMIT: type = commit_type; break;
|
||||
case OBJ_TREE: type = tree_type; break;
|
||||
case OBJ_BLOB: type = blob_type; break;
|
||||
case OBJ_TAG: type = tag_type; break;
|
||||
default: die("bad type %d", kind);
|
||||
}
|
||||
if (!dry_run && buf)
|
||||
write_object(nr, buf, size, type);
|
||||
write_object(nr, type, buf, size);
|
||||
free(buf);
|
||||
}
|
||||
|
||||
static void unpack_delta_entry(enum object_type kind, unsigned long delta_size,
|
||||
static void unpack_delta_entry(enum object_type type, unsigned long delta_size,
|
||||
unsigned nr)
|
||||
{
|
||||
void *delta_data, *base;
|
||||
unsigned long base_size;
|
||||
char type[20];
|
||||
unsigned char base_sha1[20];
|
||||
|
||||
if (kind == OBJ_REF_DELTA) {
|
||||
if (type == OBJ_REF_DELTA) {
|
||||
hashcpy(base_sha1, fill(20));
|
||||
use(20);
|
||||
delta_data = get_data(delta_size);
|
||||
|
@ -255,7 +246,7 @@ static void unpack_delta_entry(enum object_type kind, unsigned long delta_size,
|
|||
}
|
||||
}
|
||||
|
||||
base = read_sha1_file(base_sha1, type, &base_size);
|
||||
base = read_sha1_file(base_sha1, &type, &base_size);
|
||||
if (!base) {
|
||||
error("failed to read delta-pack base object %s",
|
||||
sha1_to_hex(base_sha1));
|
||||
|
|
36
cache.h
36
cache.h
|
@ -262,13 +262,25 @@ int adjust_shared_perm(const char *path);
|
|||
int safe_create_leading_directories(char *path);
|
||||
char *enter_repo(char *path, int strict);
|
||||
|
||||
enum object_type {
|
||||
OBJ_NONE = 0,
|
||||
OBJ_COMMIT = 1,
|
||||
OBJ_TREE = 2,
|
||||
OBJ_BLOB = 3,
|
||||
OBJ_TAG = 4,
|
||||
/* 5 for future expansion */
|
||||
OBJ_OFS_DELTA = 6,
|
||||
OBJ_REF_DELTA = 7,
|
||||
OBJ_BAD,
|
||||
};
|
||||
|
||||
/* Read and unpack a sha1 file into memory, write memory to a sha1 file */
|
||||
extern int sha1_object_info(const unsigned char *, char *, unsigned long *);
|
||||
extern void * unpack_sha1_file(void *map, unsigned long mapsize, char *type, unsigned long *size);
|
||||
extern void * read_sha1_file(const unsigned char *sha1, char *type, unsigned long *size);
|
||||
extern int sha1_object_info(const unsigned char *, unsigned long *);
|
||||
extern void * unpack_sha1_file(void *map, unsigned long mapsize, enum object_type *type, unsigned long *size);
|
||||
extern void * read_sha1_file(const unsigned char *sha1, enum object_type *type, unsigned long *size);
|
||||
extern int hash_sha1_file(void *buf, unsigned long len, const char *type, unsigned char *sha1);
|
||||
extern int write_sha1_file(void *buf, unsigned long len, const char *type, unsigned char *return_sha1);
|
||||
extern int pretend_sha1_file(void *, unsigned long, const char *, unsigned char *);
|
||||
extern int pretend_sha1_file(void *, unsigned long, enum object_type, unsigned char *);
|
||||
|
||||
extern int check_sha1_signature(const unsigned char *sha1, void *buf, unsigned long size, const char *type);
|
||||
|
||||
|
@ -285,18 +297,6 @@ extern int legacy_loose_object(unsigned char *);
|
|||
extern int has_pack_file(const unsigned char *sha1);
|
||||
extern int has_pack_index(const unsigned char *sha1);
|
||||
|
||||
enum object_type {
|
||||
OBJ_NONE = 0,
|
||||
OBJ_COMMIT = 1,
|
||||
OBJ_TREE = 2,
|
||||
OBJ_BLOB = 3,
|
||||
OBJ_TAG = 4,
|
||||
/* 5 for future expansion */
|
||||
OBJ_OFS_DELTA = 6,
|
||||
OBJ_REF_DELTA = 7,
|
||||
OBJ_BAD,
|
||||
};
|
||||
|
||||
extern signed char hexval_table[256];
|
||||
static inline unsigned int hexval(unsigned int c)
|
||||
{
|
||||
|
@ -422,9 +422,9 @@ extern struct packed_git *add_packed_git(char *, int, int);
|
|||
extern int num_packed_objects(const struct packed_git *p);
|
||||
extern int nth_packed_object_sha1(const struct packed_git *, int, unsigned char*);
|
||||
extern unsigned long find_pack_entry_one(const unsigned char *, struct packed_git *);
|
||||
extern void *unpack_entry(struct packed_git *, unsigned long, char *, unsigned long *);
|
||||
extern void *unpack_entry(struct packed_git *, unsigned long, enum object_type *, unsigned long *);
|
||||
extern unsigned long unpack_object_header_gently(const unsigned char *buf, unsigned long len, enum object_type *type, unsigned long *sizep);
|
||||
extern void packed_object_info_detail(struct packed_git *, unsigned long, char *, unsigned long *, unsigned long *, unsigned int *, unsigned char *);
|
||||
extern const char *packed_object_info_detail(struct packed_git *, unsigned long, unsigned long *, unsigned long *, unsigned int *, unsigned char *);
|
||||
|
||||
/* Dumb servers support */
|
||||
extern int update_server_info(int);
|
||||
|
|
|
@ -92,14 +92,14 @@ struct sline {
|
|||
static char *grab_blob(const unsigned char *sha1, unsigned long *size)
|
||||
{
|
||||
char *blob;
|
||||
char type[20];
|
||||
enum object_type type;
|
||||
if (is_null_sha1(sha1)) {
|
||||
/* deleted blob */
|
||||
*size = 0;
|
||||
return xcalloc(1, 1);
|
||||
}
|
||||
blob = read_sha1_file(sha1, type, size);
|
||||
if (strcmp(type, blob_type))
|
||||
blob = read_sha1_file(sha1, &type, size);
|
||||
if (type != OBJ_BLOB)
|
||||
die("object '%s' is not a blob!", sha1_to_hex(sha1));
|
||||
return blob;
|
||||
}
|
||||
|
|
6
commit.c
6
commit.c
|
@ -342,18 +342,18 @@ int parse_commit_buffer(struct commit *item, void *buffer, unsigned long size)
|
|||
|
||||
int parse_commit(struct commit *item)
|
||||
{
|
||||
char type[20];
|
||||
enum object_type type;
|
||||
void *buffer;
|
||||
unsigned long size;
|
||||
int ret;
|
||||
|
||||
if (item->object.parsed)
|
||||
return 0;
|
||||
buffer = read_sha1_file(item->object.sha1, type, &size);
|
||||
buffer = read_sha1_file(item->object.sha1, &type, &size);
|
||||
if (!buffer)
|
||||
return error("Could not read %s",
|
||||
sha1_to_hex(item->object.sha1));
|
||||
if (strcmp(type, commit_type)) {
|
||||
if (type != OBJ_COMMIT) {
|
||||
free(buffer);
|
||||
return error("Object %s not a commit",
|
||||
sha1_to_hex(item->object.sha1));
|
||||
|
|
|
@ -284,27 +284,27 @@ static void convert_commit(void *buffer, unsigned long size, unsigned char *resu
|
|||
static struct entry * convert_entry(unsigned char *sha1)
|
||||
{
|
||||
struct entry *entry = lookup_entry(sha1);
|
||||
char type[20];
|
||||
enum object_type type;
|
||||
void *buffer, *data;
|
||||
unsigned long size;
|
||||
|
||||
if (entry->converted)
|
||||
return entry;
|
||||
data = read_sha1_file(sha1, type, &size);
|
||||
data = read_sha1_file(sha1, &type, &size);
|
||||
if (!data)
|
||||
die("unable to read object %s", sha1_to_hex(sha1));
|
||||
|
||||
buffer = xmalloc(size);
|
||||
memcpy(buffer, data, size);
|
||||
|
||||
if (!strcmp(type, blob_type)) {
|
||||
if (type == OBJ_BLOB) {
|
||||
write_sha1_file(buffer, size, blob_type, entry->new_sha1);
|
||||
} else if (!strcmp(type, tree_type))
|
||||
} else if (type == OBJ_TREE)
|
||||
convert_tree(buffer, size, entry->new_sha1);
|
||||
else if (!strcmp(type, commit_type))
|
||||
else if (type == OBJ_COMMIT)
|
||||
convert_commit(buffer, size, entry->new_sha1);
|
||||
else
|
||||
die("unknown object type '%s' in %s", type, sha1_to_hex(sha1));
|
||||
die("unknown object type %d in %s", type, sha1_to_hex(sha1));
|
||||
entry->converted = 1;
|
||||
free(buffer);
|
||||
free(data);
|
||||
|
|
7
diff.c
7
diff.c
|
@ -1430,7 +1430,7 @@ int diff_populate_filespec(struct diff_filespec *s, int size_only)
|
|||
}
|
||||
}
|
||||
else {
|
||||
char type[20];
|
||||
enum object_type type;
|
||||
struct sha1_size_cache *e;
|
||||
|
||||
if (size_only) {
|
||||
|
@ -1439,11 +1439,12 @@ int diff_populate_filespec(struct diff_filespec *s, int size_only)
|
|||
s->size = e->size;
|
||||
return 0;
|
||||
}
|
||||
if (!sha1_object_info(s->sha1, type, &s->size))
|
||||
type = sha1_object_info(s->sha1, &s->size);
|
||||
if (type < 0)
|
||||
locate_size_cache(s->sha1, 0, s->size);
|
||||
}
|
||||
else {
|
||||
s->data = read_sha1_file(s->sha1, type, &s->size);
|
||||
s->data = read_sha1_file(s->sha1, &type, &s->size);
|
||||
s->should_free = 1;
|
||||
}
|
||||
}
|
||||
|
|
6
entry.c
6
entry.c
|
@ -68,10 +68,10 @@ static int write_entry(struct cache_entry *ce, char *path, struct checkout *stat
|
|||
void *new;
|
||||
unsigned long size;
|
||||
long wrote;
|
||||
char type[20];
|
||||
enum object_type type;
|
||||
|
||||
new = read_sha1_file(ce->sha1, type, &size);
|
||||
if (!new || strcmp(type, blob_type)) {
|
||||
new = read_sha1_file(ce->sha1, &type, &size);
|
||||
if (!new || type != OBJ_BLOB) {
|
||||
if (new)
|
||||
free(new);
|
||||
return error("git-checkout-index: unable to read sha1 file of %s (%s)",
|
||||
|
|
|
@ -1008,11 +1008,11 @@ static void *gfi_unpack_entry(
|
|||
struct object_entry *oe,
|
||||
unsigned long *sizep)
|
||||
{
|
||||
static char type[20];
|
||||
enum object_type type;
|
||||
struct packed_git *p = all_packs[oe->pack_id];
|
||||
if (p == pack_data)
|
||||
p->pack_size = pack_size + 20;
|
||||
return unpack_entry(p, oe->offset, type, sizep);
|
||||
return unpack_entry(p, oe->offset, &type, sizep);
|
||||
}
|
||||
|
||||
static const char *get_mode(const char *str, uint16_t *modep)
|
||||
|
@ -1049,9 +1049,9 @@ static void load_tree(struct tree_entry *root)
|
|||
t->delta_depth = 0;
|
||||
buf = gfi_unpack_entry(myoe, &size);
|
||||
} else {
|
||||
char type[20];
|
||||
buf = read_sha1_file(sha1, type, &size);
|
||||
if (!buf || strcmp(type, tree_type))
|
||||
enum object_type type;
|
||||
buf = read_sha1_file(sha1, &type, &size);
|
||||
if (!buf || type != OBJ_TREE)
|
||||
die("Can't load tree %s", sha1_to_hex(sha1));
|
||||
}
|
||||
|
||||
|
@ -1573,7 +1573,6 @@ static void file_change_m(struct branch *b)
|
|||
struct object_entry *oe = oe;
|
||||
unsigned char sha1[20];
|
||||
uint16_t mode, inline_data = 0;
|
||||
char type[20];
|
||||
|
||||
p = get_mode(p, &mode);
|
||||
if (!p)
|
||||
|
@ -1628,11 +1627,12 @@ static void file_change_m(struct branch *b)
|
|||
die("Not a blob (actually a %s): %s",
|
||||
command_buf.buf, typename(oe->type));
|
||||
} else {
|
||||
if (sha1_object_info(sha1, type, NULL))
|
||||
enum object_type type = sha1_object_info(sha1, NULL);
|
||||
if (type < 0)
|
||||
die("Blob not found: %s", command_buf.buf);
|
||||
if (strcmp(blob_type, type))
|
||||
if (type != OBJ_BLOB)
|
||||
die("Not a blob (actually a %s): %s",
|
||||
command_buf.buf, type);
|
||||
typename(type), command_buf.buf);
|
||||
}
|
||||
|
||||
tree_content_set(&b->branch_tree, p, sha1, S_IFREG | mode);
|
||||
|
|
|
@ -479,7 +479,7 @@ static void start_put(struct transfer_request *request)
|
|||
char *hex = sha1_to_hex(request->obj->sha1);
|
||||
struct active_request_slot *slot;
|
||||
char *posn;
|
||||
char type[20];
|
||||
enum object_type type;
|
||||
char hdr[50];
|
||||
void *unpacked;
|
||||
unsigned long len;
|
||||
|
@ -487,8 +487,8 @@ static void start_put(struct transfer_request *request)
|
|||
ssize_t size;
|
||||
z_stream stream;
|
||||
|
||||
unpacked = read_sha1_file(request->obj->sha1, type, &len);
|
||||
hdrlen = sprintf(hdr, "%s %lu", type, len) + 1;
|
||||
unpacked = read_sha1_file(request->obj->sha1, &type, &len);
|
||||
hdrlen = sprintf(hdr, "%s %lu", typename(type), len) + 1;
|
||||
|
||||
/* Set it up */
|
||||
memset(&stream, 0, sizeof(stream));
|
||||
|
|
10
index-pack.c
10
index-pack.c
|
@ -595,25 +595,23 @@ static void fix_unresolved_deltas(int nr_unresolved)
|
|||
struct delta_entry *d = sorted_by_pos[i];
|
||||
void *data;
|
||||
unsigned long size;
|
||||
char type[10];
|
||||
enum object_type obj_type;
|
||||
enum object_type type;
|
||||
int j, first, last;
|
||||
|
||||
if (objects[d->obj_no].real_type != OBJ_REF_DELTA)
|
||||
continue;
|
||||
data = read_sha1_file(d->base.sha1, type, &size);
|
||||
data = read_sha1_file(d->base.sha1, &type, &size);
|
||||
if (!data)
|
||||
continue;
|
||||
|
||||
obj_type = type_from_string(type);
|
||||
find_delta_children(&d->base, &first, &last);
|
||||
for (j = first; j <= last; j++) {
|
||||
struct object_entry *child = objects + deltas[j].obj_no;
|
||||
if (child->real_type == OBJ_REF_DELTA)
|
||||
resolve_delta(child, data, size, obj_type);
|
||||
resolve_delta(child, data, size, type);
|
||||
}
|
||||
|
||||
append_obj_to_pack(data, size, obj_type);
|
||||
append_obj_to_pack(data, size, type);
|
||||
free(data);
|
||||
if (verbose)
|
||||
percent = display_progress(nr_resolved_deltas,
|
||||
|
|
10
merge-file.c
10
merge-file.c
|
@ -7,12 +7,12 @@ static int fill_mmfile_blob(mmfile_t *f, struct blob *obj)
|
|||
{
|
||||
void *buf;
|
||||
unsigned long size;
|
||||
char type[20];
|
||||
enum object_type type;
|
||||
|
||||
buf = read_sha1_file(obj->object.sha1, type, &size);
|
||||
buf = read_sha1_file(obj->object.sha1, &type, &size);
|
||||
if (!buf)
|
||||
return -1;
|
||||
if (strcmp(type, blob_type))
|
||||
if (type != OBJ_BLOB)
|
||||
return -1;
|
||||
f->ptr = buf;
|
||||
f->size = size;
|
||||
|
@ -86,12 +86,12 @@ void *merge_file(struct blob *base, struct blob *our, struct blob *their, unsign
|
|||
* modified in the other branch!
|
||||
*/
|
||||
if (!our || !their) {
|
||||
char type[20];
|
||||
enum object_type type;
|
||||
if (base)
|
||||
return NULL;
|
||||
if (!our)
|
||||
our = their;
|
||||
return read_sha1_file(our->object.sha1, type, size);
|
||||
return read_sha1_file(our->object.sha1, &type, size);
|
||||
}
|
||||
|
||||
if (fill_mmfile_blob(&f1, our) < 0)
|
||||
|
|
|
@ -560,14 +560,14 @@ static void update_file_flags(const unsigned char *sha,
|
|||
update_wd = 0;
|
||||
|
||||
if (update_wd) {
|
||||
char type[20];
|
||||
enum object_type type;
|
||||
void *buf;
|
||||
unsigned long size;
|
||||
|
||||
buf = read_sha1_file(sha, type, &size);
|
||||
buf = read_sha1_file(sha, &type, &size);
|
||||
if (!buf)
|
||||
die("cannot read object %s '%s'", sha1_to_hex(sha), path);
|
||||
if (strcmp(type, blob_type) != 0)
|
||||
if (type != OBJ_BLOB)
|
||||
die("blob expected for %s '%s'", sha1_to_hex(sha), path);
|
||||
|
||||
if (S_ISREG(mode)) {
|
||||
|
@ -620,7 +620,7 @@ struct merge_file_info
|
|||
static void fill_mm(const unsigned char *sha1, mmfile_t *mm)
|
||||
{
|
||||
unsigned long size;
|
||||
char type[20];
|
||||
enum object_type type;
|
||||
|
||||
if (!hashcmp(sha1, null_sha1)) {
|
||||
mm->ptr = xstrdup("");
|
||||
|
@ -628,8 +628,8 @@ static void fill_mm(const unsigned char *sha1, mmfile_t *mm)
|
|||
return;
|
||||
}
|
||||
|
||||
mm->ptr = read_sha1_file(sha1, type, &size);
|
||||
if (!mm->ptr || strcmp(type, blob_type))
|
||||
mm->ptr = read_sha1_file(sha1, &type, &size);
|
||||
if (!mm->ptr || type != OBJ_BLOB)
|
||||
die("unable to read blob object %s", sha1_to_hex(sha1));
|
||||
mm->size = size;
|
||||
}
|
||||
|
@ -1213,7 +1213,7 @@ static int merge(struct commit *h1,
|
|||
|
||||
tree->object.parsed = 1;
|
||||
tree->object.type = OBJ_TREE;
|
||||
pretend_sha1_file(NULL, 0, tree_type, tree->object.sha1);
|
||||
pretend_sha1_file(NULL, 0, OBJ_TREE, tree->object.sha1);
|
||||
merged_common_ancestors = make_virtual_commit(tree, "ancestor");
|
||||
}
|
||||
|
||||
|
|
|
@ -57,11 +57,11 @@ extern void *merge_file(struct blob *, struct blob *, struct blob *, unsigned lo
|
|||
|
||||
static void *result(struct merge_list *entry, unsigned long *size)
|
||||
{
|
||||
char type[20];
|
||||
enum object_type type;
|
||||
struct blob *base, *our, *their;
|
||||
|
||||
if (!entry->stage)
|
||||
return read_sha1_file(entry->blob->object.sha1, type, size);
|
||||
return read_sha1_file(entry->blob->object.sha1, &type, size);
|
||||
base = NULL;
|
||||
if (entry->stage == 1) {
|
||||
base = entry->blob;
|
||||
|
@ -80,10 +80,10 @@ static void *result(struct merge_list *entry, unsigned long *size)
|
|||
|
||||
static void *origin(struct merge_list *entry, unsigned long *size)
|
||||
{
|
||||
char type[20];
|
||||
enum object_type type;
|
||||
while (entry) {
|
||||
if (entry->stage == 2)
|
||||
return read_sha1_file(entry->blob->object.sha1, type, size);
|
||||
return read_sha1_file(entry->blob->object.sha1, &type, size);
|
||||
entry = entry->link;
|
||||
}
|
||||
return NULL;
|
||||
|
|
8
mktag.c
8
mktag.c
|
@ -27,13 +27,13 @@
|
|||
static int verify_object(unsigned char *sha1, const char *expected_type)
|
||||
{
|
||||
int ret = -1;
|
||||
char type[100];
|
||||
enum object_type type;
|
||||
unsigned long size;
|
||||
void *buffer = read_sha1_file(sha1, type, &size);
|
||||
void *buffer = read_sha1_file(sha1, &type, &size);
|
||||
|
||||
if (buffer) {
|
||||
if (!strcmp(type, expected_type))
|
||||
ret = check_sha1_signature(sha1, buffer, size, type);
|
||||
if (type == type_from_string(expected_type))
|
||||
ret = check_sha1_signature(sha1, buffer, size, expected_type);
|
||||
free(buffer);
|
||||
}
|
||||
return ret;
|
||||
|
|
9
mktree.c
9
mktree.c
|
@ -95,7 +95,7 @@ int main(int ac, char **av)
|
|||
int len;
|
||||
char *ptr, *ntr;
|
||||
unsigned mode;
|
||||
char type[20];
|
||||
enum object_type type;
|
||||
char *path;
|
||||
|
||||
read_line(&sb, stdin, line_termination);
|
||||
|
@ -115,11 +115,12 @@ int main(int ac, char **av)
|
|||
ntr[41] != '\t' ||
|
||||
get_sha1_hex(ntr + 1, sha1))
|
||||
die("input format error: %s", sb.buf);
|
||||
if (sha1_object_info(sha1, type, NULL))
|
||||
type = sha1_object_info(sha1, NULL);
|
||||
if (type < 0)
|
||||
die("object %s unavailable", sha1_to_hex(sha1));
|
||||
*ntr++ = 0; /* now at the beginning of SHA1 */
|
||||
if (strcmp(ptr, type))
|
||||
die("object type %s mismatch (%s)", ptr, type);
|
||||
if (type != type_from_string(ptr))
|
||||
die("object type %s mismatch (%s)", ptr, typename(type));
|
||||
ntr += 41; /* at the beginning of name */
|
||||
if (line_termination && ntr[0] == '"')
|
||||
path = unquote_c_style(ntr, NULL);
|
||||
|
|
16
object.c
16
object.c
|
@ -158,23 +158,23 @@ struct object *lookup_unknown_object(const unsigned char *sha1)
|
|||
return obj;
|
||||
}
|
||||
|
||||
struct object *parse_object_buffer(const unsigned char *sha1, const char *type, unsigned long size, void *buffer, int *eaten_p)
|
||||
struct object *parse_object_buffer(const unsigned char *sha1, enum object_type type, unsigned long size, void *buffer, int *eaten_p)
|
||||
{
|
||||
struct object *obj;
|
||||
int eaten = 0;
|
||||
|
||||
if (!strcmp(type, blob_type)) {
|
||||
if (type == OBJ_BLOB) {
|
||||
struct blob *blob = lookup_blob(sha1);
|
||||
parse_blob_buffer(blob, buffer, size);
|
||||
obj = &blob->object;
|
||||
} else if (!strcmp(type, tree_type)) {
|
||||
} else if (type == OBJ_TREE) {
|
||||
struct tree *tree = lookup_tree(sha1);
|
||||
obj = &tree->object;
|
||||
if (!tree->object.parsed) {
|
||||
parse_tree_buffer(tree, buffer, size);
|
||||
eaten = 1;
|
||||
}
|
||||
} else if (!strcmp(type, commit_type)) {
|
||||
} else if (type == OBJ_COMMIT) {
|
||||
struct commit *commit = lookup_commit(sha1);
|
||||
parse_commit_buffer(commit, buffer, size);
|
||||
if (!commit->buffer) {
|
||||
|
@ -182,7 +182,7 @@ struct object *parse_object_buffer(const unsigned char *sha1, const char *type,
|
|||
eaten = 1;
|
||||
}
|
||||
obj = &commit->object;
|
||||
} else if (!strcmp(type, tag_type)) {
|
||||
} else if (type == OBJ_TAG) {
|
||||
struct tag *tag = lookup_tag(sha1);
|
||||
parse_tag_buffer(tag, buffer, size);
|
||||
obj = &tag->object;
|
||||
|
@ -196,13 +196,13 @@ struct object *parse_object_buffer(const unsigned char *sha1, const char *type,
|
|||
struct object *parse_object(const unsigned char *sha1)
|
||||
{
|
||||
unsigned long size;
|
||||
char type[20];
|
||||
enum object_type type;
|
||||
int eaten;
|
||||
void *buffer = read_sha1_file(sha1, type, &size);
|
||||
void *buffer = read_sha1_file(sha1, &type, &size);
|
||||
|
||||
if (buffer) {
|
||||
struct object *obj;
|
||||
if (check_sha1_signature(sha1, buffer, size, type) < 0)
|
||||
if (check_sha1_signature(sha1, buffer, size, typename(type)) < 0)
|
||||
printf("sha1 mismatch %s\n", sha1_to_hex(sha1));
|
||||
|
||||
obj = parse_object_buffer(sha1, type, size, buffer, &eaten);
|
||||
|
|
2
object.h
2
object.h
|
@ -59,7 +59,7 @@ struct object *parse_object(const unsigned char *sha1);
|
|||
* parsing it. eaten_p indicates if the object has a borrowed copy
|
||||
* of buffer and the caller should not free() it.
|
||||
*/
|
||||
struct object *parse_object_buffer(const unsigned char *sha1, const char *type, unsigned long size, void *buffer, int *eaten_p);
|
||||
struct object *parse_object_buffer(const unsigned char *sha1, enum object_type type, unsigned long size, void *buffer, int *eaten_p);
|
||||
|
||||
/** Returns the object, with potentially excess memory allocated. **/
|
||||
struct object *lookup_unknown_object(const unsigned char *sha1);
|
||||
|
|
14
pack-check.c
14
pack-check.c
|
@ -43,7 +43,7 @@ static int verify_packfile(struct packed_git *p,
|
|||
for (i = err = 0; i < nr_objects; i++) {
|
||||
unsigned char sha1[20];
|
||||
void *data;
|
||||
char type[20];
|
||||
enum object_type type;
|
||||
unsigned long size, offset;
|
||||
|
||||
if (nth_packed_object_sha1(p, i, sha1))
|
||||
|
@ -51,13 +51,13 @@ static int verify_packfile(struct packed_git *p,
|
|||
offset = find_pack_entry_one(sha1, p);
|
||||
if (!offset)
|
||||
die("internal error pack-check find-pack-entry-one");
|
||||
data = unpack_entry(p, offset, type, &size);
|
||||
data = unpack_entry(p, offset, &type, &size);
|
||||
if (!data) {
|
||||
err = error("cannot unpack %s from %s",
|
||||
sha1_to_hex(sha1), p->pack_name);
|
||||
continue;
|
||||
}
|
||||
if (check_sha1_signature(sha1, data, size, type)) {
|
||||
if (check_sha1_signature(sha1, data, size, typename(type))) {
|
||||
err = error("packed %s from %s is corrupt",
|
||||
sha1_to_hex(sha1), p->pack_name);
|
||||
free(data);
|
||||
|
@ -82,7 +82,7 @@ static void show_pack_info(struct packed_git *p)
|
|||
|
||||
for (i = 0; i < nr_objects; i++) {
|
||||
unsigned char sha1[20], base_sha1[20];
|
||||
char type[20];
|
||||
const char *type;
|
||||
unsigned long size;
|
||||
unsigned long store_size;
|
||||
unsigned long offset;
|
||||
|
@ -94,9 +94,9 @@ static void show_pack_info(struct packed_git *p)
|
|||
if (!offset)
|
||||
die("internal error pack-check find-pack-entry-one");
|
||||
|
||||
packed_object_info_detail(p, offset, type, &size, &store_size,
|
||||
&delta_chain_length,
|
||||
base_sha1);
|
||||
type = packed_object_info_detail(p, offset, &size, &store_size,
|
||||
&delta_chain_length,
|
||||
base_sha1);
|
||||
printf("%s ", sha1_to_hex(sha1));
|
||||
if (!delta_chain_length)
|
||||
printf("%-6s %lu %lu\n", type, size, offset);
|
||||
|
|
|
@ -72,7 +72,7 @@ static int ce_compare_link(struct cache_entry *ce, unsigned long expected_size)
|
|||
char *target;
|
||||
void *buffer;
|
||||
unsigned long size;
|
||||
char type[10];
|
||||
enum object_type type;
|
||||
int len;
|
||||
|
||||
target = xmalloc(expected_size);
|
||||
|
@ -81,7 +81,7 @@ static int ce_compare_link(struct cache_entry *ce, unsigned long expected_size)
|
|||
free(target);
|
||||
return -1;
|
||||
}
|
||||
buffer = read_sha1_file(ce->sha1, type, &size);
|
||||
buffer = read_sha1_file(ce->sha1, &type, &size);
|
||||
if (!buffer) {
|
||||
free(target);
|
||||
return -1;
|
||||
|
|
172
sha1_file.c
172
sha1_file.c
|
@ -983,26 +983,27 @@ static void *unpack_sha1_rest(z_stream *stream, void *buffer, unsigned long size
|
|||
* too permissive for what we want to check. So do an anal
|
||||
* object header parse by hand.
|
||||
*/
|
||||
static int parse_sha1_header(char *hdr, char *type, unsigned long *sizep)
|
||||
static int parse_sha1_header(const char *hdr, unsigned long *sizep)
|
||||
{
|
||||
char type[10];
|
||||
int i;
|
||||
unsigned long size;
|
||||
|
||||
/*
|
||||
* The type can be at most ten bytes (including the
|
||||
* terminating '\0' that we add), and is followed by
|
||||
* a space.
|
||||
* a space.
|
||||
*/
|
||||
i = 10;
|
||||
i = 0;
|
||||
for (;;) {
|
||||
char c = *hdr++;
|
||||
if (c == ' ')
|
||||
break;
|
||||
if (!--i)
|
||||
type[i++] = c;
|
||||
if (i >= sizeof(type))
|
||||
return -1;
|
||||
*type++ = c;
|
||||
}
|
||||
*type = 0;
|
||||
type[i] = 0;
|
||||
|
||||
/*
|
||||
* The length must follow immediately, and be in canonical
|
||||
|
@ -1025,17 +1026,17 @@ static int parse_sha1_header(char *hdr, char *type, unsigned long *sizep)
|
|||
/*
|
||||
* The length must be followed by a zero byte
|
||||
*/
|
||||
return *hdr ? -1 : 0;
|
||||
return *hdr ? -1 : type_from_string(type);
|
||||
}
|
||||
|
||||
void * unpack_sha1_file(void *map, unsigned long mapsize, char *type, unsigned long *size)
|
||||
void * unpack_sha1_file(void *map, unsigned long mapsize, enum object_type *type, unsigned long *size)
|
||||
{
|
||||
int ret;
|
||||
z_stream stream;
|
||||
char hdr[8192];
|
||||
|
||||
ret = unpack_sha1_header(&stream, map, mapsize, hdr, sizeof(hdr));
|
||||
if (ret < Z_OK || parse_sha1_header(hdr, type, size) < 0)
|
||||
if (ret < Z_OK || (*type = parse_sha1_header(hdr, size)) < 0)
|
||||
return NULL;
|
||||
|
||||
return unpack_sha1_rest(&stream, hdr, *size);
|
||||
|
@ -1044,7 +1045,7 @@ void * unpack_sha1_file(void *map, unsigned long mapsize, char *type, unsigned l
|
|||
static unsigned long get_delta_base(struct packed_git *p,
|
||||
struct pack_window **w_curs,
|
||||
unsigned long *curpos,
|
||||
enum object_type kind,
|
||||
enum object_type type,
|
||||
unsigned long delta_obj_offset)
|
||||
{
|
||||
unsigned char *base_info = use_pack(p, w_curs, *curpos, NULL);
|
||||
|
@ -1056,7 +1057,7 @@ static unsigned long get_delta_base(struct packed_git *p,
|
|||
* that is assured. An OFS_DELTA longer than the hash size
|
||||
* is stupid, as then a REF_DELTA would be smaller to store.
|
||||
*/
|
||||
if (kind == OBJ_OFS_DELTA) {
|
||||
if (type == OBJ_OFS_DELTA) {
|
||||
unsigned used = 0;
|
||||
unsigned char c = base_info[used++];
|
||||
base_offset = c & 127;
|
||||
|
@ -1071,7 +1072,7 @@ static unsigned long get_delta_base(struct packed_git *p,
|
|||
if (base_offset >= delta_obj_offset)
|
||||
die("delta base offset out of bound");
|
||||
*curpos += used;
|
||||
} else if (kind == OBJ_REF_DELTA) {
|
||||
} else if (type == OBJ_REF_DELTA) {
|
||||
/* The base entry _must_ be in the same pack */
|
||||
base_offset = find_pack_entry_one(base_info, p);
|
||||
if (!base_offset)
|
||||
|
@ -1085,28 +1086,25 @@ static unsigned long get_delta_base(struct packed_git *p,
|
|||
|
||||
/* forward declaration for a mutually recursive function */
|
||||
static int packed_object_info(struct packed_git *p, unsigned long offset,
|
||||
char *type, unsigned long *sizep);
|
||||
unsigned long *sizep);
|
||||
|
||||
static int packed_delta_info(struct packed_git *p,
|
||||
struct pack_window **w_curs,
|
||||
unsigned long curpos,
|
||||
enum object_type kind,
|
||||
enum object_type type,
|
||||
unsigned long obj_offset,
|
||||
char *type,
|
||||
unsigned long *sizep)
|
||||
{
|
||||
unsigned long base_offset;
|
||||
|
||||
base_offset = get_delta_base(p, w_curs, &curpos, kind, obj_offset);
|
||||
base_offset = get_delta_base(p, w_curs, &curpos, type, obj_offset);
|
||||
type = packed_object_info(p, base_offset, NULL);
|
||||
|
||||
/* We choose to only get the type of the base object and
|
||||
* ignore potentially corrupt pack file that expects the delta
|
||||
* based on a base with a wrong size. This saves tons of
|
||||
* inflate() calls.
|
||||
*/
|
||||
if (packed_object_info(p, base_offset, type, NULL))
|
||||
die("cannot get info for delta-pack base");
|
||||
|
||||
if (sizep) {
|
||||
const unsigned char *data;
|
||||
unsigned char delta_head[20], *in;
|
||||
|
@ -1141,7 +1139,8 @@ static int packed_delta_info(struct packed_git *p,
|
|||
/* Read the result size */
|
||||
*sizep = get_delta_hdr_size(&data, delta_head+sizeof(delta_head));
|
||||
}
|
||||
return 0;
|
||||
|
||||
return type;
|
||||
}
|
||||
|
||||
static int unpack_object_header(struct packed_git *p,
|
||||
|
@ -1169,38 +1168,36 @@ static int unpack_object_header(struct packed_git *p,
|
|||
return type;
|
||||
}
|
||||
|
||||
void packed_object_info_detail(struct packed_git *p,
|
||||
unsigned long obj_offset,
|
||||
char *type,
|
||||
unsigned long *size,
|
||||
unsigned long *store_size,
|
||||
unsigned int *delta_chain_length,
|
||||
unsigned char *base_sha1)
|
||||
const char *packed_object_info_detail(struct packed_git *p,
|
||||
unsigned long obj_offset,
|
||||
unsigned long *size,
|
||||
unsigned long *store_size,
|
||||
unsigned int *delta_chain_length,
|
||||
unsigned char *base_sha1)
|
||||
{
|
||||
struct pack_window *w_curs = NULL;
|
||||
unsigned long curpos, dummy;
|
||||
unsigned char *next_sha1;
|
||||
enum object_type kind;
|
||||
enum object_type type;
|
||||
|
||||
*delta_chain_length = 0;
|
||||
curpos = obj_offset;
|
||||
kind = unpack_object_header(p, &w_curs, &curpos, size);
|
||||
type = unpack_object_header(p, &w_curs, &curpos, size);
|
||||
|
||||
for (;;) {
|
||||
switch (kind) {
|
||||
switch (type) {
|
||||
default:
|
||||
die("pack %s contains unknown object type %d",
|
||||
p->pack_name, kind);
|
||||
p->pack_name, type);
|
||||
case OBJ_COMMIT:
|
||||
case OBJ_TREE:
|
||||
case OBJ_BLOB:
|
||||
case OBJ_TAG:
|
||||
strcpy(type, typename(kind));
|
||||
*store_size = 0; /* notyet */
|
||||
unuse_pack(&w_curs);
|
||||
return;
|
||||
return typename(type);
|
||||
case OBJ_OFS_DELTA:
|
||||
obj_offset = get_delta_base(p, &w_curs, &curpos, kind, obj_offset);
|
||||
obj_offset = get_delta_base(p, &w_curs, &curpos, type, obj_offset);
|
||||
if (*delta_chain_length == 0) {
|
||||
/* TODO: find base_sha1 as pointed by curpos */
|
||||
}
|
||||
|
@ -1214,39 +1211,38 @@ void packed_object_info_detail(struct packed_git *p,
|
|||
}
|
||||
(*delta_chain_length)++;
|
||||
curpos = obj_offset;
|
||||
kind = unpack_object_header(p, &w_curs, &curpos, &dummy);
|
||||
type = unpack_object_header(p, &w_curs, &curpos, &dummy);
|
||||
}
|
||||
}
|
||||
|
||||
static int packed_object_info(struct packed_git *p, unsigned long obj_offset,
|
||||
char *type, unsigned long *sizep)
|
||||
unsigned long *sizep)
|
||||
{
|
||||
struct pack_window *w_curs = NULL;
|
||||
unsigned long size, curpos = obj_offset;
|
||||
enum object_type kind;
|
||||
enum object_type type;
|
||||
|
||||
kind = unpack_object_header(p, &w_curs, &curpos, &size);
|
||||
type = unpack_object_header(p, &w_curs, &curpos, &size);
|
||||
|
||||
switch (kind) {
|
||||
switch (type) {
|
||||
case OBJ_OFS_DELTA:
|
||||
case OBJ_REF_DELTA:
|
||||
packed_delta_info(p, &w_curs, curpos, kind,
|
||||
obj_offset, type, sizep);
|
||||
type = packed_delta_info(p, &w_curs, curpos,
|
||||
type, obj_offset, sizep);
|
||||
break;
|
||||
case OBJ_COMMIT:
|
||||
case OBJ_TREE:
|
||||
case OBJ_BLOB:
|
||||
case OBJ_TAG:
|
||||
strcpy(type, typename(kind));
|
||||
if (sizep)
|
||||
*sizep = size;
|
||||
break;
|
||||
default:
|
||||
die("pack %s contains unknown object type %d",
|
||||
p->pack_name, kind);
|
||||
p->pack_name, type);
|
||||
}
|
||||
unuse_pack(&w_curs);
|
||||
return 0;
|
||||
return type;
|
||||
}
|
||||
|
||||
static void *unpack_compressed_entry(struct packed_git *p,
|
||||
|
@ -1284,15 +1280,14 @@ static void *unpack_delta_entry(struct packed_git *p,
|
|||
struct pack_window **w_curs,
|
||||
unsigned long curpos,
|
||||
unsigned long delta_size,
|
||||
enum object_type kind,
|
||||
unsigned long obj_offset,
|
||||
char *type,
|
||||
enum object_type *type,
|
||||
unsigned long *sizep)
|
||||
{
|
||||
void *delta_data, *result, *base;
|
||||
unsigned long result_size, base_size, base_offset;
|
||||
unsigned long base_size, base_offset;
|
||||
|
||||
base_offset = get_delta_base(p, w_curs, &curpos, kind, obj_offset);
|
||||
base_offset = get_delta_base(p, w_curs, &curpos, *type, obj_offset);
|
||||
base = unpack_entry(p, base_offset, type, &base_size);
|
||||
if (!base)
|
||||
die("failed to read delta base object at %lu from %s",
|
||||
|
@ -1301,43 +1296,39 @@ static void *unpack_delta_entry(struct packed_git *p,
|
|||
delta_data = unpack_compressed_entry(p, w_curs, curpos, delta_size);
|
||||
result = patch_delta(base, base_size,
|
||||
delta_data, delta_size,
|
||||
&result_size);
|
||||
sizep);
|
||||
if (!result)
|
||||
die("failed to apply delta");
|
||||
free(delta_data);
|
||||
free(base);
|
||||
*sizep = result_size;
|
||||
return result;
|
||||
}
|
||||
|
||||
void *unpack_entry(struct packed_git *p, unsigned long obj_offset,
|
||||
char *type, unsigned long *sizep)
|
||||
enum object_type *type, unsigned long *sizep)
|
||||
{
|
||||
struct pack_window *w_curs = NULL;
|
||||
unsigned long size, curpos = obj_offset;
|
||||
enum object_type kind;
|
||||
void *retval;
|
||||
unsigned long curpos = obj_offset;
|
||||
void *data;
|
||||
|
||||
kind = unpack_object_header(p, &w_curs, &curpos, &size);
|
||||
switch (kind) {
|
||||
*type = unpack_object_header(p, &w_curs, &curpos, sizep);
|
||||
switch (*type) {
|
||||
case OBJ_OFS_DELTA:
|
||||
case OBJ_REF_DELTA:
|
||||
retval = unpack_delta_entry(p, &w_curs, curpos, size,
|
||||
kind, obj_offset, type, sizep);
|
||||
data = unpack_delta_entry(p, &w_curs, curpos, *sizep,
|
||||
obj_offset, type, sizep);
|
||||
break;
|
||||
case OBJ_COMMIT:
|
||||
case OBJ_TREE:
|
||||
case OBJ_BLOB:
|
||||
case OBJ_TAG:
|
||||
strcpy(type, typename(kind));
|
||||
*sizep = size;
|
||||
retval = unpack_compressed_entry(p, &w_curs, curpos, size);
|
||||
data = unpack_compressed_entry(p, &w_curs, curpos, *sizep);
|
||||
break;
|
||||
default:
|
||||
die("unknown object type %i in %s", kind, p->pack_name);
|
||||
die("unknown object type %i in %s", *type, p->pack_name);
|
||||
}
|
||||
unuse_pack(&w_curs);
|
||||
return retval;
|
||||
return data;
|
||||
}
|
||||
|
||||
int num_packed_objects(const struct packed_git *p)
|
||||
|
@ -1444,10 +1435,10 @@ struct packed_git *find_sha1_pack(const unsigned char *sha1,
|
|||
return p;
|
||||
}
|
||||
return NULL;
|
||||
|
||||
|
||||
}
|
||||
|
||||
static int sha1_loose_object_info(const unsigned char *sha1, char *type, unsigned long *sizep)
|
||||
static int sha1_loose_object_info(const unsigned char *sha1, unsigned long *sizep)
|
||||
{
|
||||
int status;
|
||||
unsigned long mapsize, size;
|
||||
|
@ -1461,31 +1452,29 @@ static int sha1_loose_object_info(const unsigned char *sha1, char *type, unsigne
|
|||
if (unpack_sha1_header(&stream, map, mapsize, hdr, sizeof(hdr)) < 0)
|
||||
status = error("unable to unpack %s header",
|
||||
sha1_to_hex(sha1));
|
||||
else if (parse_sha1_header(hdr, type, &size) < 0)
|
||||
else if ((status = parse_sha1_header(hdr, &size)) < 0)
|
||||
status = error("unable to parse %s header", sha1_to_hex(sha1));
|
||||
else {
|
||||
status = 0;
|
||||
if (sizep)
|
||||
*sizep = size;
|
||||
}
|
||||
else if (sizep)
|
||||
*sizep = size;
|
||||
inflateEnd(&stream);
|
||||
munmap(map, mapsize);
|
||||
return status;
|
||||
}
|
||||
|
||||
int sha1_object_info(const unsigned char *sha1, char *type, unsigned long *sizep)
|
||||
int sha1_object_info(const unsigned char *sha1, unsigned long *sizep)
|
||||
{
|
||||
struct pack_entry e;
|
||||
|
||||
if (!find_pack_entry(sha1, &e, NULL)) {
|
||||
reprepare_packed_git();
|
||||
if (!find_pack_entry(sha1, &e, NULL))
|
||||
return sha1_loose_object_info(sha1, type, sizep);
|
||||
return sha1_loose_object_info(sha1, sizep);
|
||||
}
|
||||
return packed_object_info(e.p, e.offset, type, sizep);
|
||||
return packed_object_info(e.p, e.offset, sizep);
|
||||
}
|
||||
|
||||
static void *read_packed_sha1(const unsigned char *sha1, char *type, unsigned long *size)
|
||||
static void *read_packed_sha1(const unsigned char *sha1,
|
||||
enum object_type *type, unsigned long *size)
|
||||
{
|
||||
struct pack_entry e;
|
||||
|
||||
|
@ -1503,7 +1492,7 @@ static void *read_packed_sha1(const unsigned char *sha1, char *type, unsigned lo
|
|||
*/
|
||||
static struct cached_object {
|
||||
unsigned char sha1[20];
|
||||
const char *type;
|
||||
enum object_type type;
|
||||
void *buf;
|
||||
unsigned long size;
|
||||
} *cached_objects;
|
||||
|
@ -1521,11 +1510,12 @@ static struct cached_object *find_cached_object(const unsigned char *sha1)
|
|||
return NULL;
|
||||
}
|
||||
|
||||
int pretend_sha1_file(void *buf, unsigned long len, const char *type, unsigned char *sha1)
|
||||
int pretend_sha1_file(void *buf, unsigned long len, enum object_type type,
|
||||
unsigned char *sha1)
|
||||
{
|
||||
struct cached_object *co;
|
||||
|
||||
hash_sha1_file(buf, len, type, sha1);
|
||||
hash_sha1_file(buf, len, typename(type), sha1);
|
||||
if (has_sha1_file(sha1) || find_cached_object(sha1))
|
||||
return 0;
|
||||
if (cached_object_alloc <= cached_object_nr) {
|
||||
|
@ -1536,14 +1526,15 @@ int pretend_sha1_file(void *buf, unsigned long len, const char *type, unsigned c
|
|||
}
|
||||
co = &cached_objects[cached_object_nr++];
|
||||
co->size = len;
|
||||
co->type = strdup(type);
|
||||
co->type = type;
|
||||
co->buf = xmalloc(len);
|
||||
memcpy(co->buf, buf, len);
|
||||
hashcpy(co->sha1, sha1);
|
||||
return 0;
|
||||
}
|
||||
|
||||
void *read_sha1_file(const unsigned char *sha1, char *type, unsigned long *size)
|
||||
void *read_sha1_file(const unsigned char *sha1, enum object_type *type,
|
||||
unsigned long *size)
|
||||
{
|
||||
unsigned long mapsize;
|
||||
void *map, *buf;
|
||||
|
@ -1554,7 +1545,7 @@ void *read_sha1_file(const unsigned char *sha1, char *type, unsigned long *size)
|
|||
buf = xmalloc(co->size + 1);
|
||||
memcpy(buf, co->buf, co->size);
|
||||
((char*)buf)[co->size] = 0;
|
||||
strcpy(type, co->type);
|
||||
*type = co->type;
|
||||
*size = co->size;
|
||||
return buf;
|
||||
}
|
||||
|
@ -1573,33 +1564,34 @@ void *read_sha1_file(const unsigned char *sha1, char *type, unsigned long *size)
|
|||
}
|
||||
|
||||
void *read_object_with_reference(const unsigned char *sha1,
|
||||
const char *required_type,
|
||||
const char *required_type_name,
|
||||
unsigned long *size,
|
||||
unsigned char *actual_sha1_return)
|
||||
{
|
||||
char type[20];
|
||||
enum object_type type, required_type;
|
||||
void *buffer;
|
||||
unsigned long isize;
|
||||
unsigned char actual_sha1[20];
|
||||
|
||||
required_type = type_from_string(required_type_name);
|
||||
hashcpy(actual_sha1, sha1);
|
||||
while (1) {
|
||||
int ref_length = -1;
|
||||
const char *ref_type = NULL;
|
||||
|
||||
buffer = read_sha1_file(actual_sha1, type, &isize);
|
||||
buffer = read_sha1_file(actual_sha1, &type, &isize);
|
||||
if (!buffer)
|
||||
return NULL;
|
||||
if (!strcmp(type, required_type)) {
|
||||
if (type == required_type) {
|
||||
*size = isize;
|
||||
if (actual_sha1_return)
|
||||
hashcpy(actual_sha1_return, actual_sha1);
|
||||
return buffer;
|
||||
}
|
||||
/* Handle references */
|
||||
else if (!strcmp(type, commit_type))
|
||||
else if (type == OBJ_COMMIT)
|
||||
ref_type = "tree ";
|
||||
else if (!strcmp(type, tag_type))
|
||||
else if (type == OBJ_TAG)
|
||||
ref_type = "object ";
|
||||
else {
|
||||
free(buffer);
|
||||
|
@ -1841,17 +1833,17 @@ static void *repack_object(const unsigned char *sha1, unsigned long *objsize)
|
|||
z_stream stream;
|
||||
unsigned char *unpacked;
|
||||
unsigned long len;
|
||||
char type[20];
|
||||
enum object_type type;
|
||||
char hdr[32];
|
||||
int hdrlen;
|
||||
void *buf;
|
||||
|
||||
/* need to unpack and recompress it by itself */
|
||||
unpacked = read_packed_sha1(sha1, type, &len);
|
||||
unpacked = read_packed_sha1(sha1, &type, &len);
|
||||
if (!unpacked)
|
||||
error("cannot read sha1_file for %s", sha1_to_hex(sha1));
|
||||
|
||||
hdrlen = sprintf(hdr, "%s %lu", type, len) + 1;
|
||||
hdrlen = sprintf(hdr, "%s %lu", typename(type), len) + 1;
|
||||
|
||||
/* Set it up */
|
||||
memset(&stream, 0, sizeof(stream));
|
||||
|
|
6
tag.c
6
tag.c
|
@ -85,18 +85,18 @@ int parse_tag_buffer(struct tag *item, void *data, unsigned long size)
|
|||
|
||||
int parse_tag(struct tag *item)
|
||||
{
|
||||
char type[20];
|
||||
enum object_type type;
|
||||
void *data;
|
||||
unsigned long size;
|
||||
int ret;
|
||||
|
||||
if (item->object.parsed)
|
||||
return 0;
|
||||
data = read_sha1_file(item->object.sha1, type, &size);
|
||||
data = read_sha1_file(item->object.sha1, &type, &size);
|
||||
if (!data)
|
||||
return error("Could not read %s",
|
||||
sha1_to_hex(item->object.sha1));
|
||||
if (strcmp(type, tag_type)) {
|
||||
if (type != OBJ_TAG) {
|
||||
free(data);
|
||||
return error("Object %s not a tag",
|
||||
sha1_to_hex(item->object.sha1));
|
||||
|
|
|
@ -139,13 +139,13 @@ static void show_entry(struct diff_options *opt, const char *prefix, struct tree
|
|||
const unsigned char *sha1 = tree_entry_extract(desc, &path, &mode);
|
||||
|
||||
if (opt->recursive && S_ISDIR(mode)) {
|
||||
char type[20];
|
||||
enum object_type type;
|
||||
char *newbase = malloc_base(base, path, strlen(path));
|
||||
struct tree_desc inner;
|
||||
void *tree;
|
||||
|
||||
tree = read_sha1_file(sha1, type, &inner.size);
|
||||
if (!tree || strcmp(type, tree_type))
|
||||
tree = read_sha1_file(sha1, &type, &inner.size);
|
||||
if (!tree || type != OBJ_TREE)
|
||||
die("corrupt tree sha %s", sha1_to_hex(sha1));
|
||||
|
||||
inner.buf = tree;
|
||||
|
|
6
tree.c
6
tree.c
|
@ -190,17 +190,17 @@ int parse_tree_buffer(struct tree *item, void *buffer, unsigned long size)
|
|||
|
||||
int parse_tree(struct tree *item)
|
||||
{
|
||||
char type[20];
|
||||
enum object_type type;
|
||||
void *buffer;
|
||||
unsigned long size;
|
||||
|
||||
if (item->object.parsed)
|
||||
return 0;
|
||||
buffer = read_sha1_file(item->object.sha1, type, &size);
|
||||
buffer = read_sha1_file(item->object.sha1, &type, &size);
|
||||
if (!buffer)
|
||||
return error("Could not read %s",
|
||||
sha1_to_hex(item->object.sha1));
|
||||
if (strcmp(type, tree_type)) {
|
||||
if (type != OBJ_TREE) {
|
||||
free(buffer);
|
||||
return error("Object %s not a tree",
|
||||
sha1_to_hex(item->object.sha1));
|
||||
|
|
|
@ -5,12 +5,12 @@ static char *create_temp_file(unsigned char *sha1)
|
|||
{
|
||||
static char path[50];
|
||||
void *buf;
|
||||
char type[100];
|
||||
enum object_type type;
|
||||
unsigned long size;
|
||||
int fd;
|
||||
|
||||
buf = read_sha1_file(sha1, type, &size);
|
||||
if (!buf || strcmp(type, blob_type))
|
||||
buf = read_sha1_file(sha1, &type, &size);
|
||||
if (!buf || type != OBJ_BLOB)
|
||||
die("unable to read blob object %s", sha1_to_hex(sha1));
|
||||
|
||||
strcpy(path, ".merge_file_XXXXXX");
|
||||
|
|
Loading…
Reference in a new issue