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![Gary V. Vaughan](/assets/img/avatar_default.png)
Unfortunately, there are still plenty of production systems with vendor compilers that choke unless all compound declarations can be determined statically at compile time, for example hpux10.20 (I can provide a comprehensive list of our supported platforms that exhibit this problem if necessary). This patch simply breaks apart any compound declarations with dynamic initialisation expressions, and moves the initialisation until after the last declaration in the same block, in all the places necessary to have the offending compilers accept the code. Signed-off-by: Gary V. Vaughan <gary@thewrittenword.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
261 lines
5.7 KiB
C
261 lines
5.7 KiB
C
/*
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* GIT - The information manager from hell
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*
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* Copyright (C) Linus Torvalds, 2005
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*/
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#include "cache.h"
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#include "exec_cmd.h"
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#include "tag.h"
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#include "tree.h"
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#include "builtin.h"
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#include "parse-options.h"
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#define BATCH 1
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#define BATCH_CHECK 2
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static void pprint_tag(const unsigned char *sha1, const char *buf, unsigned long size)
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{
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/* the parser in tag.c is useless here. */
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const char *endp = buf + size;
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const char *cp = buf;
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while (cp < endp) {
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char c = *cp++;
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if (c != '\n')
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continue;
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if (7 <= endp - cp && !memcmp("tagger ", cp, 7)) {
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const char *tagger = cp;
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/* Found the tagger line. Copy out the contents
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* of the buffer so far.
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*/
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write_or_die(1, buf, cp - buf);
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/*
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* Do something intelligent, like pretty-printing
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* the date.
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*/
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while (cp < endp) {
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if (*cp++ == '\n') {
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/* tagger to cp is a line
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* that has ident and time.
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*/
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const char *sp = tagger;
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char *ep;
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unsigned long date;
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long tz;
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while (sp < cp && *sp != '>')
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sp++;
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if (sp == cp) {
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/* give up */
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write_or_die(1, tagger,
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cp - tagger);
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break;
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}
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while (sp < cp &&
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!('0' <= *sp && *sp <= '9'))
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sp++;
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write_or_die(1, tagger, sp - tagger);
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date = strtoul(sp, &ep, 10);
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tz = strtol(ep, NULL, 10);
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sp = show_date(date, tz, 0);
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write_or_die(1, sp, strlen(sp));
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xwrite(1, "\n", 1);
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break;
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}
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}
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break;
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}
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if (cp < endp && *cp == '\n')
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/* end of header */
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break;
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}
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/* At this point, we have copied out the header up to the end of
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* the tagger line and cp points at one past \n. It could be the
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* next header line after the tagger line, or it could be another
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* \n that marks the end of the headers. We need to copy out the
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* remainder as is.
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*/
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if (cp < endp)
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write_or_die(1, cp, endp - cp);
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}
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static int cat_one_file(int opt, const char *exp_type, const char *obj_name)
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{
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unsigned char sha1[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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if (get_sha1(obj_name, sha1))
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die("Not a valid object name %s", obj_name);
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buf = NULL;
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switch (opt) {
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case 't':
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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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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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break;
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case 'e':
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return !has_sha1_file(sha1);
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case 'p':
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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", obj_name);
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/* custom pretty-print here */
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if (type == OBJ_TREE) {
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const char *ls_args[3] = { NULL };
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ls_args[0] = "ls-tree";
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ls_args[1] = obj_name;
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return cmd_ls_tree(2, ls_args, NULL);
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}
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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", obj_name);
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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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/* otherwise just spit out the data */
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break;
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case 0:
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buf = read_object_with_reference(sha1, exp_type, &size, NULL);
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break;
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default:
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die("git cat-file: unknown option: %s", exp_type);
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}
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if (!buf)
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die("git cat-file %s: bad file", obj_name);
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write_or_die(1, buf, size);
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return 0;
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}
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static int batch_one_object(const char *obj_name, int print_contents)
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{
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unsigned char sha1[20];
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enum object_type type = 0;
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unsigned long size;
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void *contents = contents;
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if (!obj_name)
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return 1;
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if (get_sha1(obj_name, sha1)) {
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printf("%s missing\n", obj_name);
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fflush(stdout);
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return 0;
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}
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if (print_contents == BATCH)
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contents = read_sha1_file(sha1, &type, &size);
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else
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type = sha1_object_info(sha1, &size);
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if (type <= 0) {
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printf("%s missing\n", obj_name);
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fflush(stdout);
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return 0;
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}
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printf("%s %s %lu\n", sha1_to_hex(sha1), typename(type), size);
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fflush(stdout);
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if (print_contents == BATCH) {
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write_or_die(1, contents, size);
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printf("\n");
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fflush(stdout);
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free(contents);
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}
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return 0;
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}
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static int batch_objects(int print_contents)
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{
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struct strbuf buf = STRBUF_INIT;
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while (strbuf_getline(&buf, stdin, '\n') != EOF) {
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int error = batch_one_object(buf.buf, print_contents);
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if (error)
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return error;
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}
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return 0;
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}
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static const char * const cat_file_usage[] = {
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"git cat-file (-t|-s|-e|-p|<type>) <object>",
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"git cat-file (--batch|--batch-check) < <list_of_objects>",
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NULL
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};
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int cmd_cat_file(int argc, const char **argv, const char *prefix)
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{
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int opt = 0, batch = 0;
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const char *exp_type = NULL, *obj_name = NULL;
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const struct option options[] = {
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OPT_GROUP("<type> can be one of: blob, tree, commit, tag"),
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OPT_SET_INT('t', NULL, &opt, "show object type", 't'),
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OPT_SET_INT('s', NULL, &opt, "show object size", 's'),
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OPT_SET_INT('e', NULL, &opt,
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"exit with zero when there's no error", 'e'),
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OPT_SET_INT('p', NULL, &opt, "pretty-print object's content", 'p'),
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OPT_SET_INT(0, "batch", &batch,
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"show info and content of objects fed from the standard input",
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BATCH),
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OPT_SET_INT(0, "batch-check", &batch,
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"show info about objects fed from the standard input",
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BATCH_CHECK),
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OPT_END()
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};
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git_config(git_default_config, NULL);
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if (argc != 3 && argc != 2)
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usage_with_options(cat_file_usage, options);
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argc = parse_options(argc, argv, prefix, options, cat_file_usage, 0);
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if (opt) {
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if (argc == 1)
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obj_name = argv[0];
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else
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usage_with_options(cat_file_usage, options);
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}
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if (!opt && !batch) {
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if (argc == 2) {
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exp_type = argv[0];
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obj_name = argv[1];
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} else
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usage_with_options(cat_file_usage, options);
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}
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if (batch && (opt || argc)) {
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usage_with_options(cat_file_usage, options);
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}
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if (batch)
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return batch_objects(batch);
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return cat_one_file(opt, exp_type, obj_name);
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}
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