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mailinfo: move content/content_top to struct mailinfo

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Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Junio C Hamano 2015-10-14 17:43:54 -07:00
parent d895bf0f57
commit 8e919277e0
1 changed files with 26 additions and 20 deletions
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46
builtin/mailinfo.c
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@ -7,6 +7,8 @@
#include "utf8.h" #include "utf8.h"
#include "strbuf.h" #include "strbuf.h"
#define MAX_BOUNDARIES 5
struct mailinfo { struct mailinfo {
FILE *input; FILE *input;
FILE *output; FILE *output;
@ -22,6 +24,8 @@ struct mailinfo {
int use_inbody_headers; int use_inbody_headers;
const char *metainfo_charset; const char *metainfo_charset;
struct strbuf *content[MAX_BOUNDARIES];
struct strbuf **content_top;
struct strbuf charset; struct strbuf charset;
char *message_id; char *message_id;
enum { enum {
@ -34,8 +38,6 @@ struct mailinfo {
struct strbuf **s_hdr_data; struct strbuf **s_hdr_data;
}; };
#define MAX_BOUNDARIES 5
static void cleanup_space(struct strbuf *sb) static void cleanup_space(struct strbuf *sb)
{ {
size_t pos, cnt; size_t pos, cnt;
@ -188,10 +190,6 @@ static int slurp_attr(const char *line, const char *name, struct strbuf *attr)
return 1; return 1;
} }
static struct strbuf *content[MAX_BOUNDARIES];
static struct strbuf **content_top = content;
static void handle_content_type(struct mailinfo *mi, struct strbuf *line) static void handle_content_type(struct mailinfo *mi, struct strbuf *line)
{ {
struct strbuf *boundary = xmalloc(sizeof(struct strbuf)); struct strbuf *boundary = xmalloc(sizeof(struct strbuf));
@ -199,11 +197,11 @@ static void handle_content_type(struct mailinfo *mi, struct strbuf *line)
if (slurp_attr(line->buf, "boundary=", boundary)) { if (slurp_attr(line->buf, "boundary=", boundary)) {
strbuf_insert(boundary, 0, "--", 2); strbuf_insert(boundary, 0, "--", 2);
if (++content_top >= &content[MAX_BOUNDARIES]) { if (++mi->content_top >= &mi->content[MAX_BOUNDARIES]) {
fprintf(stderr, "Too many boundaries to handle\n"); fprintf(stderr, "Too many boundaries to handle\n");
exit(1); exit(1);
} }
*content_top = boundary; *(mi->content_top) = boundary;
boundary = NULL; boundary = NULL;
} }
slurp_attr(line->buf, "charset=", &mi->charset); slurp_attr(line->buf, "charset=", &mi->charset);
@ -231,10 +229,12 @@ static void handle_content_transfer_encoding(struct mailinfo *mi,
mi->transfer_encoding = TE_DONTCARE; mi->transfer_encoding = TE_DONTCARE;
} }
static int is_multipart_boundary(const struct strbuf *line) static int is_multipart_boundary(struct mailinfo *mi, const struct strbuf *line)
{ {
return (((*content_top)->len <= line->len) && struct strbuf *content_top = *(mi->content_top);
!memcmp(line->buf, (*content_top)->buf, (*content_top)->len));
return ((content_top->len <= line->len) &&
!memcmp(line->buf, content_top->buf, content_top->len));
} }
static void cleanup_subject(struct mailinfo *mi, struct strbuf *subject) static void cleanup_subject(struct mailinfo *mi, struct strbuf *subject)
@ -797,7 +797,7 @@ static int read_one_header_line(struct strbuf *line, FILE *in)
static int find_boundary(struct mailinfo *mi, struct strbuf *line) static int find_boundary(struct mailinfo *mi, struct strbuf *line)
{ {
while (!strbuf_getline(line, mi->input, '\n')) { while (!strbuf_getline(line, mi->input, '\n')) {
if (*content_top && is_multipart_boundary(line)) if (*(mi->content_top) && is_multipart_boundary(mi, line))
return 1; return 1;
} }
return 0; return 0;
@ -809,18 +809,18 @@ static int handle_boundary(struct mailinfo *mi, struct strbuf *line)
strbuf_addch(&newline, '\n'); strbuf_addch(&newline, '\n');
again: again:
if (line->len >= (*content_top)->len + 2 && if (line->len >= (*(mi->content_top))->len + 2 &&
!memcmp(line->buf + (*content_top)->len, "--", 2)) { !memcmp(line->buf + (*(mi->content_top))->len, "--", 2)) {
/* we hit an end boundary */ /* we hit an end boundary */
/* pop the current boundary off the stack */ /* pop the current boundary off the stack */
strbuf_release(*content_top); strbuf_release(*(mi->content_top));
free(*content_top); free(*(mi->content_top));
*content_top = NULL; *(mi->content_top) = NULL;
/* technically won't happen as is_multipart_boundary() /* technically won't happen as is_multipart_boundary()
will fail first. But just in case.. will fail first. But just in case..
*/ */
if (--content_top < content) { if (--mi->content_top < mi->content) {
fprintf(stderr, "Detected mismatched boundaries, " fprintf(stderr, "Detected mismatched boundaries, "
"can't recover\n"); "can't recover\n");
exit(1); exit(1);
@ -855,14 +855,14 @@ static void handle_body(struct mailinfo *mi, struct strbuf *line)
struct strbuf prev = STRBUF_INIT; struct strbuf prev = STRBUF_INIT;
/* Skip up to the first boundary */ /* Skip up to the first boundary */
if (*content_top) { if (*(mi->content_top)) {
if (!find_boundary(mi, line)) if (!find_boundary(mi, line))
goto handle_body_out; goto handle_body_out;
} }
do { do {
/* process any boundary lines */ /* process any boundary lines */
if (*content_top && is_multipart_boundary(line)) { if (*(mi->content_top) && is_multipart_boundary(mi, line)) {
/* flush any leftover */ /* flush any leftover */
if (prev.len) { if (prev.len) {
handle_filter(mi, &prev); handle_filter(mi, &prev);
@ -1026,6 +1026,7 @@ static void setup_mailinfo(struct mailinfo *mi)
strbuf_init(&mi->charset, 0); strbuf_init(&mi->charset, 0);
mi->header_stage = 1; mi->header_stage = 1;
mi->use_inbody_headers = 1; mi->use_inbody_headers = 1;
mi->content_top = mi->content;
git_config(git_mailinfo_config, &mi); git_config(git_mailinfo_config, &mi);
} }
@ -1044,6 +1045,11 @@ static void clear_mailinfo(struct mailinfo *mi)
for (i = 0; mi->s_hdr_data[i]; i++) for (i = 0; mi->s_hdr_data[i]; i++)
strbuf_release(mi->s_hdr_data[i]); strbuf_release(mi->s_hdr_data[i]);
free(mi->s_hdr_data); free(mi->s_hdr_data);
while (mi->content < mi->content_top) {
free(*(mi->content_top));
mi->content_top--;
}
} }
static const char mailinfo_usage[] = static const char mailinfo_usage[] =