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verify-tag: factor out signature detection 

into tag.h/c for later reuse and modification.

Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Michael J Gruber 2010-11-10 12:17:27 +01:00 committed by Junio C Hamano
parent c8525c302b
commit ac58c4c795
3 changed files with 16 additions and 8 deletions
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10
builtin/verify-tag.c
View File

@ -17,13 +17,11 @@ static const char * const verify_tag_usage[] = {
NULL
};
#define PGP_SIGNATURE "-----BEGIN PGP SIGNATURE-----"
static int run_gpg_verify(const char *buf, unsigned long size, int verbose)
{
struct child_process gpg;
const char *args_gpg[] = {"gpg", "--verify", "FILE", "-", NULL};
char path[PATH_MAX], *eol;
char path[PATH_MAX];
size_t len;
int fd, ret;
@ -37,11 +35,7 @@ static int run_gpg_verify(const char *buf, unsigned long size, int verbose)
close(fd);
/* find the length without signature */
len = 0;
while (len < size && prefixcmp(buf + len, PGP_SIGNATURE)) {
eol = memchr(buf + len, '\n', size - len);
len += eol ? eol - (buf + len) + 1 : size - len;
}
len = parse_signature(buf, size);
if (verbose)
write_in_full(1, buf, len);

13
tag.c
View File

@ -4,6 +4,8 @@
#include "tree.h"
#include "blob.h"
#define PGP_SIGNATURE "-----BEGIN PGP SIGNATURE-----"
const char *tag_type = "tag";
struct object *deref_tag(struct object *o, const char *warn, int warnlen)
@ -133,3 +135,14 @@ int parse_tag(struct tag *item)
free(data);
return ret;
}
size_t parse_signature(const char *buf, unsigned long size)
{
char *eol;
size_t len = 0;
while (len < size && prefixcmp(buf + len, PGP_SIGNATURE)) {
eol = memchr(buf + len, '\n', size - len);
len += eol ? eol - (buf + len) + 1 : size - len;
}
return len;
}

1
tag.h
View File

@ -16,5 +16,6 @@ extern struct tag *lookup_tag(const unsigned char *sha1);
extern int parse_tag_buffer(struct tag *item, void *data, unsigned long size);
extern int parse_tag(struct tag *item);
extern struct object *deref_tag(struct object *, const char *, int);
extern size_t parse_signature(const char *buf, unsigned long size);
#endif /* TAG_H */