undef/git-commit-vandalism
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Add git_snpath: a .git path formatting routine with output buffer

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The function's purpose is to replace git_path where the buffer of
formatted path may not be reused by subsequent calls of the function
or will be copied anyway.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Alex Riesen 2008-10-27 10:22:21 +01:00 committed by Junio C Hamano
parent 9fa03c177f
commit fe2d7776d5
2 changed files with 25 additions and 0 deletions
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2
cache.h
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@ -482,6 +482,8 @@ extern int check_repository_format(void);
extern char *mksnpath(char *buf, size_t n, const char *fmt, ...) extern char *mksnpath(char *buf, size_t n, const char *fmt, ...)
__attribute__((format (printf, 3, 4))); __attribute__((format (printf, 3, 4)));
extern char *git_snpath(char *buf, size_t n, const char *fmt, ...)
__attribute__((format (printf, 3, 4)));
/* Return a statically allocated filename matching the sha1 signature */ /* Return a statically allocated filename matching the sha1 signature */
extern char *mkpath(const char *fmt, ...) __attribute__((format (printf, 1, 2))); extern char *mkpath(const char *fmt, ...) __attribute__((format (printf, 1, 2)));

23
path.c
View File

@ -47,6 +47,29 @@ char *mksnpath(char *buf, size_t n, const char *fmt, ...)
return cleanup_path(buf); return cleanup_path(buf);
} }
char *git_snpath(char *buf, size_t n, const char *fmt, ...)
{
const char *git_dir = get_git_dir();
va_list args;
size_t len;
len = strlen(git_dir);
if (n < len + 1)
goto bad;
memcpy(buf, git_dir, len);
if (len && !is_dir_sep(git_dir[len-1]))
buf[len++] = '/';
va_start(args, fmt);
len += vsnprintf(buf + len, n - len, fmt, args);
va_end(args);
if (len >= n)
goto bad;
return cleanup_path(buf);
bad:
snprintf(buf, n, bad_path);
return buf;
}
char *mkpath(const char *fmt, ...) char *mkpath(const char *fmt, ...)
{ {
va_list args; va_list args;