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Add mksnpath which allows you to specify the output buffer

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This is just vsnprintf's but additionally calls cleanup_path() on the
result. To be used as alternatives to mkpath() where the buffer for the
created path may not be reused by subsequent calls of the same formatting
function.

Signed-off-by: Alex Riesen <raa.lkml@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Alex Riesen 2008-10-26 22:59:13 +01:00 committed by Junio C Hamano
parent 9fe7a643fc
commit 108bebeab3
2 changed files with 18 additions and 0 deletions
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3
cache.h
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@ -480,6 +480,9 @@ extern int check_repository_format(void);
#define DATA_CHANGED 0x0020
#define TYPE_CHANGED 0x0040
extern char *mksnpath(char *buf, size_t n, const char *fmt, ...)
__attribute__((format (printf, 3, 4)));
/* Return a statically allocated filename matching the sha1 signature */
extern char *mkpath(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
extern char *git_path(const char *fmt, ...) __attribute__((format (printf, 1, 2)));

15
path.c
View File

@ -32,6 +32,21 @@ static char *cleanup_path(char *path)
return path;
}
char *mksnpath(char *buf, size_t n, const char *fmt, ...)
{
va_list args;
unsigned len;
va_start(args, fmt);
len = vsnprintf(buf, n, fmt, args);
va_end(args);
if (len >= n) {
snprintf(buf, n, bad_path);
return buf;
}
return cleanup_path(buf);
}
char *mkpath(const char *fmt, ...)
{
va_list args;