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Introduce new function real_path_if_valid() 

The function is like real_path(), except that it returns NULL on error
instead of dying.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Jeff King <peff@peff.net>
maint
Michael Haggerty 2012-10-28 17:16:22 +01:00 committed by Jeff King
parent d6052abca3
commit e3e46cdbd4
2 changed files with 6 additions and 0 deletions
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5
abspath.c
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@ -153,6 +153,11 @@ const char *real_path(const char *path)
return real_path_internal(path, 1); return real_path_internal(path, 1);
} }


const char *real_path_if_valid(const char *path)
{
return real_path_internal(path, 0);
}

static const char *get_pwd_cwd(void) static const char *get_pwd_cwd(void)
{ {
static char cwd[PATH_MAX + 1]; static char cwd[PATH_MAX + 1];

1
cache.h
View File

@ -714,6 +714,7 @@ static inline int is_absolute_path(const char *path)
} }
int is_directory(const char *); int is_directory(const char *);
const char *real_path(const char *path); const char *real_path(const char *path);
const char *real_path_if_valid(const char *path);
const char *absolute_path(const char *path); const char *absolute_path(const char *path);
const char *relative_path(const char *abs, const char *base); const char *relative_path(const char *abs, const char *base);
int normalize_path_copy(char *dst, const char *src); int normalize_path_copy(char *dst, const char *src);