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lib/path: allow dir-path formatting 

Signed-off-by: Karel Zak <kzak@redhat.com>
This commit is contained in:
Karel Zak 2018-06-21 13:49:03 +02:00
parent 91d28f5986
commit 83bbeb77c1
2 changed files with 10 additions and 4 deletions
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2
include/path.h
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@ -21,7 +21,7 @@ struct path_cxt {
int (*redirect_on_enoent)(struct path_cxt *, const char *, int *);
};
struct path_cxt *ul_new_path(const char *dir);
struct path_cxt *ul_new_path(const char *dir, ...);
void ul_unref_path(struct path_cxt *pc);
void ul_ref_path(struct path_cxt *pc);

12
lib/path.c
View File

@ -48,7 +48,7 @@ void ul_path_init_debug(void)
__UL_INIT_DEBUG_FROM_ENV(ulpath, ULPATH_DEBUG_, 0, ULPATH_DEBUG);
}
struct path_cxt *ul_new_path(const char *dir)
struct path_cxt *ul_new_path(const char *dir, ...)
{
struct path_cxt *pc = calloc(1, sizeof(*pc));
@ -61,8 +61,14 @@ struct path_cxt *ul_new_path(const char *dir)
pc->dir_fd = -1;
if (dir) {
pc->dir_path = strdup(dir);
if (!pc->dir_path)
int rc;
va_list ap;
va_start(ap, dir);
rc = vasprintf(&pc->dir_path, dir, ap);
va_end(ap);
if (rc < 0 || !pc->dir_path)
goto fail;
}
return pc;