From 83bbeb77c1e64b02ad5f36bde47d22be69d08a0f Mon Sep 17 00:00:00 2001 From: Karel Zak Date: Thu, 21 Jun 2018 13:49:03 +0200 Subject: [PATCH] lib/path: allow dir-path formatting Signed-off-by: Karel Zak --- include/path.h | 2 +- lib/path.c | 12 +++++++++--- 2 files changed, 10 insertions(+), 4 deletions(-) diff --git a/include/path.h b/include/path.h index f372c75027..b36a735f31 100644 --- a/include/path.h +++ b/include/path.h @@ -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); diff --git a/lib/path.c b/lib/path.c index 602674956a..34abb144af 100644 --- a/lib/path.c +++ b/lib/path.c @@ -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; -- 2.47.2