diff options
Diffstat (limited to 'lib/libcfg/rdline.c')
-rw-r--r-- | lib/libcfg/rdline.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/lib/libcfg/rdline.c b/lib/libcfg/rdline.c index ab7b101..ee9ee8b 100644 --- a/lib/libcfg/rdline.c +++ b/lib/libcfg/rdline.c @@ -5,6 +5,7 @@ #include <errno.h> #include <ctype.h> #include <stdio.h> +#include <fcntl.h> #include "libcfg.h" #include "util.h" @@ -12,18 +13,26 @@ int rdline_init(rdline_t *t, int dirfd, const char *filename, int argc, const char *const *argv) { + int fd = openat(dirfd, filename, O_RDONLY); + + if (fd == -1) + goto fail_open; + memset(t, 0, sizeof(*t)); - t->fp = fopenat(dirfd, filename, "r"); + t->fp = fdopen(fd, "r"); if (t->fp == NULL) { - perror(filename); - return -1; + close(fd); + goto fail_open; } t->filename = filename; t->argc = argc; t->argv = argv; return 0; +fail_open: + perror(filename); + return -1; } void rdline_cleanup(rdline_t *t) |