X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fprocess%2Fposix_spawn_file_actions_addopen.c;h=82bbcec9eb42cd5f112d2a6b66d0769b8349f11f;hb=122002f0ddf267977282f05066a0794e31661501;hp=5e2c86d9b12e93da3472be052cce0b1b6bd57a9c;hpb=a0ae0b09368e6dbfa82860187dcd6fdf86d86fee;p=musl

diff --git a/src/process/posix_spawn_file_actions_addopen.c b/src/process/posix_spawn_file_actions_addopen.c
index 5e2c86d9..82bbcec9 100644
--- a/src/process/posix_spawn_file_actions_addopen.c
+++ b/src/process/posix_spawn_file_actions_addopen.c
@@ -4,8 +4,9 @@
 #include <errno.h>
 #include "fdop.h"
 
-int posix_spawn_file_actions_addopen(posix_spawn_file_actions_t *fa, int fd, const char *path, int flags, mode_t mode)
+int posix_spawn_file_actions_addopen(posix_spawn_file_actions_t *restrict fa, int fd, const char *restrict path, int flags, mode_t mode)
 {
+	if (fd < 0) return EBADF;
 	struct fdop *op = malloc(sizeof *op + strlen(path) + 1);
 	if (!op) return ENOMEM;
 	op->cmd = FDOP_OPEN;
@@ -13,7 +14,8 @@ int posix_spawn_file_actions_addopen(posix_spawn_file_actions_t *fa, int fd, con
 	op->oflag = flags;
 	op->mode = mode;
 	strcpy(op->path, path);
-	op->next = fa->__actions;
+	if ((op->next = fa->__actions)) op->next->prev = op;
+	op->prev = 0;
 	fa->__actions = op;
 	return 0;
 }