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path: root/src/process/posix_spawn_file_actions_addopen.c
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Diffstat (limited to 'src/process/posix_spawn_file_actions_addopen.c')
-rw-r--r--src/process/posix_spawn_file_actions_addopen.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/process/posix_spawn_file_actions_addopen.c b/src/process/posix_spawn_file_actions_addopen.c
index 368922c7..82bbcec9 100644
--- a/src/process/posix_spawn_file_actions_addopen.c
+++ b/src/process/posix_spawn_file_actions_addopen.c
@@ -6,6 +6,7 @@
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;