Check that fdopen() succeeds

1 files changed, 4 insertions, 0 deletions

diff --git a/src/wl-copy.c b/src/wl-copy.c
index 158b2f9..24c6918 100644
--- a/src/wl-copy.c
+++ b/src/wl-copy.c
@@ -28,6 +28,10 @@ void do_send(const char *mime_type, int fd) {
     if (data_to_copy != NULL) {
         // copy the specified data, separated by spaces
         FILE *f = fdopen(fd, "w");
+        if (f == NULL) {
+            perror("fdopen");
+            exit(1);
+        }
         char * const *dataptr = data_to_copy;
         for (int is_first = 1; *dataptr != NULL; dataptr++, is_first = 0) {
             if (!is_first) {