X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fstdio%2F__fdopen.c;h=59690f6dcb97d3153df9541ccf15421759ba1f6b;hb=5afc74fbaa2371f30df0dc9fb7bc3afe6bd96137;hp=07f966a5a6556641946962082c3cab0042522f9a;hpb=dba68bf98fc708cea4c478278c889fc7ad802b00;p=musl

diff --git a/src/stdio/__fdopen.c b/src/stdio/__fdopen.c
index 07f966a5..59690f6d 100644
--- a/src/stdio/__fdopen.c
+++ b/src/stdio/__fdopen.c
@@ -1,13 +1,21 @@
 #include "stdio_impl.h"
+#include <stdlib.h>
+#include <termios.h>
+#include <sys/ioctl.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <string.h>
 
 FILE *__fdopen(int fd, const char *mode)
 {
 	FILE *f;
 	struct termios tio;
-	int plus = !!strchr(mode, '+');
 
 	/* Check for valid initial mode character */
-	if (!strchr("rwa", *mode)) return 0;
+	if (!strchr("rwa", *mode)) {
+		errno = EINVAL;
+		return 0;
+	}
 
 	/* Allocate FILE+buffer or fail */
 	if (!(f=malloc(sizeof *f + UNGET + BUFSIZ))) return 0;
@@ -16,7 +24,10 @@ FILE *__fdopen(int fd, const char *mode)
 	memset(f, 0, sizeof *f);
 
 	/* Impose mode restrictions */
-	if (!plus) f->flags = (*mode == 'r') ? F_NOWR : F_NORD;
+	if (!strchr(mode, '+')) f->flags = (*mode == 'r') ? F_NOWR : F_NORD;
+
+	/* Apply close-on-exec flag */
+	if (strchr(mode, 'e')) __syscall(SYS_fcntl, fd, F_SETFD, FD_CLOEXEC);
 
 	/* Set append mode on fd if opened for append */
 	if (*mode == 'a') {