X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fstdio%2F__fdopen.c;h=8bd51c66e7efbfa61b2d8875061eced89c46f4ae;hb=7dba0494e8153e4358b09cbf30ff07d5ba4dbf37;hp=b13318e57a8798172f11411a997058ffd6909096;hpb=eb0e8fa0b1960cff4bd65ebefc798f70273b0bc9;p=musl

diff --git a/src/stdio/__fdopen.c b/src/stdio/__fdopen.c
index b13318e5..8bd51c66 100644
--- a/src/stdio/__fdopen.c
+++ b/src/stdio/__fdopen.c
@@ -7,7 +7,10 @@ FILE *__fdopen(int fd, const char *mode)
 	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;
@@ -39,11 +42,13 @@ FILE *__fdopen(int fd, const char *mode)
 	f->seek = __stdio_seek;
 	f->close = __stdio_close;
 
+	if (!libc.threaded) f->lock = -1;
+
 	/* Add new FILE to open file list */
 	OFLLOCK();
-	f->next = ofl_head;
-	if (ofl_head) ofl_head->prev = f;
-	ofl_head = f;
+	f->next = libc.ofl_head;
+	if (libc.ofl_head) libc.ofl_head->prev = f;
+	libc.ofl_head = f;
 	OFLUNLOCK();
 
 	return f;