fpurge: Make it work with non fd based FILEs

Streams opened with for example open_memstream(3) will have no associated
file descriptor, and fileno(3) will fail.

Signed-off-by: Guillem Jover <guillem@hadrons.org>

diff --git a/src/fpurge.c b/src/fpurge.c
index 462535ab506d6f72785986ee053e8606421c0ecc..350f364c0fc8e4ca214f8431753f60434ba06954 100644 (file)
--- a/src/fpurge.c
+++ b/src/fpurge.c
@@ -32,7 +32,7 @@
 int
 fpurge(FILE *fp)
 {
-       if (fp == NULL || fileno(fp) < 0) {
+       if (fp == NULL) {
                errno = EBADF;
                return EOF;
        }