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| author | Nikos Mavrogiannopoulos <nmav@gnutls.org> | 2011-08-01 18:59:04 +0200 |
|---|---|---|
| committer | Nikos Mavrogiannopoulos <nmav@gnutls.org> | 2011-08-01 18:59:04 +0200 |
| commit | 1b7ea889e87388008001efb8b0b38180da276a94 (patch) | |
| tree | 4e8cea4e063846b078dc5f9b0953f61ce0bd6fbb | |
| parent | 89a1f28d397d1bcccb8a0f4a2fdf9cfebecb983e (diff) | |
| download | gnutls-1b7ea889e87388008001efb8b0b38180da276a94.tar.gz | |
check the output of fgets.
| -rw-r--r-- | src/p11common.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/p11common.c b/src/p11common.c index 1ef7c9c538..579d489c44 100644 --- a/src/p11common.c +++ b/src/p11common.c @@ -102,6 +102,7 @@ static int token_callback (void *user, const char *label, const unsigned retry) { char buf[32]; + char *p; if (retry > 0) { @@ -109,7 +110,8 @@ token_callback (void *user, const char *label, const unsigned retry) return -1; } printf ("Please insert token '%s' in slot and press enter\n", label); - fgets (buf, sizeof (buf), stdin); + p = fgets (buf, sizeof (buf), stdin); + if (p==NULL) return -1; return 0; } |