diff options
| -rw-r--r-- | vhook/ppm.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/vhook/ppm.c b/vhook/ppm.c index 0e37ac412e..86fad1dc59 100644 --- a/vhook/ppm.c +++ b/vhook/ppm.c @@ -56,8 +56,11 @@ static rwpipe *rwpipe_open( int argc, char *argv[] ) int input[ 2 ]; int output[ 2 ]; - pipe( input ); - pipe( output ); + if (!pipe( input )) + return NULL; + + if (!pipe( output )) + return NULL; this->pid = fork(); @@ -160,7 +163,9 @@ static int rwpipe_read_ppm_header( rwpipe *rw, int *width, int *height ) FILE *in = rwpipe_reader( rw ); int max; - fgets( line, 3, in ); + if (!fgets( line, 3, in )) + return -1; + if ( !strncmp( line, "P6", 2 ) ) { *width = rwpipe_read_number( rw ); |