s3:utils:log2pcaphex: fix O3 error unused result of fgets

Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Christian Ambach <ambi@samba.org>

diff --git a/source3/utils/log2pcaphex.c b/source3/utils/log2pcaphex.c
index 23526c2bc01cc1c911b32500763dcfb08c23055e..2d68db6fac95e399591005d6efbcf033301faa1f 100644 (file)
--- a/source3/utils/log2pcaphex.c
+++ b/source3/utils/log2pcaphex.c
@@ -350,7 +350,13 @@ int main(int argc, const char **argv)
        if(!hexformat)print_pcap_header(out);
 
        while(!feof(in)) {
-               fgets(buffer, sizeof(buffer), in); line_num++;
+               char *p;
+               p = fgets(buffer, sizeof(buffer), in);
+               if (p == NULL) {
+                       fprintf(stderr, "error reading from input file\n");
+                       break;
+               }
+               line_num++;
                if(buffer[0] == '[') { /* Header */
                        if(strstr(buffer, "show_msg")) {
                                in_packet++;