return;
}
- snprintf(tmpfile, sizeof(tmpfile), "%s.tmp", filename);
+ int len = snprintf(tmpfile, sizeof(tmpfile), "%s.tmp", filename);
- w = fopen(tmpfile, "w");
+ if(len < 0 || len >= PATH_MAX) {
+ fprintf(stderr, "Pathname too long: %s.tmp\n", filename);
+ w = NULL;
+ } else {
+ w = fopen(tmpfile, "w");
+ }
while(fgets(buf, sizeof(buf), r)) {
if(!strncmp(buf, "-----BEGIN RSA", 14)) {