asn1: Allow comments and leading ws in opt files

2022-03-17 17:11:35 -05:00
parent f072249d26
commit db0ba731ca
2 changed files with 13 additions and 0 deletions
--- a/lib/asn1/main.c
+++ b/lib/asn1/main.c
@@ -409,8 +409,16 @@ main(int argc, char **argv)
        sz = 2;

 	while (fgets(buf, sizeof(buf), opt) != NULL) {
+            size_t buflen, ws;
+
 	    buf[strcspn(buf, "\n\r")] = '\0';

+            buflen = strlen(buf);
+            if ((ws = strspn(buf, " \t")))
+                memmove(buf, buf + ws, buflen -= ws);
+            if (buf[0] == '\0' || buf[0] == '#')
+                continue;
+
            if (len + 1 >= sz) {
                arg = realloc(arg, (sz + (sz>>1) + 2) * sizeof(arg[0]));
                if (arg == NULL) {