Add explicit boundary to loop in readrune()

You never know what could happen. Better have a "blind" read than a segmentation fault.
2015-02-01 04:20:02 +01:00 · 2015-02-01 04:20:02 +01:00 · 22f40b5a03
commit 22f40b5a03
parent 986a9de51a
1 changed files with 1 additions and 1 deletions
--- a/libutf/readrune.c
+++ b/libutf/readrune.c
@ -27,7 +27,7 @@ readrune(const char *file, FILE *fp, Rune *r)
 	}

 	buf[0] = c;
-	for (i = 1; ;) {
+	for (i = 1; i < UTFmax; ) {
 		if ((c = fgetc(fp)) == EOF) {
 			if (ferror(fp)) {
 				fprintf(stderr, "%s: read error: %s\n",