X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fstdio%2Fgetdelim.c;h=df114441c72562a8bfd39e6e1fb3f4687d6715e9;hb=37e18b7bf307fa4a8c745feebfcba54a0ba74f30;hp=d2f5b15ab1d7da3d693bcf5d9d4652ec89d4e858;hpb=1f6cbdb434114139081fe65a9bafe775e9ab6c41;p=musl

diff --git a/src/stdio/getdelim.c b/src/stdio/getdelim.c
index d2f5b15a..df114441 100644
--- a/src/stdio/getdelim.c
+++ b/src/stdio/getdelim.c
@@ -55,9 +55,11 @@ ssize_t getdelim(char **restrict s, size_t *restrict n, int delim, FILE *restric
 			*s = tmp;
 			*n = m;
 		}
-		memcpy(*s+i, f->rpos, k);
-		f->rpos += k;
-		i += k;
+		if (k) {
+			memcpy(*s+i, f->rpos, k);
+			f->rpos += k;
+			i += k;
+		}
 		if (z) break;
 		if ((c = getc_unlocked(f)) == EOF) {
 			if (!i || !feof(f)) {