X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fstdio%2Fgetdelim.c;h=1ccd8029238987f05e183c3bfec186287dff89f0;hb=b6e1fe0d5e78dac647e85d49c2d537bb071ba49e;hp=a88c3933f86d55e007647c2a05a370b4afaaa0a6;hpb=05e0e301e3efbeb399b9f3d96fab63aac18e601a;p=musl

diff --git a/src/stdio/getdelim.c b/src/stdio/getdelim.c
index a88c3933..1ccd8029 100644
--- a/src/stdio/getdelim.c
+++ b/src/stdio/getdelim.c
@@ -27,17 +27,18 @@ ssize_t getdelim(char **restrict s, size_t *restrict n, int delim, FILE *restric
 	for (;;) {
 		z = memchr(f->rpos, delim, f->rend - f->rpos);
 		k = z ? z - f->rpos + 1 : f->rend - f->rpos;
-		if (i+k >= *n) {
+		if (i+k+1 >= *n) {
 			if (k >= SIZE_MAX/2-i) goto oom;
-			*n = i+k+2;
-			if (*n < SIZE_MAX/4) *n *= 2;
-			tmp = realloc(*s, *n);
+			size_t m = i+k+2;
+			if (!z && m < SIZE_MAX/4) m += m/2;
+			tmp = realloc(*s, m);
 			if (!tmp) {
-				*n = i+k+2;
-				tmp = realloc(*s, *n);
+				m = i+k+2;
+				tmp = realloc(*s, m);
 				if (!tmp) goto oom;
 			}
 			*s = tmp;
+			*n = m;
 		}
 		memcpy(*s+i, f->rpos, k);
 		f->rpos += k;