From: appleman4321 <GermanAizek@yandex.ru>
Date: Mon, 31 Oct 2022 23:31:09 +0000 (+0300)
Subject: Rewrite checking condition bufStart pointer NULL
X-Git-Tag: v1.5.4^2~135^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=533433942134bdf1016eebfcc205012e66d6537c;p=thirdparty%2Fzstd.git

Rewrite checking condition bufStart pointer NULL
---

diff --git a/programs/util.c b/programs/util.c
index a3af26211..df0bb0afb 100644
--- a/programs/util.c
+++ b/programs/util.c
@@ -693,8 +693,11 @@ static int UTIL_prepareFileList(const char *dirName,
                 ptrdiff_t newListSize = (*bufEnd - *bufStart) + LIST_SIZE_INCREASE;
                 assert(newListSize >= 0);
                 *bufStart = (char*)UTIL_realloc(*bufStart, (size_t)newListSize);
-                *bufEnd = *bufStart + newListSize;
-                if (*bufStart == NULL) { free(path); closedir(dir); return 0; }
+                if (*bufStart != NULL) {
+                    *bufEnd = *bufStart + newListSize;
+                } else {
+                    free(path); closedir(dir); return 0;
+                }
             }
             if (*bufStart + *pos + pathLength < *bufEnd) {
                 memcpy(*bufStart + *pos, path, pathLength + 1);  /* with final \0 */