X-Git-Url: https://git.exim.org/users/jgh/exim.git/blobdiff_plain/79de4f370f306869887e1714ff4ecef5bfc93fa5..4a5ee04fd186cb7d86a4f70821dacc55f8cce98d:/src/src/os.c

diff --git a/src/src/os.c b/src/src/os.c
index 47af038f7..ca24e8dd2 100644
--- a/src/src/os.c
+++ b/src/src/os.c
@@ -879,7 +879,7 @@ char * b = (char *)buffer;
 if (!size) size = PATH_MAX;
 if (!b && !(b = malloc(size))) return NULL;
 if (!(b = getcwd(b, size))) return NULL;
-return realloc(b, strlen(b) + 1);
+return buffer ? buffer : realloc(b, strlen(b) + 1);
 }
 #endif