X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=xdiff-interface.c;h=61dc5c547019776b971dc89d009f628bbac134fd;hb=1c7b76be7d620bbaf2e6b8417f04012326bbb9df;hp=bba236428adb0b34421b9f1b5a3a1728911ee406;hpb=6d21667206c4c2b10aad99eca1530a4f17c4e61d;p=git.git

diff --git a/xdiff-interface.c b/xdiff-interface.c
index bba236428..61dc5c547 100644
--- a/xdiff-interface.c
+++ b/xdiff-interface.c
@@ -152,8 +152,8 @@ int read_mmfile(mmfile_t *ptr, const char *filename)
 	if ((f = fopen(filename, "rb")) == NULL)
 		return error("Could not open %s", filename);
 	sz = xsize_t(st.st_size);
-	ptr->ptr = xmalloc(sz);
-	if (fread(ptr->ptr, sz, 1, f) != 1)
+	ptr->ptr = xmalloc(sz ? sz : 1);
+	if (sz && fread(ptr->ptr, sz, 1, f) != 1)
 		return error("Could not read %s", filename);
 	fclose(f);
 	ptr->size = sz;