X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;f=xdiff-interface.c;h=61dc5c547019776b971dc89d009f628bbac134fd;hb=fae09a8084c9b51632726523b477a78dd28d7d7e;hp=bba236428adb0b34421b9f1b5a3a1728911ee406;hpb=f830d45b9fdb04a5d79c25bb3a3d891d8d3b58e9;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;