X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=xdiff-interface.c;h=10816e95a07c23dda7554c102c306d7e9beca606;hb=b51b8bbf146d17556226bff14f97957e84aa0207;hp=08602f522183dc43787616f37cba9b8af4e3dade;hpb=83572c1a914d3f7a8dd66d954c11bbc665b7b923;p=git.git

diff --git a/xdiff-interface.c b/xdiff-interface.c
index 08602f522..10816e95a 100644
--- a/xdiff-interface.c
+++ b/xdiff-interface.c
@@ -102,3 +102,24 @@ int xdiff_outf(void *priv_, mmbuffer_t *mb, int nbuf)
 	}
 	return 0;
 }
+
+int read_mmfile(mmfile_t *ptr, const char *filename)
+{
+	struct stat st;
+	FILE *f;
+	size_t sz;
+
+	if (stat(filename, &st))
+		return error("Could not stat %s", 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)
+		return error("Could not read %s", filename);
+	fclose(f);
+	ptr->size = sz;
+	return 0;
+}
+
+