1 files changed, 24 insertions, 15 deletions

diff --git a/xdiff-interface.c b/xdiff-interface.c
index f34ea76..e7af95d 100644
--- a/xdiff-interface.c
+++ b/xdiff-interface.c
@@ -1,9 +1,12 @@
 #include "cache.h"
+#include "config.h"
+#include "object-store.h"
 #include "xdiff-interface.h"
 #include "xdiff/xtypes.h"
 #include "xdiff/xdiffi.h"
 #include "xdiff/xemit.h"
 #include "xdiff/xmacros.h"
+#include "xdiff/xutils.h"
 
 struct xdiff_emit_state {
 	xdiff_emit_consume_fn consume;
@@ -164,9 +167,9 @@ int read_mmfile(mmfile_t *ptr, const char *filename)
 	size_t sz;
 
 	if (stat(filename, &st))
-		return error("Could not stat %s", filename);
+		return error_errno("Could not stat %s", filename);
 	if ((f = fopen(filename, "rb")) == NULL)
-		return error("Could not open %s", filename);
+		return error_errno("Could not open %s", filename);
 	sz = xsize_t(st.st_size);
 	ptr->ptr = xmalloc(sz ? sz : 1);
 	if (sz && fread(ptr->ptr, sz, 1, f) != 1) {
@@ -178,20 +181,20 @@ int read_mmfile(mmfile_t *ptr, const char *filename)
 	return 0;
 }
 
-void read_mmblob(mmfile_t *ptr, const unsigned char *sha1)
+void read_mmblob(mmfile_t *ptr, const struct object_id *oid)
 {
 	unsigned long size;
 	enum object_type type;
 
-	if (!hashcmp(sha1, null_sha1)) {
+	if (oideq(oid, &null_oid)) {
 		ptr->ptr = xstrdup("");
 		ptr->size = 0;
 		return;
 	}
 
-	ptr->ptr = read_sha1_file(sha1, &type, &size);
+	ptr->ptr = read_object_file(oid, &type, &size);
 	if (!ptr->ptr || type != OBJ_BLOB)
-		die("unable to read blob object %s", sha1_to_hex(sha1));
+		die("unable to read blob object %s", oid_to_hex(oid));
 	ptr->size = size;
 }
 
@@ -214,11 +217,10 @@ struct ff_regs {
 static long ff_regexp(const char *line, long len,
 		char *buffer, long buffer_size, void *priv)
 {
-	char *line_buffer;
 	struct ff_regs *regs = priv;
 	regmatch_t pmatch[2];
 	int i;
-	int result = -1;
+	int result;
 
 	/* Exclude terminating newline (and cr) from matching */
 	if (len > 0 && line[len-1] == '\n') {
@@ -228,18 +230,16 @@ static long ff_regexp(const char *line, long len,
 			len--;
 	}
 
-	line_buffer = xstrndup(line, len); /* make NUL terminated */
-
 	for (i = 0; i < regs->nr; i++) {
 		struct ff_reg *reg = regs->array + i;
-		if (!regexec(&reg->re, line_buffer, 2, pmatch, 0)) {
+		if (!regexec_buf(&reg->re, line, len, 2, pmatch, 0)) {
 			if (reg->negate)
-				goto fail;
+				return -1;
 			break;
 		}
 	}
 	if (regs->nr <= i)
-		goto fail;
+		return -1;
 	i = pmatch[1].rm_so >= 0 ? 1 : 0;
 	line += pmatch[i].rm_so;
 	result = pmatch[i].rm_eo - pmatch[i].rm_so;
@@ -248,8 +248,6 @@ static long ff_regexp(const char *line, long len,
 	while (result > 0 && (isspace(line[result - 1])))
 		result--;
 	memcpy(buffer, line, result);
- fail:
-	free(line_buffer);
 	return result;
 }
 
@@ -300,6 +298,17 @@ void xdiff_clear_find_func(xdemitconf_t *xecfg)
 	}
 }
 
+unsigned long xdiff_hash_string(const char *s, size_t len, long flags)
+{
+	return xdl_hash_record(&s, s + len, flags);
+}
+
+int xdiff_compare_lines(const char *l1, long s1,
+			const char *l2, long s2, long flags)
+{
+	return xdl_recmatch(l1, s1, l2, s2, flags);
+}
+
 int git_xmerge_style = -1;
 
 int git_xmerge_config(const char *var, const char *value, void *cb)