[PATCH 2/4] xdiff-interface: export comparing and hashing strings

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This will turn out to be useful in a later patch

Signed-off-by: Stefan Beller <sbeller@xxxxxxxxxx>
---
 xdiff-interface.c | 11 +++++++++++
 xdiff-interface.h |  5 +++++
 2 files changed, 16 insertions(+)

diff --git a/xdiff-interface.c b/xdiff-interface.c
index 018e033089..fd002ebbc2 100644
--- a/xdiff-interface.c
+++ b/xdiff-interface.c
@@ -5,6 +5,7 @@
 #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;
@@ -296,6 +297,16 @@ 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)
diff --git a/xdiff-interface.h b/xdiff-interface.h
index 6f6ba9095d..d3cb9285c5 100644
--- a/xdiff-interface.h
+++ b/xdiff-interface.h
@@ -29,4 +29,9 @@ extern void xdiff_clear_find_func(xdemitconf_t *xecfg);
 extern int git_xmerge_config(const char *var, const char *value, void *cb);
 extern int git_xmerge_style;
 
+extern int xdiff_compare_lines(const char *l1, long s1,
+			       const char *l2, long s2, long flags);
+
+extern unsigned long xdiff_hash_string(const char *s, size_t len, long flags);
+
 #endif
-- 
2.15.0.rc2.6.g953226eb5f




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