dir-iterator: use warning_errno when possible

diff --git a/xdiff-interface.h b/xdiff-interface.h
index 2d41fffd4c618b5d7b816146d9df684b195535e3..ede4246bbd3397086f90217539a2d07a35a4b986 100644 (file)
--- a/xdiff-interface.h
+++ b/xdiff-interface.h
@@ -27,9 +27,9 @@ int read_mmfile(mmfile_t *ptr, const char *filename);
 void read_mmblob(mmfile_t *ptr, const struct object_id *oid);
 int buffer_is_binary(const char *ptr, unsigned long size);
 
-extern void xdiff_set_find_func(xdemitconf_t *xecfg, const char *line, int cflags);
-extern void xdiff_clear_find_func(xdemitconf_t *xecfg);
-extern int git_xmerge_config(const char *var, const char *value, void *cb);
+void xdiff_set_find_func(xdemitconf_t *xecfg, const char *line, int cflags);
+void xdiff_clear_find_func(xdemitconf_t *xecfg);
+int git_xmerge_config(const char *var, const char *value, void *cb);
 extern int git_xmerge_style;
 
 /*
@@ -46,14 +46,14 @@ void discard_hunk_line(void *priv,
  * The `flags` given as XDF_WHITESPACE_FLAGS determine how white spaces
  * are treated for the comparision.
  */
-extern int xdiff_compare_lines(const char *l1, long s1,
-                              const char *l2, long s2, long flags);
+int xdiff_compare_lines(const char *l1, long s1,
+                       const char *l2, long s2, long flags);
 
 /*
  * Returns a hash of the string s of length len.
  * The `flags` given as XDF_WHITESPACE_FLAGS determine how white spaces
  * are treated for the hash.
  */
-extern unsigned long xdiff_hash_string(const char *s, size_t len, long flags);
+unsigned long xdiff_hash_string(const char *s, size_t len, long flags);
 
 #endif