diffcore-rename: avoid processing duplicate destinations

diff --git a/git-compat-util.h b/git-compat-util.h
index f6d3a46622d1de2497b56274a255d7bca46117dd..e6a4159a25ea2c4f98840b86994425e898cf134c 100644 (file)
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -531,6 +531,7 @@ extern void *xcalloc(size_t nmemb, size_t size);
 extern void *xmmap(void *start, size_t length, int prot, int flags, int fd, off_t offset);
 extern ssize_t xread(int fd, void *buf, size_t len);
 extern ssize_t xwrite(int fd, const void *buf, size_t len);
+extern ssize_t xpread(int fd, void *buf, size_t len, off_t offset);
 extern int xdup(int fd);
 extern FILE *xfdopen(int fd, const char *mode);
 extern int xmkstemp(char *template);