wrapper.c: add xpread() similar to xread()

diff --git a/git-compat-util.h b/git-compat-util.h
index 7776f126d3bd4facfe987bd844a339c8a17b102a..9eec5fb52b6fc8289c2e7d1dc01625b69c55f18f 100644 (file)
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -534,6 +534,7 @@ 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);