1 files changed, 18 insertions, 8 deletions

diff --git a/git-compat-util.h b/git-compat-util.h
index dcc786edaa..7c99eef661 100644
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -160,6 +160,9 @@
 # endif
 #define WIN32_LEAN_AND_MEAN  /* stops windows.h including winsock.h */
 #include <winsock2.h>
+#ifndef NO_UNIX_SOCKETS
+#include <afunix.h>
+#endif
 #include <windows.h>
 #define GIT_WINDOWS_NATIVE
 #endif
@@ -256,6 +259,11 @@ static inline const char *precompose_argv_prefix(int argc, const char **argv, co
 {
 	return prefix;
 }
+static inline const char *precompose_string_if_needed(const char *in)
+{
+	return in;
+}
+
 #define probe_utf8_pathname_composition()
 #endif
 
@@ -871,6 +879,7 @@ char *xstrndup(const char *str, size_t len);
 void *xrealloc(void *ptr, size_t size);
 void *xcalloc(size_t nmemb, size_t size);
 void *xmmap(void *start, size_t length, int prot, int flags, int fd, off_t offset);
+const char *mmap_os_err(void);
 void *xmmap_gently(void *start, size_t length, int prot, int flags, int fd, off_t offset);
 int xopen(const char *path, int flags, ...);
 ssize_t xread(int fd, void *buf, size_t len);
@@ -981,11 +990,9 @@ static inline char *xstrdup_or_null(const char *str)
 
 static inline size_t xsize_t(off_t len)
 {
-	size_t size = (size_t) len;
-
-	if (len != (off_t) size)
+	if (len < 0 || (uintmax_t) len > SIZE_MAX)
 		die("Cannot handle files this big");
-	return size;
+	return (size_t) len;
 }
 
 __attribute__((format (printf, 3, 4)))
@@ -1242,9 +1249,12 @@ int access_or_die(const char *path, int mode, unsigned flag);
 /* Warn on an inaccessible file if errno indicates this is an error */
 int warn_on_fopen_errors(const char *path);
 
-#if !defined(USE_PARENS_AROUND_GETTEXT_N) && defined(__GNUC__)
-#define USE_PARENS_AROUND_GETTEXT_N 1
-#endif
+/*
+ * Open with O_NOFOLLOW, or equivalent. Note that the fallback equivalent
+ * may be racy. Do not use this as protection against an attacker who can
+ * simultaneously create paths.
+ */
+int open_nofollow(const char *path, int flags);
 
 #ifndef SHELL_PATH
 # define SHELL_PATH "/bin/sh"
@@ -1356,7 +1366,7 @@ static inline void *container_of_or_null_offset(void *ptr, size_t offset)
 	(type *)container_of_or_null_offset(ptr, offsetof(type, member))
 
 /*
- * like offsetof(), but takes a pointer to a a variable of type which
+ * like offsetof(), but takes a pointer to a variable of type which
  * contains @member, instead of a specified type.
  * @ptr is subject to multiple evaluation since we can't rely on __typeof__
  * everywhere.