parse-options: add new function "usage_msg_opt"

diff --git a/git-compat-util.h b/git-compat-util.h
index 19062534a1d8c8e46e77045cb9e67f437f619133..4236647c91a6ec554b03b1f238630a77444e6190 100644 (file)
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -41,11 +41,14 @@
 
 #if !defined(__APPLE__) && !defined(__FreeBSD__)  && !defined(__USLC__) && !defined(_M_UNIX)
 #define _XOPEN_SOURCE 600 /* glibc2 and AIX 5.3L need 500, OpenBSD needs 600 for S_ISLNK() */
+#ifndef __sun__
 #define _XOPEN_SOURCE_EXTENDED 1 /* AIX 5.3L needs this */
 #endif
+#endif
 #define _ALL_SOURCE 1
 #define _GNU_SOURCE 1
 #define _BSD_SOURCE 1
+#define _NETBSD_SOURCE 1
 
 #include <unistd.h>
 #include <stdio.h>
@@ -166,7 +169,7 @@ static inline const char *skip_prefix(const char *str, const char *prefix)
        return strncmp(str, prefix, len) ? NULL : str + len;
 }
 
-#ifdef NO_MMAP
+#if defined(NO_MMAP) || defined(USE_WIN32_MMAP)
 
 #ifndef PROT_READ
 #define PROT_READ 1
@@ -180,13 +183,19 @@ static inline const char *skip_prefix(const char *str, const char *prefix)
 extern void *git_mmap(void *start, size_t length, int prot, int flags, int fd, off_t offset);
 extern int git_munmap(void *start, size_t length);
 
+#else /* NO_MMAP || USE_WIN32_MMAP */
+
+#include <sys/mman.h>
+
+#endif /* NO_MMAP || USE_WIN32_MMAP */
+
+#ifdef NO_MMAP
+
 /* This value must be multiple of (pagesize * 2) */
 #define DEFAULT_PACKED_GIT_WINDOW_SIZE (1 * 1024 * 1024)
 
 #else /* NO_MMAP */
 
-#include <sys/mman.h>
-
 /* This value must be multiple of (pagesize * 2) */
 #define DEFAULT_PACKED_GIT_WINDOW_SIZE \
        (sizeof(void*) >= 8 \
@@ -402,4 +411,16 @@ void git_qsort(void *base, size_t nmemb, size_t size,
 #endif
 #endif
 
+#ifdef UNRELIABLE_FSTAT
+#define fstat_is_reliable() 0
+#else
+#define fstat_is_reliable() 1
+#endif
+
+/*
+ * Preserves errno, prints a message, but gives no warning for ENOENT.
+ * Always returns the return value of unlink(2).
+ */
+int unlink_or_warn(const char *path);
+
 #endif