Merge branch 'maint'

diff --git a/git-compat-util.h b/git-compat-util.h
index c66e0a424707dde0e155aacf6b9adf4e355cb54f..5f6a281b78245bbb4e1e480d81cfb8c1b4cfa6ac 100644 (file)
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -1,6 +1,8 @@
 #ifndef GIT_COMPAT_UTIL_H
 #define GIT_COMPAT_UTIL_H
 
+#define _FILE_OFFSET_BITS 64
+
 #ifndef FLEX_ARRAY
 #if defined(__GNUC__) && (__GNUC__ < 3)
 #define FLEX_ARRAY 0
@@ -11,12 +13,13 @@
 
 #define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0]))
 
-#if !defined(__APPLE__) && !defined(__FreeBSD)
+#if !defined(__APPLE__) && !defined(__FreeBSD__)
 #define _XOPEN_SOURCE 600 /* glibc2 and AIX 5.3L need 500, OpenBSD needs 600 for S_ISLNK() */
 #define _XOPEN_SOURCE_EXTENDED 1 /* AIX 5.3L needs this */
 #endif
-#define _GNU_SOURCE
-#define _BSD_SOURCE
+#define _ALL_SOURCE 1
+#define _GNU_SOURCE 1
+#define _BSD_SOURCE 1
 
 #include <unistd.h>
 #include <stdio.h>
@@ -45,7 +48,16 @@
 #include <arpa/inet.h>
 #include <netdb.h>
 #include <pwd.h>
+#include <inttypes.h>
+#if defined(__CYGWIN__)
+#undef _XOPEN_SOURCE
+#include <grp.h>
+#define _XOPEN_SOURCE 600
+#else
+#undef _ALL_SOURCE /* AIX 5.3L defines a struct list with _ALL_SOURCE. */
 #include <grp.h>
+#define _ALL_SOURCE 1
+#endif
 
 #ifndef NO_ICONV
 #include <iconv.h>
@@ -58,6 +70,10 @@
 #define PATH_MAX 4096
 #endif
 
+#ifndef PRIuMAX
+#define PRIuMAX "llu"
+#endif
+
 #ifdef __GNUC__
 #define NORETURN __attribute__((__noreturn__))
 #else
@@ -71,10 +87,12 @@
 extern void usage(const char *err) NORETURN;
 extern void die(const char *err, ...) NORETURN __attribute__((format (printf, 1, 2)));
 extern int error(const char *err, ...) __attribute__((format (printf, 1, 2)));
+extern void warning(const char *err, ...) __attribute__((format (printf, 1, 2)));
 
 extern void set_usage_routine(void (*routine)(const char *err) NORETURN);
 extern void set_die_routine(void (*routine)(const char *err, va_list params) NORETURN);
 extern void set_error_routine(void (*routine)(const char *err, va_list params));
+extern void set_warn_routine(void (*routine)(const char *warn, va_list params));
 
 #ifdef NO_MMAP
 
@@ -85,17 +103,34 @@ extern void set_error_routine(void (*routine)(const char *err, va_list params));
 #define MAP_FAILED ((void*)-1)
 #endif
 
-#define mmap gitfakemmap
-#define munmap gitfakemunmap
-extern void *gitfakemmap(void *start, size_t length, int prot , int flags, int fd, off_t offset);
-extern int gitfakemunmap(void *start, size_t length);
+#define mmap git_mmap
+#define munmap git_munmap
+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);
+
+/* 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 \
+               ?  1 * 1024 * 1024 * 1024 \
+               : 32 * 1024 * 1024)
+
 #endif /* NO_MMAP */
 
+#define DEFAULT_PACKED_GIT_LIMIT \
+       ((1024L * 1024L) * (sizeof(void*) >= 8 ? 8192 : 256))
+
+#ifdef NO_PREAD
+#define pread git_pread
+extern ssize_t git_pread(int fd, void *buf, size_t count, off_t offset);
+#endif
+
 #ifdef NO_SETENV
 #define setenv gitsetenv
 extern int gitsetenv(const char *, const char *, int);
@@ -116,11 +151,22 @@ extern char *gitstrcasestr(const char *haystack, const char *needle);
 extern size_t gitstrlcpy(char *, const char *, size_t);
 #endif
 
+#ifdef NO_STRTOUMAX
+#define strtoumax gitstrtoumax
+extern uintmax_t gitstrtoumax(const char *, char **, int);
+#endif
+
+extern void release_pack_memory(size_t);
+
 static inline char* xstrdup(const char *str)
 {
        char *ret = strdup(str);
-       if (!ret)
-               die("Out of memory, strdup failed");
+       if (!ret) {
+               release_pack_memory(strlen(str) + 1);
+               ret = strdup(str);
+               if (!ret)
+                       die("Out of memory, strdup failed");
+       }
        return ret;
 }
 
@@ -129,8 +175,14 @@ static inline void *xmalloc(size_t size)
        void *ret = malloc(size);
        if (!ret && !size)
                ret = malloc(1);
-       if (!ret)
-               die("Out of memory, malloc failed");
+       if (!ret) {
+               release_pack_memory(size);
+               ret = malloc(size);
+               if (!ret && !size)
+                       ret = malloc(1);
+               if (!ret)
+                       die("Out of memory, malloc failed");
+       }
 #ifdef XMALLOC_POISON
        memset(ret, 0xA5, size);
 #endif
@@ -142,8 +194,14 @@ static inline void *xrealloc(void *ptr, size_t size)
        void *ret = realloc(ptr, size);
        if (!ret && !size)
                ret = realloc(ptr, 1);
-       if (!ret)
-               die("Out of memory, realloc failed");
+       if (!ret) {
+               release_pack_memory(size);
+               ret = realloc(ptr, size);
+               if (!ret && !size)
+                       ret = realloc(ptr, 1);
+               if (!ret)
+                       die("Out of memory, realloc failed");
+       }
        return ret;
 }
 
@@ -152,8 +210,29 @@ static inline void *xcalloc(size_t nmemb, size_t size)
        void *ret = calloc(nmemb, size);
        if (!ret && (!nmemb || !size))
                ret = calloc(1, 1);
-       if (!ret)
-               die("Out of memory, calloc failed");
+       if (!ret) {
+               release_pack_memory(nmemb * size);
+               ret = calloc(nmemb, size);
+               if (!ret && (!nmemb || !size))
+                       ret = calloc(1, 1);
+               if (!ret)
+                       die("Out of memory, calloc failed");
+       }
+       return ret;
+}
+
+static inline void *xmmap(void *start, size_t length,
+       int prot, int flags, int fd, off_t offset)
+{
+       void *ret = mmap(start, length, prot, flags, fd, offset);
+       if (ret == MAP_FAILED) {
+               if (!length)
+                       return NULL;
+               release_pack_memory(length);
+               ret = mmap(start, length, prot, flags, fd, offset);
+               if (ret == MAP_FAILED)
+                       die("Out of memory? mmap failed: %s", strerror(errno));
+       }
        return ret;
 }
 
@@ -179,6 +258,11 @@ static inline ssize_t xwrite(int fd, const void *buf, size_t len)
        }
 }
 
+static inline size_t xsize_t(off_t len)
+{
+       return (size_t)len;
+}
+
 static inline int has_extension(const char *filename, const char *ext)
 {
        size_t len = strlen(filename);
@@ -212,4 +296,22 @@ static inline int sane_case(int x, int high)
        return x;
 }
 
+static inline int prefixcmp(const char *str, const char *prefix)
+{
+       return strncmp(str, prefix, strlen(prefix));
+}
+
+static inline int strtoul_ui(char const *s, int base, unsigned int *result)
+{
+       unsigned long ul;
+       char *p;
+
+       errno = 0;
+       ul = strtoul(s, &p, base);
+       if (errno || *p || p == s || (unsigned int) ul != ul)
+               return -1;
+       *result = ul;
+       return 0;
+}
+
 #endif