summaryrefslogtreecommitdiff
path: root/compat
diff options
context:
space:
mode:
Diffstat (limited to 'compat')
-rw-r--r--compat/basename.c66
-rw-r--r--compat/bswap.h5
-rw-r--r--compat/mingw.c131
-rw-r--r--compat/mingw.h33
-rw-r--r--compat/nedmalloc/malloc.c.h7
-rw-r--r--compat/poll/poll.c2
-rw-r--r--compat/qsort.c2
-rw-r--r--compat/setenv.c2
-rw-r--r--compat/terminal.c2
-rw-r--r--compat/win32/pthread.h7
-rw-r--r--compat/win32/syslog.c4
-rw-r--r--compat/winansi.c5
12 files changed, 216 insertions, 50 deletions
diff --git a/compat/basename.c b/compat/basename.c
index d8f8a3c6dc..96bd9533b4 100644
--- a/compat/basename.c
+++ b/compat/basename.c
@@ -1,15 +1,71 @@
#include "../git-compat-util.h"
+#include "../strbuf.h"
/* Adapted from libiberty's basename.c. */
char *gitbasename (char *path)
{
const char *base;
- /* Skip over the disk name in MSDOS pathnames. */
- if (has_dos_drive_prefix(path))
- path += 2;
+
+ if (path)
+ skip_dos_drive_prefix(&path);
+
+ if (!path || !*path)
+ return ".";
+
for (base = path; *path; path++) {
- if (is_dir_sep(*path))
- base = path + 1;
+ if (!is_dir_sep(*path))
+ continue;
+ do {
+ path++;
+ } while (is_dir_sep(*path));
+ if (*path)
+ base = path;
+ else
+ while (--path != base && is_dir_sep(*path))
+ *path = '\0';
}
return (char *)base;
}
+
+char *gitdirname(char *path)
+{
+ static struct strbuf buf = STRBUF_INIT;
+ char *p = path, *slash = NULL, c;
+ int dos_drive_prefix;
+
+ if (!p)
+ return ".";
+
+ if ((dos_drive_prefix = skip_dos_drive_prefix(&p)) && !*p)
+ goto dot;
+
+ /*
+ * POSIX.1-2001 says dirname("/") should return "/", and dirname("//")
+ * should return "//", but dirname("///") should return "/" again.
+ */
+ if (is_dir_sep(*p)) {
+ if (!p[1] || (is_dir_sep(p[1]) && !p[2]))
+ return path;
+ slash = ++p;
+ }
+ while ((c = *(p++)))
+ if (is_dir_sep(c)) {
+ char *tentative = p - 1;
+
+ /* POSIX.1-2001 says to ignore trailing slashes */
+ while (is_dir_sep(*p))
+ p++;
+ if (*p)
+ slash = tentative;
+ }
+
+ if (slash) {
+ *slash = '\0';
+ return path;
+ }
+
+dot:
+ strbuf_reset(&buf);
+ strbuf_addf(&buf, "%.*s.", dos_drive_prefix, path);
+ return buf.buf;
+}
diff --git a/compat/bswap.h b/compat/bswap.h
index 7fed637ed0..d47c003544 100644
--- a/compat/bswap.h
+++ b/compat/bswap.h
@@ -149,11 +149,12 @@ static inline uint64_t git_bswap64(uint64_t x)
* and is faster on architectures with memory alignment issues.
*/
-#if defined(__i386__) || defined(__x86_64__) || \
+#if !defined(NO_UNALIGNED_LOADS) && ( \
+ defined(__i386__) || defined(__x86_64__) || \
defined(_M_IX86) || defined(_M_X64) || \
defined(__ppc__) || defined(__ppc64__) || \
defined(__powerpc__) || defined(__powerpc64__) || \
- defined(__s390__) || defined(__s390x__)
+ defined(__s390__) || defined(__s390x__))
#define get_be16(p) ntohs(*(unsigned short *)(p))
#define get_be32(p) ntohl(*(unsigned int *)(p))
diff --git a/compat/mingw.c b/compat/mingw.c
index 5edea29508..cfedcf9656 100644
--- a/compat/mingw.c
+++ b/compat/mingw.c
@@ -6,6 +6,8 @@
#include "../run-command.h"
#include "../cache.h"
+#define HCAST(type, handle) ((type)(intptr_t)handle)
+
static const int delay[] = { 0, 1, 10, 20, 40 };
int err_win_to_posix(DWORD winerr)
@@ -452,6 +454,39 @@ static inline time_t filetime_to_time_t(const FILETIME *ft)
return (time_t)(filetime_to_hnsec(ft) / 10000000);
}
+/**
+ * Verifies that safe_create_leading_directories() would succeed.
+ */
+static int has_valid_directory_prefix(wchar_t *wfilename)
+{
+ int n = wcslen(wfilename);
+
+ while (n > 0) {
+ wchar_t c = wfilename[--n];
+ DWORD attributes;
+
+ if (!is_dir_sep(c))
+ continue;
+
+ wfilename[n] = L'\0';
+ attributes = GetFileAttributesW(wfilename);
+ wfilename[n] = c;
+ if (attributes == FILE_ATTRIBUTE_DIRECTORY ||
+ attributes == FILE_ATTRIBUTE_DEVICE)
+ return 1;
+ if (attributes == INVALID_FILE_ATTRIBUTES)
+ switch (GetLastError()) {
+ case ERROR_PATH_NOT_FOUND:
+ continue;
+ case ERROR_FILE_NOT_FOUND:
+ /* This implies parent directory exists. */
+ return 1;
+ }
+ return 0;
+ }
+ return 1;
+}
+
/* We keep the do_lstat code in a separate function to avoid recursion.
* When a path ends with a slash, the stat will fail with ENOENT. In
* this case, we strip the trailing slashes and stat again.
@@ -512,6 +547,12 @@ static int do_lstat(int follow, const char *file_name, struct stat *buf)
case ERROR_NOT_ENOUGH_MEMORY:
errno = ENOMEM;
break;
+ case ERROR_PATH_NOT_FOUND:
+ if (!has_valid_directory_prefix(wfilename)) {
+ errno = ENOTDIR;
+ break;
+ }
+ /* fallthru */
default:
errno = ENOENT;
break;
@@ -691,13 +732,13 @@ int pipe(int filedes[2])
errno = err_win_to_posix(GetLastError());
return -1;
}
- filedes[0] = _open_osfhandle((int)h[0], O_NOINHERIT);
+ filedes[0] = _open_osfhandle(HCAST(int, h[0]), O_NOINHERIT);
if (filedes[0] < 0) {
CloseHandle(h[0]);
CloseHandle(h[1]);
return -1;
}
- filedes[1] = _open_osfhandle((int)h[1], O_NOINHERIT);
+ filedes[1] = _open_osfhandle(HCAST(int, h[1]), O_NOINHERIT);
if (filedes[1] < 0) {
close(filedes[0]);
CloseHandle(h[1]);
@@ -769,7 +810,7 @@ static const char *quote_arg(const char *arg)
return arg;
/* insert \ where necessary */
- d = q = xmalloc(len+n+3);
+ d = q = xmalloc(st_add3(len, n, 3));
*d++ = '"';
while (*arg) {
if (*arg == '"')
@@ -852,7 +893,7 @@ static char **get_path_split(void)
if (!n)
return NULL;
- path = xmalloc((n+1)*sizeof(char *));
+ ALLOC_ARRAY(path, n + 1);
p = envpath;
i = 0;
do {
@@ -937,7 +978,7 @@ static wchar_t *make_environment_block(char **deltaenv)
i++;
/* copy the environment, leaving space for changes */
- tmpenv = xmalloc((size + i) * sizeof(char*));
+ ALLOC_ARRAY(tmpenv, size + i);
memcpy(tmpenv, environ, size * sizeof(char*));
/* merge supplied environment changes into the temporary environment */
@@ -1028,7 +1069,7 @@ static pid_t mingw_spawnve_fd(const char *cmd, const char **argv, char **deltaen
free(quoted);
}
- wargs = xmalloc((2 * args.len + 1) * sizeof(wchar_t));
+ wargs = xmalloc_array(st_add(st_mult(2, args.len), 1), sizeof(wchar_t));
xutftowcs(wargs, args.buf, 2 * args.len + 1);
strbuf_release(&args);
@@ -1127,7 +1168,7 @@ static int try_shell_exec(const char *cmd, char *const *argv)
int argc = 0;
const char **argv2;
while (argv[argc]) argc++;
- argv2 = xmalloc(sizeof(*argv) * (argc+1));
+ ALLOC_ARRAY(argv2, argc + 1);
argv2[0] = (char *)cmd; /* full path to the script file */
memcpy(&argv2[1], &argv[1], sizeof(*argv) * argc);
pid = mingw_spawnv(prog, argv2, 1);
@@ -1601,7 +1642,12 @@ repeat:
if (gle == ERROR_ACCESS_DENIED &&
(attrs = GetFileAttributesW(wpnew)) != INVALID_FILE_ATTRIBUTES) {
if (attrs & FILE_ATTRIBUTE_DIRECTORY) {
- errno = EISDIR;
+ DWORD attrsold = GetFileAttributesW(wpold);
+ if (attrsold == INVALID_FILE_ATTRIBUTES ||
+ !(attrsold & FILE_ATTRIBUTE_DIRECTORY))
+ errno = EISDIR;
+ else if (!_wrmdir(wpnew))
+ goto repeat;
return -1;
}
if ((attrs & FILE_ATTRIBUTE_READONLY) &&
@@ -1846,7 +1892,8 @@ void mingw_open_html(const char *unixpath)
die("cannot run browser");
printf("Launching default browser to display HTML ...\n");
- r = (int)ShellExecute(NULL, "open", htmlpath, NULL, "\\", SW_SHOWNORMAL);
+ r = HCAST(int, ShellExecute(NULL, "open", htmlpath,
+ NULL, "\\", SW_SHOWNORMAL));
FreeLibrary(shell32);
/* see the MSDN documentation referring to the result codes here */
if (r <= 32) {
@@ -1932,28 +1979,31 @@ pid_t waitpid(pid_t pid, int *status, int options)
return -1;
}
+int mingw_skip_dos_drive_prefix(char **path)
+{
+ int ret = has_dos_drive_prefix(*path);
+ *path += ret;
+ return ret;
+}
+
int mingw_offset_1st_component(const char *path)
{
- int offset = 0;
- if (has_dos_drive_prefix(path))
- offset = 2;
+ char *pos = (char *)path;
/* unc paths */
- else if (is_dir_sep(path[0]) && is_dir_sep(path[1])) {
-
+ if (!skip_dos_drive_prefix(&pos) &&
+ is_dir_sep(pos[0]) && is_dir_sep(pos[1])) {
/* skip server name */
- char *pos = strpbrk(path + 2, "\\/");
+ pos = strpbrk(pos + 2, "\\/");
if (!pos)
return 0; /* Error: malformed unc path */
do {
pos++;
} while (*pos && !is_dir_sep(*pos));
-
- offset = pos - path;
}
- return offset + is_dir_sep(path[offset]);
+ return pos + is_dir_sep(*pos) - path;
}
int xutftowcsn(wchar_t *wcs, const char *utfs, size_t wcslen, int utflen)
@@ -2041,6 +2091,37 @@ int xwcstoutf(char *utf, const wchar_t *wcs, size_t utflen)
return -1;
}
+static void setup_windows_environment()
+{
+ char *tmp = getenv("TMPDIR");
+
+ /* on Windows it is TMP and TEMP */
+ if (!tmp) {
+ if (!(tmp = getenv("TMP")))
+ tmp = getenv("TEMP");
+ if (tmp) {
+ setenv("TMPDIR", tmp, 1);
+ tmp = getenv("TMPDIR");
+ }
+ }
+
+ if (tmp) {
+ /*
+ * Convert all dir separators to forward slashes,
+ * to help shell commands called from the Git
+ * executable (by not mistaking the dir separators
+ * for escape characters).
+ */
+ for (; *tmp; tmp++)
+ if (*tmp == '\\')
+ *tmp = '/';
+ }
+
+ /* simulate TERM to enable auto-color (see color.c) */
+ if (!getenv("TERM"))
+ setenv("TERM", "cygwin", 1);
+}
+
/*
* Disable MSVCRT command line wildcard expansion (__getmainargs called from
* mingw startup code, see init.c in mingw runtime).
@@ -2119,19 +2200,7 @@ void mingw_startup()
qsort(environ, i, sizeof(char*), compareenv);
/* fix Windows specific environment settings */
-
- /* on Windows it is TMP and TEMP */
- if (!mingw_getenv("TMPDIR")) {
- const char *tmp = mingw_getenv("TMP");
- if (!tmp)
- tmp = mingw_getenv("TEMP");
- if (tmp)
- setenv("TMPDIR", tmp, 1);
- }
-
- /* simulate TERM to enable auto-color (see color.c) */
- if (!getenv("TERM"))
- setenv("TERM", "cygwin", 1);
+ setup_windows_environment();
/* initialize critical section for waitpid pinfo_t list */
InitializeCriticalSection(&pinfo_cs);
diff --git a/compat/mingw.h b/compat/mingw.h
index 57ca477d1f..8c5bf5076b 100644
--- a/compat/mingw.h
+++ b/compat/mingw.h
@@ -1,27 +1,43 @@
+#ifdef __MINGW64_VERSION_MAJOR
+#include <stdint.h>
+#include <wchar.h>
+typedef _sigset_t sigset_t;
+#endif
#include <winsock2.h>
#include <ws2tcpip.h>
+/* MinGW-w64 reports to have flockfile, but it does not actually have it. */
+#ifdef __MINGW64_VERSION_MAJOR
+#undef _POSIX_THREAD_SAFE_FUNCTIONS
+#endif
+
/*
* things that are not available in header files
*/
-typedef int pid_t;
typedef int uid_t;
typedef int socklen_t;
+#ifndef __MINGW64_VERSION_MAJOR
+typedef int pid_t;
#define hstrerror strerror
+#endif
#define S_IFLNK 0120000 /* Symbolic link */
#define S_ISLNK(x) (((x) & S_IFMT) == S_IFLNK)
#define S_ISSOCK(x) 0
+#ifndef S_IRWXG
#define S_IRGRP 0
#define S_IWGRP 0
#define S_IXGRP 0
#define S_IRWXG (S_IRGRP | S_IWGRP | S_IXGRP)
+#endif
+#ifndef S_IRWXO
#define S_IROTH 0
#define S_IWOTH 0
#define S_IXOTH 0
#define S_IRWXO (S_IROTH | S_IWOTH | S_IXOTH)
+#endif
#define S_ISUID 0004000
#define S_ISGID 0002000
@@ -100,8 +116,10 @@ static inline int symlink(const char *oldpath, const char *newpath)
{ errno = ENOSYS; return -1; }
static inline int fchmod(int fildes, mode_t mode)
{ errno = ENOSYS; return -1; }
+#ifndef __MINGW64_VERSION_MAJOR
static inline pid_t fork(void)
{ errno = ENOSYS; return -1; }
+#endif
static inline unsigned int alarm(unsigned int seconds)
{ return 0; }
static inline int fsync(int fd)
@@ -176,8 +194,10 @@ int pipe(int filedes[2]);
unsigned int sleep (unsigned int seconds);
int mkstemp(char *template);
int gettimeofday(struct timeval *tv, void *tz);
+#ifndef __MINGW64_VERSION_MAJOR
struct tm *gmtime_r(const time_t *timep, struct tm *result);
struct tm *localtime_r(const time_t *timep, struct tm *result);
+#endif
int getpagesize(void); /* defined in MinGW's libgcc.a */
struct passwd *getpwuid(uid_t uid);
int setitimer(int type, struct itimerval *in, struct itimerval *out);
@@ -301,8 +321,10 @@ static inline int getrlimit(int resource, struct rlimit *rlp)
/*
* Use mingw specific stat()/lstat()/fstat() implementations on Windows.
*/
+#ifndef __MINGW64_VERSION_MAJOR
#define off_t off64_t
#define lseek _lseeki64
+#endif
/* use struct stat with 64 bit st_size */
#ifdef stat
@@ -361,7 +383,10 @@ HANDLE winansi_get_osfhandle(int fd);
* git specific compatibility
*/
-#define has_dos_drive_prefix(path) (isalpha(*(path)) && (path)[1] == ':')
+#define has_dos_drive_prefix(path) \
+ (isalpha(*(path)) && (path)[1] == ':' ? 2 : 0)
+int mingw_skip_dos_drive_prefix(char **path);
+#define skip_dos_drive_prefix mingw_skip_dos_drive_prefix
#define is_dir_sep(c) ((c) == '/' || (c) == '\\')
static inline char *mingw_find_last_dir_sep(const char *path)
{
@@ -375,8 +400,12 @@ static inline char *mingw_find_last_dir_sep(const char *path)
int mingw_offset_1st_component(const char *path);
#define offset_1st_component mingw_offset_1st_component
#define PATH_SEP ';'
+#ifndef __MINGW64_VERSION_MAJOR
#define PRIuMAX "I64u"
#define PRId64 "I64d"
+#else
+#include <inttypes.h>
+#endif
void mingw_open_html(const char *path);
#define open_html mingw_open_html
diff --git a/compat/nedmalloc/malloc.c.h b/compat/nedmalloc/malloc.c.h
index f216a2a7d3..b833ff9225 100644
--- a/compat/nedmalloc/malloc.c.h
+++ b/compat/nedmalloc/malloc.c.h
@@ -720,6 +720,9 @@ struct mallinfo {
inlining are defined as macros, so these aren't used for them.
*/
+#ifdef __MINGW64_VERSION_MAJOR
+#undef FORCEINLINE
+#endif
#ifndef FORCEINLINE
#if defined(__GNUC__)
#define FORCEINLINE __inline __attribute__ ((always_inline))
@@ -1382,6 +1385,7 @@ LONG __cdecl _InterlockedExchange(LONG volatile *Target, LONG Value);
/*** Atomic operations ***/
#if (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) > 40100
+ #undef _ReadWriteBarrier
#define _ReadWriteBarrier() __sync_synchronize()
#else
static __inline__ __attribute__((always_inline)) long __sync_lock_test_and_set(volatile long * const Target, const long Value)
@@ -1798,9 +1802,10 @@ struct win32_mlock_t
volatile long threadid;
};
+static inline int return_0(int i) { return 0; }
#define MLOCK_T struct win32_mlock_t
#define CURRENT_THREAD win32_getcurrentthreadid()
-#define INITIAL_LOCK(sl) (memset(sl, 0, sizeof(MLOCK_T)), 0)
+#define INITIAL_LOCK(sl) (memset(sl, 0, sizeof(MLOCK_T)), return_0(0))
#define ACQUIRE_LOCK(sl) win32_acquire_lock(sl)
#define RELEASE_LOCK(sl) win32_release_lock(sl)
#define TRY_LOCK(sl) win32_try_lock(sl)
diff --git a/compat/poll/poll.c b/compat/poll/poll.c
index db4e03ed79..b10adc780f 100644
--- a/compat/poll/poll.c
+++ b/compat/poll/poll.c
@@ -76,7 +76,7 @@
#ifdef WIN32_NATIVE
-#define IsConsoleHandle(h) (((long) (h) & 3) == 3)
+#define IsConsoleHandle(h) (((long) (intptr_t) (h) & 3) == 3)
static BOOL
IsSocketHandle (HANDLE h)
diff --git a/compat/qsort.c b/compat/qsort.c
index 9574d537bd..7d071afb70 100644
--- a/compat/qsort.c
+++ b/compat/qsort.c
@@ -47,7 +47,7 @@ static void msort_with_tmp(void *b, size_t n, size_t s,
void git_qsort(void *b, size_t n, size_t s,
int (*cmp)(const void *, const void *))
{
- const size_t size = n * s;
+ const size_t size = st_mult(n, s);
char buf[1024];
if (size < sizeof(buf)) {
diff --git a/compat/setenv.c b/compat/setenv.c
index fc1439a643..7849f258d2 100644
--- a/compat/setenv.c
+++ b/compat/setenv.c
@@ -18,7 +18,7 @@ int gitsetenv(const char *name, const char *value, int replace)
namelen = strlen(name);
valuelen = strlen(value);
- envstr = malloc((namelen + valuelen + 2));
+ envstr = malloc(st_add3(namelen, valuelen, 2));
if (!envstr) {
errno = ENOMEM;
return -1;
diff --git a/compat/terminal.c b/compat/terminal.c
index 313897d581..fa13ee672d 100644
--- a/compat/terminal.c
+++ b/compat/terminal.c
@@ -122,7 +122,7 @@ char *git_terminal_prompt(const char *prompt, int echo)
fputs(prompt, output_fh);
fflush(output_fh);
- r = strbuf_getline(&buf, input_fh, '\n');
+ r = strbuf_getline_lf(&buf, input_fh);
if (!echo) {
putc('\n', output_fh);
fflush(output_fh);
diff --git a/compat/win32/pthread.h b/compat/win32/pthread.h
index 8ad187344f..20b35a283c 100644
--- a/compat/win32/pthread.h
+++ b/compat/win32/pthread.h
@@ -18,7 +18,10 @@
*/
#define pthread_mutex_t CRITICAL_SECTION
-#define pthread_mutex_init(a,b) (InitializeCriticalSection((a)), 0)
+static inline int return_0(int i) {
+ return 0;
+}
+#define pthread_mutex_init(a,b) return_0((InitializeCriticalSection((a)), 0))
#define pthread_mutex_destroy(a) DeleteCriticalSection((a))
#define pthread_mutex_lock EnterCriticalSection
#define pthread_mutex_unlock LeaveCriticalSection
@@ -77,7 +80,7 @@ extern pthread_t pthread_self(void);
static inline int pthread_exit(void *ret)
{
- ExitThread((DWORD)ret);
+ ExitThread((DWORD)(intptr_t)ret);
}
typedef DWORD pthread_key_t;
diff --git a/compat/win32/syslog.c b/compat/win32/syslog.c
index d015e436d5..b905aea31b 100644
--- a/compat/win32/syslog.c
+++ b/compat/win32/syslog.c
@@ -32,7 +32,7 @@ void syslog(int priority, const char *fmt, ...)
return;
}
- str = malloc(str_len + 1);
+ str = malloc(st_add(str_len, 1));
if (!str) {
warning("malloc failed: '%s'", strerror(errno));
return;
@@ -43,7 +43,7 @@ void syslog(int priority, const char *fmt, ...)
va_end(ap);
while ((pos = strstr(str, "%1")) != NULL) {
- str = realloc(str, ++str_len + 1);
+ str = realloc(str, st_add(++str_len, 1));
if (!str) {
warning("realloc failed: '%s'", strerror(errno));
return;
diff --git a/compat/winansi.c b/compat/winansi.c
index ceff55bd67..5dfa5ed61f 100644
--- a/compat/winansi.c
+++ b/compat/winansi.c
@@ -23,6 +23,7 @@ static HANDLE hthread, hread, hwrite;
static HANDLE hconsole1, hconsole2;
#ifdef __MINGW32__
+#if !defined(__MINGW64_VERSION_MAJOR) || __MINGW64_VERSION_MAJOR < 5
typedef struct _CONSOLE_FONT_INFOEX {
ULONG cbSize;
DWORD nFont;
@@ -32,6 +33,7 @@ typedef struct _CONSOLE_FONT_INFOEX {
WCHAR FaceName[LF_FACESIZE];
} CONSOLE_FONT_INFOEX, *PCONSOLE_FONT_INFOEX;
#endif
+#endif
typedef BOOL (WINAPI *PGETCURRENTCONSOLEFONTEX)(HANDLE, BOOL,
PCONSOLE_FONT_INFOEX);
@@ -452,7 +454,8 @@ static HANDLE duplicate_handle(HANDLE hnd)
HANDLE hresult, hproc = GetCurrentProcess();
if (!DuplicateHandle(hproc, hnd, hproc, &hresult, 0, TRUE,
DUPLICATE_SAME_ACCESS))
- die_lasterr("DuplicateHandle(%li) failed", (long) hnd);
+ die_lasterr("DuplicateHandle(%li) failed",
+ (long) (intptr_t) hnd);
return hresult;
}