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-rw-r--r--compat/apple-common-crypto.h16
-rw-r--r--compat/bswap.h60
-rw-r--r--compat/cygwin.c19
-rw-r--r--compat/cygwin.h2
-rw-r--r--compat/fopen.c4
-rw-r--r--compat/mingw.c282
-rw-r--r--compat/mingw.h31
-rw-r--r--compat/nedmalloc/nedmalloc.c25
-rw-r--r--compat/obstack.c5
-rw-r--r--compat/obstack.h5
-rw-r--r--compat/poll/poll.c7
-rw-r--r--compat/poll/poll.h3
-rw-r--r--compat/precompose_utf8.c3
-rw-r--r--compat/qsort_s.c69
-rw-r--r--compat/regex/regcomp.c7
-rw-r--r--compat/regex/regex.c6
-rw-r--r--compat/regex/regex.h5
-rw-r--r--compat/regex/regex_internal.c9
-rw-r--r--compat/regex/regex_internal.h5
-rw-r--r--compat/regex/regexec.c9
-rw-r--r--compat/snprintf.c2
-rw-r--r--compat/strdup.c11
-rw-r--r--compat/vcbuild/include/unistd.h4
-rw-r--r--compat/win32/lazyload.h57
-rw-r--r--compat/win32/pthread.h7
-rw-r--r--compat/win32/syslog.c8
-rw-r--r--compat/win32mmap.c31
-rw-r--r--compat/winansi.c200
28 files changed, 600 insertions, 292 deletions
diff --git a/compat/apple-common-crypto.h b/compat/apple-common-crypto.h
index d3fb264181..11727f3e1e 100644
--- a/compat/apple-common-crypto.h
+++ b/compat/apple-common-crypto.h
@@ -3,12 +3,18 @@
#define HEADER_HMAC_H
#define HEADER_SHA_H
#include <CommonCrypto/CommonHMAC.h>
-#define HMAC_CTX CCHmacContext
-#define HMAC_Init(hmac, key, len, algo) CCHmacInit(hmac, algo, key, len)
-#define HMAC_Update CCHmacUpdate
-#define HMAC_Final(hmac, hash, ptr) CCHmacFinal(hmac, hash)
-#define HMAC_CTX_cleanup(ignore)
#define EVP_md5(...) kCCHmacAlgMD5
+/* CCHmac doesn't take md_len and the return type is void */
+#define HMAC git_CC_HMAC
+static inline unsigned char *git_CC_HMAC(CCHmacAlgorithm alg,
+ const void *key, int key_len,
+ const unsigned char *data, size_t data_len,
+ unsigned char *md, unsigned int *md_len)
+{
+ CCHmac(alg, key, key_len, data, data_len, md);
+ return md;
+}
+
#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1070
#define APPLE_LION_OR_NEWER
#include <Security/Security.h>
diff --git a/compat/bswap.h b/compat/bswap.h
index d47c003544..5078ce5ecc 100644
--- a/compat/bswap.h
+++ b/compat/bswap.h
@@ -158,23 +158,55 @@ static inline uint64_t git_bswap64(uint64_t x)
#define get_be16(p) ntohs(*(unsigned short *)(p))
#define get_be32(p) ntohl(*(unsigned int *)(p))
+#define get_be64(p) ntohll(*(uint64_t *)(p))
#define put_be32(p, v) do { *(unsigned int *)(p) = htonl(v); } while (0)
+#define put_be64(p, v) do { *(uint64_t *)(p) = htonll(v); } while (0)
#else
-#define get_be16(p) ( \
- (*((unsigned char *)(p) + 0) << 8) | \
- (*((unsigned char *)(p) + 1) << 0) )
-#define get_be32(p) ( \
- (*((unsigned char *)(p) + 0) << 24) | \
- (*((unsigned char *)(p) + 1) << 16) | \
- (*((unsigned char *)(p) + 2) << 8) | \
- (*((unsigned char *)(p) + 3) << 0) )
-#define put_be32(p, v) do { \
- unsigned int __v = (v); \
- *((unsigned char *)(p) + 0) = __v >> 24; \
- *((unsigned char *)(p) + 1) = __v >> 16; \
- *((unsigned char *)(p) + 2) = __v >> 8; \
- *((unsigned char *)(p) + 3) = __v >> 0; } while (0)
+static inline uint16_t get_be16(const void *ptr)
+{
+ const unsigned char *p = ptr;
+ return (uint16_t)p[0] << 8 |
+ (uint16_t)p[1] << 0;
+}
+
+static inline uint32_t get_be32(const void *ptr)
+{
+ const unsigned char *p = ptr;
+ return (uint32_t)p[0] << 24 |
+ (uint32_t)p[1] << 16 |
+ (uint32_t)p[2] << 8 |
+ (uint32_t)p[3] << 0;
+}
+
+static inline uint64_t get_be64(const void *ptr)
+{
+ const unsigned char *p = ptr;
+ return (uint64_t)get_be32(&p[0]) << 32 |
+ (uint64_t)get_be32(&p[4]) << 0;
+}
+
+static inline void put_be32(void *ptr, uint32_t value)
+{
+ unsigned char *p = ptr;
+ p[0] = value >> 24;
+ p[1] = value >> 16;
+ p[2] = value >> 8;
+ p[3] = value >> 0;
+}
+
+static inline void put_be64(void *ptr, uint64_t value)
+{
+ unsigned char *p = ptr;
+ p[0] = value >> 56;
+ p[1] = value >> 48;
+ p[2] = value >> 40;
+ p[3] = value >> 32;
+ p[4] = value >> 24;
+ p[5] = value >> 16;
+ p[6] = value >> 8;
+ p[7] = value >> 0;
+}
#endif
diff --git a/compat/cygwin.c b/compat/cygwin.c
new file mode 100644
index 0000000000..b9862d606d
--- /dev/null
+++ b/compat/cygwin.c
@@ -0,0 +1,19 @@
+#include "../git-compat-util.h"
+#include "../cache.h"
+
+int cygwin_offset_1st_component(const char *path)
+{
+ const char *pos = path;
+ /* unc paths */
+ if (is_dir_sep(pos[0]) && is_dir_sep(pos[1])) {
+ /* skip server name */
+ pos = strchr(pos + 2, '/');
+ if (!pos)
+ return 0; /* Error: malformed unc path */
+
+ do {
+ pos++;
+ } while (*pos && pos[0] != '/');
+ }
+ return pos + is_dir_sep(*pos) - path;
+}
diff --git a/compat/cygwin.h b/compat/cygwin.h
new file mode 100644
index 0000000000..8e52de4644
--- /dev/null
+++ b/compat/cygwin.h
@@ -0,0 +1,2 @@
+int cygwin_offset_1st_component(const char *path);
+#define offset_1st_component cygwin_offset_1st_component
diff --git a/compat/fopen.c b/compat/fopen.c
index b5ca142fed..107b3e8182 100644
--- a/compat/fopen.c
+++ b/compat/fopen.c
@@ -1,14 +1,14 @@
/*
* The order of the following two lines is important.
*
- * FREAD_READS_DIRECTORIES is undefined before including git-compat-util.h
+ * SUPPRESS_FOPEN_REDEFINITION is defined before including git-compat-util.h
* to avoid the redefinition of fopen within git-compat-util.h. This is
* necessary since fopen is a macro on some platforms which may be set
* based on compiler options. For example, on AIX fopen is set to fopen64
* when _LARGE_FILES is defined. The previous technique of merely undefining
* fopen after including git-compat-util.h is inadequate in this case.
*/
-#undef FREAD_READS_DIRECTORIES
+#define SUPPRESS_FOPEN_REDEFINITION
#include "../git-compat-util.h"
FILE *git_fopen(const char *path, const char *mode)
diff --git a/compat/mingw.c b/compat/mingw.c
index 54c82ecf20..2d44d21aca 100644
--- a/compat/mingw.c
+++ b/compat/mingw.c
@@ -286,6 +286,49 @@ int mingw_rmdir(const char *pathname)
return ret;
}
+static inline int needs_hiding(const char *path)
+{
+ const char *basename;
+
+ if (hide_dotfiles == HIDE_DOTFILES_FALSE)
+ return 0;
+
+ /* We cannot use basename(), as it would remove trailing slashes */
+ mingw_skip_dos_drive_prefix((char **)&path);
+ if (!*path)
+ return 0;
+
+ for (basename = path; *path; path++)
+ if (is_dir_sep(*path)) {
+ do {
+ path++;
+ } while (is_dir_sep(*path));
+ /* ignore trailing slashes */
+ if (*path)
+ basename = path;
+ }
+
+ if (hide_dotfiles == HIDE_DOTFILES_TRUE)
+ return *basename == '.';
+
+ assert(hide_dotfiles == HIDE_DOTFILES_DOTGITONLY);
+ return !strncasecmp(".git", basename, 4) &&
+ (!basename[4] || is_dir_sep(basename[4]));
+}
+
+static int set_hidden_flag(const wchar_t *path, int set)
+{
+ DWORD original = GetFileAttributesW(path), modified;
+ if (set)
+ modified = original | FILE_ATTRIBUTE_HIDDEN;
+ else
+ modified = original & ~FILE_ATTRIBUTE_HIDDEN;
+ if (original == modified || SetFileAttributesW(path, modified))
+ return 0;
+ errno = err_win_to_posix(GetLastError());
+ return -1;
+}
+
int mingw_mkdir(const char *path, int mode)
{
int ret;
@@ -293,6 +336,8 @@ int mingw_mkdir(const char *path, int mode)
if (xutftowcs_path(wpath, path) < 0)
return -1;
ret = _wmkdir(wpath);
+ if (!ret && needs_hiding(path))
+ return set_hidden_flag(wpath, 1);
return ret;
}
@@ -319,6 +364,21 @@ int mingw_open (const char *filename, int oflags, ...)
if (attrs != INVALID_FILE_ATTRIBUTES && (attrs & FILE_ATTRIBUTE_DIRECTORY))
errno = EISDIR;
}
+ if ((oflags & O_CREAT) && needs_hiding(filename)) {
+ /*
+ * Internally, _wopen() uses the CreateFile() API which errors
+ * out with an ERROR_ACCESS_DENIED if CREATE_ALWAYS was
+ * specified and an already existing file's attributes do not
+ * match *exactly*. As there is no mode or flag we can set that
+ * would correspond to FILE_ATTRIBUTE_HIDDEN, let's just try
+ * again *without* the O_CREAT flag (that corresponds to the
+ * CREATE_ALWAYS flag of CreateFile()).
+ */
+ if (fd < 0 && errno == EACCES)
+ fd = _wopen(wfilename, oflags & ~O_CREAT, mode);
+ if (fd >= 0 && set_hidden_flag(wfilename, 1))
+ warning("could not mark '%s' as hidden.", filename);
+ }
return fd;
}
@@ -350,6 +410,7 @@ int mingw_fgetc(FILE *stream)
#undef fopen
FILE *mingw_fopen (const char *filename, const char *otype)
{
+ int hide = needs_hiding(filename);
FILE *file;
wchar_t wfilename[MAX_PATH], wotype[4];
if (filename && !strcmp(filename, "/dev/null"))
@@ -357,12 +418,21 @@ FILE *mingw_fopen (const char *filename, const char *otype)
if (xutftowcs_path(wfilename, filename) < 0 ||
xutftowcs(wotype, otype, ARRAY_SIZE(wotype)) < 0)
return NULL;
+ if (hide && !access(filename, F_OK) && set_hidden_flag(wfilename, 0)) {
+ error("could not unhide %s", filename);
+ return NULL;
+ }
file = _wfopen(wfilename, wotype);
+ if (!file && GetLastError() == ERROR_INVALID_NAME)
+ errno = ENOENT;
+ if (file && hide && set_hidden_flag(wfilename, 1))
+ warning("could not mark '%s' as hidden.", filename);
return file;
}
FILE *mingw_freopen (const char *filename, const char *otype, FILE *stream)
{
+ int hide = needs_hiding(filename);
FILE *file;
wchar_t wfilename[MAX_PATH], wotype[4];
if (filename && !strcmp(filename, "/dev/null"))
@@ -370,7 +440,13 @@ FILE *mingw_freopen (const char *filename, const char *otype, FILE *stream)
if (xutftowcs_path(wfilename, filename) < 0 ||
xutftowcs(wotype, otype, ARRAY_SIZE(wotype)) < 0)
return NULL;
+ if (hide && !access(filename, F_OK) && set_hidden_flag(wfilename, 0)) {
+ error("could not unhide %s", filename);
+ return NULL;
+ }
file = _wfreopen(wfilename, wotype, stream);
+ if (file && hide && set_hidden_flag(wfilename, 1))
+ warning("could not mark '%s' as hidden.", filename);
return file;
}
@@ -763,15 +839,12 @@ struct tm *localtime_r(const time_t *timep, struct tm *result)
char *mingw_getcwd(char *pointer, int len)
{
- int i;
wchar_t wpointer[MAX_PATH];
if (!_wgetcwd(wpointer, ARRAY_SIZE(wpointer)))
return NULL;
if (xwcstoutf(pointer, wpointer, len) < 0)
return NULL;
- for (i = 0; pointer[i]; i++)
- if (pointer[i] == '\\')
- pointer[i] = '/';
+ convert_slashes(pointer);
return pointer;
}
@@ -870,64 +943,14 @@ static const char *parse_interpreter(const char *cmd)
}
/*
- * Splits the PATH into parts.
- */
-static char **get_path_split(void)
-{
- char *p, **path, *envpath = mingw_getenv("PATH");
- int i, n = 0;
-
- if (!envpath || !*envpath)
- return NULL;
-
- envpath = xstrdup(envpath);
- p = envpath;
- while (p) {
- char *dir = p;
- p = strchr(p, ';');
- if (p) *p++ = '\0';
- if (*dir) { /* not earlier, catches series of ; */
- ++n;
- }
- }
- if (!n)
- return NULL;
-
- ALLOC_ARRAY(path, n + 1);
- p = envpath;
- i = 0;
- do {
- if (*p)
- path[i++] = xstrdup(p);
- p = p+strlen(p)+1;
- } while (i < n);
- path[i] = NULL;
-
- free(envpath);
-
- return path;
-}
-
-static void free_path_split(char **path)
-{
- char **p = path;
-
- if (!path)
- return;
-
- while (*p)
- free(*p++);
- free(path);
-}
-
-/*
* exe_only means that we only want to detect .exe files, but not scripts
* (which do not have an extension)
*/
-static char *lookup_prog(const char *dir, const char *cmd, int isexe, int exe_only)
+static char *lookup_prog(const char *dir, int dirlen, const char *cmd,
+ int isexe, int exe_only)
{
char path[MAX_PATH];
- snprintf(path, sizeof(path), "%s/%s.exe", dir, cmd);
+ snprintf(path, sizeof(path), "%.*s\\%s.exe", dirlen, dir, cmd);
if (!isexe && access(path, F_OK) == 0)
return xstrdup(path);
@@ -942,17 +965,29 @@ static char *lookup_prog(const char *dir, const char *cmd, int isexe, int exe_on
* Determines the absolute path of cmd using the split path in path.
* If cmd contains a slash or backslash, no lookup is performed.
*/
-static char *path_lookup(const char *cmd, char **path, int exe_only)
+static char *path_lookup(const char *cmd, int exe_only)
{
+ const char *path;
char *prog = NULL;
int len = strlen(cmd);
int isexe = len >= 4 && !strcasecmp(cmd+len-4, ".exe");
if (strchr(cmd, '/') || strchr(cmd, '\\'))
- prog = xstrdup(cmd);
+ return xstrdup(cmd);
- while (!prog && *path)
- prog = lookup_prog(*path++, cmd, isexe, exe_only);
+ path = mingw_getenv("PATH");
+ if (!path)
+ return NULL;
+
+ while (!prog) {
+ const char *sep = strchrnul(path, ';');
+ int dirlen = sep - path;
+ if (dirlen)
+ prog = lookup_prog(path, dirlen, cmd, isexe, exe_only);
+ if (!*sep)
+ break;
+ path = sep + 1;
+ }
return prog;
}
@@ -1119,8 +1154,7 @@ pid_t mingw_spawnvpe(const char *cmd, const char **argv, char **deltaenv,
int fhin, int fhout, int fherr)
{
pid_t pid;
- char **path = get_path_split();
- char *prog = path_lookup(cmd, path, 0);
+ char *prog = path_lookup(cmd, 0);
if (!prog) {
errno = ENOENT;
@@ -1131,7 +1165,7 @@ pid_t mingw_spawnvpe(const char *cmd, const char **argv, char **deltaenv,
if (interpr) {
const char *argv0 = argv[0];
- char *iprog = path_lookup(interpr, path, 1);
+ char *iprog = path_lookup(interpr, 1);
argv[0] = prog;
if (!iprog) {
errno = ENOENT;
@@ -1149,21 +1183,18 @@ pid_t mingw_spawnvpe(const char *cmd, const char **argv, char **deltaenv,
fhin, fhout, fherr);
free(prog);
}
- free_path_split(path);
return pid;
}
static int try_shell_exec(const char *cmd, char *const *argv)
{
const char *interpr = parse_interpreter(cmd);
- char **path;
char *prog;
int pid = 0;
if (!interpr)
return 0;
- path = get_path_split();
- prog = path_lookup(interpr, path, 1);
+ prog = path_lookup(interpr, 1);
if (prog) {
int argc = 0;
const char **argv2;
@@ -1182,7 +1213,6 @@ static int try_shell_exec(const char *cmd, char *const *argv)
free(prog);
free(argv2);
}
- free_path_split(path);
return pid;
}
@@ -1204,8 +1234,7 @@ int mingw_execv(const char *cmd, char *const *argv)
int mingw_execvp(const char *cmd, char *const *argv)
{
- char **path = get_path_split();
- char *prog = path_lookup(cmd, path, 0);
+ char *prog = path_lookup(cmd, 0);
if (prog) {
mingw_execv(prog, argv);
@@ -1213,7 +1242,6 @@ int mingw_execvp(const char *cmd, char *const *argv)
} else
errno = ENOENT;
- free_path_split(path);
return -1;
}
@@ -1859,48 +1887,6 @@ int mingw_raise(int sig)
}
}
-
-static const char *make_backslash_path(const char *path)
-{
- static char buf[PATH_MAX + 1];
- char *c;
-
- if (strlcpy(buf, path, PATH_MAX) >= PATH_MAX)
- die("Too long path: %.*s", 60, path);
-
- for (c = buf; *c; c++) {
- if (*c == '/')
- *c = '\\';
- }
- return buf;
-}
-
-void mingw_open_html(const char *unixpath)
-{
- const char *htmlpath = make_backslash_path(unixpath);
- typedef HINSTANCE (WINAPI *T)(HWND, const char *,
- const char *, const char *, const char *, INT);
- T ShellExecute;
- HMODULE shell32;
- int r;
-
- shell32 = LoadLibrary("shell32.dll");
- if (!shell32)
- die("cannot load shell32.dll");
- ShellExecute = (T)GetProcAddress(shell32, "ShellExecuteA");
- if (!ShellExecute)
- die("cannot run browser");
-
- printf("Launching default browser to display HTML ...\n");
- 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) {
- die("failed to launch browser for %.*s", MAX_PATH, unixpath);
- }
-}
-
int link(const char *oldpath, const char *newpath)
{
typedef BOOL (WINAPI *T)(LPCWSTR, LPCWSTR, LPSECURITY_ATTRIBUTES);
@@ -2091,7 +2077,7 @@ int xwcstoutf(char *utf, const wchar_t *wcs, size_t utflen)
return -1;
}
-static void setup_windows_environment()
+static void setup_windows_environment(void)
{
char *tmp = getenv("TMPDIR");
@@ -2112,9 +2098,7 @@ static void setup_windows_environment()
* executable (by not mistaking the dir separators
* for escape characters).
*/
- for (; *tmp; tmp++)
- if (*tmp == '\\')
- *tmp = '/';
+ convert_slashes(tmp);
}
/* simulate TERM to enable auto-color (see color.c) */
@@ -2135,7 +2119,7 @@ typedef struct {
extern int __wgetmainargs(int *argc, wchar_t ***argv, wchar_t ***env, int glob,
_startupinfo *si);
-static NORETURN void die_startup()
+static NORETURN void die_startup(void)
{
fputs("fatal: not enough memory for initialization", stderr);
exit(128);
@@ -2155,13 +2139,71 @@ static char *wcstoutfdup_startup(char *buffer, const wchar_t *wcs, size_t len)
return memcpy(malloc_startup(len), buffer, len);
}
-void mingw_startup()
+static void maybe_redirect_std_handle(const wchar_t *key, DWORD std_id, int fd,
+ DWORD desired_access, DWORD flags)
+{
+ DWORD create_flag = fd ? OPEN_ALWAYS : OPEN_EXISTING;
+ wchar_t buf[MAX_PATH];
+ DWORD max = ARRAY_SIZE(buf);
+ HANDLE handle;
+ DWORD ret = GetEnvironmentVariableW(key, buf, max);
+
+ if (!ret || ret >= max)
+ return;
+
+ /* make sure this does not leak into child processes */
+ SetEnvironmentVariableW(key, NULL);
+ if (!wcscmp(buf, L"off")) {
+ close(fd);
+ handle = GetStdHandle(std_id);
+ if (handle != INVALID_HANDLE_VALUE)
+ CloseHandle(handle);
+ return;
+ }
+ if (std_id == STD_ERROR_HANDLE && !wcscmp(buf, L"2>&1")) {
+ handle = GetStdHandle(STD_OUTPUT_HANDLE);
+ if (handle == INVALID_HANDLE_VALUE) {
+ close(fd);
+ handle = GetStdHandle(std_id);
+ if (handle != INVALID_HANDLE_VALUE)
+ CloseHandle(handle);
+ } else {
+ int new_fd = _open_osfhandle((intptr_t)handle, O_BINARY);
+ SetStdHandle(std_id, handle);
+ dup2(new_fd, fd);
+ /* do *not* close the new_fd: that would close stdout */
+ }
+ return;
+ }
+ handle = CreateFileW(buf, desired_access, 0, NULL, create_flag,
+ flags, NULL);
+ if (handle != INVALID_HANDLE_VALUE) {
+ int new_fd = _open_osfhandle((intptr_t)handle, O_BINARY);
+ SetStdHandle(std_id, handle);
+ dup2(new_fd, fd);
+ close(new_fd);
+ }
+}
+
+static void maybe_redirect_std_handles(void)
+{
+ maybe_redirect_std_handle(L"GIT_REDIRECT_STDIN", STD_INPUT_HANDLE, 0,
+ GENERIC_READ, FILE_ATTRIBUTE_NORMAL);
+ maybe_redirect_std_handle(L"GIT_REDIRECT_STDOUT", STD_OUTPUT_HANDLE, 1,
+ GENERIC_WRITE, FILE_ATTRIBUTE_NORMAL);
+ maybe_redirect_std_handle(L"GIT_REDIRECT_STDERR", STD_ERROR_HANDLE, 2,
+ GENERIC_WRITE, FILE_FLAG_NO_BUFFERING);
+}
+
+void mingw_startup(void)
{
int i, maxlen, argc;
char *buffer;
wchar_t **wenv, **wargv;
_startupinfo si;
+ maybe_redirect_std_handles();
+
/* get wide char arguments and environment */
si.newmode = 0;
if (__wgetmainargs(&argc, &wargv, &wenv, _CRT_glob, &si) < 0)
diff --git a/compat/mingw.h b/compat/mingw.h
index c008694639..e03aecfe2e 100644
--- a/compat/mingw.h
+++ b/compat/mingw.h
@@ -67,12 +67,19 @@ typedef int pid_t;
#define F_SETFD 2
#define FD_CLOEXEC 0x1
+#if !defined O_CLOEXEC && defined O_NOINHERIT
+#define O_CLOEXEC O_NOINHERIT
+#endif
+
#ifndef EAFNOSUPPORT
#define EAFNOSUPPORT WSAEAFNOSUPPORT
#endif
#ifndef ECONNABORTED
#define ECONNABORTED WSAECONNABORTED
#endif
+#ifndef ENOTSOCK
+#define ENOTSOCK WSAENOTSOCK
+#endif
struct passwd {
char *pw_name;
@@ -142,6 +149,7 @@ static inline int fcntl(int fd, int cmd, ...)
#define sigemptyset(x) (void)0
static inline int sigaddset(sigset_t *set, int signum)
{ return 0; }
+#define SIG_BLOCK 0
#define SIG_UNBLOCK 0
static inline int sigprocmask(int how, const sigset_t *set, sigset_t *oldset)
{ return 0; }
@@ -376,6 +384,9 @@ int mingw_raise(int sig);
* ANSI emulation wrappers
*/
+int winansi_isatty(int fd);
+#define isatty winansi_isatty
+
void winansi_init(void);
HANDLE winansi_get_osfhandle(int fd);
@@ -387,7 +398,11 @@ HANDLE winansi_get_osfhandle(int fd);
(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 int mingw_is_dir_sep(int c)
+{
+ return c == '/' || c == '\\';
+}
+#define is_dir_sep mingw_is_dir_sep
static inline char *mingw_find_last_dir_sep(const char *path)
{
char *ret = NULL;
@@ -406,19 +421,13 @@ static inline void convert_slashes(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
+#if !defined(__MINGW64_VERSION_MAJOR) && (!defined(_MSC_VER) || _MSC_VER < 1800)
#define PRIuMAX "I64u"
#define PRId64 "I64d"
#else
#include <inttypes.h>
#endif
-void mingw_open_html(const char *path);
-#define open_html mingw_open_html
-
-void mingw_mark_as_git_dir(const char *dir);
-#define mark_as_git_dir mingw_mark_as_git_dir
-
/**
* Converts UTF-8 encoded string to UTF-16LE.
*
@@ -534,10 +543,10 @@ extern CRITICAL_SECTION pinfo_cs;
* A replacement of main() that adds win32 specific initialization.
*/
-void mingw_startup();
-#define main(c,v) dummy_decl_mingw_main(); \
+void mingw_startup(void);
+#define main(c,v) dummy_decl_mingw_main(void); \
static int mingw_main(c,v); \
-int main(int argc, char **argv) \
+int main(int argc, const char **argv) \
{ \
mingw_startup(); \
return mingw_main(__argc, (void *)__argv); \
diff --git a/compat/nedmalloc/nedmalloc.c b/compat/nedmalloc/nedmalloc.c
index a0a16eb1bb..1cc31c3502 100644
--- a/compat/nedmalloc/nedmalloc.c
+++ b/compat/nedmalloc/nedmalloc.c
@@ -938,33 +938,16 @@ void **nedpindependent_comalloc(nedpool *p, size_t elems, size_t *sizes, void **
void **ret;
threadcache *tc;
int mymspace;
- size_t i, *adjustedsizes=(size_t *) alloca(elems*sizeof(size_t));
- if(!adjustedsizes) return 0;
- for(i=0; i<elems; i++)
- adjustedsizes[i]=sizes[i]<sizeof(threadcacheblk) ? sizeof(threadcacheblk) : sizes[i];
+ size_t i, *adjustedsizes=(size_t *) alloca(elems*sizeof(size_t));
+ if(!adjustedsizes) return 0;
+ for(i=0; i<elems; i++)
+ adjustedsizes[i]=sizes[i]<sizeof(threadcacheblk) ? sizeof(threadcacheblk) : sizes[i];
GetThreadCache(&p, &tc, &mymspace, 0);
GETMSPACE(m, p, tc, mymspace, 0,
ret=mspace_independent_comalloc(m, elems, adjustedsizes, chunks));
return ret;
}
-#ifdef OVERRIDE_STRDUP
-/*
- * This implementation is purely there to override the libc version, to
- * avoid a crash due to allocation and free on different 'heaps'.
- */
-char *strdup(const char *s1)
-{
- char *s2 = 0;
- if (s1) {
- size_t len = strlen(s1) + 1;
- s2 = malloc(len);
- memcpy(s2, s1, len);
- }
- return s2;
-}
-#endif
-
#if defined(__cplusplus)
}
#endif
diff --git a/compat/obstack.c b/compat/obstack.c
index e276ccd7b3..4d1d95beeb 100644
--- a/compat/obstack.c
+++ b/compat/obstack.c
@@ -14,9 +14,8 @@
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA. */
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
#include "git-compat-util.h"
#include <gettext.h>
diff --git a/compat/obstack.h b/compat/obstack.h
index ceb4bdbcdd..6bc24b7644 100644
--- a/compat/obstack.h
+++ b/compat/obstack.h
@@ -14,9 +14,8 @@
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA. */
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
/* Summary:
diff --git a/compat/poll/poll.c b/compat/poll/poll.c
index b10adc780f..7ed3fbbea1 100644
--- a/compat/poll/poll.c
+++ b/compat/poll/poll.c
@@ -16,8 +16,7 @@
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
- with this program; if not, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+ with this program; if not, see <http://www.gnu.org/licenses/>. */
/* Tell gcc not to warn about the (nfd < 0) tests, below. */
#if (__GNUC__ == 4 && 3 <= __GNUC_MINOR__) || 4 < __GNUC__
@@ -438,6 +437,10 @@ poll (struct pollfd *pfd, nfds_t nfd, int timeout)
pfd[i].revents = happened;
rc++;
}
+ else
+ {
+ pfd[i].revents = 0;
+ }
}
return rc;
diff --git a/compat/poll/poll.h b/compat/poll/poll.h
index b7aa59d973..cd1995292a 100644
--- a/compat/poll/poll.h
+++ b/compat/poll/poll.h
@@ -16,8 +16,7 @@
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
- with this program; if not, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+ with this program; if not, see <http://www.gnu.org/licenses/>. */
#ifndef _GL_POLL_H
#define _GL_POLL_H
diff --git a/compat/precompose_utf8.c b/compat/precompose_utf8.c
index dfbe6d8408..de61c15d34 100644
--- a/compat/precompose_utf8.c
+++ b/compat/precompose_utf8.c
@@ -6,6 +6,7 @@
#define PRECOMPOSE_UNICODE_C
#include "cache.h"
+#include "config.h"
#include "utf8.h"
#include "precompose_utf8.h"
@@ -147,7 +148,7 @@ struct dirent_prec_psx *precompose_utf8_readdir(PREC_DIR *prec_dir)
if (errno || inleft) {
/*
* iconv() failed and errno could be E2BIG, EILSEQ, EINVAL, EBADF
- * MacOS X avoids illegal byte sequemces.
+ * MacOS X avoids illegal byte sequences.
* If they occur on a mounted drive (e.g. NFS) it is not worth to
* die() for that, but rather let the user see the original name
*/
diff --git a/compat/qsort_s.c b/compat/qsort_s.c
new file mode 100644
index 0000000000..52d1f0a73d
--- /dev/null
+++ b/compat/qsort_s.c
@@ -0,0 +1,69 @@
+#include "../git-compat-util.h"
+
+/*
+ * A merge sort implementation, simplified from the qsort implementation
+ * by Mike Haertel, which is a part of the GNU C Library.
+ * Added context pointer, safety checks and return value.
+ */
+
+static void msort_with_tmp(void *b, size_t n, size_t s,
+ int (*cmp)(const void *, const void *, void *),
+ char *t, void *ctx)
+{
+ char *tmp;
+ char *b1, *b2;
+ size_t n1, n2;
+
+ if (n <= 1)
+ return;
+
+ n1 = n / 2;
+ n2 = n - n1;
+ b1 = b;
+ b2 = (char *)b + (n1 * s);
+
+ msort_with_tmp(b1, n1, s, cmp, t, ctx);
+ msort_with_tmp(b2, n2, s, cmp, t, ctx);
+
+ tmp = t;
+
+ while (n1 > 0 && n2 > 0) {
+ if (cmp(b1, b2, ctx) <= 0) {
+ memcpy(tmp, b1, s);
+ tmp += s;
+ b1 += s;
+ --n1;
+ } else {
+ memcpy(tmp, b2, s);
+ tmp += s;
+ b2 += s;
+ --n2;
+ }
+ }
+ if (n1 > 0)
+ memcpy(tmp, b1, n1 * s);
+ memcpy(b, t, (n - n2) * s);
+}
+
+int git_qsort_s(void *b, size_t n, size_t s,
+ int (*cmp)(const void *, const void *, void *), void *ctx)
+{
+ const size_t size = st_mult(n, s);
+ char buf[1024];
+
+ if (!n)
+ return 0;
+ if (!b || !cmp)
+ return -1;
+
+ if (size < sizeof(buf)) {
+ /* The temporary array fits on the small on-stack buffer. */
+ msort_with_tmp(b, n, s, cmp, buf, ctx);
+ } else {
+ /* It's somewhat large, so malloc it. */
+ char *tmp = xmalloc(size);
+ msort_with_tmp(b, n, s, cmp, tmp, ctx);
+ free(tmp);
+ }
+ return 0;
+}
diff --git a/compat/regex/regcomp.c b/compat/regex/regcomp.c
index fba5986399..51cd60baa3 100644
--- a/compat/regex/regcomp.c
+++ b/compat/regex/regcomp.c
@@ -14,11 +14,8 @@
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- 02110-1301 USA. */
-
-#include <stdint.h>
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
static reg_errcode_t re_compile_internal (regex_t *preg, const char * pattern,
size_t length, reg_syntax_t syntax);
diff --git a/compat/regex/regex.c b/compat/regex/regex.c
index 6aaae00327..f3e03a9eab 100644
--- a/compat/regex/regex.c
+++ b/compat/regex/regex.c
@@ -14,9 +14,8 @@
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- 02110-1301 USA. */
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
#include "config.h"
@@ -60,6 +59,7 @@
GNU regex allows. Include it before <regex.h>, which correctly
#undefs RE_DUP_MAX and sets it to the right value. */
#include <limits.h>
+#include <stdint.h>
#ifdef GAWK
#undef alloca
diff --git a/compat/regex/regex.h b/compat/regex/regex.h
index 61c9683872..4d81358a83 100644
--- a/compat/regex/regex.h
+++ b/compat/regex/regex.h
@@ -18,9 +18,8 @@
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- 02110-1301 USA. */
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
#ifndef _REGEX_H
#define _REGEX_H 1
diff --git a/compat/regex/regex_internal.c b/compat/regex/regex_internal.c
index d4121f2f4f..59bf151336 100644
--- a/compat/regex/regex_internal.c
+++ b/compat/regex/regex_internal.c
@@ -14,9 +14,8 @@
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- 02110-1301 USA. */
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
static void re_string_construct_common (const char *str, int len,
re_string_t *pstr,
@@ -613,7 +612,7 @@ re_string_reconstruct (re_string_t *pstr, int idx, int eflags)
int low = 0, high = pstr->valid_len, mid;
do
{
- mid = (high + low) / 2;
+ mid = low + (high - low) / 2;
if (pstr->offsets[mid] > offset)
high = mid;
else if (pstr->offsets[mid] < offset)
@@ -1394,7 +1393,7 @@ re_node_set_contains (const re_node_set *set, int elem)
right = set->nelem - 1;
while (idx < right)
{
- mid = (idx + right) / 2;
+ mid = idx + (right - idx) / 2;
if (set->elems[mid] < elem)
idx = mid + 1;
else
diff --git a/compat/regex/regex_internal.h b/compat/regex/regex_internal.h
index 4184d7f5a6..3ee8aae59d 100644
--- a/compat/regex/regex_internal.h
+++ b/compat/regex/regex_internal.h
@@ -14,9 +14,8 @@
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
#ifndef _REGEX_INTERNAL_H
#define _REGEX_INTERNAL_H 1
diff --git a/compat/regex/regexec.c b/compat/regex/regexec.c
index eb5e1d4439..1b5d89fd5e 100644
--- a/compat/regex/regexec.c
+++ b/compat/regex/regexec.c
@@ -14,9 +14,8 @@
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- 02110-1301 USA. */
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
static reg_errcode_t match_ctx_init (re_match_context_t *cache, int eflags,
int n) internal_function;
@@ -4102,7 +4101,7 @@ extend_buffers (re_match_context_t *mctx)
if (BE (INT_MAX / 2 / sizeof (re_dfastate_t *) <= pstr->bufs_len, 0))
return REG_ESPACE;
- /* Double the lengthes of the buffers. */
+ /* Double the lengths of the buffers. */
ret = re_string_realloc_buffers (pstr, pstr->bufs_len * 2);
if (BE (ret != REG_NOERROR, 0))
return ret;
@@ -4284,7 +4283,7 @@ search_cur_bkref_entry (const re_match_context_t *mctx, int str_idx)
last = right = mctx->nbkref_ents;
for (left = 0; left < right;)
{
- mid = (left + right) / 2;
+ mid = left + (right - left) / 2;
if (mctx->bkref_ents[mid].str_idx < str_idx)
left = mid + 1;
else
diff --git a/compat/snprintf.c b/compat/snprintf.c
index 42ea1ac110..0b11688537 100644
--- a/compat/snprintf.c
+++ b/compat/snprintf.c
@@ -9,7 +9,7 @@
* always have room for a trailing NUL byte.
*/
#ifndef SNPRINTF_SIZE_CORR
-#if defined(WIN32) && (!defined(__GNUC__) || __GNUC__ < 4)
+#if defined(WIN32) && (!defined(__GNUC__) || __GNUC__ < 4) && (!defined(_MSC_VER) || _MSC_VER < 1900)
#define SNPRINTF_SIZE_CORR 1
#else
#define SNPRINTF_SIZE_CORR 0
diff --git a/compat/strdup.c b/compat/strdup.c
new file mode 100644
index 0000000000..f3fb978eb3
--- /dev/null
+++ b/compat/strdup.c
@@ -0,0 +1,11 @@
+#include "../git-compat-util.h"
+
+char *gitstrdup(const char *s1)
+{
+ size_t len = strlen(s1) + 1;
+ char *s2 = malloc(len);
+
+ if (s2)
+ memcpy(s2, s1, len);
+ return s2;
+}
diff --git a/compat/vcbuild/include/unistd.h b/compat/vcbuild/include/unistd.h
index c65c2cd566..3a959d124c 100644
--- a/compat/vcbuild/include/unistd.h
+++ b/compat/vcbuild/include/unistd.h
@@ -45,11 +45,15 @@ typedef unsigned long long uintmax_t;
typedef int64_t off64_t;
+#if !defined(_MSC_VER) || _MSC_VER < 1600
#define INTMAX_MIN _I64_MIN
#define INTMAX_MAX _I64_MAX
#define UINTMAX_MAX _UI64_MAX
#define UINT32_MAX 0xffffffff /* 4294967295U */
+#else
+#include <stdint.h>
+#endif
#define STDIN_FILENO 0
#define STDOUT_FILENO 1
diff --git a/compat/win32/lazyload.h b/compat/win32/lazyload.h
new file mode 100644
index 0000000000..9e631c8593
--- /dev/null
+++ b/compat/win32/lazyload.h
@@ -0,0 +1,57 @@
+#ifndef LAZYLOAD_H
+#define LAZYLOAD_H
+
+/*
+ * A pair of macros to simplify loading of DLL functions. Example:
+ *
+ * DECLARE_PROC_ADDR(kernel32.dll, BOOL, CreateHardLinkW,
+ * LPCWSTR, LPCWSTR, LPSECURITY_ATTRIBUTES);
+ *
+ * if (!INIT_PROC_ADDR(CreateHardLinkW))
+ * return error("Could not find CreateHardLinkW() function";
+ *
+ * if (!CreateHardLinkW(source, target, NULL))
+ * return error("could not create hardlink from %S to %S",
+ * source, target);
+ */
+
+struct proc_addr {
+ const char *const dll;
+ const char *const function;
+ FARPROC pfunction;
+ unsigned initialized : 1;
+};
+
+/* Declares a function to be loaded dynamically from a DLL. */
+#define DECLARE_PROC_ADDR(dll, rettype, function, ...) \
+ static struct proc_addr proc_addr_##function = \
+ { #dll, #function, NULL, 0 }; \
+ static rettype (WINAPI *function)(__VA_ARGS__)
+
+/*
+ * Loads a function from a DLL (once-only).
+ * Returns non-NULL function pointer on success.
+ * Returns NULL + errno == ENOSYS on failure.
+ * This function is not thread-safe.
+ */
+#define INIT_PROC_ADDR(function) \
+ (function = get_proc_addr(&proc_addr_##function))
+
+static inline void *get_proc_addr(struct proc_addr *proc)
+{
+ /* only do this once */
+ if (!proc->initialized) {
+ HANDLE hnd;
+ proc->initialized = 1;
+ hnd = LoadLibraryExA(proc->dll, NULL,
+ LOAD_LIBRARY_SEARCH_SYSTEM32);
+ if (hnd)
+ proc->pfunction = GetProcAddress(hnd, proc->function);
+ }
+ /* set ENOSYS if DLL or function was not found */
+ if (!proc->pfunction)
+ errno = ENOSYS;
+ return proc->pfunction;
+}
+
+#endif
diff --git a/compat/win32/pthread.h b/compat/win32/pthread.h
index b6ed9e7462..1c164088fb 100644
--- a/compat/win32/pthread.h
+++ b/compat/win32/pthread.h
@@ -104,4 +104,11 @@ static inline void *pthread_getspecific(pthread_key_t key)
return TlsGetValue(key);
}
+#ifndef __MINGW64_VERSION_MAJOR
+static inline int pthread_sigmask(int how, const sigset_t *set, sigset_t *oset)
+{
+ return 0;
+}
+#endif
+
#endif /* PTHREAD_H */
diff --git a/compat/win32/syslog.c b/compat/win32/syslog.c
index b905aea31b..161978d720 100644
--- a/compat/win32/syslog.c
+++ b/compat/win32/syslog.c
@@ -28,13 +28,13 @@ void syslog(int priority, const char *fmt, ...)
va_end(ap);
if (str_len < 0) {
- warning("vsnprintf failed: '%s'", strerror(errno));
+ warning_errno("vsnprintf failed");
return;
}
str = malloc(st_add(str_len, 1));
if (!str) {
- warning("malloc failed: '%s'", strerror(errno));
+ warning_errno("malloc failed");
return;
}
@@ -43,9 +43,11 @@ void syslog(int priority, const char *fmt, ...)
va_end(ap);
while ((pos = strstr(str, "%1")) != NULL) {
+ char *oldstr = str;
str = realloc(str, st_add(++str_len, 1));
if (!str) {
- warning("realloc failed: '%s'", strerror(errno));
+ free(oldstr);
+ warning_errno("realloc failed");
return;
}
memmove(pos + 2, pos + 1, strlen(pos));
diff --git a/compat/win32mmap.c b/compat/win32mmap.c
index 80a8c9af4f..519d51f2b6 100644
--- a/compat/win32mmap.c
+++ b/compat/win32mmap.c
@@ -2,37 +2,42 @@
void *git_mmap(void *start, size_t length, int prot, int flags, int fd, off_t offset)
{
- HANDLE hmap;
+ HANDLE osfhandle, hmap;
void *temp;
- off_t len;
- struct stat st;
+ LARGE_INTEGER len;
uint64_t o = offset;
uint32_t l = o & 0xFFFFFFFF;
uint32_t h = (o >> 32) & 0xFFFFFFFF;
- if (!fstat(fd, &st))
- len = st.st_size;
- else
+ osfhandle = (HANDLE)_get_osfhandle(fd);
+ if (!GetFileSizeEx(osfhandle, &len))
die("mmap: could not determine filesize");
- if ((length + offset) > len)
- length = xsize_t(len - offset);
+ if ((length + offset) > len.QuadPart)
+ length = xsize_t(len.QuadPart - offset);
if (!(flags & MAP_PRIVATE))
die("Invalid usage of mmap when built with USE_WIN32_MMAP");
- hmap = CreateFileMapping((HANDLE)_get_osfhandle(fd), NULL,
- PAGE_WRITECOPY, 0, 0, NULL);
+ hmap = CreateFileMapping(osfhandle, NULL,
+ prot == PROT_READ ? PAGE_READONLY : PAGE_WRITECOPY, 0, 0, NULL);
- if (!hmap)
+ if (!hmap) {
+ errno = EINVAL;
return MAP_FAILED;
+ }
- temp = MapViewOfFileEx(hmap, FILE_MAP_COPY, h, l, length, start);
+ temp = MapViewOfFileEx(hmap, prot == PROT_READ ?
+ FILE_MAP_READ : FILE_MAP_COPY, h, l, length, start);
if (!CloseHandle(hmap))
warning("unable to close file mapping handle");
- return temp ? temp : MAP_FAILED;
+ if (temp)
+ return temp;
+
+ errno = GetLastError() == ERROR_COMMITMENT_LIMIT ? EFBIG : EINVAL;
+ return MAP_FAILED;
}
int git_munmap(void *start, size_t length)
diff --git a/compat/winansi.c b/compat/winansi.c
index 5dfa5ed61f..a11a0f16d2 100644
--- a/compat/winansi.c
+++ b/compat/winansi.c
@@ -6,6 +6,12 @@
#include "../git-compat-util.h"
#include <wingdi.h>
#include <winreg.h>
+#include "win32.h"
+
+static int fd_is_interactive[3] = { 0, 0, 0 };
+#define FD_CONSOLE 0x1
+#define FD_SWAPPED 0x2
+#define FD_MSYS 0x4
/*
ANSI codes used by git: m, K
@@ -81,6 +87,7 @@ static void warn_if_raster_font(void)
static int is_console(int fd)
{
CONSOLE_SCREEN_BUFFER_INFO sbi;
+ DWORD mode;
HANDLE hcon;
static int initialized = 0;
@@ -95,9 +102,22 @@ static int is_console(int fd)
return 0;
/* check if its a handle to a console output screen buffer */
- if (!GetConsoleScreenBufferInfo(hcon, &sbi))
+ if (!fd) {
+ if (!GetConsoleMode(hcon, &mode))
+ return 0;
+ /*
+ * This code path is only reached if there is no console
+ * attached to stdout/stderr, i.e. we will not need to output
+ * any text to any console, therefore we might just as well
+ * use black as foreground color.
+ */
+ sbi.wAttributes = 0;
+ } else if (!GetConsoleScreenBufferInfo(hcon, &sbi))
return 0;
+ if (fd >= 0 && fd <= 2)
+ fd_is_interactive[fd] |= FD_CONSOLE;
+
/* initialize attributes */
if (!initialized) {
console = hcon;
@@ -120,6 +140,11 @@ static void write_console(unsigned char *str, size_t len)
/* convert utf-8 to utf-16 */
int wlen = xutftowcsn(wbuf, (char*) str, ARRAY_SIZE(wbuf), len);
+ if (wlen < 0) {
+ wchar_t *err = L"[invalid]";
+ WriteConsoleW(console, err, wcslen(err), &dummy, NULL);
+ return;
+ }
/* write directly to console */
WriteConsoleW(console, wbuf, wlen, &dummy, NULL);
@@ -459,75 +484,104 @@ static HANDLE duplicate_handle(HANDLE hnd)
return hresult;
}
+static HANDLE swap_osfhnd(int fd, HANDLE new_handle)
+{
+ /*
+ * Create a copy of the original handle associated with fd
+ * because the original will get closed when we dup2().
+ */
+ HANDLE handle = (HANDLE)_get_osfhandle(fd);
+ HANDLE duplicate = duplicate_handle(handle);
+
+ /* Create a temp fd associated with the already open "new_handle". */
+ int new_fd = _open_osfhandle((intptr_t)new_handle, O_BINARY);
+
+ assert((fd == 1) || (fd == 2));
+
+ /*
+ * Use stock dup2() to re-bind fd to the new handle. Note that
+ * this will implicitly close(1) and close both fd=1 and the
+ * originally associated handle. It will open a new fd=1 and
+ * call DuplicateHandle() on the handle associated with new_fd.
+ * It is because of this implicit close() that we created the
+ * copy of the original.
+ *
+ * Note that we need to update the cached console handle to the
+ * duplicated one because the dup2() call will implicitly close
+ * the original one.
+ *
+ * Note that dup2() when given target := {0,1,2} will also
+ * call SetStdHandle(), so we don't need to worry about that.
+ */
+ if (console == handle)
+ console = duplicate;
+ dup2(new_fd, fd);
+
+ /* Close the temp fd. This explicitly closes "new_handle"
+ * (because it has been associated with it).
+ */
+ close(new_fd);
+
+ if (fd == 2)
+ setvbuf(stderr, NULL, _IONBF, BUFSIZ);
+ fd_is_interactive[fd] |= FD_SWAPPED;
+
+ return duplicate;
+}
-/*
- * Make MSVCRT's internal file descriptor control structure accessible
- * so that we can tweak OS handles and flags directly (we need MSVCRT
- * to treat our pipe handle as if it were a console).
- *
- * We assume that the ioinfo structure (exposed by MSVCRT.dll via
- * __pioinfo) starts with the OS handle and the flags. The exact size
- * varies between MSVCRT versions, so we try different sizes until
- * toggling the FDEV bit of _pioinfo(1)->osflags is reflected in
- * isatty(1).
- */
-typedef struct {
- HANDLE osfhnd;
- char osflags;
-} ioinfo;
-
-extern __declspec(dllimport) ioinfo *__pioinfo[];
+#ifdef DETECT_MSYS_TTY
-static size_t sizeof_ioinfo = 0;
+#include <winternl.h>
+#include <ntstatus.h>
-#define IOINFO_L2E 5
-#define IOINFO_ARRAY_ELTS (1 << IOINFO_L2E)
+static void detect_msys_tty(int fd)
+{
+ ULONG result;
+ BYTE buffer[1024];
+ POBJECT_NAME_INFORMATION nameinfo = (POBJECT_NAME_INFORMATION) buffer;
+ PWSTR name;
+
+ /* check if fd is a pipe */
+ HANDLE h = (HANDLE) _get_osfhandle(fd);
+ if (GetFileType(h) != FILE_TYPE_PIPE)
+ return;
-#define FDEV 0x40
+ /* get pipe name */
+ if (!NT_SUCCESS(NtQueryObject(h, ObjectNameInformation,
+ buffer, sizeof(buffer) - 2, &result)))
+ return;
+ name = nameinfo->Name.Buffer;
+ name[nameinfo->Name.Length / sizeof(*name)] = 0;
+
+ /*
+ * Check if this could be a MSYS2 pty pipe ('msys-XXXX-ptyN-XX')
+ * or a cygwin pty pipe ('cygwin-XXXX-ptyN-XX')
+ */
+ if ((!wcsstr(name, L"msys-") && !wcsstr(name, L"cygwin-")) ||
+ !wcsstr(name, L"-pty"))
+ return;
-static inline ioinfo* _pioinfo(int fd)
-{
- return (ioinfo*)((char*)__pioinfo[fd >> IOINFO_L2E] +
- (fd & (IOINFO_ARRAY_ELTS - 1)) * sizeof_ioinfo);
+ if (fd == 2)
+ setvbuf(stderr, NULL, _IONBF, BUFSIZ);
+ fd_is_interactive[fd] |= FD_MSYS;
}
-static int init_sizeof_ioinfo()
-{
- int istty, wastty;
- /* don't init twice */
- if (sizeof_ioinfo)
- return sizeof_ioinfo >= 256;
-
- sizeof_ioinfo = sizeof(ioinfo);
- wastty = isatty(1);
- while (sizeof_ioinfo < 256) {
- /* toggle FDEV flag, check isatty, then toggle back */
- _pioinfo(1)->osflags ^= FDEV;
- istty = isatty(1);
- _pioinfo(1)->osflags ^= FDEV;
- /* return if we found the correct size */
- if (istty != wastty)
- return 0;
- sizeof_ioinfo += sizeof(void*);
- }
- error("Tweaking file descriptors doesn't work with this MSVCRT.dll");
- return 1;
-}
+#endif
-static HANDLE swap_osfhnd(int fd, HANDLE new_handle)
+/*
+ * Wrapper for isatty(). Most calls in the main git code
+ * call isatty(1 or 2) to see if the instance is interactive
+ * and should: be colored, show progress, paginate output.
+ * We lie and give results for what the descriptor WAS at
+ * startup (and ignore any pipe redirection we internally
+ * do).
+ */
+#undef isatty
+int winansi_isatty(int fd)
{
- ioinfo *pioinfo;
- HANDLE old_handle;
-
- /* init ioinfo size if we haven't done so */
- if (init_sizeof_ioinfo())
- return INVALID_HANDLE_VALUE;
-
- /* get ioinfo pointer and change the handles */
- pioinfo = _pioinfo(fd);
- old_handle = pioinfo->osfhnd;
- pioinfo->osfhnd = new_handle;
- return old_handle;
+ if (fd >= 0 && fd <= 2)
+ return fd_is_interactive[fd] != 0;
+ return isatty(fd);
}
void winansi_init(void)
@@ -538,8 +592,19 @@ void winansi_init(void)
/* check if either stdout or stderr is a console output screen buffer */
con1 = is_console(1);
con2 = is_console(2);
- if (!con1 && !con2)
+
+ /* Also compute console bit for fd 0 even though we don't need the result here. */
+ is_console(0);
+
+ if (!con1 && !con2) {
+#ifdef DETECT_MSYS_TTY
+ /* check if stdin / stdout / stderr are MSYS2 pty pipes */
+ detect_msys_tty(0);
+ detect_msys_tty(1);
+ detect_msys_tty(2);
+#endif
return;
+ }
/* create a named pipe to communicate with the console thread */
xsnprintf(name, sizeof(name), "\\\\.\\pipe\\winansi%lu", GetCurrentProcessId());
@@ -574,9 +639,10 @@ void winansi_init(void)
*/
HANDLE winansi_get_osfhandle(int fd)
{
- HANDLE hnd = (HANDLE) _get_osfhandle(fd);
- if ((fd == 1 || fd == 2) && isatty(fd)
- && GetFileType(hnd) == FILE_TYPE_PIPE)
- return (fd == 1) ? hconsole1 : hconsole2;
- return hnd;
+ if (fd == 1 && (fd_is_interactive[1] & FD_SWAPPED))
+ return hconsole1;
+ if (fd == 2 && (fd_is_interactive[2] & FD_SWAPPED))
+ return hconsole2;
+
+ return (HANDLE)_get_osfhandle(fd);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-25 10:21:23 +0000