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-rw-r--r--compat/mingw.c690
1 files changed, 498 insertions, 192 deletions
diff --git a/compat/mingw.c b/compat/mingw.c
index 363a957a1d..70f3191a4f 100644
--- a/compat/mingw.c
+++ b/compat/mingw.c
@@ -1,8 +1,10 @@
#include "../git-compat-util.h"
#include "win32.h"
#include <conio.h>
+#include <wchar.h>
#include "../strbuf.h"
#include "../run-command.h"
+#include "../cache.h"
static const int delay[] = { 0, 1, 10, 20, 40 };
@@ -198,14 +200,16 @@ static int ask_yes_no_if_possible(const char *format, ...)
}
}
-#undef unlink
int mingw_unlink(const char *pathname)
{
int ret, tries = 0;
+ wchar_t wpathname[MAX_PATH];
+ if (xutftowcs_path(wpathname, pathname) < 0)
+ return -1;
/* read-only files cannot be removed */
- chmod(pathname, 0666);
- while ((ret = unlink(pathname)) == -1 && tries < ARRAY_SIZE(delay)) {
+ _wchmod(wpathname, 0666);
+ while ((ret = _wunlink(wpathname)) == -1 && tries < ARRAY_SIZE(delay)) {
if (!is_file_in_use_error(GetLastError()))
break;
/*
@@ -221,45 +225,45 @@ int mingw_unlink(const char *pathname)
while (ret == -1 && is_file_in_use_error(GetLastError()) &&
ask_yes_no_if_possible("Unlink of file '%s' failed. "
"Should I try again?", pathname))
- ret = unlink(pathname);
+ ret = _wunlink(wpathname);
return ret;
}
-static int is_dir_empty(const char *path)
+static int is_dir_empty(const wchar_t *wpath)
{
- struct strbuf buf = STRBUF_INIT;
- WIN32_FIND_DATAA findbuf;
+ WIN32_FIND_DATAW findbuf;
HANDLE handle;
-
- strbuf_addf(&buf, "%s\\*", path);
- handle = FindFirstFileA(buf.buf, &findbuf);
- if (handle == INVALID_HANDLE_VALUE) {
- strbuf_release(&buf);
+ wchar_t wbuf[MAX_PATH + 2];
+ wcscpy(wbuf, wpath);
+ wcscat(wbuf, L"\\*");
+ handle = FindFirstFileW(wbuf, &findbuf);
+ if (handle == INVALID_HANDLE_VALUE)
return GetLastError() == ERROR_NO_MORE_FILES;
- }
- while (!strcmp(findbuf.cFileName, ".") ||
- !strcmp(findbuf.cFileName, ".."))
- if (!FindNextFile(handle, &findbuf)) {
- strbuf_release(&buf);
- return GetLastError() == ERROR_NO_MORE_FILES;
+ while (!wcscmp(findbuf.cFileName, L".") ||
+ !wcscmp(findbuf.cFileName, L".."))
+ if (!FindNextFileW(handle, &findbuf)) {
+ DWORD err = GetLastError();
+ FindClose(handle);
+ return err == ERROR_NO_MORE_FILES;
}
FindClose(handle);
- strbuf_release(&buf);
return 0;
}
-#undef rmdir
int mingw_rmdir(const char *pathname)
{
int ret, tries = 0;
+ wchar_t wpathname[MAX_PATH];
+ if (xutftowcs_path(wpathname, pathname) < 0)
+ return -1;
- while ((ret = rmdir(pathname)) == -1 && tries < ARRAY_SIZE(delay)) {
+ while ((ret = _wrmdir(wpathname)) == -1 && tries < ARRAY_SIZE(delay)) {
if (!is_file_in_use_error(GetLastError()))
errno = err_win_to_posix(GetLastError());
if (errno != EACCES)
break;
- if (!is_dir_empty(pathname)) {
+ if (!is_dir_empty(wpathname)) {
errno = ENOTEMPTY;
break;
}
@@ -276,16 +280,26 @@ int mingw_rmdir(const char *pathname)
while (ret == -1 && errno == EACCES && is_file_in_use_error(GetLastError()) &&
ask_yes_no_if_possible("Deletion of directory '%s' failed. "
"Should I try again?", pathname))
- ret = rmdir(pathname);
+ ret = _wrmdir(wpathname);
+ return ret;
+}
+
+int mingw_mkdir(const char *path, int mode)
+{
+ int ret;
+ wchar_t wpath[MAX_PATH];
+ if (xutftowcs_path(wpath, path) < 0)
+ return -1;
+ ret = _wmkdir(wpath);
return ret;
}
-#undef open
int mingw_open (const char *filename, int oflags, ...)
{
va_list args;
unsigned mode;
int fd;
+ wchar_t wfilename[MAX_PATH];
va_start(args, oflags);
mode = va_arg(args, int);
@@ -294,10 +308,12 @@ int mingw_open (const char *filename, int oflags, ...)
if (filename && !strcmp(filename, "/dev/null"))
filename = "nul";
- fd = open(filename, oflags, mode);
+ if (xutftowcs_path(wfilename, filename) < 0)
+ return -1;
+ fd = _wopen(wfilename, oflags, mode);
- if (fd < 0 && (oflags & O_CREAT) && errno == EACCES) {
- DWORD attrs = GetFileAttributes(filename);
+ if (fd < 0 && (oflags & O_ACCMODE) != O_RDONLY && errno == EACCES) {
+ DWORD attrs = GetFileAttributesW(wfilename);
if (attrs != INVALID_FILE_ATTRIBUTES && (attrs & FILE_ATTRIBUTE_DIRECTORY))
errno = EISDIR;
}
@@ -332,17 +348,28 @@ int mingw_fgetc(FILE *stream)
#undef fopen
FILE *mingw_fopen (const char *filename, const char *otype)
{
+ FILE *file;
+ wchar_t wfilename[MAX_PATH], wotype[4];
if (filename && !strcmp(filename, "/dev/null"))
filename = "nul";
- return fopen(filename, otype);
+ if (xutftowcs_path(wfilename, filename) < 0 ||
+ xutftowcs(wotype, otype, ARRAY_SIZE(wotype)) < 0)
+ return NULL;
+ file = _wfopen(wfilename, wotype);
+ return file;
}
-#undef freopen
FILE *mingw_freopen (const char *filename, const char *otype, FILE *stream)
{
+ FILE *file;
+ wchar_t wfilename[MAX_PATH], wotype[4];
if (filename && !strcmp(filename, "/dev/null"))
filename = "nul";
- return freopen(filename, otype, stream);
+ if (xutftowcs_path(wfilename, filename) < 0 ||
+ xutftowcs(wotype, otype, ARRAY_SIZE(wotype)) < 0)
+ return NULL;
+ file = _wfreopen(wfilename, wotype, stream);
+ return file;
}
#undef fflush
@@ -367,6 +394,31 @@ int mingw_fflush(FILE *stream)
return ret;
}
+int mingw_access(const char *filename, int mode)
+{
+ wchar_t wfilename[MAX_PATH];
+ if (xutftowcs_path(wfilename, filename) < 0)
+ return -1;
+ /* X_OK is not supported by the MSVCRT version */
+ return _waccess(wfilename, mode & ~X_OK);
+}
+
+int mingw_chdir(const char *dirname)
+{
+ wchar_t wdirname[MAX_PATH];
+ if (xutftowcs_path(wdirname, dirname) < 0)
+ return -1;
+ return _wchdir(wdirname);
+}
+
+int mingw_chmod(const char *filename, int mode)
+{
+ wchar_t wfilename[MAX_PATH];
+ if (xutftowcs_path(wfilename, filename) < 0)
+ return -1;
+ return _wchmod(wfilename, mode);
+}
+
/*
* The unit of FILETIME is 100-nanoseconds since January 1, 1601, UTC.
* Returns the 100-nanoseconds ("hekto nanoseconds") since the epoch.
@@ -392,10 +444,12 @@ static inline time_t filetime_to_time_t(const FILETIME *ft)
*/
static int do_lstat(int follow, const char *file_name, struct stat *buf)
{
- int err;
WIN32_FILE_ATTRIBUTE_DATA fdata;
+ wchar_t wfilename[MAX_PATH];
+ if (xutftowcs_path(wfilename, file_name) < 0)
+ return -1;
- if (!(err = get_file_attr(file_name, &fdata))) {
+ if (GetFileAttributesExW(wfilename, GetFileExInfoStandard, &fdata)) {
buf->st_ino = 0;
buf->st_gid = 0;
buf->st_uid = 0;
@@ -408,8 +462,8 @@ static int do_lstat(int follow, const char *file_name, struct stat *buf)
buf->st_mtime = filetime_to_time_t(&(fdata.ftLastWriteTime));
buf->st_ctime = filetime_to_time_t(&(fdata.ftCreationTime));
if (fdata.dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) {
- WIN32_FIND_DATAA findbuf;
- HANDLE handle = FindFirstFileA(file_name, &findbuf);
+ WIN32_FIND_DATAW findbuf;
+ HANDLE handle = FindFirstFileW(wfilename, &findbuf);
if (handle != INVALID_HANDLE_VALUE) {
if ((findbuf.dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) &&
(findbuf.dwReserved0 == IO_REPARSE_TAG_SYMLINK)) {
@@ -428,7 +482,23 @@ static int do_lstat(int follow, const char *file_name, struct stat *buf)
}
return 0;
}
- errno = err;
+ switch (GetLastError()) {
+ case ERROR_ACCESS_DENIED:
+ case ERROR_SHARING_VIOLATION:
+ case ERROR_LOCK_VIOLATION:
+ case ERROR_SHARING_BUFFER_EXCEEDED:
+ errno = EACCES;
+ break;
+ case ERROR_BUFFER_OVERFLOW:
+ errno = ENAMETOOLONG;
+ break;
+ case ERROR_NOT_ENOUGH_MEMORY:
+ errno = ENOMEM;
+ break;
+ default:
+ errno = ENOENT;
+ break;
+ }
return -1;
}
@@ -441,7 +511,7 @@ static int do_lstat(int follow, const char *file_name, struct stat *buf)
static int do_stat_internal(int follow, const char *file_name, struct stat *buf)
{
int namelen;
- static char alt_name[PATH_MAX];
+ char alt_name[PATH_MAX];
if (!do_lstat(follow, file_name, buf))
return 0;
@@ -516,16 +586,20 @@ int mingw_utime (const char *file_name, const struct utimbuf *times)
{
FILETIME mft, aft;
int fh, rc;
+ DWORD attrs;
+ wchar_t wfilename[MAX_PATH];
+ if (xutftowcs_path(wfilename, file_name) < 0)
+ return -1;
/* must have write permission */
- DWORD attrs = GetFileAttributes(file_name);
+ attrs = GetFileAttributesW(wfilename);
if (attrs != INVALID_FILE_ATTRIBUTES &&
(attrs & FILE_ATTRIBUTE_READONLY)) {
/* ignore errors here; open() will report them */
- SetFileAttributes(file_name, attrs & ~FILE_ATTRIBUTE_READONLY);
+ SetFileAttributesW(wfilename, attrs & ~FILE_ATTRIBUTE_READONLY);
}
- if ((fh = open(file_name, O_RDWR | O_BINARY)) < 0) {
+ if ((fh = _wopen(wfilename, O_RDWR | O_BINARY)) < 0) {
rc = -1;
goto revert_attrs;
}
@@ -548,7 +622,7 @@ revert_attrs:
if (attrs != INVALID_FILE_ATTRIBUTES &&
(attrs & FILE_ATTRIBUTE_READONLY)) {
/* ignore errors again */
- SetFileAttributes(file_name, attrs);
+ SetFileAttributesW(wfilename, attrs);
}
return rc;
}
@@ -559,6 +633,18 @@ unsigned int sleep (unsigned int seconds)
return 0;
}
+char *mingw_mktemp(char *template)
+{
+ wchar_t wtemplate[MAX_PATH];
+ if (xutftowcs_path(wtemplate, template) < 0)
+ return NULL;
+ if (!_wmktemp(wtemplate))
+ return NULL;
+ if (xwcstoutf(template, wtemplate, strlen(template) + 1) < 0)
+ return NULL;
+ return template;
+}
+
int mkstemp(char *template)
{
char *filename = mktemp(template);
@@ -617,17 +703,18 @@ struct tm *localtime_r(const time_t *timep, struct tm *result)
return result;
}
-#undef getcwd
char *mingw_getcwd(char *pointer, int len)
{
int i;
- char *ret = getcwd(pointer, len);
- if (!ret)
- return ret;
+ 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] = '/';
- return ret;
+ return pointer;
}
/*
@@ -812,11 +899,44 @@ static char *path_lookup(const char *cmd, char **path, int exe_only)
return prog;
}
-static int env_compare(const void *a, const void *b)
+static int do_putenv(char **env, const char *name, int size, int free_old);
+
+/* used number of elements of environ array, including terminating NULL */
+static int environ_size = 0;
+/* allocated size of environ array, in bytes */
+static int environ_alloc = 0;
+
+/*
+ * Create environment block suitable for CreateProcess. Merges current
+ * process environment and the supplied environment changes.
+ */
+static wchar_t *make_environment_block(char **deltaenv)
{
- char *const *ea = a;
- char *const *eb = b;
- return strcasecmp(*ea, *eb);
+ wchar_t *wenvblk = NULL;
+ char **tmpenv;
+ int i = 0, size = environ_size, wenvsz = 0, wenvpos = 0;
+
+ while (deltaenv && deltaenv[i])
+ i++;
+
+ /* copy the environment, leaving space for changes */
+ tmpenv = xmalloc((size + i) * sizeof(char*));
+ memcpy(tmpenv, environ, size * sizeof(char*));
+
+ /* merge supplied environment changes into the temporary environment */
+ for (i = 0; deltaenv && deltaenv[i]; i++)
+ size = do_putenv(tmpenv, deltaenv[i], size, 0);
+
+ /* create environment block from temporary environment */
+ for (i = 0; tmpenv[i]; i++) {
+ size = 2 * strlen(tmpenv[i]) + 2; /* +2 for final \0 */
+ ALLOC_GROW(wenvblk, (wenvpos + size) * sizeof(wchar_t), wenvsz);
+ wenvpos += xutftowcs(&wenvblk[wenvpos], tmpenv[i], size) + 1;
+ }
+ /* add final \0 terminator */
+ wenvblk[wenvpos] = 0;
+ free(tmpenv);
+ return wenvblk;
}
struct pinfo_t {
@@ -827,14 +947,15 @@ struct pinfo_t {
static struct pinfo_t *pinfo = NULL;
CRITICAL_SECTION pinfo_cs;
-static pid_t mingw_spawnve_fd(const char *cmd, const char **argv, char **env,
+static pid_t mingw_spawnve_fd(const char *cmd, const char **argv, char **deltaenv,
const char *dir,
int prepend_cmd, int fhin, int fhout, int fherr)
{
- STARTUPINFO si;
+ STARTUPINFOW si;
PROCESS_INFORMATION pi;
- struct strbuf envblk, args;
- unsigned flags;
+ struct strbuf args;
+ wchar_t wcmd[MAX_PATH], wdir[MAX_PATH], *wargs, *wenvblk = NULL;
+ unsigned flags = CREATE_UNICODE_ENVIRONMENT;
BOOL ret;
/* Determine whether or not we are associated to a console */
@@ -851,7 +972,7 @@ static pid_t mingw_spawnve_fd(const char *cmd, const char **argv, char **env,
* instead of CREATE_NO_WINDOW to make ssh
* recognize that it has no console.
*/
- flags = DETACHED_PROCESS;
+ flags |= DETACHED_PROCESS;
} else {
/* There is already a console. If we specified
* DETACHED_PROCESS here, too, Windows would
@@ -859,15 +980,19 @@ static pid_t mingw_spawnve_fd(const char *cmd, const char **argv, char **env,
* The same is true for CREATE_NO_WINDOW.
* Go figure!
*/
- flags = 0;
CloseHandle(cons);
}
memset(&si, 0, sizeof(si));
si.cb = sizeof(si);
si.dwFlags = STARTF_USESTDHANDLES;
- si.hStdInput = (HANDLE) _get_osfhandle(fhin);
- si.hStdOutput = (HANDLE) _get_osfhandle(fhout);
- si.hStdError = (HANDLE) _get_osfhandle(fherr);
+ si.hStdInput = winansi_get_osfhandle(fhin);
+ si.hStdOutput = winansi_get_osfhandle(fhout);
+ si.hStdError = winansi_get_osfhandle(fherr);
+
+ if (xutftowcs_path(wcmd, cmd) < 0)
+ return -1;
+ if (dir && xutftowcs_path(wdir, dir) < 0)
+ return -1;
/* concatenate argv, quoting args as we go */
strbuf_init(&args, 0);
@@ -886,33 +1011,18 @@ static pid_t mingw_spawnve_fd(const char *cmd, const char **argv, char **env,
free(quoted);
}
- if (env) {
- int count = 0;
- char **e, **sorted_env;
-
- for (e = env; *e; e++)
- count++;
-
- /* environment must be sorted */
- sorted_env = xmalloc(sizeof(*sorted_env) * (count + 1));
- memcpy(sorted_env, env, sizeof(*sorted_env) * (count + 1));
- qsort(sorted_env, count, sizeof(*sorted_env), env_compare);
+ wargs = xmalloc((2 * args.len + 1) * sizeof(wchar_t));
+ xutftowcs(wargs, args.buf, 2 * args.len + 1);
+ strbuf_release(&args);
- strbuf_init(&envblk, 0);
- for (e = sorted_env; *e; e++) {
- strbuf_addstr(&envblk, *e);
- strbuf_addch(&envblk, '\0');
- }
- free(sorted_env);
- }
+ wenvblk = make_environment_block(deltaenv);
memset(&pi, 0, sizeof(pi));
- ret = CreateProcess(cmd, args.buf, NULL, NULL, TRUE, flags,
- env ? envblk.buf : NULL, dir, &si, &pi);
+ ret = CreateProcessW(wcmd, wargs, NULL, NULL, TRUE, flags,
+ wenvblk, dir ? wdir : NULL, &si, &pi);
- if (env)
- strbuf_release(&envblk);
- strbuf_release(&args);
+ free(wenvblk);
+ free(wargs);
if (!ret) {
errno = ENOENT;
@@ -941,13 +1051,12 @@ static pid_t mingw_spawnve_fd(const char *cmd, const char **argv, char **env,
return (pid_t)pi.dwProcessId;
}
-static pid_t mingw_spawnve(const char *cmd, const char **argv, char **env,
- int prepend_cmd)
+static pid_t mingw_spawnv(const char *cmd, const char **argv, int prepend_cmd)
{
- return mingw_spawnve_fd(cmd, argv, env, NULL, prepend_cmd, 0, 1, 2);
+ return mingw_spawnve_fd(cmd, argv, NULL, NULL, prepend_cmd, 0, 1, 2);
}
-pid_t mingw_spawnvpe(const char *cmd, const char **argv, char **env,
+pid_t mingw_spawnvpe(const char *cmd, const char **argv, char **deltaenv,
const char *dir,
int fhin, int fhout, int fherr)
{
@@ -971,14 +1080,14 @@ pid_t mingw_spawnvpe(const char *cmd, const char **argv, char **env,
pid = -1;
}
else {
- pid = mingw_spawnve_fd(iprog, argv, env, dir, 1,
+ pid = mingw_spawnve_fd(iprog, argv, deltaenv, dir, 1,
fhin, fhout, fherr);
free(iprog);
}
argv[0] = argv0;
}
else
- pid = mingw_spawnve_fd(prog, argv, env, dir, 0,
+ pid = mingw_spawnve_fd(prog, argv, deltaenv, dir, 0,
fhin, fhout, fherr);
free(prog);
}
@@ -986,7 +1095,7 @@ pid_t mingw_spawnvpe(const char *cmd, const char **argv, char **env,
return pid;
}
-static int try_shell_exec(const char *cmd, char *const *argv, char **env)
+static int try_shell_exec(const char *cmd, char *const *argv)
{
const char *interpr = parse_interpreter(cmd);
char **path;
@@ -1004,7 +1113,7 @@ static int try_shell_exec(const char *cmd, char *const *argv, char **env)
argv2 = xmalloc(sizeof(*argv) * (argc+1));
argv2[0] = (char *)cmd; /* full path to the script file */
memcpy(&argv2[1], &argv[1], sizeof(*argv) * argc);
- pid = mingw_spawnve(prog, argv2, env, 1);
+ pid = mingw_spawnv(prog, argv2, 1);
if (pid >= 0) {
int status;
if (waitpid(pid, &status, 0) < 0)
@@ -1019,19 +1128,20 @@ static int try_shell_exec(const char *cmd, char *const *argv, char **env)
return pid;
}
-static void mingw_execve(const char *cmd, char *const *argv, char *const *env)
+int mingw_execv(const char *cmd, char *const *argv)
{
/* check if git_command is a shell script */
- if (!try_shell_exec(cmd, argv, (char **)env)) {
+ if (!try_shell_exec(cmd, argv)) {
int pid, status;
- pid = mingw_spawnve(cmd, (const char **)argv, (char **)env, 0);
+ pid = mingw_spawnv(cmd, (const char **)argv, 0);
if (pid < 0)
- return;
+ return -1;
if (waitpid(pid, &status, 0) < 0)
status = 255;
exit(status);
}
+ return -1;
}
int mingw_execvp(const char *cmd, char *const *argv)
@@ -1040,7 +1150,7 @@ int mingw_execvp(const char *cmd, char *const *argv)
char *prog = path_lookup(cmd, path, 0);
if (prog) {
- mingw_execve(prog, argv, environ);
+ mingw_execv(prog, argv);
free(prog);
} else
errno = ENOENT;
@@ -1049,12 +1159,6 @@ int mingw_execvp(const char *cmd, char *const *argv)
return -1;
}
-int mingw_execv(const char *cmd, char *const *argv)
-{
- mingw_execve(cmd, argv, environ);
- return -1;
-}
-
int mingw_kill(pid_t pid, int sig)
{
if (pid > 0 && sig == SIGTERM) {
@@ -1080,108 +1184,88 @@ int mingw_kill(pid_t pid, int sig)
return -1;
}
-static char **copy_environ(void)
-{
- char **env;
- int i = 0;
- while (environ[i])
- i++;
- env = xmalloc((i+1)*sizeof(*env));
- for (i = 0; environ[i]; i++)
- env[i] = xstrdup(environ[i]);
- env[i] = NULL;
- return env;
-}
-
-void free_environ(char **env)
-{
- int i;
- for (i = 0; env[i]; i++)
- free(env[i]);
- free(env);
+/*
+ * Compare environment entries by key (i.e. stopping at '=' or '\0').
+ */
+static int compareenv(const void *v1, const void *v2)
+{
+ const char *e1 = *(const char**)v1;
+ const char *e2 = *(const char**)v2;
+
+ for (;;) {
+ int c1 = *e1++;
+ int c2 = *e2++;
+ c1 = (c1 == '=') ? 0 : tolower(c1);
+ c2 = (c2 == '=') ? 0 : tolower(c2);
+ if (c1 > c2)
+ return 1;
+ if (c1 < c2)
+ return -1;
+ if (c1 == 0)
+ return 0;
+ }
}
-static int lookup_env(char **env, const char *name, size_t nmln)
+static int bsearchenv(char **env, const char *name, size_t size)
{
- int i;
-
- for (i = 0; env[i]; i++) {
- if (0 == strncmp(env[i], name, nmln)
- && '=' == env[i][nmln])
- /* matches */
- return i;
+ unsigned low = 0, high = size;
+ while (low < high) {
+ unsigned mid = low + ((high - low) >> 1);
+ int cmp = compareenv(&env[mid], &name);
+ if (cmp < 0)
+ low = mid + 1;
+ else if (cmp > 0)
+ high = mid;
+ else
+ return mid;
}
- return -1;
+ return ~low; /* not found, return 1's complement of insert position */
}
/*
* If name contains '=', then sets the variable, otherwise it unsets it
+ * Size includes the terminating NULL. Env must have room for size + 1 entries
+ * (in case of insert). Returns the new size. Optionally frees removed entries.
*/
-static char **env_setenv(char **env, const char *name)
+static int do_putenv(char **env, const char *name, int size, int free_old)
{
- char *eq = strchrnul(name, '=');
- int i = lookup_env(env, name, eq-name);
+ int i = bsearchenv(env, name, size - 1);
- if (i < 0) {
- if (*eq) {
- for (i = 0; env[i]; i++)
- ;
- env = xrealloc(env, (i+2)*sizeof(*env));
- env[i] = xstrdup(name);
- env[i+1] = NULL;
- }
- }
- else {
+ /* optionally free removed / replaced entry */
+ if (i >= 0 && free_old)
free(env[i]);
- if (*eq)
- env[i] = xstrdup(name);
- else
- for (; env[i]; i++)
- env[i] = env[i+1];
- }
- return env;
-}
-/*
- * Copies global environ and adjusts variables as specified by vars.
- */
-char **make_augmented_environ(const char *const *vars)
-{
- char **env = copy_environ();
-
- while (*vars)
- env = env_setenv(env, *vars++);
- return env;
+ if (strchr(name, '=')) {
+ /* if new value ('key=value') is specified, insert or replace entry */
+ if (i < 0) {
+ i = ~i;
+ memmove(&env[i + 1], &env[i], (size - i) * sizeof(char*));
+ size++;
+ }
+ env[i] = (char*) name;
+ } else if (i >= 0) {
+ /* otherwise ('key') remove existing entry */
+ size--;
+ memmove(&env[i], &env[i + 1], (size - i) * sizeof(char*));
+ }
+ return size;
}
-#undef getenv
-
-/*
- * The system's getenv looks up the name in a case-insensitive manner.
- * This version tries a case-sensitive lookup and falls back to
- * case-insensitive if nothing was found. This is necessary because,
- * as a prominent example, CMD sets 'Path', but not 'PATH'.
- * Warning: not thread-safe.
- */
-static char *getenv_cs(const char *name)
+char *mingw_getenv(const char *name)
{
- size_t len = strlen(name);
- int i = lookup_env(environ, name, len);
- if (i >= 0)
- return environ[i] + len + 1; /* skip past name and '=' */
- return getenv(name);
+ char *value;
+ int pos = bsearchenv(environ, name, environ_size - 1);
+ if (pos < 0)
+ return NULL;
+ value = strchr(environ[pos], '=');
+ return value ? &value[1] : NULL;
}
-char *mingw_getenv(const char *name)
+int mingw_putenv(const char *namevalue)
{
- char *result = getenv_cs(name);
- if (!result && !strcmp(name, "TMPDIR")) {
- /* on Windows it is TMP and TEMP */
- result = getenv_cs("TMP");
- if (!result)
- result = getenv_cs("TEMP");
- }
- return result;
+ ALLOC_GROW(environ, (environ_size + 1) * sizeof(char*), environ_alloc);
+ environ_size = do_putenv(environ, namevalue, environ_size, 1);
+ return 0;
}
/*
@@ -1480,33 +1564,36 @@ int mingw_rename(const char *pold, const char *pnew)
{
DWORD attrs, gle;
int tries = 0;
+ wchar_t wpold[MAX_PATH], wpnew[MAX_PATH];
+ if (xutftowcs_path(wpold, pold) < 0 || xutftowcs_path(wpnew, pnew) < 0)
+ return -1;
/*
* Try native rename() first to get errno right.
* It is based on MoveFile(), which cannot overwrite existing files.
*/
- if (!rename(pold, pnew))
+ if (!_wrename(wpold, wpnew))
return 0;
if (errno != EEXIST)
return -1;
repeat:
- if (MoveFileEx(pold, pnew, MOVEFILE_REPLACE_EXISTING))
+ if (MoveFileExW(wpold, wpnew, MOVEFILE_REPLACE_EXISTING))
return 0;
/* TODO: translate more errors */
gle = GetLastError();
if (gle == ERROR_ACCESS_DENIED &&
- (attrs = GetFileAttributes(pnew)) != INVALID_FILE_ATTRIBUTES) {
+ (attrs = GetFileAttributesW(wpnew)) != INVALID_FILE_ATTRIBUTES) {
if (attrs & FILE_ATTRIBUTE_DIRECTORY) {
errno = EISDIR;
return -1;
}
if ((attrs & FILE_ATTRIBUTE_READONLY) &&
- SetFileAttributes(pnew, attrs & ~FILE_ATTRIBUTE_READONLY)) {
- if (MoveFileEx(pold, pnew, MOVEFILE_REPLACE_EXISTING))
+ SetFileAttributesW(wpnew, attrs & ~FILE_ATTRIBUTE_READONLY)) {
+ if (MoveFileExW(wpold, wpnew, MOVEFILE_REPLACE_EXISTING))
return 0;
gle = GetLastError();
/* revert file attributes on failure */
- SetFileAttributes(pnew, attrs);
+ SetFileAttributesW(wpnew, attrs);
}
}
if (tries < ARRAY_SIZE(delay) && gle == ERROR_ACCESS_DENIED) {
@@ -1752,11 +1839,16 @@ void mingw_open_html(const char *unixpath)
int link(const char *oldpath, const char *newpath)
{
- typedef BOOL (WINAPI *T)(const char*, const char*, LPSECURITY_ATTRIBUTES);
+ typedef BOOL (WINAPI *T)(LPCWSTR, LPCWSTR, LPSECURITY_ATTRIBUTES);
static T create_hard_link = NULL;
+ wchar_t woldpath[MAX_PATH], wnewpath[MAX_PATH];
+ if (xutftowcs_path(woldpath, oldpath) < 0 ||
+ xutftowcs_path(wnewpath, newpath) < 0)
+ return -1;
+
if (!create_hard_link) {
create_hard_link = (T) GetProcAddress(
- GetModuleHandle("kernel32.dll"), "CreateHardLinkA");
+ GetModuleHandle("kernel32.dll"), "CreateHardLinkW");
if (!create_hard_link)
create_hard_link = (T)-1;
}
@@ -1764,7 +1856,7 @@ int link(const char *oldpath, const char *newpath)
errno = ENOSYS;
return -1;
}
- if (!create_hard_link(newpath, oldpath, NULL)) {
+ if (!create_hard_link(wnewpath, woldpath, NULL)) {
errno = err_win_to_posix(GetLastError());
return -1;
}
@@ -1822,3 +1914,217 @@ pid_t waitpid(pid_t pid, int *status, int options)
errno = EINVAL;
return -1;
}
+
+int mingw_offset_1st_component(const char *path)
+{
+ int offset = 0;
+ if (has_dos_drive_prefix(path))
+ offset = 2;
+
+ /* unc paths */
+ else if (is_dir_sep(path[0]) && is_dir_sep(path[1])) {
+
+ /* skip server name */
+ char *pos = strpbrk(path + 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]);
+}
+
+int xutftowcsn(wchar_t *wcs, const char *utfs, size_t wcslen, int utflen)
+{
+ int upos = 0, wpos = 0;
+ const unsigned char *utf = (const unsigned char*) utfs;
+ if (!utf || !wcs || wcslen < 1) {
+ errno = EINVAL;
+ return -1;
+ }
+ /* reserve space for \0 */
+ wcslen--;
+ if (utflen < 0)
+ utflen = INT_MAX;
+
+ while (upos < utflen) {
+ int c = utf[upos++] & 0xff;
+ if (utflen == INT_MAX && c == 0)
+ break;
+
+ if (wpos >= wcslen) {
+ wcs[wpos] = 0;
+ errno = ERANGE;
+ return -1;
+ }
+
+ if (c < 0x80) {
+ /* ASCII */
+ wcs[wpos++] = c;
+ } else if (c >= 0xc2 && c < 0xe0 && upos < utflen &&
+ (utf[upos] & 0xc0) == 0x80) {
+ /* 2-byte utf-8 */
+ c = ((c & 0x1f) << 6);
+ c |= (utf[upos++] & 0x3f);
+ wcs[wpos++] = c;
+ } else if (c >= 0xe0 && c < 0xf0 && upos + 1 < utflen &&
+ !(c == 0xe0 && utf[upos] < 0xa0) && /* over-long encoding */
+ (utf[upos] & 0xc0) == 0x80 &&
+ (utf[upos + 1] & 0xc0) == 0x80) {
+ /* 3-byte utf-8 */
+ c = ((c & 0x0f) << 12);
+ c |= ((utf[upos++] & 0x3f) << 6);
+ c |= (utf[upos++] & 0x3f);
+ wcs[wpos++] = c;
+ } else if (c >= 0xf0 && c < 0xf5 && upos + 2 < utflen &&
+ wpos + 1 < wcslen &&
+ !(c == 0xf0 && utf[upos] < 0x90) && /* over-long encoding */
+ !(c == 0xf4 && utf[upos] >= 0x90) && /* > \u10ffff */
+ (utf[upos] & 0xc0) == 0x80 &&
+ (utf[upos + 1] & 0xc0) == 0x80 &&
+ (utf[upos + 2] & 0xc0) == 0x80) {
+ /* 4-byte utf-8: convert to \ud8xx \udcxx surrogate pair */
+ c = ((c & 0x07) << 18);
+ c |= ((utf[upos++] & 0x3f) << 12);
+ c |= ((utf[upos++] & 0x3f) << 6);
+ c |= (utf[upos++] & 0x3f);
+ c -= 0x10000;
+ wcs[wpos++] = 0xd800 | (c >> 10);
+ wcs[wpos++] = 0xdc00 | (c & 0x3ff);
+ } else if (c >= 0xa0) {
+ /* invalid utf-8 byte, printable unicode char: convert 1:1 */
+ wcs[wpos++] = c;
+ } else {
+ /* invalid utf-8 byte, non-printable unicode: convert to hex */
+ static const char *hex = "0123456789abcdef";
+ wcs[wpos++] = hex[c >> 4];
+ if (wpos < wcslen)
+ wcs[wpos++] = hex[c & 0x0f];
+ }
+ }
+ wcs[wpos] = 0;
+ return wpos;
+}
+
+int xwcstoutf(char *utf, const wchar_t *wcs, size_t utflen)
+{
+ if (!wcs || !utf || utflen < 1) {
+ errno = EINVAL;
+ return -1;
+ }
+ utflen = WideCharToMultiByte(CP_UTF8, 0, wcs, -1, utf, utflen, NULL, NULL);
+ if (utflen)
+ return utflen - 1;
+ errno = ERANGE;
+ return -1;
+}
+
+/*
+ * Disable MSVCRT command line wildcard expansion (__getmainargs called from
+ * mingw startup code, see init.c in mingw runtime).
+ */
+int _CRT_glob = 0;
+
+typedef struct {
+ int newmode;
+} _startupinfo;
+
+extern int __wgetmainargs(int *argc, wchar_t ***argv, wchar_t ***env, int glob,
+ _startupinfo *si);
+
+static NORETURN void die_startup()
+{
+ fputs("fatal: not enough memory for initialization", stderr);
+ exit(128);
+}
+
+static void *malloc_startup(size_t size)
+{
+ void *result = malloc(size);
+ if (!result)
+ die_startup();
+ return result;
+}
+
+static char *wcstoutfdup_startup(char *buffer, const wchar_t *wcs, size_t len)
+{
+ len = xwcstoutf(buffer, wcs, len) + 1;
+ return memcpy(malloc_startup(len), buffer, len);
+}
+
+void mingw_startup()
+{
+ int i, maxlen, argc;
+ char *buffer;
+ wchar_t **wenv, **wargv;
+ _startupinfo si;
+
+ /* get wide char arguments and environment */
+ si.newmode = 0;
+ if (__wgetmainargs(&argc, &wargv, &wenv, _CRT_glob, &si) < 0)
+ die_startup();
+
+ /* determine size of argv and environ conversion buffer */
+ maxlen = wcslen(_wpgmptr);
+ for (i = 1; i < argc; i++)
+ maxlen = max(maxlen, wcslen(wargv[i]));
+ for (i = 0; wenv[i]; i++)
+ maxlen = max(maxlen, wcslen(wenv[i]));
+
+ /*
+ * nedmalloc can't free CRT memory, allocate resizable environment
+ * list. Note that xmalloc / xmemdupz etc. call getenv, so we cannot
+ * use it while initializing the environment itself.
+ */
+ environ_size = i + 1;
+ environ_alloc = alloc_nr(environ_size * sizeof(char*));
+ environ = malloc_startup(environ_alloc);
+
+ /* allocate buffer (wchar_t encodes to max 3 UTF-8 bytes) */
+ maxlen = 3 * maxlen + 1;
+ buffer = malloc_startup(maxlen);
+
+ /* convert command line arguments and environment to UTF-8 */
+ __argv[0] = wcstoutfdup_startup(buffer, _wpgmptr, maxlen);
+ for (i = 1; i < argc; i++)
+ __argv[i] = wcstoutfdup_startup(buffer, wargv[i], maxlen);
+ for (i = 0; wenv[i]; i++)
+ environ[i] = wcstoutfdup_startup(buffer, wenv[i], maxlen);
+ environ[i] = NULL;
+ free(buffer);
+
+ /* sort environment for O(log n) getenv / putenv */
+ 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);
+
+ /* initialize critical section for waitpid pinfo_t list */
+ InitializeCriticalSection(&pinfo_cs);
+
+ /* set up default file mode and file modes for stdin/out/err */
+ _fmode = _O_BINARY;
+ _setmode(_fileno(stdin), _O_BINARY);
+ _setmode(_fileno(stdout), _O_BINARY);
+ _setmode(_fileno(stderr), _O_BINARY);
+
+ /* initialize Unicode console */
+ winansi_init();
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-08 09:38:58 +0000