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-rw-r--r--compat/bswap.h33
-rw-r--r--compat/mingw.c223
-rw-r--r--compat/mingw.h128
-rw-r--r--compat/poll/poll.c2
-rw-r--r--compat/win32/alloca.h (renamed from compat/vcbuild/include/alloca.h)0
-rw-r--r--compat/win32/dirent.c116
-rw-r--r--compat/win32/dirent.h8
-rw-r--r--compat/winansi.c450
8 files changed, 729 insertions, 231 deletions
diff --git a/compat/bswap.h b/compat/bswap.h
index 120c6c1d37..f6fd9a6a6c 100644
--- a/compat/bswap.h
+++ b/compat/bswap.h
@@ -101,19 +101,34 @@ static inline uint64_t git_bswap64(uint64_t x)
#undef ntohll
#undef htonll
-#if !defined(__BYTE_ORDER)
-# if defined(BYTE_ORDER) && defined(LITTLE_ENDIAN) && defined(BIG_ENDIAN)
-# define __BYTE_ORDER BYTE_ORDER
-# define __LITTLE_ENDIAN LITTLE_ENDIAN
-# define __BIG_ENDIAN BIG_ENDIAN
+#if defined(__BYTE_ORDER) && defined(__LITTLE_ENDIAN) && defined(__BIG_ENDIAN)
+
+# define GIT_BYTE_ORDER __BYTE_ORDER
+# define GIT_LITTLE_ENDIAN __LITTLE_ENDIAN
+# define GIT_BIG_ENDIAN __BIG_ENDIAN
+
+#elif defined(BYTE_ORDER) && defined(LITTLE_ENDIAN) && defined(BIG_ENDIAN)
+
+# define GIT_BYTE_ORDER BYTE_ORDER
+# define GIT_LITTLE_ENDIAN LITTLE_ENDIAN
+# define GIT_BIG_ENDIAN BIG_ENDIAN
+
+#else
+
+# define GIT_BIG_ENDIAN 4321
+# define GIT_LITTLE_ENDIAN 1234
+
+# if defined(_BIG_ENDIAN) && !defined(_LITTLE_ENDIAN)
+# define GIT_BYTE_ORDER GIT_BIG_ENDIAN
+# elif defined(_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN)
+# define GIT_BYTE_ORDER GIT_LITTLE_ENDIAN
+# else
+# error "Cannot determine endianness"
# endif
-#endif
-#if !defined(__BYTE_ORDER)
-# error "Cannot determine endianness"
#endif
-#if __BYTE_ORDER == __BIG_ENDIAN
+#if GIT_BYTE_ORDER == GIT_BIG_ENDIAN
# define ntohll(n) (n)
# define htonll(n) (n)
#else
diff --git a/compat/mingw.c b/compat/mingw.c
index e9892f8ee4..3baaa4dfae 100644
--- a/compat/mingw.c
+++ b/compat/mingw.c
@@ -441,7 +441,7 @@ 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;
@@ -831,9 +831,10 @@ static pid_t mingw_spawnve_fd(const char *cmd, const char **argv, char **env,
const char *dir,
int prepend_cmd, int fhin, int fhout, int fherr)
{
- STARTUPINFO si;
+ STARTUPINFOW si;
PROCESS_INFORMATION pi;
struct strbuf envblk, args;
+ wchar_t wcmd[MAX_PATH], wdir[MAX_PATH], *wargs;
unsigned flags;
BOOL ret;
@@ -865,9 +866,14 @@ static pid_t mingw_spawnve_fd(const char *cmd, const char **argv, char **env,
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);
@@ -886,6 +892,10 @@ static pid_t mingw_spawnve_fd(const char *cmd, const char **argv, char **env,
free(quoted);
}
+ wargs = xmalloc((2 * args.len + 1) * sizeof(wchar_t));
+ xutftowcs(wargs, args.buf, 2 * args.len + 1);
+ strbuf_release(&args);
+
if (env) {
int count = 0;
char **e, **sorted_env;
@@ -907,12 +917,12 @@ static pid_t mingw_spawnve_fd(const char *cmd, const char **argv, char **env,
}
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,
+ env ? envblk.buf : NULL, dir ? wdir : NULL, &si, &pi);
if (env)
strbuf_release(&envblk);
- strbuf_release(&args);
+ free(wargs);
if (!ret) {
errno = ENOENT;
@@ -941,10 +951,9 @@ 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, environ, NULL, prepend_cmd, 0, 1, 2);
}
pid_t mingw_spawnvpe(const char *cmd, const char **argv, char **env,
@@ -986,7 +995,7 @@ 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 +1013,7 @@ 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 +1028,20 @@ 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 +1050,7 @@ 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 +1059,6 @@ 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) {
@@ -1823,3 +1827,174 @@ 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);
+}
+
+void mingw_startup()
+{
+ int i, len, 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]));
+
+ /* allocate buffer (wchar_t encodes to max 3 UTF-8 bytes) */
+ maxlen = 3 * maxlen + 1;
+ buffer = xmalloc(maxlen);
+
+ /* convert command line arguments and environment to UTF-8 */
+ len = xwcstoutf(buffer, _wpgmptr, maxlen);
+ __argv[0] = xmemdupz(buffer, len);
+ for (i = 1; i < argc; i++) {
+ len = xwcstoutf(buffer, wargv[i], maxlen);
+ __argv[i] = xmemdupz(buffer, len);
+ }
+ free(buffer);
+
+ /* 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();
+}
diff --git a/compat/mingw.h b/compat/mingw.h
index e033e720c9..8dac6f9d6b 100644
--- a/compat/mingw.h
+++ b/compat/mingw.h
@@ -317,12 +317,8 @@ int mingw_raise(int sig);
* ANSI emulation wrappers
*/
-int winansi_fputs(const char *str, FILE *stream);
-int winansi_printf(const char *format, ...) __attribute__((format (printf, 1, 2)));
-int winansi_fprintf(FILE *stream, const char *format, ...) __attribute__((format (printf, 2, 3)));
-#define fputs winansi_fputs
-#define printf(...) winansi_printf(__VA_ARGS__)
-#define fprintf(...) winansi_fprintf(__VA_ARGS__)
+void winansi_init(void);
+HANDLE winansi_get_osfhandle(int fd);
/*
* git specific compatibility
@@ -339,6 +335,8 @@ static inline char *mingw_find_last_dir_sep(const char *path)
return ret;
}
#define find_last_dir_sep mingw_find_last_dir_sep
+int mingw_offset_1st_component(const char *path);
+#define offset_1st_component mingw_offset_1st_component
#define PATH_SEP ';'
#define PRIuMAX "I64u"
#define PRId64 "I64d"
@@ -353,6 +351,110 @@ void mingw_open_html(const char *path);
char **make_augmented_environ(const char *const *vars);
void free_environ(char **env);
+/**
+ * Converts UTF-8 encoded string to UTF-16LE.
+ *
+ * To support repositories with legacy-encoded file names, invalid UTF-8 bytes
+ * 0xa0 - 0xff are converted to corresponding printable Unicode chars \u00a0 -
+ * \u00ff, and invalid UTF-8 bytes 0x80 - 0x9f (which would make non-printable
+ * Unicode) are converted to hex-code.
+ *
+ * Lead-bytes not followed by an appropriate number of trail-bytes, over-long
+ * encodings and 4-byte encodings > \u10ffff are detected as invalid UTF-8.
+ *
+ * Maximum space requirement for the target buffer is two wide chars per UTF-8
+ * char (((strlen(utf) * 2) + 1) [* sizeof(wchar_t)]).
+ *
+ * The maximum space is needed only if the entire input string consists of
+ * invalid UTF-8 bytes in range 0x80-0x9f, as per the following table:
+ *
+ * | | UTF-8 | UTF-16 |
+ * Code point | UTF-8 sequence | bytes | words | ratio
+ * --------------+-------------------+-------+--------+-------
+ * 000000-00007f | 0-7f | 1 | 1 | 1
+ * 000080-0007ff | c2-df + 80-bf | 2 | 1 | 0.5
+ * 000800-00ffff | e0-ef + 2 * 80-bf | 3 | 1 | 0.33
+ * 010000-10ffff | f0-f4 + 3 * 80-bf | 4 | 2 (a) | 0.5
+ * invalid | 80-9f | 1 | 2 (b) | 2
+ * invalid | a0-ff | 1 | 1 | 1
+ *
+ * (a) encoded as UTF-16 surrogate pair
+ * (b) encoded as two hex digits
+ *
+ * Note that, while the UTF-8 encoding scheme can be extended to 5-byte, 6-byte
+ * or even indefinite-byte sequences, the largest valid code point \u10ffff
+ * encodes as only 4 UTF-8 bytes.
+ *
+ * Parameters:
+ * wcs: wide char target buffer
+ * utf: string to convert
+ * wcslen: size of target buffer (in wchar_t's)
+ * utflen: size of string to convert, or -1 if 0-terminated
+ *
+ * Returns:
+ * length of converted string (_wcslen(wcs)), or -1 on failure
+ *
+ * Errors:
+ * EINVAL: one of the input parameters is invalid (e.g. NULL)
+ * ERANGE: the output buffer is too small
+ */
+int xutftowcsn(wchar_t *wcs, const char *utf, size_t wcslen, int utflen);
+
+/**
+ * Simplified variant of xutftowcsn, assumes input string is \0-terminated.
+ */
+static inline int xutftowcs(wchar_t *wcs, const char *utf, size_t wcslen)
+{
+ return xutftowcsn(wcs, utf, wcslen, -1);
+}
+
+/**
+ * Simplified file system specific variant of xutftowcsn, assumes output
+ * buffer size is MAX_PATH wide chars and input string is \0-terminated,
+ * fails with ENAMETOOLONG if input string is too long.
+ */
+static inline int xutftowcs_path(wchar_t *wcs, const char *utf)
+{
+ int result = xutftowcsn(wcs, utf, MAX_PATH, -1);
+ if (result < 0 && errno == ERANGE)
+ errno = ENAMETOOLONG;
+ return result;
+}
+
+/**
+ * Converts UTF-16LE encoded string to UTF-8.
+ *
+ * Maximum space requirement for the target buffer is three UTF-8 chars per
+ * wide char ((_wcslen(wcs) * 3) + 1).
+ *
+ * The maximum space is needed only if the entire input string consists of
+ * UTF-16 words in range 0x0800-0xd7ff or 0xe000-0xffff (i.e. \u0800-\uffff
+ * modulo surrogate pairs), as per the following table:
+ *
+ * | | UTF-16 | UTF-8 |
+ * Code point | UTF-16 sequence | words | bytes | ratio
+ * --------------+-----------------------+--------+-------+-------
+ * 000000-00007f | 0000-007f | 1 | 1 | 1
+ * 000080-0007ff | 0080-07ff | 1 | 2 | 2
+ * 000800-00ffff | 0800-d7ff / e000-ffff | 1 | 3 | 3
+ * 010000-10ffff | d800-dbff + dc00-dfff | 2 | 4 | 2
+ *
+ * Note that invalid code points > 10ffff cannot be represented in UTF-16.
+ *
+ * Parameters:
+ * utf: target buffer
+ * wcs: wide string to convert
+ * utflen: size of target buffer
+ *
+ * Returns:
+ * length of converted string, or -1 on failure
+ *
+ * Errors:
+ * EINVAL: one of the input parameters is invalid (e.g. NULL)
+ * ERANGE: the output buffer is too small
+ */
+int xwcstoutf(char *utf, const wchar_t *wcs, size_t utflen);
+
/*
* A critical section used in the implementation of the spawn
* functions (mingw_spawnv[p]e()) and waitpid(). Intialised in
@@ -361,22 +463,16 @@ void free_environ(char **env);
extern CRITICAL_SECTION pinfo_cs;
/*
- * A replacement of main() that ensures that argv[0] has a path
- * and that default fmode and std(in|out|err) are in binary mode
+ * A replacement of main() that adds win32 specific initialization.
*/
+void mingw_startup();
#define main(c,v) dummy_decl_mingw_main(); \
static int mingw_main(c,v); \
int main(int argc, char **argv) \
{ \
- extern CRITICAL_SECTION pinfo_cs; \
- _fmode = _O_BINARY; \
- _setmode(_fileno(stdin), _O_BINARY); \
- _setmode(_fileno(stdout), _O_BINARY); \
- _setmode(_fileno(stderr), _O_BINARY); \
- argv[0] = xstrdup(_pgmptr); \
- InitializeCriticalSection(&pinfo_cs); \
- return mingw_main(argc, argv); \
+ mingw_startup(); \
+ return mingw_main(__argc, (void *)__argv); \
} \
static int mingw_main(c,v)
diff --git a/compat/poll/poll.c b/compat/poll/poll.c
index 31163f2ae7..a9b41d89f4 100644
--- a/compat/poll/poll.c
+++ b/compat/poll/poll.c
@@ -605,7 +605,7 @@ restart:
if (!rc && timeout == INFTIM)
{
- SwitchToThread();
+ SleepEx (1, TRUE);
goto restart;
}
diff --git a/compat/vcbuild/include/alloca.h b/compat/win32/alloca.h
index c0d7985b7e..c0d7985b7e 100644
--- a/compat/vcbuild/include/alloca.h
+++ b/compat/win32/alloca.h
diff --git a/compat/win32/dirent.c b/compat/win32/dirent.c
index 7a0debe51b..82a515c21b 100644
--- a/compat/win32/dirent.c
+++ b/compat/win32/dirent.c
@@ -1,96 +1,91 @@
-#include "../git-compat-util.h"
-#include "dirent.h"
+#include "../../git-compat-util.h"
struct DIR {
struct dirent dd_dir; /* includes d_type */
HANDLE dd_handle; /* FindFirstFile handle */
int dd_stat; /* 0-based index */
- char dd_name[1]; /* extend struct */
};
+static inline void finddata2dirent(struct dirent *ent, WIN32_FIND_DATAA *fdata)
+{
+ /* copy file name from WIN32_FIND_DATA to dirent */
+ memcpy(ent->d_name, fdata->cFileName, sizeof(ent->d_name));
+
+ /* Set file type, based on WIN32_FIND_DATA */
+ if (fdata->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
+ ent->d_type = DT_DIR;
+ else
+ ent->d_type = DT_REG;
+}
+
DIR *opendir(const char *name)
{
- DWORD attrs = GetFileAttributesA(name);
+ char pattern[MAX_PATH];
+ WIN32_FIND_DATAA fdata;
+ HANDLE h;
int len;
- DIR *p;
+ DIR *dir;
- /* check for valid path */
- if (attrs == INVALID_FILE_ATTRIBUTES) {
- errno = ENOENT;
+ /* check that name is not NULL */
+ if (!name) {
+ errno = EINVAL;
return NULL;
}
-
- /* check if it's a directory */
- if (!(attrs & FILE_ATTRIBUTE_DIRECTORY)) {
- errno = ENOTDIR;
- return NULL;
- }
-
/* check that the pattern won't be too long for FindFirstFileA */
len = strlen(name);
- if (is_dir_sep(name[len - 1]))
- len--;
if (len + 2 >= MAX_PATH) {
errno = ENAMETOOLONG;
return NULL;
}
-
- p = malloc(sizeof(DIR) + len + 2);
- if (!p)
+ /* copy name to temp buffer */
+ memcpy(pattern, name, len + 1);
+
+ /* append optional '/' and wildcard '*' */
+ if (len && !is_dir_sep(pattern[len - 1]))
+ pattern[len++] = '/';
+ pattern[len++] = '*';
+ pattern[len] = 0;
+
+ /* open find handle */
+ h = FindFirstFileA(pattern, &fdata);
+ if (h == INVALID_HANDLE_VALUE) {
+ DWORD err = GetLastError();
+ errno = (err == ERROR_DIRECTORY) ? ENOTDIR : err_win_to_posix(err);
return NULL;
+ }
- memset(p, 0, sizeof(DIR) + len + 2);
- strcpy(p->dd_name, name);
- p->dd_name[len] = '/';
- p->dd_name[len+1] = '*';
-
- p->dd_handle = INVALID_HANDLE_VALUE;
- return p;
+ /* initialize DIR structure and copy first dir entry */
+ dir = xmalloc(sizeof(DIR));
+ dir->dd_handle = h;
+ dir->dd_stat = 0;
+ finddata2dirent(&dir->dd_dir, &fdata);
+ return dir;
}
struct dirent *readdir(DIR *dir)
{
- WIN32_FIND_DATAA buf;
- HANDLE handle;
-
- if (!dir || !dir->dd_handle) {
+ if (!dir) {
errno = EBADF; /* No set_errno for mingw */
return NULL;
}
- if (dir->dd_handle == INVALID_HANDLE_VALUE && dir->dd_stat == 0) {
- DWORD lasterr;
- handle = FindFirstFileA(dir->dd_name, &buf);
- lasterr = GetLastError();
- dir->dd_handle = handle;
- if (handle == INVALID_HANDLE_VALUE && (lasterr != ERROR_NO_MORE_FILES)) {
- errno = err_win_to_posix(lasterr);
+ /* if first entry, dirent has already been set up by opendir */
+ if (dir->dd_stat) {
+ /* get next entry and convert from WIN32_FIND_DATA to dirent */
+ WIN32_FIND_DATAA fdata;
+ if (FindNextFileA(dir->dd_handle, &fdata)) {
+ finddata2dirent(&dir->dd_dir, &fdata);
+ } else {
+ DWORD lasterr = GetLastError();
+ /* POSIX says you shouldn't set errno when readdir can't
+ find any more files; so, if another error we leave it set. */
+ if (lasterr != ERROR_NO_MORE_FILES)
+ errno = err_win_to_posix(lasterr);
return NULL;
}
- } else if (dir->dd_handle == INVALID_HANDLE_VALUE) {
- return NULL;
- } else if (!FindNextFileA(dir->dd_handle, &buf)) {
- DWORD lasterr = GetLastError();
- FindClose(dir->dd_handle);
- dir->dd_handle = INVALID_HANDLE_VALUE;
- /* POSIX says you shouldn't set errno when readdir can't
- find any more files; so, if another error we leave it set. */
- if (lasterr != ERROR_NO_MORE_FILES)
- errno = err_win_to_posix(lasterr);
- return NULL;
}
- /* We get here if `buf' contains valid data. */
- strcpy(dir->dd_dir.d_name, buf.cFileName);
++dir->dd_stat;
-
- /* Set file type, based on WIN32_FIND_DATA */
- dir->dd_dir.d_type = 0;
- if (buf.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
- dir->dd_dir.d_type |= DT_DIR;
- else
- dir->dd_dir.d_type |= DT_REG;
-
return &dir->dd_dir;
}
@@ -101,8 +96,7 @@ int closedir(DIR *dir)
return -1;
}
- if (dir->dd_handle != INVALID_HANDLE_VALUE)
- FindClose(dir->dd_handle);
+ FindClose(dir->dd_handle);
free(dir);
return 0;
}
diff --git a/compat/win32/dirent.h b/compat/win32/dirent.h
index 927a25ca76..8838cd61fc 100644
--- a/compat/win32/dirent.h
+++ b/compat/win32/dirent.h
@@ -9,12 +9,8 @@ typedef struct DIR DIR;
#define DT_LNK 3
struct dirent {
- long d_ino; /* Always zero. */
- char d_name[FILENAME_MAX]; /* File name. */
- union {
- unsigned short d_reclen; /* Always zero. */
- unsigned char d_type; /* Reimplementation adds this */
- };
+ unsigned char d_type; /* file type to prevent lstat after readdir */
+ char d_name[MAX_PATH]; /* file name */
};
DIR *opendir(const char *dirname);
diff --git a/compat/winansi.c b/compat/winansi.c
index dedce2104e..efc5bb3a4b 100644
--- a/compat/winansi.c
+++ b/compat/winansi.c
@@ -2,15 +2,10 @@
* Copyright 2008 Peter Harris <git@peter.is-a-geek.org>
*/
+#undef NOGDI
#include "../git-compat-util.h"
-
-/*
- Functions to be wrapped:
-*/
-#undef printf
-#undef fprintf
-#undef fputs
-/* TODO: write */
+#include <wingdi.h>
+#include <winreg.h>
/*
ANSI codes used by git: m, K
@@ -23,29 +18,114 @@ static HANDLE console;
static WORD plain_attr;
static WORD attr;
static int negative;
+static int non_ascii_used = 0;
+static HANDLE hthread, hread, hwrite;
+static HANDLE hconsole1, hconsole2;
+
+#ifdef __MINGW32__
+typedef struct _CONSOLE_FONT_INFOEX {
+ ULONG cbSize;
+ DWORD nFont;
+ COORD dwFontSize;
+ UINT FontFamily;
+ UINT FontWeight;
+ WCHAR FaceName[LF_FACESIZE];
+} CONSOLE_FONT_INFOEX, *PCONSOLE_FONT_INFOEX;
+#endif
+
+typedef BOOL (WINAPI *PGETCURRENTCONSOLEFONTEX)(HANDLE, BOOL,
+ PCONSOLE_FONT_INFOEX);
+
+static void warn_if_raster_font(void)
+{
+ DWORD fontFamily = 0;
+ PGETCURRENTCONSOLEFONTEX pGetCurrentConsoleFontEx;
+
+ /* don't bother if output was ascii only */
+ if (!non_ascii_used)
+ return;
+
+ /* GetCurrentConsoleFontEx is available since Vista */
+ pGetCurrentConsoleFontEx = (PGETCURRENTCONSOLEFONTEX) GetProcAddress(
+ GetModuleHandle("kernel32.dll"),
+ "GetCurrentConsoleFontEx");
+ if (pGetCurrentConsoleFontEx) {
+ CONSOLE_FONT_INFOEX cfi;
+ cfi.cbSize = sizeof(cfi);
+ if (pGetCurrentConsoleFontEx(console, 0, &cfi))
+ fontFamily = cfi.FontFamily;
+ } else {
+ /* pre-Vista: check default console font in registry */
+ HKEY hkey;
+ if (ERROR_SUCCESS == RegOpenKeyExA(HKEY_CURRENT_USER, "Console",
+ 0, KEY_READ, &hkey)) {
+ DWORD size = sizeof(fontFamily);
+ RegQueryValueExA(hkey, "FontFamily", NULL, NULL,
+ (LPVOID) &fontFamily, &size);
+ RegCloseKey(hkey);
+ }
+ }
+
+ if (!(fontFamily & TMPF_TRUETYPE)) {
+ const wchar_t *msg = L"\nWarning: Your console font probably "
+ L"doesn\'t support Unicode. If you experience strange "
+ L"characters in the output, consider switching to a "
+ L"TrueType font such as Consolas!\n";
+ DWORD dummy;
+ WriteConsoleW(console, msg, wcslen(msg), &dummy, NULL);
+ }
+}
-static void init(void)
+static int is_console(int fd)
{
CONSOLE_SCREEN_BUFFER_INFO sbi;
+ HANDLE hcon;
static int initialized = 0;
- if (initialized)
- return;
- console = GetStdHandle(STD_OUTPUT_HANDLE);
- if (console == INVALID_HANDLE_VALUE)
- console = NULL;
+ /* get OS handle of the file descriptor */
+ hcon = (HANDLE) _get_osfhandle(fd);
+ if (hcon == INVALID_HANDLE_VALUE)
+ return 0;
- if (!console)
- return;
+ /* check if its a device (i.e. console, printer, serial port) */
+ if (GetFileType(hcon) != FILE_TYPE_CHAR)
+ return 0;
- GetConsoleScreenBufferInfo(console, &sbi);
- attr = plain_attr = sbi.wAttributes;
- negative = 0;
+ /* check if its a handle to a console output screen buffer */
+ if (!GetConsoleScreenBufferInfo(hcon, &sbi))
+ return 0;
+
+ /* initialize attributes */
+ if (!initialized) {
+ console = hcon;
+ attr = plain_attr = sbi.wAttributes;
+ negative = 0;
+ initialized = 1;
+ }
- initialized = 1;
+ return 1;
}
+#define BUFFER_SIZE 4096
+#define MAX_PARAMS 16
+
+static void write_console(unsigned char *str, size_t len)
+{
+ /* only called from console_thread, so a static buffer will do */
+ static wchar_t wbuf[2 * BUFFER_SIZE + 1];
+ DWORD dummy;
+
+ /* convert utf-8 to utf-16 */
+ int wlen = xutftowcsn(wbuf, (char*) str, ARRAY_SIZE(wbuf), len);
+
+ /* write directly to console */
+ WriteConsoleW(console, wbuf, wlen, &dummy, NULL);
+
+ /* remember if non-ascii characters are printed */
+ if (wlen != len)
+ non_ascii_used = 1;
+}
#define FOREGROUND_ALL (FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE)
#define BACKGROUND_ALL (BACKGROUND_RED | BACKGROUND_GREEN | BACKGROUND_BLUE)
@@ -90,18 +170,13 @@ static void erase_in_line(void)
&dummy);
}
-
-static const char *set_attr(const char *str)
+static void set_attr(char func, const int *params, int paramlen)
{
- const char *func;
- size_t len = strspn(str, "0123456789;");
- func = str + len;
-
- switch (*func) {
+ int i;
+ switch (func) {
case 'm':
- do {
- long val = strtol(str, (char **)&str, 10);
- switch (val) {
+ for (i = 0; i < paramlen; i++) {
+ switch (params[i]) {
case 0: /* reset */
attr = plain_attr;
negative = 0;
@@ -224,9 +299,7 @@ static const char *set_attr(const char *str)
/* Unsupported code */
break;
}
- str++;
- } while (*(str-1) == ';');
-
+ }
set_console_attr();
break;
case 'K':
@@ -236,122 +309,271 @@ static const char *set_attr(const char *str)
/* Unsupported code */
break;
}
-
- return func + 1;
}
-static int ansi_emulate(const char *str, FILE *stream)
+enum {
+ TEXT = 0, ESCAPE = 033, BRACKET = '['
+};
+
+static DWORD WINAPI console_thread(LPVOID unused)
{
- int rv = 0;
- const char *pos = str;
-
- while (*pos) {
- pos = strstr(str, "\033[");
- if (pos) {
- size_t len = pos - str;
-
- if (len) {
- size_t out_len = fwrite(str, 1, len, stream);
- rv += out_len;
- if (out_len < len)
- return rv;
+ unsigned char buffer[BUFFER_SIZE];
+ DWORD bytes;
+ int start, end = 0, c, parampos = 0, state = TEXT;
+ int params[MAX_PARAMS];
+
+ while (1) {
+ /* read next chunk of bytes from the pipe */
+ if (!ReadFile(hread, buffer + end, BUFFER_SIZE - end, &bytes,
+ NULL)) {
+ /* exit if pipe has been closed or disconnected */
+ if (GetLastError() == ERROR_PIPE_NOT_CONNECTED ||
+ GetLastError() == ERROR_BROKEN_PIPE)
+ break;
+ /* ignore other errors */
+ continue;
+ }
+
+ /* scan the bytes and handle ANSI control codes */
+ bytes += end;
+ start = end = 0;
+ while (end < bytes) {
+ c = buffer[end++];
+ switch (state) {
+ case TEXT:
+ if (c == ESCAPE) {
+ /* print text seen so far */
+ if (end - 1 > start)
+ write_console(buffer + start,
+ end - 1 - start);
+
+ /* then start parsing escape sequence */
+ start = end - 1;
+ memset(params, 0, sizeof(params));
+ parampos = 0;
+ state = ESCAPE;
+ }
+ break;
+
+ case ESCAPE:
+ /* continue if "\033[", otherwise bail out */
+ state = (c == BRACKET) ? BRACKET : TEXT;
+ break;
+
+ case BRACKET:
+ /* parse [0-9;]* into array of parameters */
+ if (c >= '0' && c <= '9') {
+ params[parampos] *= 10;
+ params[parampos] += c - '0';
+ } else if (c == ';') {
+ /*
+ * next parameter, bail out if out of
+ * bounds
+ */
+ parampos++;
+ if (parampos >= MAX_PARAMS)
+ state = TEXT;
+ } else {
+ /*
+ * end of escape sequence, change
+ * console attributes
+ */
+ set_attr(c, params, parampos + 1);
+ start = end;
+ state = TEXT;
+ }
+ break;
}
+ }
- str = pos + 2;
- rv += 2;
+ /* print remaining text unless parsing an escape sequence */
+ if (state == TEXT && end > start) {
+ /* check for incomplete UTF-8 sequences and fix end */
+ if (buffer[end - 1] >= 0x80) {
+ if (buffer[end -1] >= 0xc0)
+ end--;
+ else if (end - 1 > start &&
+ buffer[end - 2] >= 0xe0)
+ end -= 2;
+ else if (end - 2 > start &&
+ buffer[end - 3] >= 0xf0)
+ end -= 3;
+ }
- fflush(stream);
+ /* print remaining complete UTF-8 sequences */
+ if (end > start)
+ write_console(buffer + start, end - start);
- pos = set_attr(str);
- rv += pos - str;
- str = pos;
+ /* move remaining bytes to the front */
+ if (end < bytes)
+ memmove(buffer, buffer + end, bytes - end);
+ end = bytes - end;
} else {
- rv += strlen(str);
- fputs(str, stream);
- return rv;
+ /* all data has been consumed, mark buffer empty */
+ end = 0;
}
}
- return rv;
+
+ /* check if the console font supports unicode */
+ warn_if_raster_font();
+
+ CloseHandle(hread);
+ return 0;
}
-int winansi_fputs(const char *str, FILE *stream)
+static void winansi_exit(void)
{
- int rv;
-
- if (!isatty(fileno(stream)))
- return fputs(str, stream);
+ /* flush all streams */
+ _flushall();
- init();
+ /* signal console thread to exit */
+ FlushFileBuffers(hwrite);
+ DisconnectNamedPipe(hwrite);
- if (!console)
- return fputs(str, stream);
+ /* wait for console thread to copy remaining data */
+ WaitForSingleObject(hthread, INFINITE);
- rv = ansi_emulate(str, stream);
+ /* cleanup handles... */
+ CloseHandle(hwrite);
+ CloseHandle(hthread);
+}
- if (rv >= 0)
- return 0;
- else
- return EOF;
+static void die_lasterr(const char *fmt, ...)
+{
+ va_list params;
+ va_start(params, fmt);
+ errno = err_win_to_posix(GetLastError());
+ die_errno(fmt, params);
+ va_end(params);
}
-static int winansi_vfprintf(FILE *stream, const char *format, va_list list)
+static HANDLE duplicate_handle(HANDLE hnd)
{
- int len, rv;
- char small_buf[256];
- char *buf = small_buf;
- va_list cp;
+ HANDLE hresult, hproc = GetCurrentProcess();
+ if (!DuplicateHandle(hproc, hnd, hproc, &hresult, 0, TRUE,
+ DUPLICATE_SAME_ACCESS))
+ die_lasterr("DuplicateHandle(%li) failed", (long) hnd);
+ return hresult;
+}
- if (!isatty(fileno(stream)))
- goto abort;
- init();
+/*
+ * 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;
- if (!console)
- goto abort;
+extern __declspec(dllimport) ioinfo *__pioinfo[];
- va_copy(cp, list);
- len = vsnprintf(small_buf, sizeof(small_buf), format, cp);
- va_end(cp);
+static size_t sizeof_ioinfo = 0;
- if (len > sizeof(small_buf) - 1) {
- buf = malloc(len + 1);
- if (!buf)
- goto abort;
+#define IOINFO_L2E 5
+#define IOINFO_ARRAY_ELTS (1 << IOINFO_L2E)
- len = vsnprintf(buf, len + 1, format, list);
- }
+#define FDEV 0x40
- rv = ansi_emulate(buf, stream);
+static inline ioinfo* _pioinfo(int fd)
+{
+ return (ioinfo*)((char*)__pioinfo[fd >> IOINFO_L2E] +
+ (fd & (IOINFO_ARRAY_ELTS - 1)) * sizeof_ioinfo);
+}
- if (buf != small_buf)
- free(buf);
- return rv;
+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;
+}
-abort:
- rv = vfprintf(stream, format, list);
- return rv;
+static HANDLE swap_osfhnd(int fd, HANDLE new_handle)
+{
+ 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;
}
-int winansi_fprintf(FILE *stream, const char *format, ...)
+void winansi_init(void)
{
- va_list list;
- int rv;
+ int con1, con2;
+ char name[32];
- va_start(list, format);
- rv = winansi_vfprintf(stream, format, list);
- va_end(list);
+ /* check if either stdout or stderr is a console output screen buffer */
+ con1 = is_console(1);
+ con2 = is_console(2);
+ if (!con1 && !con2)
+ return;
- return rv;
+ /* create a named pipe to communicate with the console thread */
+ sprintf(name, "\\\\.\\pipe\\winansi%lu", GetCurrentProcessId());
+ hwrite = CreateNamedPipe(name, PIPE_ACCESS_OUTBOUND,
+ PIPE_TYPE_BYTE | PIPE_WAIT, 1, BUFFER_SIZE, 0, 0, NULL);
+ if (hwrite == INVALID_HANDLE_VALUE)
+ die_lasterr("CreateNamedPipe failed");
+
+ hread = CreateFile(name, GENERIC_READ, 0, NULL, OPEN_EXISTING, 0, NULL);
+ if (hread == INVALID_HANDLE_VALUE)
+ die_lasterr("CreateFile for named pipe failed");
+
+ /* start console spool thread on the pipe's read end */
+ hthread = CreateThread(NULL, 0, console_thread, NULL, 0, NULL);
+ if (hthread == INVALID_HANDLE_VALUE)
+ die_lasterr("CreateThread(console_thread) failed");
+
+ /* schedule cleanup routine */
+ if (atexit(winansi_exit))
+ die_errno("atexit(winansi_exit) failed");
+
+ /* redirect stdout / stderr to the pipe */
+ if (con1)
+ hconsole1 = swap_osfhnd(1, duplicate_handle(hwrite));
+ if (con2)
+ hconsole2 = swap_osfhnd(2, duplicate_handle(hwrite));
}
-int winansi_printf(const char *format, ...)
+/*
+ * Returns the real console handle if stdout / stderr is a pipe redirecting
+ * to the console. Allows spawn / exec to pass the console to the next process.
+ */
+HANDLE winansi_get_osfhandle(int fd)
{
- va_list list;
- int rv;
-
- va_start(list, format);
- rv = winansi_vfprintf(stdout, format, list);
- va_end(list);
-
- return rv;
+ 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;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-31 01:27:13 +0000