diff options
Diffstat (limited to 'compat/mingw.c')
| -rw-r--r-- | compat/mingw.c | 80 |
1 files changed, 77 insertions, 3 deletions
diff --git a/compat/mingw.c b/compat/mingw.c index 0413d5c3cd..2b5467dead 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 +418,19 @@ 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 && 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 +438,13 @@ 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; } @@ -2088,7 +2162,7 @@ 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"); @@ -2130,7 +2204,7 @@ 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); @@ -2150,7 +2224,7 @@ static char *wcstoutfdup_startup(char *buffer, const wchar_t *wcs, size_t len) return memcpy(malloc_startup(len), buffer, len); } -void mingw_startup() +void mingw_startup(void) { int i, maxlen, argc; char *buffer; |