diff options
Diffstat (limited to 'compat')
| -rw-r--r-- | compat/mingw.c | 60 | ||||
| -rw-r--r-- | compat/mingw.h | 29 | ||||
| -rw-r--r-- | compat/msvc.c | 52 | ||||
| -rw-r--r-- | compat/vcbuild/include/dirent.h | 128 | ||||
| -rw-r--r-- | compat/win32/dirent.c | 108 | ||||
| -rw-r--r-- | compat/win32/dirent.h | 24 |
6 files changed, 132 insertions, 269 deletions
diff --git a/compat/mingw.c b/compat/mingw.c index 9f8f37f062..071863ae7e 100644 --- a/compat/mingw.c +++ b/compat/mingw.c @@ -1564,63 +1564,3 @@ pid_t waitpid(pid_t pid, int *status, unsigned options) errno = EINVAL; return -1; } - -#ifndef NO_MINGW_REPLACE_READDIR -/* MinGW readdir implementation to avoid extra lstats for Git */ -struct mingw_DIR -{ - struct _finddata_t dd_dta; /* disk transfer area for this dir */ - struct mingw_dirent dd_dir; /* Our own implementation, including d_type */ - long dd_handle; /* _findnext handle */ - int dd_stat; /* 0 = next entry to read is first entry, -1 = off the end, positive = 0 based index of next entry */ - char dd_name[1]; /* given path for dir with search pattern (struct is extended) */ -}; - -struct dirent *mingw_readdir(DIR *dir) -{ - WIN32_FIND_DATAA buf; - HANDLE handle; - struct mingw_DIR *mdir = (struct mingw_DIR*)dir; - - if (!dir || !dir->dd_handle) { - errno = EBADF; /* No set_errno for mingw */ - return NULL; - } - - if (dir->dd_handle == (long)INVALID_HANDLE_VALUE && dir->dd_stat == 0) - { - DWORD lasterr; - handle = FindFirstFileA(dir->dd_name, &buf); - lasterr = GetLastError(); - dir->dd_handle = (long)handle; - if (handle == INVALID_HANDLE_VALUE && (lasterr != ERROR_NO_MORE_FILES)) { - errno = err_win_to_posix(lasterr); - return NULL; - } - } else if (dir->dd_handle == (long)INVALID_HANDLE_VALUE) { - return NULL; - } else if (!FindNextFileA((HANDLE)dir->dd_handle, &buf)) { - DWORD lasterr = GetLastError(); - FindClose((HANDLE)dir->dd_handle); - dir->dd_handle = (long)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 */ - mdir->dd_dir.d_type = 0; - if (buf.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) - mdir->dd_dir.d_type |= DT_DIR; - else - mdir->dd_dir.d_type |= DT_REG; - - return (struct dirent*)&dir->dd_dir; -} -#endif // !NO_MINGW_REPLACE_READDIR diff --git a/compat/mingw.h b/compat/mingw.h index 99a746703f..40434d3395 100644 --- a/compat/mingw.h +++ b/compat/mingw.h @@ -319,35 +319,6 @@ int main(int argc, const char **argv) \ } \ static int mingw_main(c,v) -#ifndef NO_MINGW_REPLACE_READDIR -/* - * A replacement of readdir, to ensure that it reads the file type at - * the same time. This avoid extra unneeded lstats in git on MinGW - */ -#undef DT_UNKNOWN -#undef DT_DIR -#undef DT_REG -#undef DT_LNK -#define DT_UNKNOWN 0 -#define DT_DIR 1 -#define DT_REG 2 -#define DT_LNK 3 - -struct mingw_dirent -{ - long d_ino; /* Always zero. */ - union { - unsigned short d_reclen; /* Always zero. */ - unsigned char d_type; /* Reimplementation adds this */ - }; - unsigned short d_namlen; /* Length of name in d_name. */ - char d_name[FILENAME_MAX]; /* File name. */ -}; -#define dirent mingw_dirent -#define readdir(x) mingw_readdir(x) -struct dirent *mingw_readdir(DIR *dir); -#endif // !NO_MINGW_REPLACE_READDIR - /* * Used by Pthread API implementation for Windows */ diff --git a/compat/msvc.c b/compat/msvc.c index fdbfb70a62..71843d7eef 100644 --- a/compat/msvc.c +++ b/compat/msvc.c @@ -3,56 +3,4 @@ #include <conio.h> #include "../strbuf.h" -DIR *opendir(const char *name) -{ - DWORD attrs = GetFileAttributes(name); - int len; - DIR *p; - - /* check for valid path */ - if (attrs == INVALID_FILE_ATTRIBUTES) { - errno = ENOENT; - 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) - 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 = (long)INVALID_HANDLE_VALUE; - return p; -} -int closedir(DIR *dir) -{ - if (!dir) { - errno = EBADF; - return -1; - } - - if (dir->dd_handle != (long)INVALID_HANDLE_VALUE) - FindClose((HANDLE)dir->dd_handle); - free(dir); - return 0; -} - #include "mingw.c" diff --git a/compat/vcbuild/include/dirent.h b/compat/vcbuild/include/dirent.h deleted file mode 100644 index 440618db0d..0000000000 --- a/compat/vcbuild/include/dirent.h +++ /dev/null @@ -1,128 +0,0 @@ -/* - * DIRENT.H (formerly DIRLIB.H) - * This file has no copyright assigned and is placed in the Public Domain. - * This file is a part of the mingw-runtime package. - * - * The mingw-runtime package and its code is distributed in the hope that it - * will be useful but WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESSED OR - * IMPLIED ARE HEREBY DISCLAIMED. This includes but is not limited to - * warranties of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - * - * You are free to use this package and its code without limitation. - */ -#ifndef _DIRENT_H_ -#define _DIRENT_H_ -#include <io.h> - -#define PATH_MAX 512 - -#define __MINGW_NOTHROW - -#ifndef RC_INVOKED - -#ifdef __cplusplus -extern "C" { -#endif - -struct dirent -{ - long d_ino; /* Always zero. */ - unsigned short d_reclen; /* Always zero. */ - unsigned short d_namlen; /* Length of name in d_name. */ - char d_name[FILENAME_MAX]; /* File name. */ -}; - -/* - * This is an internal data structure. Good programmers will not use it - * except as an argument to one of the functions below. - * dd_stat field is now int (was short in older versions). - */ -typedef struct -{ - /* disk transfer area for this dir */ - struct _finddata_t dd_dta; - - /* dirent struct to return from dir (NOTE: this makes this thread - * safe as long as only one thread uses a particular DIR struct at - * a time) */ - struct dirent dd_dir; - - /* _findnext handle */ - long dd_handle; - - /* - * Status of search: - * 0 = not started yet (next entry to read is first entry) - * -1 = off the end - * positive = 0 based index of next entry - */ - int dd_stat; - - /* given path for dir with search pattern (struct is extended) */ - char dd_name[PATH_MAX+3]; -} DIR; - -DIR* __cdecl __MINGW_NOTHROW opendir (const char*); -struct dirent* __cdecl __MINGW_NOTHROW readdir (DIR*); -int __cdecl __MINGW_NOTHROW closedir (DIR*); -void __cdecl __MINGW_NOTHROW rewinddir (DIR*); -long __cdecl __MINGW_NOTHROW telldir (DIR*); -void __cdecl __MINGW_NOTHROW seekdir (DIR*, long); - - -/* wide char versions */ - -struct _wdirent -{ - long d_ino; /* Always zero. */ - unsigned short d_reclen; /* Always zero. */ - unsigned short d_namlen; /* Length of name in d_name. */ - wchar_t d_name[FILENAME_MAX]; /* File name. */ -}; - -/* - * This is an internal data structure. Good programmers will not use it - * except as an argument to one of the functions below. - */ -typedef struct -{ - /* disk transfer area for this dir */ - //struct _wfinddata_t dd_dta; - - /* dirent struct to return from dir (NOTE: this makes this thread - * safe as long as only one thread uses a particular DIR struct at - * a time) */ - struct _wdirent dd_dir; - - /* _findnext handle */ - long dd_handle; - - /* - * Status of search: - * 0 = not started yet (next entry to read is first entry) - * -1 = off the end - * positive = 0 based index of next entry - */ - int dd_stat; - - /* given path for dir with search pattern (struct is extended) */ - wchar_t dd_name[1]; -} _WDIR; - - - -_WDIR* __cdecl __MINGW_NOTHROW _wopendir (const wchar_t*); -struct _wdirent* __cdecl __MINGW_NOTHROW _wreaddir (_WDIR*); -int __cdecl __MINGW_NOTHROW _wclosedir (_WDIR*); -void __cdecl __MINGW_NOTHROW _wrewinddir (_WDIR*); -long __cdecl __MINGW_NOTHROW _wtelldir (_WDIR*); -void __cdecl __MINGW_NOTHROW _wseekdir (_WDIR*, long); - - -#ifdef __cplusplus -} -#endif - -#endif /* Not RC_INVOKED */ - -#endif /* Not _DIRENT_H_ */ diff --git a/compat/win32/dirent.c b/compat/win32/dirent.c new file mode 100644 index 0000000000..7a0debe51b --- /dev/null +++ b/compat/win32/dirent.c @@ -0,0 +1,108 @@ +#include "../git-compat-util.h" +#include "dirent.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 */ +}; + +DIR *opendir(const char *name) +{ + DWORD attrs = GetFileAttributesA(name); + int len; + DIR *p; + + /* check for valid path */ + if (attrs == INVALID_FILE_ATTRIBUTES) { + errno = ENOENT; + 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) + 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; +} + +struct dirent *readdir(DIR *dir) +{ + WIN32_FIND_DATAA buf; + HANDLE handle; + + if (!dir || !dir->dd_handle) { + 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); + 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; +} + +int closedir(DIR *dir) +{ + if (!dir) { + errno = EBADF; + return -1; + } + + if (dir->dd_handle != INVALID_HANDLE_VALUE) + FindClose(dir->dd_handle); + free(dir); + return 0; +} diff --git a/compat/win32/dirent.h b/compat/win32/dirent.h new file mode 100644 index 0000000000..927a25ca76 --- /dev/null +++ b/compat/win32/dirent.h @@ -0,0 +1,24 @@ +#ifndef DIRENT_H +#define DIRENT_H + +typedef struct DIR DIR; + +#define DT_UNKNOWN 0 +#define DT_DIR 1 +#define DT_REG 2 +#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 */ + }; +}; + +DIR *opendir(const char *dirname); +struct dirent *readdir(DIR *dir); +int closedir(DIR *dir); + +#endif /* DIRENT_H */ |