diff options
Diffstat (limited to 'w32/compat')
-rw-r--r-- | w32/compat/dirent.c | 412 |
1 files changed, 206 insertions, 206 deletions
diff --git a/w32/compat/dirent.c b/w32/compat/dirent.c index 0664a16..6e88933 100644 --- a/w32/compat/dirent.c +++ b/w32/compat/dirent.c @@ -1,206 +1,206 @@ -/* Directory entry code for Window platforms.
-Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
-2006, 2007 Free Software Foundation, Inc.
-This file is part of GNU Make.
-
-GNU Make is free software; you can redistribute it and/or modify it under the
-terms of the GNU General Public License as published by the Free Software
-Foundation; either version 3 of the License, or (at your option) any later
-version.
-
-GNU Make is distributed in the hope that it will be useful, but WITHOUT ANY
-WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
-A PARTICULAR PURPOSE. See the 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, see <http://www.gnu.org/licenses/>. */
-
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <errno.h>
-#include <string.h>
-#include <stdlib.h>
-#include "dirent.h"
-
-
-DIR*
-opendir(const char* pDirName)
-{
- struct stat sb;
- DIR* pDir;
- char* pEndDirName;
- int nBufferLen;
-
- /* sanity checks */
- if (!pDirName) {
- errno = EINVAL;
- return NULL;
- }
- if (stat(pDirName, &sb) != 0) {
- errno = ENOENT;
- return NULL;
- }
- if ((sb.st_mode & S_IFMT) != S_IFDIR) {
- errno = ENOTDIR;
- return NULL;
- }
-
- /* allocate a DIR structure to return */
- pDir = (DIR *) malloc(sizeof (DIR));
-
- if (!pDir)
- return NULL;
-
- /* input directory name length */
- nBufferLen = strlen(pDirName);
-
- /* copy input directory name to DIR buffer */
- strcpy(pDir->dir_pDirectoryName, pDirName);
-
- /* point to end of the copied directory name */
- pEndDirName = &pDir->dir_pDirectoryName[nBufferLen - 1];
-
- /* if directory name did not end in '/' or '\', add '/' */
- if ((*pEndDirName != '/') && (*pEndDirName != '\\')) {
- pEndDirName++;
- *pEndDirName = '/';
- }
-
- /* now append the wildcard character to the buffer */
- pEndDirName++;
- *pEndDirName = '*';
- pEndDirName++;
- *pEndDirName = '\0';
-
- /* other values defaulted */
- pDir->dir_nNumFiles = 0;
- pDir->dir_hDirHandle = INVALID_HANDLE_VALUE;
- pDir->dir_ulCookie = __DIRENT_COOKIE;
-
- return pDir;
-}
-
-void
-closedir(DIR *pDir)
-{
- /* got a valid pointer? */
- if (!pDir) {
- errno = EINVAL;
- return;
- }
-
- /* sanity check that this is a DIR pointer */
- if (pDir->dir_ulCookie != __DIRENT_COOKIE) {
- errno = EINVAL;
- return;
- }
-
- /* close the WINDOWS32 directory handle */
- if (pDir->dir_hDirHandle != INVALID_HANDLE_VALUE)
- FindClose(pDir->dir_hDirHandle);
-
- free(pDir);
-
- return;
-}
-
-struct dirent *
-readdir(DIR* pDir)
-{
- WIN32_FIND_DATA wfdFindData;
-
- if (!pDir) {
- errno = EINVAL;
- return NULL;
- }
-
- /* sanity check that this is a DIR pointer */
- if (pDir->dir_ulCookie != __DIRENT_COOKIE) {
- errno = EINVAL;
- return NULL;
- }
-
- if (pDir->dir_nNumFiles == 0) {
- pDir->dir_hDirHandle = FindFirstFile(pDir->dir_pDirectoryName, &wfdFindData);
- if (pDir->dir_hDirHandle == INVALID_HANDLE_VALUE)
- return NULL;
- } else if (!FindNextFile(pDir->dir_hDirHandle, &wfdFindData))
- return NULL;
-
- /* bump count for next call to readdir() or telldir() */
- pDir->dir_nNumFiles++;
-
- /* fill in struct dirent values */
- pDir->dir_sdReturn.d_ino = -1;
- strcpy(pDir->dir_sdReturn.d_name, wfdFindData.cFileName);
-
- return &pDir->dir_sdReturn;
-}
-
-void
-rewinddir(DIR* pDir)
-{
- if (!pDir) {
- errno = EINVAL;
- return;
- }
-
- /* sanity check that this is a DIR pointer */
- if (pDir->dir_ulCookie != __DIRENT_COOKIE) {
- errno = EINVAL;
- return;
- }
-
- /* close the WINDOWS32 directory handle */
- if (pDir->dir_hDirHandle != INVALID_HANDLE_VALUE)
- if (!FindClose(pDir->dir_hDirHandle))
- errno = EBADF;
-
- /* reset members which control readdir() */
- pDir->dir_hDirHandle = INVALID_HANDLE_VALUE;
- pDir->dir_nNumFiles = 0;
-
- return;
-}
-
-int
-telldir(DIR* pDir)
-{
- if (!pDir) {
- errno = EINVAL;
- return -1;
- }
-
- /* sanity check that this is a DIR pointer */
- if (pDir->dir_ulCookie != __DIRENT_COOKIE) {
- errno = EINVAL;
- return -1;
- }
-
- /* return number of times readdir() called */
- return pDir->dir_nNumFiles;
-}
-
-void
-seekdir(DIR* pDir, long nPosition)
-{
- if (!pDir)
- return;
-
- /* sanity check that this is a DIR pointer */
- if (pDir->dir_ulCookie != __DIRENT_COOKIE)
- return;
-
- /* go back to beginning of directory */
- rewinddir(pDir);
-
- /* loop until we have found position we care about */
- for (--nPosition; nPosition && readdir(pDir); nPosition--);
-
- /* flag invalid nPosition value */
- if (nPosition)
- errno = EINVAL;
-
- return;
-}
+/* Directory entry code for Window platforms. +Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, +2006, 2007 Free Software Foundation, Inc. +This file is part of GNU Make. + +GNU Make is free software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the Free Software +Foundation; either version 3 of the License, or (at your option) any later +version. + +GNU Make is distributed in the hope that it will be useful, but WITHOUT ANY +WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR +A PARTICULAR PURPOSE. See the 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, see <http://www.gnu.org/licenses/>. */ + + +#include <sys/types.h> +#include <sys/stat.h> +#include <errno.h> +#include <string.h> +#include <stdlib.h> +#include "dirent.h" + + +DIR* +opendir(const char* pDirName) +{ + struct stat sb; + DIR* pDir; + char* pEndDirName; + int nBufferLen; + + /* sanity checks */ + if (!pDirName) { + errno = EINVAL; + return NULL; + } + if (stat(pDirName, &sb) != 0) { + errno = ENOENT; + return NULL; + } + if ((sb.st_mode & S_IFMT) != S_IFDIR) { + errno = ENOTDIR; + return NULL; + } + + /* allocate a DIR structure to return */ + pDir = (DIR *) malloc(sizeof (DIR)); + + if (!pDir) + return NULL; + + /* input directory name length */ + nBufferLen = strlen(pDirName); + + /* copy input directory name to DIR buffer */ + strcpy(pDir->dir_pDirectoryName, pDirName); + + /* point to end of the copied directory name */ + pEndDirName = &pDir->dir_pDirectoryName[nBufferLen - 1]; + + /* if directory name did not end in '/' or '\', add '/' */ + if ((*pEndDirName != '/') && (*pEndDirName != '\\')) { + pEndDirName++; + *pEndDirName = '/'; + } + + /* now append the wildcard character to the buffer */ + pEndDirName++; + *pEndDirName = '*'; + pEndDirName++; + *pEndDirName = '\0'; + + /* other values defaulted */ + pDir->dir_nNumFiles = 0; + pDir->dir_hDirHandle = INVALID_HANDLE_VALUE; + pDir->dir_ulCookie = __DIRENT_COOKIE; + + return pDir; +} + +void +closedir(DIR *pDir) +{ + /* got a valid pointer? */ + if (!pDir) { + errno = EINVAL; + return; + } + + /* sanity check that this is a DIR pointer */ + if (pDir->dir_ulCookie != __DIRENT_COOKIE) { + errno = EINVAL; + return; + } + + /* close the WINDOWS32 directory handle */ + if (pDir->dir_hDirHandle != INVALID_HANDLE_VALUE) + FindClose(pDir->dir_hDirHandle); + + free(pDir); + + return; +} + +struct dirent * +readdir(DIR* pDir) +{ + WIN32_FIND_DATA wfdFindData; + + if (!pDir) { + errno = EINVAL; + return NULL; + } + + /* sanity check that this is a DIR pointer */ + if (pDir->dir_ulCookie != __DIRENT_COOKIE) { + errno = EINVAL; + return NULL; + } + + if (pDir->dir_nNumFiles == 0) { + pDir->dir_hDirHandle = FindFirstFile(pDir->dir_pDirectoryName, &wfdFindData); + if (pDir->dir_hDirHandle == INVALID_HANDLE_VALUE) + return NULL; + } else if (!FindNextFile(pDir->dir_hDirHandle, &wfdFindData)) + return NULL; + + /* bump count for next call to readdir() or telldir() */ + pDir->dir_nNumFiles++; + + /* fill in struct dirent values */ + pDir->dir_sdReturn.d_ino = -1; + strcpy(pDir->dir_sdReturn.d_name, wfdFindData.cFileName); + + return &pDir->dir_sdReturn; +} + +void +rewinddir(DIR* pDir) +{ + if (!pDir) { + errno = EINVAL; + return; + } + + /* sanity check that this is a DIR pointer */ + if (pDir->dir_ulCookie != __DIRENT_COOKIE) { + errno = EINVAL; + return; + } + + /* close the WINDOWS32 directory handle */ + if (pDir->dir_hDirHandle != INVALID_HANDLE_VALUE) + if (!FindClose(pDir->dir_hDirHandle)) + errno = EBADF; + + /* reset members which control readdir() */ + pDir->dir_hDirHandle = INVALID_HANDLE_VALUE; + pDir->dir_nNumFiles = 0; + + return; +} + +int +telldir(DIR* pDir) +{ + if (!pDir) { + errno = EINVAL; + return -1; + } + + /* sanity check that this is a DIR pointer */ + if (pDir->dir_ulCookie != __DIRENT_COOKIE) { + errno = EINVAL; + return -1; + } + + /* return number of times readdir() called */ + return pDir->dir_nNumFiles; +} + +void +seekdir(DIR* pDir, long nPosition) +{ + if (!pDir) + return; + + /* sanity check that this is a DIR pointer */ + if (pDir->dir_ulCookie != __DIRENT_COOKIE) + return; + + /* go back to beginning of directory */ + rewinddir(pDir); + + /* loop until we have found position we care about */ + for (--nPosition; nPosition && readdir(pDir); nPosition--); + + /* flag invalid nPosition value */ + if (nPosition) + errno = EINVAL; + + return; +} |