diff options
Diffstat (limited to 'src/port/dirent.c')
| -rw-r--r-- | src/port/dirent.c | 216 |
1 files changed, 108 insertions, 108 deletions
diff --git a/src/port/dirent.c b/src/port/dirent.c index 3722db862d5..18e8d84f698 100644 --- a/src/port/dirent.c +++ b/src/port/dirent.c @@ -1,108 +1,108 @@ -/*-------------------------------------------------------------------------
- *
- * dirent.c
- * opendir/readdir/closedir for win32/msvc
- *
- * Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group
- * Portions Copyright (c) 1994, Regents of the University of California
- *
- *
- * IDENTIFICATION
- * $PostgreSQL: pgsql/src/port/dirent.c,v 1.1 2006/06/07 22:24:46 momjian Exp $
- *
- *-------------------------------------------------------------------------
- */
-
-#include "postgres.h"
-#include <dirent.h>
-
-
-struct DIR {
- char *dirname;
- struct dirent ret; /* Used to return to caller */
- HANDLE handle;
-};
-
-DIR* opendir(const char *dirname)
-{
- DWORD attr;
- DIR *d;
-
- /* Make sure it is a directory */
- attr = GetFileAttributes(dirname);
- if (attr == INVALID_FILE_ATTRIBUTES)
- {
- errno = ENOENT;
- return NULL;
- }
- if ((attr & FILE_ATTRIBUTE_DIRECTORY) != FILE_ATTRIBUTE_DIRECTORY)
- {
- errno = ENOTDIR;
- return NULL;
- }
-
- d = malloc(sizeof(DIR));
- if (!d)
- {
- errno = ENOMEM;
- return NULL;
- }
- d->dirname = malloc(strlen(dirname)+4);
- if (!d->dirname)
- {
- errno = ENOMEM;
- free(d);
- return NULL;
- }
- strcpy(d->dirname, dirname);
- if (d->dirname[strlen(d->dirname)-1] != '/' &&
- d->dirname[strlen(d->dirname)-1] != '\\')
- strcat(d->dirname,"\\"); /* Append backslash if not already there */
- strcat(d->dirname,"*"); /* Search for entries named anything */
- d->handle = INVALID_HANDLE_VALUE;
- d->ret.d_ino = 0; /* no inodes on win32 */
- d->ret.d_reclen = 0; /* not used on win32 */
-
- return d;
-}
-
-struct dirent* readdir(DIR * d)
-{
- WIN32_FIND_DATA fd;
-
- if (d->handle == INVALID_HANDLE_VALUE)
- {
- d->handle = FindFirstFile(d->dirname, &fd);
- if (d->handle == INVALID_HANDLE_VALUE)
- {
- errno = ENOENT;
- return NULL;
- }
- }
- else
- {
- if (!FindNextFile(d->handle, &fd))
- {
- if (GetLastError() == ERROR_NO_MORE_FILES)
- {
- /* No more files, force errno=0 (unlike mingw) */
- errno = 0;
- return NULL;
- }
- _dosmaperr(GetLastError());
- return NULL;
- }
- }
- strcpy(d->ret.d_name, fd.cFileName); /* Both strings are MAX_PATH long */
- d->ret.d_namlen = strlen(d->ret.d_name);
- return &d->ret;
-}
-
-int closedir(DIR *d)
-{
- if (d->handle != INVALID_HANDLE_VALUE)
- FindClose(d->handle);
- free(d->dirname);
- free(d);
- return 0;
-}
+/*------------------------------------------------------------------------- + * + * dirent.c + * opendir/readdir/closedir for win32/msvc + * + * Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group + * Portions Copyright (c) 1994, Regents of the University of California + * + * + * IDENTIFICATION + * $PostgreSQL: pgsql/src/port/dirent.c,v 1.2 2006/06/26 12:58:17 momjian Exp $ + * + *------------------------------------------------------------------------- + */ + +#include "postgres.h" +#include <dirent.h> + + +struct DIR { + char *dirname; + struct dirent ret; /* Used to return to caller */ + HANDLE handle; +}; + +DIR* opendir(const char *dirname) +{ + DWORD attr; + DIR *d; + + /* Make sure it is a directory */ + attr = GetFileAttributes(dirname); + if (attr == INVALID_FILE_ATTRIBUTES) + { + errno = ENOENT; + return NULL; + } + if ((attr & FILE_ATTRIBUTE_DIRECTORY) != FILE_ATTRIBUTE_DIRECTORY) + { + errno = ENOTDIR; + return NULL; + } + + d = malloc(sizeof(DIR)); + if (!d) + { + errno = ENOMEM; + return NULL; + } + d->dirname = malloc(strlen(dirname)+4); + if (!d->dirname) + { + errno = ENOMEM; + free(d); + return NULL; + } + strcpy(d->dirname, dirname); + if (d->dirname[strlen(d->dirname)-1] != '/' && + d->dirname[strlen(d->dirname)-1] != '\\') + strcat(d->dirname,"\\"); /* Append backslash if not already there */ + strcat(d->dirname,"*"); /* Search for entries named anything */ + d->handle = INVALID_HANDLE_VALUE; + d->ret.d_ino = 0; /* no inodes on win32 */ + d->ret.d_reclen = 0; /* not used on win32 */ + + return d; +} + +struct dirent* readdir(DIR * d) +{ + WIN32_FIND_DATA fd; + + if (d->handle == INVALID_HANDLE_VALUE) + { + d->handle = FindFirstFile(d->dirname, &fd); + if (d->handle == INVALID_HANDLE_VALUE) + { + errno = ENOENT; + return NULL; + } + } + else + { + if (!FindNextFile(d->handle, &fd)) + { + if (GetLastError() == ERROR_NO_MORE_FILES) + { + /* No more files, force errno=0 (unlike mingw) */ + errno = 0; + return NULL; + } + _dosmaperr(GetLastError()); + return NULL; + } + } + strcpy(d->ret.d_name, fd.cFileName); /* Both strings are MAX_PATH long */ + d->ret.d_namlen = strlen(d->ret.d_name); + return &d->ret; +} + +int closedir(DIR *d) +{ + if (d->handle != INVALID_HANDLE_VALUE) + FindClose(d->handle); + free(d->dirname); + free(d); + return 0; +} |