diff options
Diffstat (limited to 'src/port/dirent.c')
| -rw-r--r-- | src/port/dirent.c | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/src/port/dirent.c b/src/port/dirent.c new file mode 100644 index 0000000000..3722db862d --- /dev/null +++ b/src/port/dirent.c @@ -0,0 +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;
+}
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