--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/dav/system.c Fri Jun 08 19:58:17 2018 +0200
@@ -0,0 +1,183 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright 2018 Olaf Wintermann. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <dirent.h>
+
+#include "system.h"
+
+void sys_freedirent(SysDirEnt *ent) {
+ free(ent->name);
+ free(ent);
+}
+
+#ifndef _WIN32
+/* ---------- POSIX implementation ---------- */
+
+SYS_DIR sys_opendir(const char *path) {
+ return opendir(path);
+}
+
+SysDirEnt* sys_readdir(SYS_DIR dir) {
+ struct dirent *ent = readdir(dir);
+ if(ent) {
+ SysDirEnt *e = malloc(sizeof(SysDirEnt));
+ e->name = strdup(ent->d_name);
+ return e;
+ }
+ return NULL;
+}
+
+void sys_closedir(SYS_DIR dir) {
+ closedir(dir);
+}
+
+FILE* sys_fopen(const char *path, const char *mode) {
+ return fopen(path, mode);
+}
+
+int sys_stat(const char *path, SYS_STAT *s) {
+ return stat(path, s);
+}
+
+
+#else
+/* ---------- Windows implementation ---------- */
+
+static wchar_t* path2winpath(const char *path, int dir, int *newlen) {
+ size_t len = strlen(path);
+ size_t lenadd = dir ? 2 : 0;
+
+
+ wchar_t *wpath = calloc(len+lenadd, sizeof(wchar_t));
+ int wlen = MultiByteToWideChar(
+ CP_UTF8,
+ 0,
+ path,
+ len,
+ wpath,
+ len+1
+ );
+ if(newlen) {
+ *newlen = wlen;
+ }
+ for(int i=0;i<wlen;i++) {
+ if(wpath[i] == L'/') {
+ wpath[i] = L'\\';
+ }
+ }
+
+ if(dir) {
+ if(wpath[wlen-1] != L'\\') {
+ wpath[wlen++] = L'\\';
+ }
+ wpath[wlen++] = L'*';
+ }
+ wpath[wlen] = 0;
+
+ return wpath;
+}
+
+SYS_DIR sys_opendir(const char *path) {
+ struct WinDir *dir = malloc(sizeof(struct WinDir));
+ wchar_t *dirpath = path2winpath(path, TRUE, NULL);
+ if(!dirpath) {
+ fprintf(stderr, "Cannot convert path \"%s\" to UTF16\n", path);
+ free(dir);
+ return NULL;
+ }
+ dir->first = 1;
+ dir->handle = FindFirstFileW(dirpath, &dir->finddata);
+ free(dirpath);
+ if(dir->handle == INVALID_HANDLE_VALUE) {
+ free(dir);
+ return NULL;
+ }
+ return dir;
+}
+
+SysDirEnt* sys_readdir(SYS_DIR dir) {
+ if(dir->first) {
+ dir->first = 0;
+ } else {
+ if(FindNextFileW(dir->handle, &dir->finddata) == 0) {
+ return NULL;
+ }
+ }
+
+ size_t namelen = wcslen(dir->finddata.cFileName);
+
+ char *name = malloc((namelen+1)*4);
+ int nlen = WideCharToMultiByte(
+ CP_UTF8,
+ 0,
+ dir->finddata.cFileName,
+ -1,
+ name,
+ 256,
+ NULL,
+ NULL);
+ if(nlen > 0) {
+ name[nlen] = 0;
+ SysDirEnt *ent = malloc(sizeof(SysDirEnt));
+ ent->name = name;
+ return ent;
+ } else {
+ return NULL;
+ }
+}
+
+void sys_closedir(SYS_DIR dir) {
+ FindClose(dir->handle);
+ free(dir);
+}
+
+FILE* sys_fopen(const char *path, const char *mode) {
+ wchar_t *fpath = path2winpath(path, FALSE, NULL);
+ wchar_t *fmode = path2winpath(mode, FALSE, NULL);
+
+ FILE *file = (fpath && fmode) ? _wfopen(fpath, fmode) : NULL;
+ free(fpath);
+ free(fmode);
+ return file;
+}
+
+int sys_stat(const char *path, SYS_STAT *s) {
+ wchar_t *fpath = path2winpath(path, FALSE, NULL);
+ if(!fpath) {
+ fprintf(stderr, "Cannot convert path \"%s\" to UTF16\n", path);
+ return -1;
+ }
+ int ret = _wstat64(fpath, s);
+ free(fpath);
+ return ret;
+}
+
+#endif
\ No newline at end of file