chromium/third_party/skia/src/ports/SkOSFile_stdio.cpp

/*
 * Copyright 2006 The Android Open Source Project
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#include "include/core/SkTypes.h"
#include "src/core/SkOSFile.h"

#include <errno.h>
#include <stdio.h>
#include <sys/stat.h>

#ifdef _WIN32
#include <direct.h>
#include <io.h>
#include <vector>
#include "src/base/SkUTF.h"
#endif

#ifdef SK_BUILD_FOR_IOS
#include "src/ports/SkOSFile_ios.h"
#endif

#ifdef _WIN32
static bool is_ascii(const char* s) {
    while (char v = *s++) {
        if ((v & 0x80) != 0) {
            return false;
        }
    }
    return true;
}

static FILE* fopen_win(const char* utf8path, const char* perm) {
    if (is_ascii(utf8path)) {
        return fopen(utf8path, perm);
    }

    const char* ptr = utf8path;
    const char* end = utf8path + strlen(utf8path);
    size_t n = 0;
    while (ptr < end) {
        SkUnichar u = SkUTF::NextUTF8(&ptr, end);
        if (u < 0) {
            return nullptr;  // malformed UTF-8
        }
        n += SkUTF::ToUTF16(u);
    }
    std::vector<uint16_t> wchars(n + 1);
    uint16_t* out = wchars.data();
    ptr = utf8path;
    while (ptr < end) {
        out += SkUTF::ToUTF16(SkUTF::NextUTF8(&ptr, end), out);
    }
    SkASSERT(out == &wchars[n]);
    *out = 0; // final null
    wchar_t wperms[4] = {(wchar_t)perm[0], (wchar_t)perm[1], (wchar_t)perm[2], (wchar_t)perm[3]};
    return _wfopen((wchar_t*)wchars.data(), wperms);
}
#endif

FILE* sk_fopen(const char path[], SkFILE_Flags flags) { … }

size_t sk_fgetsize(FILE* f) { … }

size_t sk_fwrite(const void* buffer, size_t byteCount, FILE* f) { … }

void sk_fflush(FILE* f) { … }

size_t sk_ftell(FILE* f) { … }

void sk_fclose(FILE* f) { … }

bool sk_isdir(const char *path) { … }

bool sk_mkdir(const char* path) { … }