1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/skia/trunk/src/ports/SkOSFile_stdio.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,165 @@
1.4 +/*
1.5 + * Copyright 2006 The Android Open Source Project
1.6 + *
1.7 + * Use of this source code is governed by a BSD-style license that can be
1.8 + * found in the LICENSE file.
1.9 + */
1.10 +
1.11 +#include "SkOSFile.h"
1.12 +
1.13 +#include <errno.h>
1.14 +#include <stdio.h>
1.15 +#include <sys/stat.h>
1.16 +#include <sys/types.h>
1.17 +
1.18 +#ifdef _WIN32
1.19 +#include <direct.h>
1.20 +#include <io.h>
1.21 +#else
1.22 +#include <unistd.h>
1.23 +#endif
1.24 +
1.25 +SkFILE* sk_fopen(const char path[], SkFILE_Flags flags) {
1.26 + char perm[4];
1.27 + char* p = perm;
1.28 +
1.29 + if (flags & kRead_SkFILE_Flag) {
1.30 + *p++ = 'r';
1.31 + }
1.32 + if (flags & kWrite_SkFILE_Flag) {
1.33 + *p++ = 'w';
1.34 + }
1.35 + *p++ = 'b';
1.36 + *p = 0;
1.37 +
1.38 + //TODO: on Windows fopen is just ASCII or the current code page,
1.39 + //convert to utf16 and use _wfopen
1.40 + return (SkFILE*)::fopen(path, perm);
1.41 +}
1.42 +
1.43 +char* sk_fgets(char* str, int size, SkFILE* f) {
1.44 + return ::fgets(str, size, (FILE *)f);
1.45 +}
1.46 +
1.47 +int sk_feof(SkFILE *f) {
1.48 + // no :: namespace qualifier because it breaks android
1.49 + return feof((FILE *)f);
1.50 +}
1.51 +
1.52 +size_t sk_fgetsize(SkFILE* f) {
1.53 + SkASSERT(f);
1.54 +
1.55 + long curr = ::ftell((FILE*)f); // remember where we are
1.56 + if (curr < 0) {
1.57 + return 0;
1.58 + }
1.59 +
1.60 + ::fseek((FILE*)f, 0, SEEK_END); // go to the end
1.61 + long size = ::ftell((FILE*)f); // record the size
1.62 + if (size < 0) {
1.63 + size = 0;
1.64 + }
1.65 +
1.66 + ::fseek((FILE*)f, curr, SEEK_SET); // go back to our prev location
1.67 + return size;
1.68 +}
1.69 +
1.70 +bool sk_frewind(SkFILE* f) {
1.71 + SkASSERT(f);
1.72 + ::rewind((FILE*)f);
1.73 + return true;
1.74 +}
1.75 +
1.76 +size_t sk_fread(void* buffer, size_t byteCount, SkFILE* f) {
1.77 + SkASSERT(f);
1.78 + if (buffer == NULL) {
1.79 + size_t curr = ::ftell((FILE*)f);
1.80 + if ((long)curr == -1) {
1.81 + SkDEBUGF(("sk_fread: ftell(%p) returned -1 feof:%d ferror:%d\n", f, feof((FILE*)f), ferror((FILE*)f)));
1.82 + return 0;
1.83 + }
1.84 + int err = ::fseek((FILE*)f, (long)byteCount, SEEK_CUR);
1.85 + if (err != 0) {
1.86 + SkDEBUGF(("sk_fread: fseek(%d) tell:%d failed with feof:%d ferror:%d returned:%d\n",
1.87 + byteCount, curr, feof((FILE*)f), ferror((FILE*)f), err));
1.88 + return 0;
1.89 + }
1.90 + return byteCount;
1.91 + }
1.92 + else
1.93 + return ::fread(buffer, 1, byteCount, (FILE*)f);
1.94 +}
1.95 +
1.96 +size_t sk_fwrite(const void* buffer, size_t byteCount, SkFILE* f) {
1.97 + SkASSERT(f);
1.98 + return ::fwrite(buffer, 1, byteCount, (FILE*)f);
1.99 +}
1.100 +
1.101 +void sk_fflush(SkFILE* f) {
1.102 + SkASSERT(f);
1.103 + ::fflush((FILE*)f);
1.104 +}
1.105 +
1.106 +bool sk_fseek(SkFILE* f, size_t byteCount) {
1.107 + int err = ::fseek((FILE*)f, (long)byteCount, SEEK_SET);
1.108 + return err == 0;
1.109 +}
1.110 +
1.111 +bool sk_fmove(SkFILE* f, long byteCount) {
1.112 + int err = ::fseek((FILE*)f, byteCount, SEEK_CUR);
1.113 + return err == 0;
1.114 +}
1.115 +
1.116 +size_t sk_ftell(SkFILE* f) {
1.117 + long curr = ::ftell((FILE*)f);
1.118 + if (curr < 0) {
1.119 + return 0;
1.120 + }
1.121 + return curr;
1.122 +}
1.123 +
1.124 +void sk_fclose(SkFILE* f) {
1.125 + SkASSERT(f);
1.126 + ::fclose((FILE*)f);
1.127 +}
1.128 +
1.129 +bool sk_exists(const char *path) {
1.130 +#ifdef _WIN32
1.131 + return (0 == _access(path, 0));
1.132 +#else
1.133 + return (0 == access(path, 0));
1.134 +#endif
1.135 +}
1.136 +
1.137 +bool sk_isdir(const char *path) {
1.138 + struct stat status;
1.139 + if (0 != stat(path, &status)) {
1.140 + return false;
1.141 + }
1.142 + return SkToBool(status.st_mode & S_IFDIR);
1.143 +}
1.144 +
1.145 +bool sk_mkdir(const char* path) {
1.146 + if (sk_isdir(path)) {
1.147 + return true;
1.148 + }
1.149 + if (sk_exists(path)) {
1.150 + fprintf(stderr,
1.151 + "sk_mkdir: path '%s' already exists but is not a directory\n",
1.152 + path);
1.153 + return false;
1.154 + }
1.155 +
1.156 + int retval;
1.157 +#ifdef _WIN32
1.158 + retval = _mkdir(path);
1.159 +#else
1.160 + retval = mkdir(path, 0777);
1.161 +#endif
1.162 + if (0 == retval) {
1.163 + return true;
1.164 + } else {
1.165 + fprintf(stderr, "sk_mkdir: error %d creating dir '%s'\n", errno, path);
1.166 + return false;
1.167 + }
1.168 +}
