gfx/skia/trunk/src/ports/SkOSFile_stdio.cpp@129ffea94266
gfx/skia/trunk/src/ports/SkOSFile_stdio.cpp
Sat, 03 Jan 2015 20:18:00 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Sat, 03 Jan 2015 20:18:00 +0100
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
- permissions
- -rw-r--r--
Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.
1 /*
2 * Copyright 2006 The Android Open Source Project
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
8 #include "SkOSFile.h"
10 #include <errno.h>
11 #include <stdio.h>
12 #include <sys/stat.h>
13 #include <sys/types.h>
15 #ifdef _WIN32
16 #include <direct.h>
17 #include <io.h>
18 #else
19 #include <unistd.h>
20 #endif
22 SkFILE* sk_fopen(const char path[], SkFILE_Flags flags) {
23 char perm[4];
24 char* p = perm;
26 if (flags & kRead_SkFILE_Flag) {
27 *p++ = 'r';
28 }
29 if (flags & kWrite_SkFILE_Flag) {
30 *p++ = 'w';
31 }
32 *p++ = 'b';
33 *p = 0;
35 //TODO: on Windows fopen is just ASCII or the current code page,
36 //convert to utf16 and use _wfopen
37 return (SkFILE*)::fopen(path, perm);
38 }
40 char* sk_fgets(char* str, int size, SkFILE* f) {
41 return ::fgets(str, size, (FILE *)f);
42 }
44 int sk_feof(SkFILE *f) {
45 // no :: namespace qualifier because it breaks android
46 return feof((FILE *)f);
47 }
49 size_t sk_fgetsize(SkFILE* f) {
50 SkASSERT(f);
52 long curr = ::ftell((FILE*)f); // remember where we are
53 if (curr < 0) {
54 return 0;
55 }
57 ::fseek((FILE*)f, 0, SEEK_END); // go to the end
58 long size = ::ftell((FILE*)f); // record the size
59 if (size < 0) {
60 size = 0;
61 }
63 ::fseek((FILE*)f, curr, SEEK_SET); // go back to our prev location
64 return size;
65 }
67 bool sk_frewind(SkFILE* f) {
68 SkASSERT(f);
69 ::rewind((FILE*)f);
70 return true;
71 }
73 size_t sk_fread(void* buffer, size_t byteCount, SkFILE* f) {
74 SkASSERT(f);
75 if (buffer == NULL) {
76 size_t curr = ::ftell((FILE*)f);
77 if ((long)curr == -1) {
78 SkDEBUGF(("sk_fread: ftell(%p) returned -1 feof:%d ferror:%d\n", f, feof((FILE*)f), ferror((FILE*)f)));
79 return 0;
80 }
81 int err = ::fseek((FILE*)f, (long)byteCount, SEEK_CUR);
82 if (err != 0) {
83 SkDEBUGF(("sk_fread: fseek(%d) tell:%d failed with feof:%d ferror:%d returned:%d\n",
84 byteCount, curr, feof((FILE*)f), ferror((FILE*)f), err));
85 return 0;
86 }
87 return byteCount;
88 }
89 else
90 return ::fread(buffer, 1, byteCount, (FILE*)f);
91 }
93 size_t sk_fwrite(const void* buffer, size_t byteCount, SkFILE* f) {
94 SkASSERT(f);
95 return ::fwrite(buffer, 1, byteCount, (FILE*)f);
96 }
98 void sk_fflush(SkFILE* f) {
99 SkASSERT(f);
100 ::fflush((FILE*)f);
101 }
103 bool sk_fseek(SkFILE* f, size_t byteCount) {
104 int err = ::fseek((FILE*)f, (long)byteCount, SEEK_SET);
105 return err == 0;
106 }
108 bool sk_fmove(SkFILE* f, long byteCount) {
109 int err = ::fseek((FILE*)f, byteCount, SEEK_CUR);
110 return err == 0;
111 }
113 size_t sk_ftell(SkFILE* f) {
114 long curr = ::ftell((FILE*)f);
115 if (curr < 0) {
116 return 0;
117 }
118 return curr;
119 }
121 void sk_fclose(SkFILE* f) {
122 SkASSERT(f);
123 ::fclose((FILE*)f);
124 }
126 bool sk_exists(const char *path) {
127 #ifdef _WIN32
128 return (0 == _access(path, 0));
129 #else
130 return (0 == access(path, 0));
131 #endif
132 }
134 bool sk_isdir(const char *path) {
135 struct stat status;
136 if (0 != stat(path, &status)) {
137 return false;
138 }
139 return SkToBool(status.st_mode & S_IFDIR);
140 }
142 bool sk_mkdir(const char* path) {
143 if (sk_isdir(path)) {
144 return true;
145 }
146 if (sk_exists(path)) {
147 fprintf(stderr,
148 "sk_mkdir: path '%s' already exists but is not a directory\n",
149 path);
150 return false;
151 }
153 int retval;
154 #ifdef _WIN32
155 retval = _mkdir(path);
156 #else
157 retval = mkdir(path, 0777);
158 #endif
159 if (0 == retval) {
160 return true;
161 } else {
162 fprintf(stderr, "sk_mkdir: error %d creating dir '%s'\n", errno, path);
163 return false;
164 }
165 }
