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Side by Side Diff: src/ports/SkOSFile_stdio.cpp

Issue 1695333003: SkOSFile_stdio: less :: (Closed) Base URL: https://skia.googlesource.com/skia@master
Patch Set: Created 4 years, 10 months ago
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1 /* 1 /*
2 * Copyright 2006 The Android Open Source Project 2 * Copyright 2006 The Android Open Source Project
3 * 3 *
4 * Use of this source code is governed by a BSD-style license that can be 4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file. 5 * found in the LICENSE file.
6 */ 6 */
7 7
8 #include "SkOSFile.h" 8 #include "SkOSFile.h"
9 #include "SkTypes.h" 9 #include "SkTypes.h"
10 10
11 #include <errno.h> 11 #include <errno.h>
12 #include <stdio.h> 12 #include <stdio.h>
13 #include <sys/stat.h> 13 #include <sys/stat.h>
14 14
15 #ifdef _WIN32 15 #ifdef _WIN32
16 #include <direct.h> 16 #include <direct.h>
17 #include <io.h> 17 #include <io.h>
18 #endif 18 #endif
19 19
20 #ifdef SK_BUILD_FOR_IOS 20 #ifdef SK_BUILD_FOR_IOS
21 #import <CoreFoundation/CoreFoundation.h> 21 #import <CoreFoundation/CoreFoundation.h>
22 22
23 static FILE* ios_open_from_bundle(const char path[], const char* perm) { 23 static FILE* ios_open_from_bundle(const char path[], const char* perm) {
24 // Get a reference to the main bundle 24 // Get a reference to the main bundle
25 CFBundleRef mainBundle = CFBundleGetMainBundle(); 25 CFBundleRef mainBundle = CFBundleGetMainBundle();
26 26
27 // Get a reference to the file's URL 27 // Get a reference to the file's URL
28 CFStringRef pathRef = CFStringCreateWithCString(NULL, path, kCFStringEncodin gUTF8); 28 CFStringRef pathRef = CFStringCreateWithCString(NULL, path, kCFStringEncodin gUTF8);
29 CFURLRef imageURL = CFBundleCopyResourceURL(mainBundle, pathRef, NULL, NULL) ; 29 CFURLRef imageURL = CFBundleCopyResourceURL(mainBundle, pathRef, NULL, NULL) ;
30 if (!imageURL) { 30 if (!imageURL) {
31 return nullptr; 31 return nullptr;
32 } 32 }
33 33
34 // Convert the URL reference into a string reference 34 // Convert the URL reference into a string reference
35 CFStringRef imagePath = CFURLCopyFileSystemPath(imageURL, kCFURLPOSIXPathSty le); 35 CFStringRef imagePath = CFURLCopyFileSystemPath(imageURL, kCFURLPOSIXPathSty le);
36 36
37 // Get the system encoding method 37 // Get the system encoding method
38 CFStringEncoding encodingMethod = CFStringGetSystemEncoding(); 38 CFStringEncoding encodingMethod = CFStringGetSystemEncoding();
39 39
40 // Convert the string reference into a C string 40 // Convert the string reference into a C string
41 const char *finalPath = CFStringGetCStringPtr(imagePath, encodingMethod); 41 const char *finalPath = CFStringGetCStringPtr(imagePath, encodingMethod);
42 42
43 return fopen(finalPath, perm); 43 return fopen(finalPath, perm);
44 } 44 }
45 #endif 45 #endif
46 46
47 47
48 FILE* sk_fopen(const char path[], SkFILE_Flags flags) { 48 FILE* sk_fopen(const char path[], SkFILE_Flags flags) {
49 char perm[4]; 49 char perm[4];
50 char* p = perm; 50 char* p = perm;
51 51
52 if (flags & kRead_SkFILE_Flag) { 52 if (flags & kRead_SkFILE_Flag) {
53 *p++ = 'r'; 53 *p++ = 'r';
54 } 54 }
55 if (flags & kWrite_SkFILE_Flag) { 55 if (flags & kWrite_SkFILE_Flag) {
56 *p++ = 'w'; 56 *p++ = 'w';
57 } 57 }
58 *p++ = 'b'; 58 *p++ = 'b';
59 *p = 0; 59 *p = 0;
60 60
61 //TODO: on Windows fopen is just ASCII or the current code page, 61 //TODO: on Windows fopen is just ASCII or the current code page,
62 //convert to utf16 and use _wfopen 62 //convert to utf16 and use _wfopen
63 FILE* file = nullptr; 63 FILE* file = nullptr;
64 #ifdef SK_BUILD_FOR_IOS 64 #ifdef SK_BUILD_FOR_IOS
65 // if read-only, try to open from bundle first 65 // if read-only, try to open from bundle first
66 if (kRead_SkFILE_Flag == flags) { 66 if (kRead_SkFILE_Flag == flags) {
67 file = ios_open_from_bundle(path, perm); 67 file = ios_open_from_bundle(path, perm);
68 } 68 }
69 // otherwise just read from the Documents directory (default) 69 // otherwise just read from the Documents directory (default)
70 if (!file) { 70 if (!file) {
71 #endif 71 #endif
72 file = ::fopen(path, perm); 72 file = fopen(path, perm);
73 #ifdef SK_BUILD_FOR_IOS 73 #ifdef SK_BUILD_FOR_IOS
74 } 74 }
75 #endif 75 #endif
76 if (nullptr == file && (flags & kWrite_SkFILE_Flag)) { 76 if (nullptr == file && (flags & kWrite_SkFILE_Flag)) {
77 SkDEBUGF(("sk_fopen: fopen(\"%s\", \"%s\") returned NULL (errno:%d): %s\ n", 77 SkDEBUGF(("sk_fopen: fopen(\"%s\", \"%s\") returned NULL (errno:%d): %s\ n",
78 path, perm, errno, strerror(errno))); 78 path, perm, errno, strerror(errno)));
79 } 79 }
80 return file; 80 return file;
81 } 81 }
82 82
83 char* sk_fgets(char* str, int size, FILE* f) { 83 char* sk_fgets(char* str, int size, FILE* f) {
84 return ::fgets(str, size, (FILE *)f); 84 return fgets(str, size, (FILE *)f);
85 } 85 }
86 86
87 int sk_feof(FILE *f) { 87 int sk_feof(FILE *f) {
88 // no :: namespace qualifier because it breaks android 88 // no :: namespace qualifier because it breaks android
89 return feof((FILE *)f); 89 return feof((FILE *)f);
90 } 90 }
91 91
92 size_t sk_fgetsize(FILE* f) { 92 size_t sk_fgetsize(FILE* f) {
93 SkASSERT(f); 93 SkASSERT(f);
94 94
95 long curr = ::ftell(f); // remember where we are 95 long curr = ftell(f); // remember where we are
96 if (curr < 0) { 96 if (curr < 0) {
97 return 0; 97 return 0;
98 } 98 }
99 99
100 ::fseek(f, 0, SEEK_END); // go to the end 100 fseek(f, 0, SEEK_END); // go to the end
101 long size = ::ftell(f); // record the size 101 long size = ftell(f); // record the size
102 if (size < 0) { 102 if (size < 0) {
103 size = 0; 103 size = 0;
104 } 104 }
105 105
106 ::fseek(f, curr, SEEK_SET); // go back to our prev location 106 fseek(f, curr, SEEK_SET); // go back to our prev location
107 return size; 107 return size;
108 } 108 }
109 109
110 bool sk_frewind(FILE* f) { 110 bool sk_frewind(FILE* f) {
111 SkASSERT(f); 111 SkASSERT(f);
112 ::rewind(f); 112 ::rewind(f);
113 return true; 113 return true;
114 } 114 }
115 115
116 size_t sk_fread(void* buffer, size_t byteCount, FILE* f) { 116 size_t sk_fread(void* buffer, size_t byteCount, FILE* f) {
117 SkASSERT(f); 117 SkASSERT(f);
118 if (buffer == nullptr) { 118 if (buffer == nullptr) {
119 size_t curr = ::ftell(f); 119 size_t curr = ftell(f);
120 if ((long)curr == -1) { 120 if ((long)curr == -1) {
121 SkDEBUGF(("sk_fread: ftell(%p) returned -1 feof:%d ferror:%d\n", f, feof(f), ferror(f))); 121 SkDEBUGF(("sk_fread: ftell(%p) returned -1 feof:%d ferror:%d\n", f, feof(f), ferror(f)));
122 return 0; 122 return 0;
123 } 123 }
124 int err = ::fseek(f, (long)byteCount, SEEK_CUR); 124 int err = fseek(f, (long)byteCount, SEEK_CUR);
125 if (err != 0) { 125 if (err != 0) {
126 SkDEBUGF(("sk_fread: fseek(%d) tell:%d failed with feof:%d ferror:%d returned:%d\n", 126 SkDEBUGF(("sk_fread: fseek(%d) tell:%d failed with feof:%d ferror:%d returned:%d\n",
127 byteCount, curr, feof(f), ferror(f), err)); 127 byteCount, curr, feof(f), ferror(f), err));
128 return 0; 128 return 0;
129 } 129 }
130 return byteCount; 130 return byteCount;
131 } 131 }
132 else 132 else
133 return ::fread(buffer, 1, byteCount, f); 133 return fread(buffer, 1, byteCount, f);
134 } 134 }
135 135
136 size_t sk_fwrite(const void* buffer, size_t byteCount, FILE* f) { 136 size_t sk_fwrite(const void* buffer, size_t byteCount, FILE* f) {
137 SkASSERT(f); 137 SkASSERT(f);
138 return ::fwrite(buffer, 1, byteCount, f); 138 return fwrite(buffer, 1, byteCount, f);
139 } 139 }
140 140
141 void sk_fflush(FILE* f) { 141 void sk_fflush(FILE* f) {
142 SkASSERT(f); 142 SkASSERT(f);
143 ::fflush(f); 143 fflush(f);
144 } 144 }
145 145
146 void sk_fsync(FILE* f) { 146 void sk_fsync(FILE* f) {
147 #if !defined(_WIN32) && !defined(SK_BUILD_FOR_ANDROID) && !defined(__UCLIBC__) \ 147 #if !defined(_WIN32) && !defined(SK_BUILD_FOR_ANDROID) && !defined(__UCLIBC__) \
148 && !defined(_NEWLIB_VERSION) 148 && !defined(_NEWLIB_VERSION)
149 int fd = ::fileno(f); 149 int fd = fileno(f);
150 ::fsync(fd); 150 fsync(fd);
151 #endif 151 #endif
152 } 152 }
153 153
154 bool sk_fseek(FILE* f, size_t byteCount) { 154 bool sk_fseek(FILE* f, size_t byteCount) {
155 int err = ::fseek(f, (long)byteCount, SEEK_SET); 155 int err = fseek(f, (long)byteCount, SEEK_SET);
156 return err == 0; 156 return err == 0;
157 } 157 }
158 158
159 bool sk_fmove(FILE* f, long byteCount) { 159 bool sk_fmove(FILE* f, long byteCount) {
160 int err = ::fseek(f, byteCount, SEEK_CUR); 160 int err = fseek(f, byteCount, SEEK_CUR);
161 return err == 0; 161 return err == 0;
162 } 162 }
163 163
164 size_t sk_ftell(FILE* f) { 164 size_t sk_ftell(FILE* f) {
165 long curr = ::ftell(f); 165 long curr = ftell(f);
166 if (curr < 0) { 166 if (curr < 0) {
167 return 0; 167 return 0;
168 } 168 }
169 return curr; 169 return curr;
170 } 170 }
171 171
172 void sk_fclose(FILE* f) { 172 void sk_fclose(FILE* f) {
173 SkASSERT(f); 173 SkASSERT(f);
174 ::fclose(f); 174 fclose(f);
175 } 175 }
176 176
177 bool sk_isdir(const char *path) { 177 bool sk_isdir(const char *path) {
178 struct stat status; 178 struct stat status;
179 if (0 != stat(path, &status)) { 179 if (0 != stat(path, &status)) {
180 return false; 180 return false;
181 } 181 }
182 return SkToBool(status.st_mode & S_IFDIR); 182 return SkToBool(status.st_mode & S_IFDIR);
183 } 183 }
184 184
(...skipping 14 matching lines...) Expand all
199 #else 199 #else
200 retval = mkdir(path, 0777); 200 retval = mkdir(path, 0777);
201 #endif 201 #endif
202 if (0 == retval) { 202 if (0 == retval) {
203 return true; 203 return true;
204 } else { 204 } else {
205 fprintf(stderr, "sk_mkdir: error %d creating dir '%s'\n", errno, path); 205 fprintf(stderr, "sk_mkdir: error %d creating dir '%s'\n", errno, path);
206 return false; 206 return false;
207 } 207 }
208 } 208 }
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