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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 Loading... |
| 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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