epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 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 | */ |
| 7 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 8 | #include "SkOSFile.h" |
| 9 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 10 | #include <errno.h> |
epoger@google.com | e8ebeb1 | 2012-10-29 16:42:11 +0000 | [diff] [blame] | 11 | #include <stdio.h> |
| 12 | #include <sys/stat.h> |
| 13 | #include <sys/types.h> |
| 14 | |
| 15 | #ifdef _WIN32 |
| 16 | #include <direct.h> |
| 17 | #include <io.h> |
epoger@google.com | e8ebeb1 | 2012-10-29 16:42:11 +0000 | [diff] [blame] | 18 | #endif |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 19 | |
bungeman@google.com | 6cab1a4 | 2013-05-29 13:43:31 +0000 | [diff] [blame] | 20 | SkFILE* sk_fopen(const char path[], SkFILE_Flags flags) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 21 | char perm[4]; |
| 22 | char* p = perm; |
| 23 | |
bungeman@google.com | 6cab1a4 | 2013-05-29 13:43:31 +0000 | [diff] [blame] | 24 | if (flags & kRead_SkFILE_Flag) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 25 | *p++ = 'r'; |
bungeman@google.com | 6cab1a4 | 2013-05-29 13:43:31 +0000 | [diff] [blame] | 26 | } |
| 27 | if (flags & kWrite_SkFILE_Flag) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 28 | *p++ = 'w'; |
bungeman@google.com | 6cab1a4 | 2013-05-29 13:43:31 +0000 | [diff] [blame] | 29 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 30 | *p++ = 'b'; |
| 31 | *p = 0; |
| 32 | |
commit-bot@chromium.org | 9711e44 | 2013-04-24 20:03:00 +0000 | [diff] [blame] | 33 | //TODO: on Windows fopen is just ASCII or the current code page, |
| 34 | //convert to utf16 and use _wfopen |
bungeman@google.com | 6cab1a4 | 2013-05-29 13:43:31 +0000 | [diff] [blame] | 35 | return (SkFILE*)::fopen(path, perm); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 36 | } |
| 37 | |
humper@google.com | 18a48c3 | 2013-01-14 19:42:08 +0000 | [diff] [blame] | 38 | char* sk_fgets(char* str, int size, SkFILE* f) { |
| 39 | return ::fgets(str, size, (FILE *)f); |
humper@google.com | 7af56be | 2013-01-14 18:49:19 +0000 | [diff] [blame] | 40 | } |
| 41 | |
| 42 | int sk_feof(SkFILE *f) { |
humper@google.com | d386b0e | 2013-01-14 22:01:14 +0000 | [diff] [blame] | 43 | // no :: namespace qualifier because it breaks android |
| 44 | return feof((FILE *)f); |
humper@google.com | 7af56be | 2013-01-14 18:49:19 +0000 | [diff] [blame] | 45 | } |
| 46 | |
bungeman@google.com | 6cab1a4 | 2013-05-29 13:43:31 +0000 | [diff] [blame] | 47 | size_t sk_fgetsize(SkFILE* f) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 48 | SkASSERT(f); |
| 49 | |
bungeman@google.com | 6cab1a4 | 2013-05-29 13:43:31 +0000 | [diff] [blame] | 50 | long curr = ::ftell((FILE*)f); // remember where we are |
vandebo@chromium.org | 6390c72 | 2012-03-28 21:03:22 +0000 | [diff] [blame] | 51 | if (curr < 0) { |
| 52 | return 0; |
| 53 | } |
bungeman@google.com | 6cab1a4 | 2013-05-29 13:43:31 +0000 | [diff] [blame] | 54 | |
| 55 | ::fseek((FILE*)f, 0, SEEK_END); // go to the end |
| 56 | long size = ::ftell((FILE*)f); // record the size |
vandebo@chromium.org | 6390c72 | 2012-03-28 21:03:22 +0000 | [diff] [blame] | 57 | if (size < 0) { |
| 58 | size = 0; |
| 59 | } |
bungeman@google.com | 6cab1a4 | 2013-05-29 13:43:31 +0000 | [diff] [blame] | 60 | |
| 61 | ::fseek((FILE*)f, curr, SEEK_SET); // go back to our prev location |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 62 | return size; |
| 63 | } |
| 64 | |
bungeman@google.com | 6cab1a4 | 2013-05-29 13:43:31 +0000 | [diff] [blame] | 65 | bool sk_frewind(SkFILE* f) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 66 | SkASSERT(f); |
| 67 | ::rewind((FILE*)f); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 68 | return true; |
| 69 | } |
| 70 | |
bungeman@google.com | 6cab1a4 | 2013-05-29 13:43:31 +0000 | [diff] [blame] | 71 | size_t sk_fread(void* buffer, size_t byteCount, SkFILE* f) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 72 | SkASSERT(f); |
bungeman@google.com | 6cab1a4 | 2013-05-29 13:43:31 +0000 | [diff] [blame] | 73 | if (buffer == NULL) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 74 | size_t curr = ::ftell((FILE*)f); |
| 75 | if ((long)curr == -1) { |
| 76 | SkDEBUGF(("sk_fread: ftell(%p) returned -1 feof:%d ferror:%d\n", f, feof((FILE*)f), ferror((FILE*)f))); |
| 77 | return 0; |
| 78 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 79 | int err = ::fseek((FILE*)f, (long)byteCount, SEEK_CUR); |
| 80 | if (err != 0) { |
| 81 | SkDEBUGF(("sk_fread: fseek(%d) tell:%d failed with feof:%d ferror:%d returned:%d\n", |
| 82 | byteCount, curr, feof((FILE*)f), ferror((FILE*)f), err)); |
| 83 | return 0; |
| 84 | } |
| 85 | return byteCount; |
| 86 | } |
| 87 | else |
| 88 | return ::fread(buffer, 1, byteCount, (FILE*)f); |
| 89 | } |
| 90 | |
bungeman@google.com | 6cab1a4 | 2013-05-29 13:43:31 +0000 | [diff] [blame] | 91 | size_t sk_fwrite(const void* buffer, size_t byteCount, SkFILE* f) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 92 | SkASSERT(f); |
| 93 | return ::fwrite(buffer, 1, byteCount, (FILE*)f); |
| 94 | } |
| 95 | |
bungeman@google.com | 6cab1a4 | 2013-05-29 13:43:31 +0000 | [diff] [blame] | 96 | void sk_fflush(SkFILE* f) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 97 | SkASSERT(f); |
| 98 | ::fflush((FILE*)f); |
| 99 | } |
| 100 | |
bungeman@google.com | 6cab1a4 | 2013-05-29 13:43:31 +0000 | [diff] [blame] | 101 | bool sk_fseek(SkFILE* f, size_t byteCount) { |
| 102 | int err = ::fseek((FILE*)f, (long)byteCount, SEEK_SET); |
| 103 | return err == 0; |
| 104 | } |
| 105 | |
| 106 | bool sk_fmove(SkFILE* f, long byteCount) { |
| 107 | int err = ::fseek((FILE*)f, byteCount, SEEK_CUR); |
| 108 | return err == 0; |
| 109 | } |
| 110 | |
| 111 | size_t sk_ftell(SkFILE* f) { |
| 112 | long curr = ::ftell((FILE*)f); |
| 113 | if (curr < 0) { |
| 114 | return 0; |
| 115 | } |
| 116 | return curr; |
| 117 | } |
| 118 | |
| 119 | void sk_fclose(SkFILE* f) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 120 | SkASSERT(f); |
| 121 | ::fclose((FILE*)f); |
| 122 | } |
| 123 | |
bungeman@google.com | 6cab1a4 | 2013-05-29 13:43:31 +0000 | [diff] [blame] | 124 | bool sk_isdir(const char *path) { |
epoger@google.com | e8ebeb1 | 2012-10-29 16:42:11 +0000 | [diff] [blame] | 125 | struct stat status; |
| 126 | if (0 != stat(path, &status)) { |
| 127 | return false; |
| 128 | } |
scroggo@google.com | 6e72516 | 2012-11-01 16:28:23 +0000 | [diff] [blame] | 129 | return SkToBool(status.st_mode & S_IFDIR); |
epoger@google.com | e8ebeb1 | 2012-10-29 16:42:11 +0000 | [diff] [blame] | 130 | } |
| 131 | |
bungeman@google.com | 6cab1a4 | 2013-05-29 13:43:31 +0000 | [diff] [blame] | 132 | bool sk_mkdir(const char* path) { |
epoger@google.com | e8ebeb1 | 2012-10-29 16:42:11 +0000 | [diff] [blame] | 133 | if (sk_isdir(path)) { |
| 134 | return true; |
| 135 | } |
| 136 | if (sk_exists(path)) { |
| 137 | fprintf(stderr, |
| 138 | "sk_mkdir: path '%s' already exists but is not a directory\n", |
| 139 | path); |
| 140 | return false; |
| 141 | } |
| 142 | |
| 143 | int retval; |
| 144 | #ifdef _WIN32 |
| 145 | retval = _mkdir(path); |
| 146 | #else |
| 147 | retval = mkdir(path, 0777); |
| 148 | #endif |
| 149 | if (0 == retval) { |
| 150 | return true; |
| 151 | } else { |
| 152 | fprintf(stderr, "sk_mkdir: error %d creating dir '%s'\n", errno, path); |
| 153 | return false; |
| 154 | } |
| 155 | } |