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comparison: intl/icu/source/tools/toolutil/filestrm.c
intl/icu/source/tools/toolutil/filestrm.c
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| -1:000000000000 | 0:0993dc4545d8 |
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| 1 /* | |
| 2 ****************************************************************************** | |
| 3 * | |
| 4 * Copyright (C) 1997-2011, International Business Machines | |
| 5 * Corporation and others. All Rights Reserved. | |
| 6 * | |
| 7 ****************************************************************************** | |
| 8 * | |
| 9 * File FILESTRM.C | |
| 10 * | |
| 11 * @author Glenn Marcy | |
| 12 * | |
| 13 * Modification History: | |
| 14 * | |
| 15 * Date Name Description | |
| 16 * 5/8/98 gm Created | |
| 17 * 03/02/99 stephen Reordered params in ungetc to match stdio | |
| 18 * Added wopen | |
| 19 * 3/29/99 helena Merged Stephen and Bertrand's changes. | |
| 20 * | |
| 21 ****************************************************************************** | |
| 22 */ | |
| 23 | |
| 24 #include "filestrm.h" | |
| 25 | |
| 26 #include "cmemory.h" | |
| 27 | |
| 28 #include <stdio.h> | |
| 29 | |
| 30 U_CAPI FileStream* U_EXPORT2 | |
| 31 T_FileStream_open(const char* filename, const char* mode) | |
| 32 { | |
| 33 if(filename != NULL && *filename != 0 && mode != NULL && *mode != 0) { | |
| 34 FILE *file = fopen(filename, mode); | |
| 35 return (FileStream*)file; | |
| 36 } else { | |
| 37 return NULL; | |
| 38 } | |
| 39 } | |
| 40 | |
| 41 /* | |
| 42 U_CAPI FileStream* U_EXPORT2 | |
| 43 T_FileStream_wopen(const wchar_t* filename, const wchar_t* mode) | |
| 44 { | |
| 45 // TBD: _wfopen is believed to be MS-specific? | |
| 46 #if U_PLATFORM_USES_ONLY_WIN32_API | |
| 47 FILE* result = _wfopen(filename, mode); | |
| 48 return (FileStream*)result; | |
| 49 #else | |
| 50 size_t fnMbsSize, mdMbsSize; | |
| 51 char *fn, *md; | |
| 52 FILE *result; | |
| 53 | |
| 54 // convert from wchar_t to char | |
| 55 fnMbsSize = wcstombs(NULL, filename, ((size_t)-1) >> 1); | |
| 56 fn = (char*)uprv_malloc(fnMbsSize+2); | |
| 57 wcstombs(fn, filename, fnMbsSize); | |
| 58 fn[fnMbsSize] = 0; | |
| 59 | |
| 60 mdMbsSize = wcstombs(NULL, mode, ((size_t)-1) >> 1); | |
| 61 md = (char*)uprv_malloc(mdMbsSize+2); | |
| 62 wcstombs(md, mode, mdMbsSize); | |
| 63 md[mdMbsSize] = 0; | |
| 64 | |
| 65 result = fopen(fn, md); | |
| 66 uprv_free(fn); | |
| 67 uprv_free(md); | |
| 68 return (FileStream*)result; | |
| 69 #endif | |
| 70 } | |
| 71 */ | |
| 72 U_CAPI void U_EXPORT2 | |
| 73 T_FileStream_close(FileStream* fileStream) | |
| 74 { | |
| 75 if (fileStream != 0) | |
| 76 fclose((FILE*)fileStream); | |
| 77 } | |
| 78 | |
| 79 U_CAPI UBool U_EXPORT2 | |
| 80 T_FileStream_file_exists(const char* filename) | |
| 81 { | |
| 82 FILE* temp = fopen(filename, "r"); | |
| 83 if (temp) { | |
| 84 fclose(temp); | |
| 85 return TRUE; | |
| 86 } else | |
| 87 return FALSE; | |
| 88 } | |
| 89 | |
| 90 /*static const int32_t kEOF; | |
| 91 const int32_t FileStream::kEOF = EOF;*/ | |
| 92 | |
| 93 /* | |
| 94 U_CAPI FileStream* | |
| 95 T_FileStream_tmpfile() | |
| 96 { | |
| 97 FILE* file = tmpfile(); | |
| 98 return (FileStream*)file; | |
| 99 } | |
| 100 */ | |
| 101 | |
| 102 U_CAPI int32_t U_EXPORT2 | |
| 103 T_FileStream_read(FileStream* fileStream, void* addr, int32_t len) | |
| 104 { | |
| 105 return fread(addr, 1, len, (FILE*)fileStream); | |
| 106 } | |
| 107 | |
| 108 U_CAPI int32_t U_EXPORT2 | |
| 109 T_FileStream_write(FileStream* fileStream, const void* addr, int32_t len) | |
| 110 { | |
| 111 | |
| 112 return fwrite(addr, 1, len, (FILE*)fileStream); | |
| 113 } | |
| 114 | |
| 115 U_CAPI void U_EXPORT2 | |
| 116 T_FileStream_rewind(FileStream* fileStream) | |
| 117 { | |
| 118 rewind((FILE*)fileStream); | |
| 119 } | |
| 120 | |
| 121 U_CAPI int32_t U_EXPORT2 | |
| 122 T_FileStream_putc(FileStream* fileStream, int32_t ch) | |
| 123 { | |
| 124 int32_t c = fputc(ch, (FILE*)fileStream); | |
| 125 return c; | |
| 126 } | |
| 127 | |
| 128 U_CAPI int U_EXPORT2 | |
| 129 T_FileStream_getc(FileStream* fileStream) | |
| 130 { | |
| 131 int c = fgetc((FILE*)fileStream); | |
| 132 return c; | |
| 133 } | |
| 134 | |
| 135 U_CAPI int32_t U_EXPORT2 | |
| 136 T_FileStream_ungetc(int32_t ch, FileStream* fileStream) | |
| 137 { | |
| 138 | |
| 139 int32_t c = ungetc(ch, (FILE*)fileStream); | |
| 140 return c; | |
| 141 } | |
| 142 | |
| 143 U_CAPI int32_t U_EXPORT2 | |
| 144 T_FileStream_peek(FileStream* fileStream) | |
| 145 { | |
| 146 int32_t c = fgetc((FILE*)fileStream); | |
| 147 return ungetc(c, (FILE*)fileStream); | |
| 148 } | |
| 149 | |
| 150 U_CAPI char* U_EXPORT2 | |
| 151 T_FileStream_readLine(FileStream* fileStream, char* buffer, int32_t length) | |
| 152 { | |
| 153 return fgets(buffer, length, (FILE*)fileStream); | |
| 154 } | |
| 155 | |
| 156 U_CAPI int32_t U_EXPORT2 | |
| 157 T_FileStream_writeLine(FileStream* fileStream, const char* buffer) | |
| 158 { | |
| 159 return fputs(buffer, (FILE*)fileStream); | |
| 160 } | |
| 161 | |
| 162 U_CAPI int32_t U_EXPORT2 | |
| 163 T_FileStream_size(FileStream* fileStream) | |
| 164 { | |
| 165 int32_t savedPos = ftell((FILE*)fileStream); | |
| 166 int32_t size = 0; | |
| 167 | |
| 168 /*Changes by Bertrand A. D. doesn't affect the current position | |
| 169 goes to the end of the file before ftell*/ | |
| 170 fseek((FILE*)fileStream, 0, SEEK_END); | |
| 171 size = (int32_t)ftell((FILE*)fileStream); | |
| 172 fseek((FILE*)fileStream, savedPos, SEEK_SET); | |
| 173 return size; | |
| 174 } | |
| 175 | |
| 176 U_CAPI int U_EXPORT2 | |
| 177 T_FileStream_eof(FileStream* fileStream) | |
| 178 { | |
| 179 return feof((FILE*)fileStream); | |
| 180 } | |
| 181 | |
| 182 /* | |
| 183 Warning | |
| 184 This function may not work consistently on all platforms | |
| 185 (e.g. HP-UX, FreeBSD and MacOSX don't return an error when | |
| 186 putc is used on a file opened as readonly) | |
| 187 */ | |
| 188 U_CAPI int U_EXPORT2 | |
| 189 T_FileStream_error(FileStream* fileStream) | |
| 190 { | |
| 191 return (fileStream == 0 || ferror((FILE*)fileStream)); | |
| 192 } | |
| 193 | |
| 194 /* This function doesn't work. */ | |
| 195 /* force the stream to set its error flag*/ | |
| 196 /*U_CAPI void U_EXPORT2 | |
| 197 T_FileStream_setError(FileStream* fileStream) | |
| 198 { | |
| 199 fseek((FILE*)fileStream, 99999, SEEK_SET); | |
| 200 } | |
| 201 */ | |
| 202 | |
| 203 U_CAPI FileStream* U_EXPORT2 | |
| 204 T_FileStream_stdin(void) | |
| 205 { | |
| 206 return (FileStream*)stdin; | |
| 207 } | |
| 208 | |
| 209 U_CAPI FileStream* U_EXPORT2 | |
| 210 T_FileStream_stdout(void) | |
| 211 { | |
| 212 return (FileStream*)stdout; | |
| 213 } | |
| 214 | |
| 215 | |
| 216 U_CAPI FileStream* U_EXPORT2 | |
| 217 T_FileStream_stderr(void) | |
| 218 { | |
| 219 return (FileStream*)stderr; | |
| 220 } | |
| 221 | |
| 222 U_CAPI UBool U_EXPORT2 | |
| 223 T_FileStream_remove(const char* fileName){ | |
| 224 return (remove(fileName) == 0); | |
| 225 } |
