1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/intl/icu/source/tools/toolutil/filestrm.c Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,225 @@
1.4 +/*
1.5 +******************************************************************************
1.6 +*
1.7 +* Copyright (C) 1997-2011, International Business Machines
1.8 +* Corporation and others. All Rights Reserved.
1.9 +*
1.10 +******************************************************************************
1.11 +*
1.12 +* File FILESTRM.C
1.13 +*
1.14 +* @author Glenn Marcy
1.15 +*
1.16 +* Modification History:
1.17 +*
1.18 +* Date Name Description
1.19 +* 5/8/98 gm Created
1.20 +* 03/02/99 stephen Reordered params in ungetc to match stdio
1.21 +* Added wopen
1.22 +* 3/29/99 helena Merged Stephen and Bertrand's changes.
1.23 +*
1.24 +******************************************************************************
1.25 +*/
1.26 +
1.27 +#include "filestrm.h"
1.28 +
1.29 +#include "cmemory.h"
1.30 +
1.31 +#include <stdio.h>
1.32 +
1.33 +U_CAPI FileStream* U_EXPORT2
1.34 +T_FileStream_open(const char* filename, const char* mode)
1.35 +{
1.36 + if(filename != NULL && *filename != 0 && mode != NULL && *mode != 0) {
1.37 + FILE *file = fopen(filename, mode);
1.38 + return (FileStream*)file;
1.39 + } else {
1.40 + return NULL;
1.41 + }
1.42 +}
1.43 +
1.44 +/*
1.45 +U_CAPI FileStream* U_EXPORT2
1.46 +T_FileStream_wopen(const wchar_t* filename, const wchar_t* mode)
1.47 +{
1.48 + // TBD: _wfopen is believed to be MS-specific?
1.49 +#if U_PLATFORM_USES_ONLY_WIN32_API
1.50 + FILE* result = _wfopen(filename, mode);
1.51 + return (FileStream*)result;
1.52 +#else
1.53 + size_t fnMbsSize, mdMbsSize;
1.54 + char *fn, *md;
1.55 + FILE *result;
1.56 +
1.57 + // convert from wchar_t to char
1.58 + fnMbsSize = wcstombs(NULL, filename, ((size_t)-1) >> 1);
1.59 + fn = (char*)uprv_malloc(fnMbsSize+2);
1.60 + wcstombs(fn, filename, fnMbsSize);
1.61 + fn[fnMbsSize] = 0;
1.62 +
1.63 + mdMbsSize = wcstombs(NULL, mode, ((size_t)-1) >> 1);
1.64 + md = (char*)uprv_malloc(mdMbsSize+2);
1.65 + wcstombs(md, mode, mdMbsSize);
1.66 + md[mdMbsSize] = 0;
1.67 +
1.68 + result = fopen(fn, md);
1.69 + uprv_free(fn);
1.70 + uprv_free(md);
1.71 + return (FileStream*)result;
1.72 +#endif
1.73 +}
1.74 +*/
1.75 +U_CAPI void U_EXPORT2
1.76 +T_FileStream_close(FileStream* fileStream)
1.77 +{
1.78 + if (fileStream != 0)
1.79 + fclose((FILE*)fileStream);
1.80 +}
1.81 +
1.82 +U_CAPI UBool U_EXPORT2
1.83 +T_FileStream_file_exists(const char* filename)
1.84 +{
1.85 + FILE* temp = fopen(filename, "r");
1.86 + if (temp) {
1.87 + fclose(temp);
1.88 + return TRUE;
1.89 + } else
1.90 + return FALSE;
1.91 +}
1.92 +
1.93 +/*static const int32_t kEOF;
1.94 +const int32_t FileStream::kEOF = EOF;*/
1.95 +
1.96 +/*
1.97 +U_CAPI FileStream*
1.98 +T_FileStream_tmpfile()
1.99 +{
1.100 + FILE* file = tmpfile();
1.101 + return (FileStream*)file;
1.102 +}
1.103 +*/
1.104 +
1.105 +U_CAPI int32_t U_EXPORT2
1.106 +T_FileStream_read(FileStream* fileStream, void* addr, int32_t len)
1.107 +{
1.108 + return fread(addr, 1, len, (FILE*)fileStream);
1.109 +}
1.110 +
1.111 +U_CAPI int32_t U_EXPORT2
1.112 +T_FileStream_write(FileStream* fileStream, const void* addr, int32_t len)
1.113 +{
1.114 +
1.115 + return fwrite(addr, 1, len, (FILE*)fileStream);
1.116 +}
1.117 +
1.118 +U_CAPI void U_EXPORT2
1.119 +T_FileStream_rewind(FileStream* fileStream)
1.120 +{
1.121 + rewind((FILE*)fileStream);
1.122 +}
1.123 +
1.124 +U_CAPI int32_t U_EXPORT2
1.125 +T_FileStream_putc(FileStream* fileStream, int32_t ch)
1.126 +{
1.127 + int32_t c = fputc(ch, (FILE*)fileStream);
1.128 + return c;
1.129 +}
1.130 +
1.131 +U_CAPI int U_EXPORT2
1.132 +T_FileStream_getc(FileStream* fileStream)
1.133 +{
1.134 + int c = fgetc((FILE*)fileStream);
1.135 + return c;
1.136 +}
1.137 +
1.138 +U_CAPI int32_t U_EXPORT2
1.139 +T_FileStream_ungetc(int32_t ch, FileStream* fileStream)
1.140 +{
1.141 +
1.142 + int32_t c = ungetc(ch, (FILE*)fileStream);
1.143 + return c;
1.144 +}
1.145 +
1.146 +U_CAPI int32_t U_EXPORT2
1.147 +T_FileStream_peek(FileStream* fileStream)
1.148 +{
1.149 + int32_t c = fgetc((FILE*)fileStream);
1.150 + return ungetc(c, (FILE*)fileStream);
1.151 +}
1.152 +
1.153 +U_CAPI char* U_EXPORT2
1.154 +T_FileStream_readLine(FileStream* fileStream, char* buffer, int32_t length)
1.155 +{
1.156 + return fgets(buffer, length, (FILE*)fileStream);
1.157 +}
1.158 +
1.159 +U_CAPI int32_t U_EXPORT2
1.160 +T_FileStream_writeLine(FileStream* fileStream, const char* buffer)
1.161 +{
1.162 + return fputs(buffer, (FILE*)fileStream);
1.163 +}
1.164 +
1.165 +U_CAPI int32_t U_EXPORT2
1.166 +T_FileStream_size(FileStream* fileStream)
1.167 +{
1.168 + int32_t savedPos = ftell((FILE*)fileStream);
1.169 + int32_t size = 0;
1.170 +
1.171 + /*Changes by Bertrand A. D. doesn't affect the current position
1.172 + goes to the end of the file before ftell*/
1.173 + fseek((FILE*)fileStream, 0, SEEK_END);
1.174 + size = (int32_t)ftell((FILE*)fileStream);
1.175 + fseek((FILE*)fileStream, savedPos, SEEK_SET);
1.176 + return size;
1.177 +}
1.178 +
1.179 +U_CAPI int U_EXPORT2
1.180 +T_FileStream_eof(FileStream* fileStream)
1.181 +{
1.182 + return feof((FILE*)fileStream);
1.183 +}
1.184 +
1.185 +/*
1.186 + Warning
1.187 + This function may not work consistently on all platforms
1.188 + (e.g. HP-UX, FreeBSD and MacOSX don't return an error when
1.189 + putc is used on a file opened as readonly)
1.190 +*/
1.191 +U_CAPI int U_EXPORT2
1.192 +T_FileStream_error(FileStream* fileStream)
1.193 +{
1.194 + return (fileStream == 0 || ferror((FILE*)fileStream));
1.195 +}
1.196 +
1.197 +/* This function doesn't work. */
1.198 +/* force the stream to set its error flag*/
1.199 +/*U_CAPI void U_EXPORT2
1.200 +T_FileStream_setError(FileStream* fileStream)
1.201 +{
1.202 + fseek((FILE*)fileStream, 99999, SEEK_SET);
1.203 +}
1.204 +*/
1.205 +
1.206 +U_CAPI FileStream* U_EXPORT2
1.207 +T_FileStream_stdin(void)
1.208 +{
1.209 + return (FileStream*)stdin;
1.210 +}
1.211 +
1.212 +U_CAPI FileStream* U_EXPORT2
1.213 +T_FileStream_stdout(void)
1.214 +{
1.215 + return (FileStream*)stdout;
1.216 +}
1.217 +
1.218 +
1.219 +U_CAPI FileStream* U_EXPORT2
1.220 +T_FileStream_stderr(void)
1.221 +{
1.222 + return (FileStream*)stderr;
1.223 +}
1.224 +
1.225 +U_CAPI UBool U_EXPORT2
1.226 +T_FileStream_remove(const char* fileName){
1.227 + return (remove(fileName) == 0);
1.228 +}
