diff options
Diffstat (limited to 'intl/icu/source/tools/toolutil/filestrm.c')
-rw-r--r-- | intl/icu/source/tools/toolutil/filestrm.c | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/intl/icu/source/tools/toolutil/filestrm.c b/intl/icu/source/tools/toolutil/filestrm.c new file mode 100644 index 000000000..e84160efd --- /dev/null +++ b/intl/icu/source/tools/toolutil/filestrm.c @@ -0,0 +1,227 @@ +// Copyright (C) 2016 and later: Unicode, Inc. and others. +// License & terms of use: http://www.unicode.org/copyright.html +/* +****************************************************************************** +* +* Copyright (C) 1997-2011, International Business Machines +* Corporation and others. All Rights Reserved. +* +****************************************************************************** +* +* File FILESTRM.C +* +* @author Glenn Marcy +* +* Modification History: +* +* Date Name Description +* 5/8/98 gm Created +* 03/02/99 stephen Reordered params in ungetc to match stdio +* Added wopen +* 3/29/99 helena Merged Stephen and Bertrand's changes. +* +****************************************************************************** +*/ + +#include "filestrm.h" + +#include "cmemory.h" + +#include <stdio.h> + +U_CAPI FileStream* U_EXPORT2 +T_FileStream_open(const char* filename, const char* mode) +{ + if(filename != NULL && *filename != 0 && mode != NULL && *mode != 0) { + FILE *file = fopen(filename, mode); + return (FileStream*)file; + } else { + return NULL; + } +} + +/* +U_CAPI FileStream* U_EXPORT2 +T_FileStream_wopen(const wchar_t* filename, const wchar_t* mode) +{ + // TBD: _wfopen is believed to be MS-specific? +#if U_PLATFORM_USES_ONLY_WIN32_API + FILE* result = _wfopen(filename, mode); + return (FileStream*)result; +#else + size_t fnMbsSize, mdMbsSize; + char *fn, *md; + FILE *result; + + // convert from wchar_t to char + fnMbsSize = wcstombs(NULL, filename, ((size_t)-1) >> 1); + fn = (char*)uprv_malloc(fnMbsSize+2); + wcstombs(fn, filename, fnMbsSize); + fn[fnMbsSize] = 0; + + mdMbsSize = wcstombs(NULL, mode, ((size_t)-1) >> 1); + md = (char*)uprv_malloc(mdMbsSize+2); + wcstombs(md, mode, mdMbsSize); + md[mdMbsSize] = 0; + + result = fopen(fn, md); + uprv_free(fn); + uprv_free(md); + return (FileStream*)result; +#endif +} +*/ +U_CAPI void U_EXPORT2 +T_FileStream_close(FileStream* fileStream) +{ + if (fileStream != 0) + fclose((FILE*)fileStream); +} + +U_CAPI UBool U_EXPORT2 +T_FileStream_file_exists(const char* filename) +{ + FILE* temp = fopen(filename, "r"); + if (temp) { + fclose(temp); + return TRUE; + } else + return FALSE; +} + +/*static const int32_t kEOF; +const int32_t FileStream::kEOF = EOF;*/ + +/* +U_CAPI FileStream* +T_FileStream_tmpfile() +{ + FILE* file = tmpfile(); + return (FileStream*)file; +} +*/ + +U_CAPI int32_t U_EXPORT2 +T_FileStream_read(FileStream* fileStream, void* addr, int32_t len) +{ + return fread(addr, 1, len, (FILE*)fileStream); +} + +U_CAPI int32_t U_EXPORT2 +T_FileStream_write(FileStream* fileStream, const void* addr, int32_t len) +{ + + return fwrite(addr, 1, len, (FILE*)fileStream); +} + +U_CAPI void U_EXPORT2 +T_FileStream_rewind(FileStream* fileStream) +{ + rewind((FILE*)fileStream); +} + +U_CAPI int32_t U_EXPORT2 +T_FileStream_putc(FileStream* fileStream, int32_t ch) +{ + int32_t c = fputc(ch, (FILE*)fileStream); + return c; +} + +U_CAPI int U_EXPORT2 +T_FileStream_getc(FileStream* fileStream) +{ + int c = fgetc((FILE*)fileStream); + return c; +} + +U_CAPI int32_t U_EXPORT2 +T_FileStream_ungetc(int32_t ch, FileStream* fileStream) +{ + + int32_t c = ungetc(ch, (FILE*)fileStream); + return c; +} + +U_CAPI int32_t U_EXPORT2 +T_FileStream_peek(FileStream* fileStream) +{ + int32_t c = fgetc((FILE*)fileStream); + return ungetc(c, (FILE*)fileStream); +} + +U_CAPI char* U_EXPORT2 +T_FileStream_readLine(FileStream* fileStream, char* buffer, int32_t length) +{ + return fgets(buffer, length, (FILE*)fileStream); +} + +U_CAPI int32_t U_EXPORT2 +T_FileStream_writeLine(FileStream* fileStream, const char* buffer) +{ + return fputs(buffer, (FILE*)fileStream); +} + +U_CAPI int32_t U_EXPORT2 +T_FileStream_size(FileStream* fileStream) +{ + int32_t savedPos = ftell((FILE*)fileStream); + int32_t size = 0; + + /*Changes by Bertrand A. D. doesn't affect the current position + goes to the end of the file before ftell*/ + fseek((FILE*)fileStream, 0, SEEK_END); + size = (int32_t)ftell((FILE*)fileStream); + fseek((FILE*)fileStream, savedPos, SEEK_SET); + return size; +} + +U_CAPI int U_EXPORT2 +T_FileStream_eof(FileStream* fileStream) +{ + return feof((FILE*)fileStream); +} + +/* + Warning + This function may not work consistently on all platforms + (e.g. HP-UX, FreeBSD and MacOSX don't return an error when + putc is used on a file opened as readonly) +*/ +U_CAPI int U_EXPORT2 +T_FileStream_error(FileStream* fileStream) +{ + return (fileStream == 0 || ferror((FILE*)fileStream)); +} + +/* This function doesn't work. */ +/* force the stream to set its error flag*/ +/*U_CAPI void U_EXPORT2 +T_FileStream_setError(FileStream* fileStream) +{ + fseek((FILE*)fileStream, 99999, SEEK_SET); +} +*/ + +U_CAPI FileStream* U_EXPORT2 +T_FileStream_stdin(void) +{ + return (FileStream*)stdin; +} + +U_CAPI FileStream* U_EXPORT2 +T_FileStream_stdout(void) +{ + return (FileStream*)stdout; +} + + +U_CAPI FileStream* U_EXPORT2 +T_FileStream_stderr(void) +{ + return (FileStream*)stderr; +} + +U_CAPI UBool U_EXPORT2 +T_FileStream_remove(const char* fileName){ + return (remove(fileName) == 0); +} |