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-rw-r--r--intl/icu/source/tools/toolutil/filestrm.c227
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
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+++ 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);
+}