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icu46/source/tools/toolutil/filestrm.c

Index: icu46/source/tools/toolutil/filestrm.c
===================================================================
--- icu46/source/tools/toolutil/filestrm.c	(revision 0)
+++ icu46/source/tools/toolutil/filestrm.c	(revision 0)
@@ -0,0 +1,225 @@
+/*
+******************************************************************************
+*
+*   Copyright (C) 1997-2005, 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 defined(U_WINDOWS)
+    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);
+}
Property changes on: icu46/source/tools/toolutil/filestrm.c
___________________________________________________________________
Added: svn:eol-style
   + LF