The Tor Browser: intl/icu/source/tools/toolutil/unewdata.c@6474c204b198 (annotated)

intl/icu/source/tools/toolutil/unewdata.c@6474c204b198 (annotated)

intl/icu/source/tools/toolutil/unewdata.c

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /*
 *******************************************************************************
 *
 *   Copyright (C) 1999-2010, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 *
 *******************************************************************************
 *   file name:  unewdata.c
 *   encoding:   US-ASCII
 *   tab size:   8 (not used)
 *   indentation:4
 *
 *   created on: 1999oct25
 *   created by: Markus W. Scherer
 */
 #include <stdio.h>
 #include "unicode/utypes.h"
 #include "unicode/putil.h"
 #include "unicode/ustring.h"
 #include "cmemory.h"
 #include "cstring.h"
 #include "filestrm.h"
 #include "unicode/udata.h"
 #include "unewdata.h"
 struct UNewDataMemory {
     FileStream *file;
     uint16_t headerSize;
     uint8_t magic1, magic2;
 };
 U_CAPI UNewDataMemory * U_EXPORT2
 udata_create(const char *dir, const char *type, const char *name,
              const UDataInfo *pInfo,
              const char *comment,
              UErrorCode *pErrorCode) {
     UNewDataMemory *pData;
     uint16_t headerSize, commentLength;
     char filename[512];
     uint8_t bytes[16];
     int length;
     if(pErrorCode==NULL || U_FAILURE(*pErrorCode)) {
         return NULL;
     } else if(name==NULL || *name==0 || pInfo==NULL) {
         *pErrorCode=U_ILLEGAL_ARGUMENT_ERROR;
         return NULL;
     }
     /* allocate the data structure */
     pData=(UNewDataMemory *)uprv_malloc(sizeof(UNewDataMemory));
     if(pData==NULL) {
         *pErrorCode=U_MEMORY_ALLOCATION_ERROR;
         return NULL;
     }
     /* Check that the full path won't be too long */
     length = 0;					/* Start with nothing */
     if(dir != NULL  && *dir !=0)	/* Add directory length if one was given */
     {
     	length += strlen(dir);
     	/* Add 1 if dir doesn't end with path sep */
         if (dir[strlen(dir) - 1]!= U_FILE_SEP_CHAR) {
             length++;
         }
 	}
     length += strlen(name);		/* Add the filename length */
     if(type != NULL  && *type !=0) { /* Add directory length if  given */
         length += strlen(type);
     }
      /* LDH buffer Length error check */
     if(length  > (sizeof(filename) - 1))
     {
    	    *pErrorCode = U_BUFFER_OVERFLOW_ERROR;
    	    uprv_free(pData);
 	    return NULL;
     }
     /* open the output file */
     if(dir!=NULL && *dir!=0) { /* if dir has a value, we prepend it to the filename */
         char *p=filename+strlen(dir);
         uprv_strcpy(filename, dir);
         if (*(p-1)!=U_FILE_SEP_CHAR) {
             *p++=U_FILE_SEP_CHAR;
             *p=0;
         }
     } else { /* otherwise, we'll output to the current dir */
         filename[0]=0;
     }
     uprv_strcat(filename, name);
     if(type!=NULL && *type!=0) {
         uprv_strcat(filename, ".");
         uprv_strcat(filename, type);
     }
     pData->file=T_FileStream_open(filename, "wb");
     if(pData->file==NULL) {
         uprv_free(pData);
         *pErrorCode=U_FILE_ACCESS_ERROR;
         return NULL;
     }
     /* write the header information */
     headerSize=(uint16_t)(pInfo->size+4);
     if(comment!=NULL && *comment!=0) {
         commentLength=(uint16_t)(uprv_strlen(comment)+1);
         headerSize+=commentLength;
     } else {
         commentLength=0;
     }
     /* write the size of the header, take padding into account */
     pData->headerSize=(uint16_t)((headerSize+15)&~0xf);
     pData->magic1=0xda;
     pData->magic2=0x27;
     T_FileStream_write(pData->file, &pData->headerSize, 4);
     /* write the information data */
     T_FileStream_write(pData->file, pInfo, pInfo->size);
     /* write the comment */
     if(commentLength>0) {
         T_FileStream_write(pData->file, comment, commentLength);
     }
     /* write padding bytes to align the data section to 16 bytes */
     headerSize&=0xf;
     if(headerSize!=0) {
         headerSize=(uint16_t)(16-headerSize);
         uprv_memset(bytes, 0, headerSize);
         T_FileStream_write(pData->file, bytes, headerSize);
     }
     return pData;
 }
 U_CAPI uint32_t U_EXPORT2
 udata_finish(UNewDataMemory *pData, UErrorCode *pErrorCode) {
     uint32_t fileLength=0;
     if(pErrorCode==NULL || U_FAILURE(*pErrorCode)) {
         return 0;
     }
     if(pData!=NULL) {
         if(pData->file!=NULL) {
             /* fflush(pData->file);*/
             fileLength=T_FileStream_size(pData->file);
             if(T_FileStream_error(pData->file)) {
                 *pErrorCode=U_FILE_ACCESS_ERROR;
             } else {
                 fileLength-=pData->headerSize;
             }
             T_FileStream_close(pData->file);
         }
         uprv_free(pData);
     }
     return fileLength;
 }
 /* dummy UDataInfo cf. udata.h */
 static const UDataInfo dummyDataInfo = {
     sizeof(UDataInfo),
 ,
     U_IS_BIG_ENDIAN,
     U_CHARSET_FAMILY,
     U_SIZEOF_UCHAR,
 ,
     { 0, 0, 0, 0 },                 /* dummy dataFormat */
     { 0, 0, 0, 0 },                 /* dummy formatVersion */
     { 0, 0, 0, 0 }                  /* dummy dataVersion */
 };
 U_CAPI void U_EXPORT2
 udata_createDummy(const char *dir, const char *type, const char *name, UErrorCode *pErrorCode) {
     if(U_SUCCESS(*pErrorCode)) {
         udata_finish(udata_create(dir, type, name, &dummyDataInfo, NULL, pErrorCode), pErrorCode);
         if(U_FAILURE(*pErrorCode)) {
             fprintf(stderr, "error %s writing dummy data file %s" U_FILE_SEP_STRING "%s.%s\n",
                     u_errorName(*pErrorCode), dir, name, type);
             exit(*pErrorCode);
         }
     }
 }
 U_CAPI void U_EXPORT2
 udata_write8(UNewDataMemory *pData, uint8_t byte) {
     if(pData!=NULL && pData->file!=NULL) {
         T_FileStream_write(pData->file, &byte, 1);
     }
 }
 U_CAPI void U_EXPORT2
 udata_write16(UNewDataMemory *pData, uint16_t word) {
     if(pData!=NULL && pData->file!=NULL) {
         T_FileStream_write(pData->file, &word, 2);
     }
 }
 U_CAPI void U_EXPORT2
 udata_write32(UNewDataMemory *pData, uint32_t wyde) {
     if(pData!=NULL && pData->file!=NULL) {
         T_FileStream_write(pData->file, &wyde, 4);
     }
 }
 U_CAPI void U_EXPORT2
 udata_writeBlock(UNewDataMemory *pData, const void *s, int32_t length) {
     if(pData!=NULL && pData->file!=NULL) {
         if(length>0) {
             T_FileStream_write(pData->file, s, length);
         }
     }
 }
 U_CAPI void U_EXPORT2
 udata_writePadding(UNewDataMemory *pData, int32_t length) {
     static const uint8_t padding[16]={
 xaa, 0xaa, 0xaa, 0xaa,
 xaa, 0xaa, 0xaa, 0xaa,
 xaa, 0xaa, 0xaa, 0xaa,
 xaa, 0xaa, 0xaa, 0xaa
     };
     if(pData!=NULL && pData->file!=NULL) {
         while(length>=16) {
             T_FileStream_write(pData->file, padding, 16);
             length-=16;
         }
         if(length>0) {
             T_FileStream_write(pData->file, padding, length);
         }
     }
 }
 U_CAPI void U_EXPORT2
 udata_writeString(UNewDataMemory *pData, const char *s, int32_t length) {
     if(pData!=NULL && pData->file!=NULL) {
         if(length==-1) {
             length=(int32_t)uprv_strlen(s);
         }
         if(length>0) {
             T_FileStream_write(pData->file, s, length);
         }
     }
 }
 U_CAPI void U_EXPORT2
 udata_writeUString(UNewDataMemory *pData, const UChar *s, int32_t length) {
     if(pData!=NULL && pData->file!=NULL) {
         if(length==-1) {
             length=u_strlen(s);
         }
         if(length>0) {
             T_FileStream_write(pData->file, s, length*sizeof(UChar));
         }
     }
 }
 /*
  * Hey, Emacs, please set the following:
  *
  * Local Variables:
  * indent-tabs-mode: nil
  * End:
  *
  */

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intl/icu/source/tools/toolutil/unewdata.c@6474c204b198 (annotated)

intl/icu/source/tools/toolutil/unewdata.c