CMake/Source/kwsys/EncodeExecutable.c

100 lines
2.7 KiB
C

/*=========================================================================
Program: KWSys - Kitware System Library
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
See http://www.cmake.org/HTML/Copyright.html for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#include <stdio.h>
int main(int argc, char* argv[])
{
FILE* ifp;
FILE* ofp;
int i;
int n;
int count = 0;
unsigned char buffer[1024];
/* Check arguments. */
if(argc != 5)
{
fprintf(stderr, "Usage: %s <input> <output> <kwsys-name> <array>\n",
argv[0]);
return 1;
}
/* Open the input file. */
ifp = fopen(argv[1], "rb");
if(!ifp)
{
fprintf(stderr, "Cannot open input file: \"%s\"\n", argv[1]);
return 2;
}
ofp = fopen(argv[2], "w");
if(!ofp)
{
fprintf(stderr, "Cannot open output file: \"%s\"\n", argv[2]);
return 2;
}
/* Prepend header comment. */
fprintf(ofp, "/*\n * DO NOT EDIT\n * This file is generated by:\n");
fprintf(ofp, " * %s\n */\n\n", argv[0]);
fprintf(ofp, "#include <stdio.h>\n\n");
/* Split file up in 1024-byte chunks. */
while((n = fread(buffer, 1, 1024, ifp)) > 0)
{
fprintf(ofp, "static unsigned char kwsysEncodedArray%s_%d[%d] = {\n",
argv[4], count++, n);
for(i=0; i < n-1; ++i)
{
fprintf(ofp, "0x%02X", buffer[i]);
if(i%10 == 9)
{
fprintf(ofp, ",\n");
}
else
{
fprintf(ofp, ", ");
}
}
fprintf(ofp, "0x%02X};\n\n", buffer[n-1]);
}
fclose(ifp);
/* Provide a function to write the data to a file. */
fprintf(ofp, "extern int %sEncodedWriteArray%s(const char* fname)\n",
argv[3], argv[4]);
fprintf(ofp, "{\n");
fprintf(ofp, " FILE* ofp = fopen(fname, \"wb\");\n");
fprintf(ofp, " if(!ofp) { return 0; }\n");
for(i=0; i < count; ++i)
{
fprintf(ofp, " if(fwrite(kwsysEncodedArray%s_%d, 1,\n"
" sizeof(kwsysEncodedArray%s_%d), ofp) !=\n"
" sizeof(kwsysEncodedArray%s_%d))\n",
argv[4], i, argv[4], i, argv[4], i);
fprintf(ofp, " {\n");
fprintf(ofp, " fclose(ofp);\n");
fprintf(ofp, " _unlink(fname);\n");
fprintf(ofp, " return 0;\n");
fprintf(ofp, " }\n");
}
fprintf(ofp, " fclose(ofp);\n");
fprintf(ofp, " return 1;\n");
fprintf(ofp, "}\n");
fclose(ofp);
return 0;
}