raze-gles/source/tools/src/bin2c.cpp

154 lines
3.3 KiB
C++
Raw Normal View History

// BIN2C.CPP
// by Jonathon Fowler (jf@jonof.id.au)
// Converts a binary file to C source
// This is a DOS program originally written with Borland Turbo C++ for DOS 3.1
#include <string.h>
#include <ctype.h>
#include <stdio.h>
#include <dir.h>
#include <io.h>
#include <stdlib.h>
char defsrcext[] = ".DAT";
char defoutext[] = ".C";
char source[MAXPATH], output[MAXPATH], bytesize;
int PathAddExt(char *path, char *ext);
int main(int argc, char *argv[])
{
printf("BIN2C - Binary to C data converter\n"
"Copyright (c) 1999 Jonathon Fowler\n\n");
if (argc < 4)
{
printf("Usage:\n"
" BIN2C source<.DAT> output<.C> b|w\n\n"
" source<.DAT> Binary source file\n"
" output<.C> Output C code file\n"
" b|w Byte or word-sized data\n\n");
exit(0);
}
int arg;
FILE *in, *out;
char datab1, datab2;
int across=0, maxacross;
int length, written=0;
// get the source file
strcpy(source, argv[1]);
strupr(source);
PathAddExt(source, defsrcext);
printf("<EFBFBD> Source file: %s\n", source);
// get the output file
strcpy(output, argv[2]);
strupr(output);
PathAddExt(output, defoutext);
printf("<EFBFBD> Output file: %s\n", output);
// get byte/word data
switch (tolower(argv[3][0]))
{
case 'b':
printf("<EFBFBD> Byte data.\n");
bytesize=1;
break;
case 'w':
printf("<EFBFBD> Word data.\n");
bytesize=0;
break;
default:
printf("<EFBFBD> Unknown data size specified. Defaulting to byte.\n");
bytesize=1;
break;
}
// open the input file
in = fopen(source, "rb");
if (!in)
{
printf("Error opening %s\n", source);
exit(1);
}
// open the output file
out = fopen(output, "w+t");
if (!out)
{
printf("Error creating %s\n", output);
exit(1);
}
length = filelength(fileno(in));
// write a header out to the output file
fprintf(out, "// %s\n\n// Generated by BIN2C.EXE\n// By Jonathon Fowler\n\n", output);
// start a data block
fprintf(out, "%s datablock[] = {\n // %ld bytes", (bytesize) ? "char" : "unsigned", length);
if (bytesize)
maxacross = 12;
else
maxacross = 9;
across = maxacross;
// convert the data
for (written=0; written<length; written++) {
if (across == maxacross)
{
fprintf(out, "\n ");
across = 0;
}
if (bytesize)
{
datab1 = fgetc(in);
fprintf(out, " 0x%02X%c", datab1, ((length-written)>1) ? ',' : '\n');
} else {
datab1 = fgetc(in);
datab2 = fgetc(in);
fprintf(out, " 0x%02X%02X%c", datab2, datab1, ((length-written)>2) ? ',' : '\n');
}
across++;
if (!bytesize) written++;
}
fprintf(out, " };");
fclose(out);
fclose(in);
return 0;
}
// Add an extention to a path if one doesn't exist
int PathAddExt(char *path, char *ext)
{
char drive[MAXDRIVE], dir[MAXDIR], name[MAXFILE], extn[MAXEXT];
int flags;
flags = fnsplit(path, drive, dir, name, extn);
if (!(flags & EXTENSION)) // tack on an extension
strcat(path, ext);
return ((flags & EXTENSION) == 0);
}