visualboyadvance-m/dependencies/bin2c/bin2c.c

111 lines
2.6 KiB
C

/*
* This is bin2c program, which allows you to convert binary file to
* C language array, for use as embedded resource, for instance you can
* embed graphics or audio file directly into your program.
* This is public domain software, use it on your own risk.
* Contact Serge Fukanchik at fuxx@mail.ru if you have any questions.
*
* Some modifications were made by Gwilym Kuiper (kuiper.gwilym@gmail.com)
* I have decided not to change the licence.
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>
#ifdef USE_BZ2
#include <bzlib.h>
#endif
int
main ( int argc, char* argv[] )
{
char *buf;
char* ident;
unsigned int i, file_size, need_comma;
FILE *f_input, *f_output;
#ifdef USE_BZ2
char *bz2_buf;
unsigned int uncompressed_size, bz2_size;
#endif
if (argc < 4) {
fprintf(stderr, "Usage: %s binary_file output_file array_name\n", argv[0]);
return -1;
}
f_input = fopen(argv[1], "rb");
if (f_input == NULL) {
fprintf(stderr, "%s: can't open %s for reading\n", argv[0], argv[1]);
return -1;
}
// Get the file length
fseek(f_input, 0, SEEK_END);
file_size = ftell(f_input);
fseek(f_input, 0, SEEK_SET);
file_size++;
buf = (char *)malloc(file_size);
assert(buf);
fread(buf, file_size, 1, f_input);
fclose(f_input);
#ifdef USE_BZ2
// allocate for bz2.
bz2_size = ((file_size) * 1.01) + 600; // as per the documentation
bz2_buf = (char *)malloc(bz2_size);
assert(bz2_buf);
// compress the data
int status = BZ2_bzBuffToBuffCompress(bz2_buf, &bz2_size, buf, file_size, 9, 1, 0);
if(status != BZ_OK) {
fprintf(stderr, "Failed to compress data: error %i\n", status);
return -1;
}
// and be very lazy
free(buf);
uncompressed_size = file_size;
file_size = bz2_size;
buf = bz2_buf;
#endif
f_output = fopen(argv[2], "w");
if (f_output == NULL)
{
fprintf(stderr, "%s: can't open %s for writing\n", argv[0], argv[1]);
return -1;
}
ident = argv[3];
need_comma = 0;
fprintf (f_output, "const unsigned char %s[] = {", ident, file_size);
for (i = 0; i < file_size; ++i)
{
if (need_comma) fprintf(f_output, ",");
else need_comma = 1;
if (( i % 11 ) == 0) fprintf(f_output, "\n\t");
fprintf(f_output, "0x%.2x", buf[i] & 0xff);
}
fprintf(f_output, "\n};\n\n");
//fprintf(f_output, "const int %s_length = %i;\n", ident, file_size);
#ifdef USE_BZ2
fprintf(f_output, "const int %s_length_uncompressed = %i;\n", ident, uncompressed_size);
#endif
fclose(f_output);
return 0;
}