123 lines
2.2 KiB
C
123 lines
2.2 KiB
C
// bin2c.c
|
|
//
|
|
// convert a binary file into a C source vector
|
|
//
|
|
// THE "BEER-WARE LICENSE" (Revision 3.1415):
|
|
// sandro AT sigala DOT it wrote this file. As long as you retain this notice you can do
|
|
// whatever you want with this stuff. If we meet some day, and you think this stuff is
|
|
// worth it, you can buy me a beer in return. Sandro Sigala
|
|
//
|
|
// syntax: bin2c [-c] [-z] <input_file> <output_file>
|
|
//
|
|
// -c add the "const" keyword to definition
|
|
// -z terminate the array with a zero (useful for embedded C strings)
|
|
//
|
|
// examples:
|
|
// bin2c -c myimage.png myimage_png.cpp
|
|
// bin2c -z sometext.txt sometext_txt.cpp
|
|
|
|
#include <ctype.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#ifndef PATH_MAX
|
|
#define PATH_MAX 1024
|
|
#endif
|
|
|
|
int useconst = 0;
|
|
int zeroterminated = 0;
|
|
|
|
int myfgetc(FILE *f)
|
|
{
|
|
int c = fgetc(f);
|
|
if (c == EOF && zeroterminated)
|
|
{
|
|
zeroterminated = 0;
|
|
return 0;
|
|
}
|
|
return c;
|
|
}
|
|
|
|
void process(const char *ifname, const char *ofname)
|
|
{
|
|
FILE *ifile, *ofile;
|
|
ifile = fopen(ifname, "rb");
|
|
if (ifile == NULL)
|
|
{
|
|
fprintf(stderr, "cannot open %s for reading\n", ifname);
|
|
exit(1);
|
|
}
|
|
ofile = fopen(ofname, "wb");
|
|
if (ofile == NULL)
|
|
{
|
|
fprintf(stderr, "cannot open %s for writing\n", ofname);
|
|
exit(1);
|
|
}
|
|
char buf[PATH_MAX], *p;
|
|
const char *cp;
|
|
if ((cp = strrchr(ifname, '/')) != NULL)
|
|
{
|
|
++cp;
|
|
} else {
|
|
if ((cp = strrchr(ifname, '\\')) != NULL)
|
|
++cp;
|
|
else
|
|
cp = ifname;
|
|
}
|
|
strcpy(buf, cp);
|
|
for (p = buf; *p != '\0'; ++p)
|
|
{
|
|
if (!isalnum(*p))
|
|
*p = '_';
|
|
}
|
|
fprintf(ofile, "static %sunsigned char %s[] = {\n", useconst ? "const " : "", buf);
|
|
int c, col = 1;
|
|
while ((c = myfgetc(ifile)) != EOF)
|
|
{
|
|
if (col >= 78 - 6)
|
|
{
|
|
fputc('\n', ofile);
|
|
col = 1;
|
|
}
|
|
fprintf(ofile, "0x%.2x, ", c);
|
|
col += 6;
|
|
}
|
|
fprintf(ofile, "\n};\n");
|
|
|
|
fclose(ifile);
|
|
fclose(ofile);
|
|
}
|
|
|
|
void usage(void)
|
|
{
|
|
fprintf(stderr, "usage: bin2c [-cz] <input_file> <output_file>\n");
|
|
exit(1);
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
while (argc > 3)
|
|
{
|
|
if (!strcmp(argv[1], "-c"))
|
|
{
|
|
useconst = 1;
|
|
--argc;
|
|
++argv;
|
|
} else if (!strcmp(argv[1], "-z"))
|
|
{
|
|
zeroterminated = 1;
|
|
--argc;
|
|
++argv;
|
|
} else {
|
|
usage();
|
|
}
|
|
}
|
|
if (argc != 3)
|
|
{
|
|
usage();
|
|
}
|
|
process(argv[1], argv[2]);
|
|
return 0;
|
|
}
|