120 lines
2.0 KiB
C
120 lines
2.0 KiB
C
|
/* hexdump.c -- an "xxd -i" workalike for dumping binary files as source code */
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <string.h>
|
||
|
|
|
||
|
|
static int string;
|
||
|
|
|
||
|
|
static int
|
||
|
|
hexdump(FILE *fo, FILE *fi)
|
||
|
|
{
|
||
|
|
int c, n;
|
||
|
|
|
||
|
|
if (string)
|
||
|
|
fprintf(fo, "\"");
|
||
|
|
|
||
|
|
n = 0;
|
||
|
|
c = fgetc(fi);
|
||
|
|
while (c != -1)
|
||
|
|
{
|
||
|
|
n += fprintf(fo, string ? "\\x%02x" : "%d,", c);
|
||
|
|
if (n > 72) {
|
||
|
|
fprintf(fo, string ? "\"\n\"" : "\n");
|
||
|
|
n = 0;
|
||
|
|
}
|
||
|
|
c = fgetc(fi);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (string)
|
||
|
|
fprintf(fo, "\"\n");
|
||
|
|
|
||
|
|
return n;
|
||
|
|
}
|
||
|
|
|
||
|
|
int
|
||
|
|
main(int argc, char **argv)
|
||
|
|
{
|
||
|
|
FILE *fo;
|
||
|
|
FILE *fi;
|
||
|
|
char name[256];
|
||
|
|
char *basename;
|
||
|
|
char *p;
|
||
|
|
int i, optind, size;
|
||
|
|
|
||
|
|
if (argc < 3)
|
||
|
|
{
|
||
|
|
fprintf(stderr, "usage: hexdump [-0] [-s] output.c input.dat\n");
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
string = 0;
|
||
|
|
optind = 1;
|
||
|
|
|
||
|
|
if (!strcmp(argv[optind], "-s")) {
|
||
|
|
++optind;
|
||
|
|
string = 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
fo = fopen(argv[optind], "wb");
|
||
|
|
if (!fo)
|
||
|
|
{
|
||
|
|
fprintf(stderr, "hexdump: could not open output file '%s'\n", argv[optind]);
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
for (i = optind+1; i < argc; i++)
|
||
|
|
{
|
||
|
|
fi = fopen(argv[i], "rb");
|
||
|
|
if (!fi)
|
||
|
|
{
|
||
|
|
fclose(fo);
|
||
|
|
fprintf(stderr, "hexdump: could not open input file '%s'\n", argv[i]);
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
basename = strrchr(argv[i], '/');
|
||
|
|
if (!basename)
|
||
|
|
basename = strrchr(argv[i], '\\');
|
||
|
|
if (basename)
|
||
|
|
basename++;
|
||
|
|
else
|
||
|
|
basename = argv[i];
|
||
|
|
|
||
|
|
if (strlen(basename) >= sizeof(name))
|
||
|
|
{
|
||
|
|
fclose(fi);
|
||
|
|
fclose(fo);
|
||
|
|
fprintf(stderr, "hexdump: filename '%s' too long\n", basename);
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
strcpy(name, basename);
|
||
|
|
for (p = name; *p; ++p)
|
||
|
|
{
|
||
|
|
if (*p == '/' || *p == '.' || *p == '\\' || *p == '-')
|
||
|
|
*p = '_';
|
||
|
|
}
|
||
|
|
|
||
|
|
fseek(fi, 0, SEEK_END);
|
||
|
|
size = ftell(fi);
|
||
|
|
fseek(fi, 0, SEEK_SET);
|
||
|
|
|
||
|
|
fprintf(fo, "const unsigned char _binary_%s[%d] =", name, size);
|
||
|
|
fprintf(fo, string ? "\n" : " {\n");
|
||
|
|
hexdump(fo, fi);
|
||
|
|
fprintf(fo, string ? ";\n" : "};\n");
|
||
|
|
fprintf(fo, "unsigned int _binary_%s_size = %d;\n", name, size);
|
||
|
|
|
||
|
|
fclose(fi);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (fclose(fo))
|
||
|
|
{
|
||
|
|
fprintf(stderr, "hexdump: could not close output file '%s'\n", argv[1]);
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|