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/* hexdump.c -- an "xxd -i" workalike */
#include <stdio.h>
int
hexdump(FILE *fo, FILE *fi)
{
int c, n;
n = 0;
c = fgetc(fi);
while (c != -1)
{
fprintf(fo, "0x%02x,", c);
if (n % 16 == 15)
fprintf(fo, "\n");
c = fgetc(fi);
n ++;
}
return n;
}
int
main(int argc, char **argv)
{
FILE *fo;
FILE *fi;
unsigned char name[256];
unsigned char *p;
int i, n, len;
if (argc < 3)
{
fprintf(stderr, "usage: hexdump output.c input.dat\n");
return 1;
}
fo = fopen(argv[1], "wb");
if (!fo)
{
fprintf(stderr, "hexdump: could not open output file\n");
return 1;
}
for (i = 2; i < argc; i++)
{
fi = fopen(argv[i], "rb");
if (!fi)
{
fprintf(stderr, "hexdump: could not open input file\n");
return 1;
}
strcpy(name, argv[i]);
p = name;
while (*p)
{
if ((*p == '/') || (*p == '.') || (*p == '\\') || (*p == '-'))
*p = '_';
p ++;
}
fprintf(fo, "const unsigned char %s[] = {\n", name);
len = hexdump(fo, fi);
fprintf(fo, "};\n");
fprintf(fo, "const unsigned int %s_len = %d;\n", name, len);
fclose(fi);
}
return 0;
}
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