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#include <err.h>
#include <stdio.h>
#include <string.h>
#include <sys/stat.h>
#include <unistd.h>
#include <stdlib.h>
void
usage(void)
{
errx(2, "usage: bin2c tablename [align]");
}
int
main(int argc, char *argv[])
{
char buf[4096], *s, *table_name;
ssize_t n;
size_t total = 0, pad, align = 0;
struct stat st;
switch (argc) {
case 3:
align = strtoul(argv[2], &s, 10);
if (*s)
usage();
case 2:
table_name = argv[1];
break;
default:
usage();
}
if (fstat(0, &st) < 0)
err(1, "fstat 0");
printf("unsigned char %s[] = {", table_name);
for (;;) {
n = read(0, buf, sizeof(buf));
if (n < 0)
err(1, "read");
if (n == 0)
break;
for (s = buf; s < buf + n; ++s) {
if (total++ % 8 == 0)
printf("\n\t");
printf("0x%02hhx,", *s);
}
}
if (align) {
for (pad = (total + (align - 1)) / align * align - total; pad; --pad) {
if (total++ % 8 == 0)
printf("\n\t");
printf("0x00,");
}
}
printf("\n};\n\nconst unsigned int %s_len = %zu;\n", table_name, total);
printf("\nconst int %s_mtime = %ld;\n", table_name, st.st_mtime);
return 0;
}
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