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#define _POSIX_C_SOURCE 2
#include <ctype.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#define CHARS_PER_LINE 8
int make_array(const char *path, int include_size)
{
FILE *f = stdin;
if (path && strcmp(path, "-") != 0) {
f = fopen(path, "rb");
if (f == NULL) {
perror(path);
return 1;
}
} else {
path = "stdin";
}
size_t plen = strlen(path);
char id[plen + 1];
for (size_t i = 0; i < plen; i++) {
id[i] = isalnum(path[i]) ? path[i] : '_';
}
id[plen] = '\0';
printf("unsigned char %s[] = {\n", id);
int c;
int i = 0;
while ((c = fgetc(f)) != EOF) {
if (i == 0) {
putchar('\t');
}
printf("0x%02hhx, ", c);
if (++i == CHARS_PER_LINE) {
putchar('\n');
i = 0;
}
}
if (i != 0) {
putchar('\n');
}
printf("};\n");
if (include_size) {
printf("size_t %s_size = sizeof(%s);\n", id, id);
}
if (f != stdin) {
fclose(f);
}
return 0;
}
int main(int argc, char *argv[])
{
int include_size = 0;
int c;
while ((c = getopt(argc, argv, "s")) != -1) {
switch (c) {
case 's':
include_size = 1;
break;
default:
return 1;
}
}
int ret = 0;
do {
ret |= make_array(argv[optind++], include_size);
} while (optind < argc);
return ret;
}
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