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#include <errno.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
static const char safe[] =
"][ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789!#%&'()*+,./:;<=>^_{|}~ -";
int main(int argc, char *argv[]) {
FILE *f;
char *line = NULL, *s;
size_t size = 0;
ssize_t n;
f = fopen(argv[1], "r");
if (!f) {
fprintf(stderr, "fopen %s: %s\n", argv[1], strerror(errno));
return 1;
}
printf("/* Generated from %s */\n", argv[1]);
while ((n = getline(&line, &size, f)) >= 0) {
printf("\"");
for (s = line; s < line + n; ++s) {
if (memchr(safe, *s, sizeof(safe) - 1))
fputc(*s, stdout);
else
printf("\\%03hho", *s);
}
printf("\"\n");
}
if (ferror(f)) {
fprintf(stderr, "ferror: %s\n", strerror(errno));
return 1;
}
return 0;
}
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