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/*
* txt2c: Converts text files to C strings
*
* Compile with:
* gcc txt2cs.c -o txt2cs
*
* Public domain.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
int main(int argc, char** argv) {
const char *prefix = "";
const char *suffix = "\n";
int no_quote = 0; /* if 1, do not prepend and append quotation marks (") */
FILE *in = stdin;
FILE *out = stdout;
int c;
while ((c = getopt(argc, argv, "np:s:h")) != -1) {
switch (c) {
case 'n':
no_quote = 1;
break;
case 'p':
prefix = optarg;
break;
case 's':
suffix = optarg;
break;
case 'h':
printf("Usage: %s [-n] [-p prefix] [-s suffix] [infile] [outfile]\n", argv[0]);
exit(0);
break;
}
}
if (optind < argc) {
if (strcmp(argv[optind], "-") != 0) {
if (!(in = fopen(argv[optind], "r"))) {
fprintf(stderr, "Can't open %s\n",
argv[optind]);
perror(argv[0]);
exit(1);
}
}
if (optind + 1 < argc) {
if (strcmp(argv[optind + 1], "-") != 0) {
if (!(out = fopen(argv[optind + 1], "w"))) {
fprintf(stderr, "Can't open %s\n",
argv[optind + 1]);
perror(argv[0]);
exit(1);
}
}
}
}
fputs(prefix, out);
if (!no_quote)
fputs("\"", out);
while ((c = fgetc(in)) != -1) {
switch (c) {
case '\0': fputs("\\0", out); break;
case '\t': fputs("\\t", out); break;
case '\n': fputs("\\n\"\n\"", out); break;
case '\r': fputs("\\r", out); break;
case '\\': fputs("\\\\", out); break;
case '\"': fputs("\\\"", out); break;
default: fputc(c, out); break;
}
}
if (!no_quote)
fputs("\"", out);
fputs(suffix, out);
return 0;
}
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