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/*
* UNG's Not GNU
*
* Copyright (c) 2011-2017, Jakob Kaivo <jkk@ung.org>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
#define _XOPEN_SOURCE 700
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <iconv.h>
#include <unistd.h>
int convert(char *path, iconv_t conv, int skip, int suppress)
{
(void)skip; (void)suppress;
FILE *f = stdin;
if (path && strcmp(path, "-")) {
f = fopen(path, "rb");
}
if (f == NULL) {
fprintf(stderr, "iconv: Couldn't open %s: %s\n", path ? path : "stdin", strerror(errno));
return 1;
}
while (!feof(f)) {
char *line = NULL;
size_t n = 0;
getline(&line, &n, f);
char *out = calloc(n, 1);
size_t nout = n;
iconv(conv, &line, &n, &out, &nout);
printf("%s", out);
free(out);
free(line);
}
if (f != stdin) {
fclose(f);
}
return 0;
}
int main(int argc, char *argv[])
{
int skipinvalid = 0;
int list = 0;
int suppress = 0;
char *fromcodeset = NULL;
char *tocodeset = NULL;
int c;
while ((c = getopt(argc, argv, "csf:t:l")) != -1) {
switch (c) {
case 'c': /** skip invalid input characters **/
skipinvalid = 1;
break;
case 'f': /** convert from [fromcodeset] **/
fromcodeset = optarg;
break;
case 'l': /** list supported codesets **/
list = 1;
break;
case 's': /** suppress invalid character warnings **/
suppress = 1;
break;
case 't': /** convert to [tocodeset] **/
tocodeset = optarg;
break;
default:
return 1;
}
}
if (list) {
/* list all code sets */
return 0;
}
iconv_t conv = iconv_open(tocodeset, fromcodeset);
int r = 0;
do {
r |= convert(argv[optind++], conv, skipinvalid, suppress);
} while (optind < argc);
}
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