summaryrefslogtreecommitdiff
path: root/iconv.c
diff options
context:
space:
mode:
authorJakob Kaivo <jkk@ung.org>2019-03-13 21:31:52 -0400
committerJakob Kaivo <jkk@ung.org>2019-03-13 21:31:52 -0400
commitdae4c0745246a5e1a512ecdbe76c70d892b7937c (patch)
tree8b8cf79dc2767d55c0807acc1250cdf3ea5020db /iconv.c
migrate to gitlab
Diffstat (limited to 'iconv.c')
-rw-r--r--iconv.c112
1 files changed, 112 insertions, 0 deletions
diff --git a/iconv.c b/iconv.c
new file mode 100644
index 0000000..5b511e2
--- /dev/null
+++ b/iconv.c
@@ -0,0 +1,112 @@
+/*
+ * 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);
+}