1 files changed, 72 insertions, 0 deletions
diff --git a/app/tools/halibut/charset/test.c b/app/tools/halibut/charset/test.c
new file mode 100644
index 0000000..fc5128e
--- /dev/null
+++ b/app/tools/halibut/charset/test.c
@@ -0,0 +1,72 @@
+/*
+ * test.c - general libcharset test/demo program which converts
+ * between two arbitrary charsets.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include "charset.h"
+
+#define lenof(x) ( sizeof((x)) / sizeof(*(x)) )
+
+int main(int argc, char **argv)
+{
+    int srcset, dstset;
+    charset_state instate = CHARSET_INIT_STATE;
+    charset_state outstate = CHARSET_INIT_STATE;
+    char inbuf[256], outbuf[256];
+    wchar_t midbuf[256];
+    const char *inptr;
+    const wchar_t *midptr;
+    int rdret, inlen, midlen, inret, midret;
+
+    if (argc != 3) {
+	fprintf(stderr, "usage: convcs <charset> <charset>\n");
+	return 1;
+    }
+
+    srcset = charset_from_localenc(argv[1]);
+    if (srcset == CS_NONE) {
+	fprintf(stderr, "unknown source charset '%s'\n", argv[1]);
+	return 1;
+    }
+
+    dstset = charset_from_localenc(argv[2]);
+    if (dstset == CS_NONE) {
+	fprintf(stderr, "unknown destination charset '%s'\n", argv[2]);
+	return 1;
+    }
+
+    while (1) {
+
+	rdret = fread(inbuf, 1, sizeof(inbuf), stdin);
+
+	if (rdret <= 0)
+	    break;		       /* EOF */
+
+	inlen = rdret;
+	inptr = inbuf;
+	while ( (inret = charset_to_unicode(&inptr, &inlen, midbuf,
+					    lenof(midbuf), srcset,
+					    &instate, NULL, 0)) > 0) {
+	    midlen = inret;
+	    midptr = midbuf;
+	    while ( (midret = charset_from_unicode(&midptr, &midlen, outbuf,
+						   lenof(outbuf), dstset,
+						   &outstate, NULL)) > 0) {
+		fwrite(outbuf, 1, midret, stdout);
+	    }
+	}
+    }
+
+    /*
+     * Reset encoding state.
+     */
+    while ( (midret = charset_from_unicode(NULL, NULL, outbuf,
+					   lenof(outbuf), dstset,
+					   &outstate, NULL)) > 0) {
+	fwrite(outbuf, 1, midret, stdout);
+    }
+
+    return 0;
+}