initial import of /usr/share/asn1c/*.[ch] skeleton files
diff --git a/src/UTF8String.c b/src/UTF8String.c
new file mode 100644
index 0000000..e3f7388
--- /dev/null
+++ b/src/UTF8String.c
@@ -0,0 +1,183 @@
+/*-
+ * Copyright (c) 2003, 2004, 2006 Lev Walkin <vlm@lionet.info>.
+ * All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+#include <asn_internal.h>
+#include <UTF8String.h>
+
+/*
+ * UTF8String basic type description.
+ */
+static ber_tlv_tag_t asn_DEF_UTF8String_tags[] = {
+ (ASN_TAG_CLASS_UNIVERSAL | (12 << 2)), /* [UNIVERSAL 12] IMPLICIT ...*/
+ (ASN_TAG_CLASS_UNIVERSAL | (4 << 2)), /* ... OCTET STRING */
+};
+asn_TYPE_descriptor_t asn_DEF_UTF8String = {
+ "UTF8String",
+ "UTF8String",
+ OCTET_STRING_free,
+ UTF8String_print,
+ UTF8String_constraint, /* Check for invalid codes, etc. */
+ OCTET_STRING_decode_ber, /* Implemented in terms of OCTET STRING */
+ OCTET_STRING_encode_der,
+ OCTET_STRING_decode_xer_utf8,
+ OCTET_STRING_encode_xer_utf8,
+ 0, 0,
+ 0, /* Use generic outmost tag fetcher */
+ asn_DEF_UTF8String_tags,
+ sizeof(asn_DEF_UTF8String_tags)
+ / sizeof(asn_DEF_UTF8String_tags[0]) - 1,
+ asn_DEF_UTF8String_tags,
+ sizeof(asn_DEF_UTF8String_tags)
+ / sizeof(asn_DEF_UTF8String_tags[0]),
+ 0, /* No PER visible constraints */
+ 0, 0, /* No members */
+ 0 /* No specifics */
+};
+
+/*
+ * This is the table of length expectations.
+ * The second half of this table is only applicable to the long sequences.
+ */
+static int UTF8String_ht[2][16] = {
+ { /* 0x0 ... 0x7 */
+ /* 0000..0111 */
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ /* 1000..1011(0), 1100..1101(2), 1110(3), 1111(-1) */
+ 0, 0, 0, 0, 2, 2, 3, -1 },
+ { /* 0xF0 .. 0xF7 */
+ /* 11110000..11110111 */
+ 4, 4, 4, 4, 4, 4, 4, 4,
+ 5, 5, 5, 5, 6, 6, -1, -1 }
+};
+static int32_t UTF8String_mv[7] = { 0, 0,
+ 0x00000080,
+ 0x00000800,
+ 0x00010000,
+ 0x00200000,
+ 0x04000000
+};
+
+/* Internal aliases for return codes */
+#define U8E_TRUNC -1 /* UTF-8 sequence truncated */
+#define U8E_ILLSTART -2 /* Illegal UTF-8 sequence start */
+#define U8E_NOTCONT -3 /* Continuation expectation failed */
+#define U8E_NOTMIN -4 /* Not minimal length encoding */
+#define U8E_EINVAL -5 /* Invalid arguments */
+
+int
+UTF8String_constraint(asn_TYPE_descriptor_t *td, const void *sptr,
+ asn_app_constraint_failed_f *ctfailcb, void *app_key) {
+ ssize_t len = UTF8String_length((const UTF8String_t *)sptr);
+ switch(len) {
+ case U8E_EINVAL:
+ _ASN_CTFAIL(app_key, td,
+ "%s: value not given", td->name);
+ break;
+ case U8E_TRUNC:
+ _ASN_CTFAIL(app_key, td,
+ "%s: truncated UTF-8 sequence (%s:%d)",
+ td->name, __FILE__, __LINE__);
+ break;
+ case U8E_ILLSTART:
+ _ASN_CTFAIL(app_key, td,
+ "%s: UTF-8 illegal start of encoding (%s:%d)",
+ td->name, __FILE__, __LINE__);
+ break;
+ case U8E_NOTCONT:
+ _ASN_CTFAIL(app_key, td,
+ "%s: UTF-8 not continuation (%s:%d)",
+ td->name, __FILE__, __LINE__);
+ break;
+ case U8E_NOTMIN:
+ _ASN_CTFAIL(app_key, td,
+ "%s: UTF-8 not minimal sequence (%s:%d)",
+ td->name, __FILE__, __LINE__);
+ break;
+ }
+ return (len < 0) ? -1 : 0;
+}
+
+static ssize_t
+UTF8String__process(const UTF8String_t *st, uint32_t *dst, size_t dstlen) {
+ size_t length;
+ uint8_t *buf = st->buf;
+ uint8_t *end = buf + st->size;
+ uint32_t *dstend = dst + dstlen;
+
+ for(length = 0; buf < end; length++) {
+ int ch = *buf;
+ uint8_t *cend;
+ int32_t value;
+ int want;
+
+ /* Compute the sequence length */
+ want = UTF8String_ht[0][ch >> 4];
+ switch(want) {
+ case -1:
+ /* Second half of the table, long sequence */
+ want = UTF8String_ht[1][ch & 0x0F];
+ if(want != -1) break;
+ /* Fall through */
+ case 0:
+ return U8E_ILLSTART;
+ }
+
+ /* assert(want >= 1 && want <= 6) */
+
+ /* Check character sequence length */
+ if(buf + want > end) return U8E_TRUNC;
+
+ value = ch & (0xff >> want);
+ cend = buf + want;
+ for(buf++; buf < cend; buf++) {
+ ch = *buf;
+ if(ch < 0x80 || ch > 0xbf) return U8E_NOTCONT;
+ value = (value << 6) | (ch & 0x3F);
+ }
+ if(value < UTF8String_mv[want])
+ return U8E_NOTMIN;
+ if(dst < dstend)
+ *dst++ = value; /* Record value */
+ }
+
+ if(dst < dstend) *dst = 0; /* zero-terminate */
+
+ return length;
+}
+
+
+ssize_t
+UTF8String_length(const UTF8String_t *st) {
+ if(st && st->buf) {
+ return UTF8String__process(st, 0, 0);
+ } else {
+ return U8E_EINVAL;
+ }
+}
+
+size_t
+UTF8String_to_wcs(const UTF8String_t *st, uint32_t *dst, size_t dstlen) {
+ if(st && st->buf) {
+ ssize_t ret = UTF8String__process(st, dst, dstlen);
+ return (ret < 0) ? 0 : ret;
+ } else {
+ return 0;
+ }
+}
+
+int
+UTF8String_print(asn_TYPE_descriptor_t *td, const void *sptr, int ilevel,
+ asn_app_consume_bytes_f *cb, void *app_key) {
+ const UTF8String_t *st = (const UTF8String_t *)sptr;
+
+ (void)td; /* Unused argument */
+ (void)ilevel; /* Unused argument */
+
+ if(st && st->buf) {
+ return (cb(st->buf, st->size, app_key) < 0) ? -1 : 0;
+ } else {
+ return (cb("<absent>", 8, app_key) < 0) ? -1 : 0;
+ }
+}