#ifdef ICONV_CONST
iconv_t ic_chck = (iconv_t)-1;
-#ifdef ICONV_OPTION
+# ifdef ICONV_OPTION
iconv_t ic_send = (iconv_t)-1, ic_recv = (iconv_t)-1;
-int ic_ndx;
-#endif
+# endif
static const char *default_charset(void)
{
-#if defined HAVE_LIBCHARSET_H && defined HAVE_LOCALE_CHARSET
+# if defined HAVE_LIBCHARSET_H && defined HAVE_LOCALE_CHARSET
return locale_charset();
-#elif defined HAVE_LANGINFO_H && defined HAVE_NL_LANGINFO
+# elif defined HAVE_LANGINFO_H && defined HAVE_NL_LANGINFO
return nl_langinfo(CODESET);
-#else
+# else
return ""; /* Works with (at the very least) gnu iconv... */
-#endif
+# endif
}
void setup_iconv()
# ifdef ICONV_OPTION
const char *charset;
char *cp;
-#endif
+# endif
if (!am_server && !allow_8bit_chars) {
exit_cleanup(RERR_UNSUPPORTED);
}
- if (!am_sender || inc_recurse)
- ic_ndx = ++file_extra_cnt;
-
if (verbose > 1) {
rprintf(FINFO, "%s charset: %s\n",
am_server ? "server" : "client",
}
# endif
}
+
+# ifdef ICONV_OPTION
+
+/* This function converts the characters in the "in" xbuf into characters
+ * in the "out" xbuf. The "len" of the "in" xbuf is used starting from its
+ * "pos". The "size" of the "out" xbuf restricts how many characters can be
+ * stored, starting at its "pos+len" position. Note that the last byte of
+ * the buffer is never used, which reserves space for a terminating '\0'.
+ * We return a 0 on success or a -1 on error. An error also sets errno to
+ * E2BIG, EILSEQ, or EINVAL (see below); otherwise errno will be set to 0.
+ * The "in" xbuf is altered to update "pos" and "len". The "out" xbuf has
+ * data appended, and its "len" incremented. If ICB_EXPAND_OUT is set in
+ * "flags", the "out" xbuf will also be allocated if empty, and expanded if
+ * too small (so E2BIG will not be returned). If ICB_INCLUDE_BAD is set in
+ * "flags", any badly-encoded chars are included verbatim in the "out" xbuf,
+ * so EILSEQ will not be returned. Likewise for ICB_INCLUDE_INCOMPLETE with
+ * respect to an incomplete multi-byte char at the end, which ensures that
+ * EINVAL is not returned. Anytime "in.pos" is 0 we will reset the iconv()
+ * state prior to processing the characters. */
+int iconvbufs(iconv_t ic, xbuf *in, xbuf *out, int flags)
+{
+ ICONV_CONST char *ibuf;
+ size_t icnt, ocnt;
+ char *obuf;
+
+ if (!out->size && flags & ICB_EXPAND_OUT)
+ alloc_xbuf(out, 1024);
+
+ if (!in->pos)
+ iconv(ic, NULL, 0, NULL, 0);
+
+ ibuf = in->buf + in->pos;
+ icnt = in->len;
+
+ obuf = out->buf + (out->pos + out->len);
+ ocnt = out->size - (out->pos + out->len) - 1;
+
+ while (icnt) {
+ while (iconv(ic, &ibuf, &icnt, &obuf, &ocnt) == (size_t)-1) {
+ if (errno == EINTR)
+ continue;
+ if (errno == EINVAL) {
+ if (!(flags & ICB_INCLUDE_INCOMPLETE))
+ goto finish;
+ } else if (errno == EILSEQ) {
+ if (!(flags & ICB_INCLUDE_BAD))
+ goto finish;
+ } else {
+ size_t opos = obuf - out->buf;
+ if (!(flags & ICB_EXPAND_OUT)) {
+ errno = E2BIG;
+ goto finish;
+ }
+ realloc_xbuf(out, out->size + 1024);
+ obuf = out->buf + opos;
+ ocnt += 1024;
+ continue;
+ }
+ *obuf++ = *ibuf++;
+ ocnt--, icnt--;
+ }
+ }
+
+ errno = 0;
+
+ finish:
+ in->len = icnt;
+ in->pos = ibuf - in->buf;
+ out->len = obuf - out->buf - out->pos;
+
+ return errno ? -1 : 0;
+}
+# endif
#endif
int read_ndx_and_attrs(int f_in, int *iflag_ptr, uchar *type_ptr,