gawk3.1.4: parse_escape problem

[KIMURA Koichi]

Hi,

I found multibyte bug.

That is, string which has escape seqence and some multibyte character
(has '\' as tis second byte) is parse_escape() accidentrally.
ex. "\nXXYY" (here, XX and YY are multibyte character)

Here is a patch.

--- node.c.7~   2005-02-15 23:25:19.000000000 +0900
+++ node.c      2005-06-13 01:08:40.000000000 +0900
@@ -378,9 +378,21 @@
                register char *ptm;
                register int c;
                register const char *end;
-
+#if defined MBS_SUPPORT
+               mbstate_t cur_state;
+               memset(&cur_state, 0, sizeof (cur_state));
+#endif
                end = &(r->stptr[len]);
                for (pf = ptm = r->stptr; pf < end;) {
+#if defined MBS_SUPPORT
+                       int mblen = mbrlen(pf, end-pf, &cur_state);
+                       if (mblen > 1) {
+                               int i;
+                               for (i=0; i<mblen; i++)
+                                       *ptm++ = *pf++;
+                               continue;
+                       }
+#endif
                        c = *pf++;
                        if (c == '\\') {
                                c = parse_escape(&pf);


Thank you,

-- 
KIMURA Koichi