[gawk-diffs] [SCM] gawk branch, gawk-4.0-stable, updated. 997dbc7f520c811e4c5325b9536f72cb454560cc

[Arnold Robbins]

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       via  997dbc7f520c811e4c5325b9536f72cb454560cc (commit)
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- Log -----------------------------------------------------------------
http://git.sv.gnu.org/cgit/gawk.git/commit/?id=997dbc7f520c811e4c5325b9536f72cb454560cc

commit 997dbc7f520c811e4c5325b9536f72cb454560cc
Author: Arnold D. Robbins <address@hidden>
Date:   Wed Sep 21 22:45:28 2011 +0300

    Make no mbs support work everywhere. Sheesh.

diff --git a/ChangeLog b/ChangeLog
index 425f706..44d9691 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -4,7 +4,12 @@
        that remove many ifdefs, moving many conditions for multibyte
        support into regular C code and relying GCC's dead code optimization
        to elimnate code that won't be needed.
-       * dfa.c: Further edits now that MBS_SUPPORT is always defined.
+       * dfa.c: For gawk, add a number of additional defines so that things
+       will compile if MBS_SUPPORT is 0.
+       * array.c, awk.h, awkgram.y, builtin.c, eval.c, field.c, main.c,
+       node.c, re.c: Change `#ifdef MBS_SUPPORT' to `#if MBS_SUPPORT'.
+       * awk.h, regex_internal.h: Move NO_MBSUPPORT handling to ...
+       * mbsupport.h: ...here.
 
 2011-09-16         Arnold D. Robbins     <address@hidden>
 
diff --git a/array.c b/array.c
index 84b9a91..82e99a4 100644
--- a/array.c
+++ b/array.c
@@ -1266,7 +1266,7 @@ cmp_string(const NODE *n1, const NODE *n2)
                const unsigned char *cp1 = (const unsigned char *) s1;
                const unsigned char *cp2 = (const unsigned char *) s2;
 
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
                if (gawk_mb_cur_max > 1) {
                        ret = strncasecmpmbs((const unsigned char *) cp1,
                                             (const unsigned char *) cp2, lmin);
diff --git a/awk.h b/awk.h
index 2ffe91d..2f3ccdd 100644
--- a/awk.h
+++ b/awk.h
@@ -76,11 +76,9 @@
 extern int errno;
 #endif
 
-#ifndef NO_MBSUPPORT
 #include "mbsupport.h" /* defines MBS_SUPPORT */
-#endif
 
-#if defined(MBS_SUPPORT)
+#if MBS_SUPPORT
 /* We can handle multibyte strings.  */
 #include <wchar.h>
 #include <wctype.h>
@@ -336,7 +334,7 @@ typedef struct exp_node {
                        size_t slen;
                        long sref;
                        int idx;
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
                        wchar_t *wsp;
                        size_t wslen;
 #endif
@@ -934,7 +932,7 @@ extern int exit_val;
 extern int do_lint;
 extern int do_lint_old;
 #endif
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
 extern int gawk_mb_cur_max;
 #else
 extern const int gawk_mb_cur_max;
@@ -1221,7 +1219,7 @@ extern AWKNUM nondec2awknum(char *str, size_t len);
 extern NODE *do_dcgettext(int nargs);
 extern NODE *do_dcngettext(int nargs);
 extern NODE *do_bindtextdomain(int nargs);
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
 extern int strncasecmpmbs(const unsigned char *,
                          const unsigned char *, size_t);
 #endif
@@ -1359,7 +1357,7 @@ extern NODE *r_make_str_node(const char *s, unsigned long 
len, int scan);
 extern NODE *more_nodes(void);
 extern void unref(NODE *tmp);
 extern int parse_escape(const char **string_ptr);
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
 extern NODE *str2wstr(NODE *n, size_t **ptr);
 extern NODE *wstr2str(NODE *n);
 #define force_wstring(n)       str2wstr(n, NULL)
diff --git a/awkgram.c b/awkgram.c
index a4d9f5d..7a06667 100644
--- a/awkgram.c
+++ b/awkgram.c
@@ -4584,7 +4584,7 @@ static const struct token tokentab[] = {
 {"xor",                Op_builtin,    LEX_BUILTIN,     GAWKX|A(2),     do_xor},
 };
 
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
 /* Variable containing the current shift state.  */
 static mbstate_t cur_mbstate;
 /* Ring buffer containing current characters.  */
@@ -5343,7 +5343,7 @@ tokexpand()
 
 /* nextc --- get the next input character */
 
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
 
 static int
 nextc(void)
@@ -5431,7 +5431,7 @@ nextc()
 static inline void
 pushback(void)
 {
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
        if (gawk_mb_cur_max > 1)
                cur_ring_idx = (cur_ring_idx == 0)? RING_BUFFER_SIZE - 1 :
                        cur_ring_idx - 1;
@@ -5624,7 +5624,7 @@ retry:
        thisline = NULL;
        tok = tokstart;
 
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
        if (gawk_mb_cur_max == 1 || nextc_is_1stbyte)
 #endif
        switch (c) {
diff --git a/awkgram.y b/awkgram.y
index 6d3f1f7..69f74ca 100644
--- a/awkgram.y
+++ b/awkgram.y
@@ -1894,7 +1894,7 @@ static const struct token tokentab[] = {
 {"xor",                Op_builtin,    LEX_BUILTIN,     GAWKX|A(2),     do_xor},
 };
 
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
 /* Variable containing the current shift state.  */
 static mbstate_t cur_mbstate;
 /* Ring buffer containing current characters.  */
@@ -2653,7 +2653,7 @@ tokexpand()
 
 /* nextc --- get the next input character */
 
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
 
 static int
 nextc(void)
@@ -2741,7 +2741,7 @@ nextc()
 static inline void
 pushback(void)
 {
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
        if (gawk_mb_cur_max > 1)
                cur_ring_idx = (cur_ring_idx == 0)? RING_BUFFER_SIZE - 1 :
                        cur_ring_idx - 1;
@@ -2934,7 +2934,7 @@ retry:
        thisline = NULL;
        tok = tokstart;
 
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
        if (gawk_mb_cur_max == 1 || nextc_is_1stbyte)
 #endif
        switch (c) {
diff --git a/builtin.c b/builtin.c
index 941f5ad..53800fc 100644
--- a/builtin.c
+++ b/builtin.c
@@ -214,7 +214,7 @@ do_fflush(int nargs)
        return make_number((AWKNUM) status);
 }
 
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
 /* strncasecmpmbs --- like strncasecmp (multibyte string version)  */
 
 int
@@ -312,7 +312,7 @@ do_index(int nargs)
        const char *p1, *p2;
        size_t l1, l2;
        long ret;
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
        int do_single_byte = FALSE;
        mbstate_t mbs1, mbs2;
 
@@ -348,7 +348,7 @@ do_index(int nargs)
                goto out;
        }
 
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
        if (gawk_mb_cur_max > 1) {
                s1 = force_wstring(s1);
                s2 = force_wstring(s2);
@@ -366,7 +366,7 @@ do_index(int nargs)
                while (l1 > 0) {
                        if (l2 > l1)
                                break;
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
                        if (! do_single_byte && gawk_mb_cur_max > 1) {
                                const wchar_t *pos;
 
@@ -389,7 +389,7 @@ do_index(int nargs)
                        }
                        l1--;
                        p1++;
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
                        }
 #endif
                }
@@ -402,7 +402,7 @@ do_index(int nargs)
                                ret = 1 + s1->stlen - l1;
                                break;
                        }
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
                        if (! do_single_byte && gawk_mb_cur_max > 1) {
                                const wchar_t *pos;
 
@@ -500,7 +500,7 @@ do_length(int nargs)
                lintwarn(_("length: received non-string argument"));
        (void) force_string(tmp);
 
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
        if (gawk_mb_cur_max > 1) {
                tmp = force_wstring(tmp);
                len = tmp->wstlen;
@@ -1007,7 +1007,7 @@ out0:
                         * used to work? 6/2003.)
                         */
                        cp = arg->stptr;
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
                        /*
                         * First character can be multiple bytes if
                         * it's a multibyte character. Grr.
@@ -1538,7 +1538,7 @@ do_substr(int nargs)
        if (nargs == 2) {       /* third arg. missing */
                /* use remainder of string */
                length = t1->stlen - indx;      /* default to bytes */
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
                if (gawk_mb_cur_max > 1) {
                        t1 = force_wstring(t1);
                        if (t1->wstlen > 0)     /* use length of wide char 
string if we have one */
@@ -1557,7 +1557,7 @@ do_substr(int nargs)
        }
 
        /* get total len of input string, for following checks */
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
        if (gawk_mb_cur_max > 1) {
                t1 = force_wstring(t1);
                src_len = t1->wstlen;
@@ -1580,7 +1580,7 @@ do_substr(int nargs)
                length = src_len - indx;
        }
 
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
        /* force_wstring() already called */
        if (gawk_mb_cur_max == 1 || t1->wstlen == t1->stlen)
                /* single byte case */
@@ -1940,7 +1940,7 @@ do_print_rec(int nargs, int redirtype)
                fflush(rp->fp);
 }
 
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
 
 /* is_wupper --- function version of iswupper for passing function pointers */
 
@@ -2029,7 +2029,7 @@ do_tolower(int nargs)
                        if (isupper(*cp))
                                *cp = tolower(*cp);
        }
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
        else {
                force_wstring(t2);
                wide_tolower(t2->wstptr, t2->wstlen);
@@ -2063,7 +2063,7 @@ do_toupper(int nargs)
                        if (islower(*cp))
                                *cp = toupper(*cp);
        }
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
        else {
                force_wstring(t2);
                wide_toupper(t2->wstptr, t2->wstlen);
@@ -2219,7 +2219,7 @@ do_match(int nargs)
                size_t *wc_indices = NULL;
 
                rlength = REEND(rp, t1->stptr) - RESTART(rp, t1->stptr);        
/* byte length */
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
                if (rlength > 0 && gawk_mb_cur_max > 1) {
                        t1 = str2wstr(t1, & wc_indices);
                        rlength = wc_indices[rstart + rlength - 1] - 
wc_indices[rstart] + 1;
@@ -2247,7 +2247,7 @@ do_match(int nargs)
                                        start = t1->stptr + s;
                                        subpat_start = s;
                                        subpat_len = len = SUBPATEND(rp, 
t1->stptr, ii) - s;
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
                                        if (len > 0 && gawk_mb_cur_max > 1) {
                                                subpat_start = wc_indices[s];
                                                subpat_len = wc_indices[s + len 
- 1] - subpat_start + 1;
@@ -3295,7 +3295,7 @@ do_bindtextdomain(int nargs)
 static size_t
 mbc_byte_count(const char *ptr, size_t numchars)
 {
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
        mbstate_t cur_state;
        size_t sum = 0;
        int mb_len;
@@ -3326,7 +3326,7 @@ mbc_byte_count(const char *ptr, size_t numchars)
 static size_t
 mbc_char_count(const char *ptr, size_t numbytes)
 {
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
        mbstate_t cur_state;
        size_t sum = 0;
        int mb_len;
diff --git a/dfa.c b/dfa.c
index 9a2e01e..7b25757 100644
--- a/dfa.c
+++ b/dfa.c
@@ -68,7 +68,15 @@
 #define bool int
 #define true (1)
 #define false (0)
-#endif
+#if ! MBS_SUPPORT
+#define wctype_t       int
+#define wint_t int
+#define mbstate_t      int
+#define WEOF   EOF
+#define towupper toupper
+#define towlower tolower
+#endif /* ! MBS_SUPPORT */
+#endif /* GAWK */
 
 #include "regex.h"
 #include "dfa.h"
diff --git a/eval.c b/eval.c
index 0a4a738..513245f 100644
--- a/eval.c
+++ b/eval.c
@@ -543,7 +543,7 @@ posix_compare(NODE *s1, NODE *s2)
                 * In either case, ret will be the right thing to return.
                 */
        }
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
        else {
                /* Similar logic, using wide characters */
                (void) force_wstring(s1);
@@ -626,7 +626,7 @@ cmp_nodes(NODE *t1, NODE *t2)
                const unsigned char *cp1 = (const unsigned char *) t1->stptr;
                const unsigned char *cp2 = (const unsigned char *) t2->stptr;
 
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
                if (gawk_mb_cur_max > 1) {
                        ret = strncasecmpmbs((const unsigned char *) cp1,
                                             (const unsigned char *) cp2, l);
diff --git a/field.c b/field.c
index 14a0333..2e7c150 100644
--- a/field.c
+++ b/field.c
@@ -373,7 +373,7 @@ re_parse_field(long up_to,  /* parse only up to this field 
number */
        char *end = scan + len;
        int regex_flags = RE_NEED_START;
        char *sep;
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
        size_t mbclen = 0;
        mbstate_t mbs;
        if (gawk_mb_cur_max > 1)
@@ -405,7 +405,7 @@ re_parse_field(long up_to,  /* parse only up to this field 
number */
               && nf < up_to) {
                regex_flags |= RE_NO_BOL;
                if (REEND(rp, scan) == RESTART(rp, scan)) {   /* null match */
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
                        if (gawk_mb_cur_max > 1)        {
                                mbclen = mbrlen(scan, end-scan, &mbs);
                                if ((mbclen == 1) || (mbclen == (size_t) -1)
@@ -617,7 +617,7 @@ null_parse_field(long up_to,        /* parse only up to 
this field number */
        if (len == 0)
                return nf;
 
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
        if (gawk_mb_cur_max > 1) {
                mbstate_t mbs;
                memset(&mbs, 0, sizeof(mbstate_t));
@@ -669,7 +669,7 @@ sc_parse_field(long up_to,  /* parse only up to this field 
number */
        char *field;
        char *end = scan + len;
        char sav;
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
        size_t mbclen = 0;
        mbstate_t mbs;
        if (gawk_mb_cur_max > 1)
@@ -693,7 +693,7 @@ sc_parse_field(long up_to,  /* parse only up to this field 
number */
 
        for (; nf < up_to;) {
                field = scan;
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
                if (gawk_mb_cur_max > 1) {
                        while (*scan != fschar) {
                                mbclen = mbrlen(scan, end-scan, &mbs);
@@ -747,7 +747,7 @@ fw_parse_field(long up_to,  /* parse only up to this field 
number */
        char *scan = *buf;
        long nf = parse_high_water;
        char *end = scan + len;
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
        int nmbc;
        size_t mbclen;
        size_t mbslen;
@@ -763,7 +763,7 @@ fw_parse_field(long up_to,  /* parse only up to this field 
number */
        if (len == 0)
                return nf;
        for (; nf < up_to && (len = FIELDWIDTHS[nf+1]) != -1; ) {
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
                if (gawk_mb_cur_max > 1) {
                        nmbc = 0;
                        mbslen = 0;
@@ -1426,13 +1426,13 @@ set_fpat_function:
  *                     Implementation varies if doing MBS or not.
  */
 
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
 #define increment_scan(scanp, len) incr_scan(scanp, len, & mbs)
 #else
 #define increment_scan(scanp, len) ((*scanp)++)
 #endif
 
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
 /* incr_scan --- MBS version of increment_scan() */
 
 static void
@@ -1578,7 +1578,7 @@ fpat_parse_field(long up_to,      /* parse only up to 
this field number */
        int need_to_set_sep;
        int non_empty;
        int eosflag;
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
        mbstate_t mbs;
 
        if (gawk_mb_cur_max > 1)
diff --git a/io.c b/io.c
index 6e1d06a..b693a13 100644
--- a/io.c
+++ b/io.c
@@ -2582,7 +2582,7 @@ rs1scan(IOBUF *iop, struct recmatch *recm, SCANSTATE 
*state)
 {
        char *bp;
        char rs;
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
        size_t mbclen = 0;
        mbstate_t mbs;
 #endif
@@ -2596,7 +2596,7 @@ rs1scan(IOBUF *iop, struct recmatch *recm, SCANSTATE 
*state)
        if (*state == INDATA)   /* skip over data we've already seen */
                bp += iop->scanoff;
 
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
        /*
         * From: Bruno Haible <address@hidden>
         * To: Aharon Robbins <address@hidden>, address@hidden
diff --git a/main.c b/main.c
index 657de32..66d4b9b 100644
--- a/main.c
+++ b/main.c
@@ -148,7 +148,7 @@ int do_binary = FALSE;              /* hands off my data! */
 int do_sandbox = FALSE;        /* sandbox mode - disable 'system' function & 
redirections */
 int use_lc_numeric = FALSE;    /* obey locale for decimal point */
 
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
 int gawk_mb_cur_max;           /* MB_CUR_MAX value, see comment in main() */
 #else
 const int gawk_mb_cur_max = 1;
@@ -267,7 +267,7 @@ main(int argc, char **argv)
        setlocale(LC_TIME, "");
 #endif
 
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
        /*
         * In glibc, MB_CUR_MAX is actually a function.  This value is
         * tested *a lot* in many speed-critical places in gawk. Caching
@@ -556,7 +556,7 @@ out:
        if (do_lint && os_is_setuid())
                warning(_("running %s setuid root may be a security problem"), 
myname);
 
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
        if (do_binary) {
                if (do_posix)
                        warning(_("`--posix' overrides `--binary'"));
diff --git a/mbsupport.h b/mbsupport.h
index 4c9e9bf..6008da7 100644
--- a/mbsupport.h
+++ b/mbsupport.h
@@ -36,6 +36,8 @@
 #include <stdlib.h>
 #endif
 
+#ifndef NO_MBSUPPORT
+
 #if    defined(HAVE_ISWCTYPE) \
     && defined(HAVE_LOCALE_H) \
     && defined(HAVE_MBRLEN) \
@@ -58,6 +60,10 @@
 # define MBS_SUPPORT 0
 #endif
 
+#else /* NO_MBSUPPORT is defined */
+# define MBS_SUPPORT 0
+#endif
+
 #if ! MBS_SUPPORT
 # undef MB_CUR_MAX
 # define MB_CUR_MAX 1
diff --git a/node.c b/node.c
index 315d46c..204a91f 100644
--- a/node.c
+++ b/node.c
@@ -297,7 +297,7 @@ dupnode(NODE *n)
        r->flags &= ~FIELD;
        r->flags |= MALLOC;
        r->valref = 1;
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
        /*
         * DON'T call free_wstr(r) here!
         * r->wstptr still points at n->wstptr's value, and we
@@ -305,13 +305,13 @@ dupnode(NODE *n)
         */
        r->wstptr = NULL;
        r->wstlen = 0;
-#endif /* defined MBS_SUPPORT */
+#endif /* MBS_SUPPORT */
 
        if ((n->flags & STRCUR) != 0) {
                emalloc(r->stptr, char *, n->stlen + 2, "dupnode");
                memcpy(r->stptr, n->stptr, n->stlen);
                r->stptr[n->stlen] = '\0';
-#if defined MBS_SUPPORT
+#if MBS_SUPPORT
                if ((n->flags & WSTRCUR) != 0) {
                        r->wstlen = n->wstlen;
                        emalloc(r->wstptr, wchar_t *, sizeof(wchar_t) * 
(n->wstlen + 2), "dupnode");
@@ -319,7 +319,7 @@ dupnode(NODE *n)
                        r->wstptr[n->wstlen] = L'\0';
                        r->flags |= WSTRCUR;
                }
-#endif /* defined MBS_SUPPORT */
+#endif /* MBS_SUPPORT */
        }
        
        return r;
@@ -354,10 +354,10 @@ r_make_str_node(const char *s, unsigned long len, int 
flags)
        r->type = Node_val;
        r->numbr = 0;
        r->flags = (STRING|STRCUR|MALLOC);
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
        r->wstptr = NULL;
        r->wstlen = 0;
-#endif /* defined MBS_SUPPORT */
+#endif /* MBS_SUPPORT */
 
        if (flags & ALREADY_MALLOCED)
                r->stptr = (char *) s;
@@ -372,7 +372,7 @@ r_make_str_node(const char *s, unsigned long len, int flags)
                char *ptm;
                int c;
                const char *end;
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
                mbstate_t cur_state;
 
                memset(& cur_state, 0, sizeof(cur_state));
@@ -380,7 +380,7 @@ r_make_str_node(const char *s, unsigned long len, int flags)
 
                end = &(r->stptr[len]);
                for (pf = ptm = r->stptr; pf < end;) {
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
                        /*
                         * Keep multibyte characters together. This avoids
                         * problems if a subsequent byte of a multibyte
@@ -653,7 +653,7 @@ isnondecimal(const char *str, int use_locale)
        return TRUE;
 }
 
-#if defined MBS_SUPPORT
+#if MBS_SUPPORT
 /* str2wstr --- convert a multibyte string to a wide string */
 
 NODE *
@@ -902,7 +902,7 @@ out:        ;
 
        return NULL;
 }
-#endif /* defined MBS_SUPPORT */
+#endif /* MBS_SUPPORT */
 
 /* is_ieee_magic_val --- return true for +inf, -inf, +nan, -nan */
 
@@ -949,7 +949,7 @@ get_ieee_magic_val(const char *val)
        return v;
 }
 
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
 wint_t btowc_cache[256];
 
 /* init_btowc_cache --- initialize the cache */
diff --git a/re.c b/re.c
index 234384b..78cc3cf 100644
--- a/re.c
+++ b/re.c
@@ -52,7 +52,7 @@ make_regexp(const char *s, size_t len, int ignorecase, int 
dfa, int canfatal)
         * It is 0, when the current character is a singlebyte character.
         */
        size_t is_multibyte = 0;
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
        mbstate_t mbs;
 
        if (gawk_mb_cur_max > 1)
@@ -85,7 +85,7 @@ make_regexp(const char *s, size_t len, int ignorecase, int 
dfa, int canfatal)
        dest = buf;
 
        while (src < end) {
-#ifdef MBS_SUPPORT
+#if MBS_SUPPORT
                if (gawk_mb_cur_max > 1 && ! is_multibyte) {
                        /* The previous byte is a singlebyte character, or last 
byte
                           of a multibyte character.  We check the next 
character.  */
diff --git a/regex_internal.h b/regex_internal.h
index 26b8abe..b5dc7b4 100644
--- a/regex_internal.h
+++ b/regex_internal.h
@@ -108,14 +108,9 @@ is_blank (int c)
 # define SIZE_MAX ((size_t) -1)
 #endif
 
-#ifndef NO_MBSUPPORT
 #include "mbsupport.h" /* gawk */
-#endif
-#ifndef MB_CUR_MAX
-#define MB_CUR_MAX 1
-#endif
 
-#if (defined MBS_SUPPORT) || _LIBC
+#if MBS_SUPPORT || _LIBC
 # define RE_ENABLE_I18N
 #endif
 

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog        |    7 ++++++-
 array.c          |    2 +-
 awk.h            |   12 +++++-------
 awkgram.c        |    8 ++++----
 awkgram.y        |    8 ++++----
 builtin.c        |   36 ++++++++++++++++++------------------
 dfa.c            |   10 +++++++++-
 eval.c           |    4 ++--
 field.c          |   20 ++++++++++----------
 io.c             |    4 ++--
 main.c           |    6 +++---
 mbsupport.h      |    6 ++++++
 node.c           |   22 +++++++++++-----------
 re.c             |    4 ++--
 regex_internal.h |    7 +------
 15 files changed, 84 insertions(+), 72 deletions(-)


hooks/post-receive
-- 
gawk