add autoconf magic to support old systems that don't support multibyte charsets

[mmh] / sbr / fmt_scan.c

diff --git a/sbr/fmt_scan.c b/sbr/fmt_scan.c
index b27f7c6..8475d50 100644 (file)
--- a/sbr/fmt_scan.c
+++ b/sbr/fmt_scan.c
@@ -25,7 +25,10 @@
 #  include <time.h>
 # endif
 #endif
-#include <wchar.h>
+#ifdef MULTIBYTE_SUPPORT
+#  include <wctype.h>
+#  include <wchar.h>
+#endif
 
 #define        NFMTS MAXARGS
 
@@ -127,8 +130,10 @@ cptrimmed(char **dest, char *str, unsigned int wid, char fill, size_t n) {
     int remaining;     /* remaining output width available */
     int c, ljust, w;
     int end;           /* number of input bytes remaining in str */
+#ifdef MULTIBYTE_SUPPORT
     int char_len;      /* bytes in current character */
     wchar_t wide_char;
+#endif
     char *sp;          /* current position in source string */
     char *cp = *dest;  /* current position in destination string */
     char *ep = cp + n; /* end of destination buffer */
@@ -144,6 +149,7 @@ cptrimmed(char **dest, char *str, unsigned int wid, char fill, size_t n) {
        mbtowc(NULL, NULL, 0); /* reset shift state */
        end = strlen(str);
        while (*sp && remaining > 0 && end > 0) {
+#ifdef MULTIBYTE_SUPPORT
            char_len = mbtowc(&wide_char, sp, end);
            if (char_len <= 0 || (cp + char_len > ep))
                break;
@@ -152,6 +158,11 @@ cptrimmed(char **dest, char *str, unsigned int wid, char fill, size_t n) {
 
            if (iswcntrl(wide_char) || iswspace(wide_char)) {
                sp += char_len;
+#else
+           end--;
+           if (iscntrl(*sp) || isspace(*sp)) {
+               sp++;
+#endif
                if (!prevCtrl) {
                    *cp++ = ' ';
                    remaining--;
@@ -162,6 +173,7 @@ cptrimmed(char **dest, char *str, unsigned int wid, char fill, size_t n) {
            }
            prevCtrl = 0;
 
+#ifdef MULTIBYTE_SUPPORT
            w = wcwidth(wide_char);
            if (w >= 0 && remaining >= w) {
                strncpy(cp, sp, char_len);
@@ -169,6 +181,10 @@ cptrimmed(char **dest, char *str, unsigned int wid, char fill, size_t n) {
                remaining -= w;
            }
            sp += char_len;
+#else
+           *cp++ = *sp++;
+           remaining--;
+#endif
        }
     }