--- rxvt-unicode/src/misc.C	2004/08/15 04:54:21	1.15
+++ rxvt-unicode/src/misc.C	2006/01/03 02:43:33	1.30
@@ -25,19 +25,19 @@
 
 #include "../config.h"		/* NECESSARY */
 #include "rxvt.h"		/* NECESSARY */
-#include "misc.intpro"		/* PROTOS for internal routines */
 
-/* INTPROTO */
 char *
 rxvt_wcstombs (const wchar_t *str, int len)
 {
+  if (len < 0) len = wcslen (str);
+
   mbstate mbs;
   char *r = (char *)rxvt_malloc (len * MB_CUR_MAX + 1);
 
   char *dst = r;
   while (len--)
     {
-      int l = wcrtomb (dst, *str++, mbs);
+      ssize_t l = wcrtomb (dst, *str++, mbs);
       if (l < 0)
         *dst++ = '?';
       else
@@ -46,17 +46,129 @@
 
   *dst++ = 0;
 
+  return (char *)rxvt_realloc (r, dst - r);
+}
+
+wchar_t *
+rxvt_mbstowcs (const char *str, int len)
+{
+  if (len < 0) len = strlen (str);
+
+  wchar_t *r = (wchar_t *)rxvt_malloc ((len + 1) * sizeof (wchar_t));
+
+  if ((ssize_t)mbstowcs (r, str, len + 1) < 0)
+    *r = 0;
+
+  return r;
+}
+
+char *
+rxvt_wcstoutf8 (const wchar_t *str, int len)
+{
+  if (len < 0) len = wcslen (str);
+
+  char *r = (char *)rxvt_malloc (len * 4 + 1);
+  char *p = r;
+
+  while (len--)
+    {
+      unicode_t w = *str++ & UNICODE_MASK;
+
+      if      (w < 0x000080)
+        *p++ = w;
+      else if (w < 0x000800)
+        *p++ = 0xc0 | ( w >>  6),
+        *p++ = 0x80 | ( w        & 0x3f);
+      else if (w < 0x010000)
+        *p++ = 0xe0 | ( w >> 12       ),
+        *p++ = 0x80 | ((w >>  6) & 0x3f),
+        *p++ = 0x80 | ( w        & 0x3f);
+      else if (w < 0x110000)
+        *p++ = 0xf0 | ( w >> 18),
+        *p++ = 0x80 | ((w >> 12) & 0x3f),
+        *p++ = 0x80 | ((w >>  6) & 0x3f),
+        *p++ = 0x80 | ( w        & 0x3f);
+      else
+        *p++ = '?';
+    }
+
+  *p++ = 0;
+
+  return (char *)rxvt_realloc (r, p - r);
+}
+
+wchar_t *
+rxvt_utf8towcs (const char *str, int len)
+{
+  if (len < 0) len = strlen (str);
+
+  wchar_t *r = (wchar_t *)rxvt_malloc ((len + 1) * sizeof (wchar_t)),
+          *p = r;
+
+  unsigned char *s = (unsigned char *)str,
+                *e = s + len;
+
+  for (;;)
+    {
+      len = e - s;
+
+      if (len == 0)
+        break;
+      else if (s[0] < 0x80)
+        *p++ = *s++;
+      else if (len >= 2
+               && s[0] >= 0xc2 && s[0] <= 0xdf 
+               && (s[1] & 0xc0) == 0x80)
+        {
+          *p++ = ((s[0] & 0x1f) << 6)
+               |  (s[1] & 0x3f);
+          s += 2;
+        }
+      else if (len >= 3
+               && (   (s[0] == 0xe0                 && s[1] >= 0xa0 && s[1] <= 0xbf)
+                   || (s[0] >= 0xe1 && s[0] <= 0xec && s[1] >= 0x80 && s[1] <= 0xbf)
+                   || (s[0] == 0xed                 && s[1] >= 0x80 && s[1] <= 0x9f)
+                   || (s[0] >= 0xee && s[0] <= 0xef && s[1] >= 0x80 && s[1] <= 0xbf)
+                  )
+               && (s[2] & 0xc0) == 0x80)
+        {
+          *p++ = ((s[0] & 0x0f) << 12)
+               | ((s[1] & 0x3f) <<  6)
+               |  (s[2] & 0x3f);
+          s += 3;
+        }
+      else if (len >= 4
+               && (   (s[0] == 0xf0                 && s[1] >= 0x90 && s[1] <= 0xbf)
+                   || (s[0] >= 0xf1 && s[0] <= 0xf3 && s[1] >= 0x80 && s[1] <= 0xbf)
+                   || (s[0] == 0xf4                 && s[1] >= 0x80 && s[1] <= 0x8f)
+                  )
+               && (s[2] & 0xc0) == 0x80
+               && (s[3] & 0xc0) == 0x80)
+        {
+          *p++ = ((s[0] & 0x07) << 18) 
+               | ((s[1] & 0x3f) << 12) 
+               | ((s[2] & 0x3f) <<  6) 
+               |  (s[3] & 0x3f);
+          s += 4;
+        }
+      else
+        {
+          *p++ = 0xfffd;
+          s++;
+        }
+    }
+
+  *p = 0;
+
   return r;
 }
 
-/* INTPROTO */
 char *
 rxvt_strdup (const char *str)
 {
   return str ? strdup (str) : 0;
 }
 
-/* INTPROTO */
 char *
 rxvt_r_basename (const char *str)
 {
@@ -68,7 +180,6 @@
 /*
  * Print an error message
  */
-/* INTPROTO */
 void
 rxvt_vlog (const char *fmt, va_list arg_ptr)
 {
@@ -82,7 +193,6 @@
     write (STDOUT_FILENO, msg, strlen (msg));
 }
 
-/* INTPROTO */
 void
 rxvt_log (const char *fmt,...)
 {
@@ -96,7 +206,6 @@
 /*
  * Print an error message
  */
-/* INTPROTO */
 void
 rxvt_warn (const char *fmt,...)
 {
@@ -109,7 +218,6 @@
   va_end (arg_ptr);
 }
 
-/* INTPROTO */
 void
 rxvt_fatal (const char *fmt,...)
 {
@@ -126,7 +234,6 @@
 
 class rxvt_failure_exception rxvt_failure_exception;
 
-/* INTPROTO */
 void
 rxvt_exit_failure ()
 {
@@ -141,7 +248,6 @@
  * Match
  *      return: strlen (S2)
  */
-/* INTPROTO */
 int
 rxvt_Str_match (const char *s1, const char *s2)
 {
@@ -150,7 +256,6 @@
   return ((strncmp (s1, s2, n) == 0) ? n : 0);
 }
 
-/* INTPROTO */
 const char *
 rxvt_Str_skip_space (const char *str)
 {
@@ -165,37 +270,35 @@
  * remove leading/trailing space and strip-off leading/trailing quotes.
  * in place.
  */
-/* INTPROTO */
 char           *
 rxvt_Str_trim (char *str)
 {
   char *r, *s;
-  int n;
 
   if (!str || !*str)		/* shortcut */
     return str;
 
   /* skip leading spaces */
   for (s = str; *s && isspace (*s); s++) ;
+
   /* goto end of string */
-  for (n = 0, r = s; *r++; n++) ;
-  r -= 2;
-  /* dump return */
-  if (n > 0 && *r == '\n')
-    n--, r--;
-  /* backtrack along trailing spaces */
-  for (; n > 0 && isspace (*r); r--, n--) ;
+  r = s + strlen (s) - 1;
+
+  /* dump return and other trailing whitespace */
+  while (r > s && isspace (*r))
+    r--;
+
+#if 0
   /* skip matching leading/trailing quotes */
   if (*s == '"' && *r == '"' && n > 1)
     {
       s++;
       n -= 2;
     }
+#endif
 
-  /* copy back over: forwards copy */
-  for (r = str; n; n--)
-    *r++ = *s++;
-  *r = '\0';
+  memmove (str, s, r + 1 - s);
+  str[r + 1 - s] = 0;
 
   return str;
 }
@@ -214,7 +317,6 @@
  *
  * returns the converted string length
  */
-/* INTPROTO */
 int
 rxvt_Str_escaped (char *str)
 {
@@ -288,11 +390,9 @@
 
 /*
  * Split a comma-separated string into an array, stripping leading and
- * trailing spaces (and paired quotes) from each entry.  Empty strings
- * are properly returned
+ * trailing spaces from each entry.  Empty strings are properly returned
  * Caller should free each entry and array when done
  */
-/* INTPROTO */
 char          **
 rxvt_splitcommastring (const char *cs)
 {
@@ -306,6 +406,7 @@
   for (n = 1, t = s; *t; t++)
     if (*t == ',')
       n++;
+
   ret = (char **)malloc ((n + 1) * sizeof (char *));
   ret[n] = NULL;
 
@@ -319,9 +420,19 @@
       rxvt_Str_trim (ret[l]);
       s = ++t;
     }
+
   return ret;
 }
 
+void
+rxvt_freecommastring (char **cs)
+{
+  for (int i = 0; cs[i]; ++i)
+    free (cs[i]);
+
+  free (cs);
+}
+
 /*----------------------------------------------------------------------*
  * file searching
  */
@@ -335,7 +446,6 @@
  *
  * FILE is either semi-colon or zero terminated
  */
-/* INTPROTO */
 char           *
 rxvt_File_search_path (const char *pathlist, const char *file, const char *ext)
 {
@@ -408,7 +518,6 @@
   return NULL;
 }
 
-/* INTPROTO */
 char           *
 rxvt_File_find (const char *file, const char *ext, const char *path)
 {
@@ -441,13 +550,12 @@
  * Draw top/left and bottom/right border shadows around windows
  */
 #if defined(RXVT_SCROLLBAR) || defined(MENUBAR)
-/* INTPROTO */
 void
 rxvt_Draw_Shadow (Display *display, Window win, GC topShadow, GC botShadow, int x, int y, int w, int h)
 {
   int             shadow;
 
-  shadow = (w == 0 || h == 0) ? 1 : SHADOW;
+  shadow = (w == 0 || h == 0) ? 1 : MENU_SHADOW;
   w += x - 1;
   h += y - 1;
   for (; shadow-- > 0; x++, y++, w--, h--)
@@ -462,7 +570,6 @@
 
 /* button shapes */
 #ifdef MENUBAR
-/* INTPROTO */
 void
 rxvt_Draw_Triangle (Display *display, Window win, GC topShadow, GC botShadow, int x, int y, int w, int type)
 {
@@ -503,4 +610,25 @@
     }
 }
 #endif
+
+// should not be used in interactive programs, for obvious reasons
+void rxvt_usleep (int usecs)
+{
+#if HAVE_NANOSLEEP
+  struct timespec ts;
+
+  ts.tv_sec = 0;
+  ts.tv_nsec = usecs * 1000;
+  nanosleep (&ts, NULL);
+#else                 
+  /* use select for timing */
+  struct timeval  tv;
+
+  tv.tv_sec = 0;
+  tv.tv_usec = usecs;
+  select (0, NULL, NULL, NULL, &tv);
+#endif                
+}
+
 /*----------------------- end-of-file (C source) -----------------------*/
+