rxvt-unicode/src/misc.C

/*--------------------------------*-C-*---------------------------------*
 * File:        misc.C
 *----------------------------------------------------------------------*
 *
 * All portions of code are copyright by their respective author/s.
 * Copyright (c) 1996      mj olesen <olesen@me.QueensU.CA> Queen's Univ at Kingston
 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
 * Copyright (c) 1998-2000 Geoff Wing <gcw@pobox.com>
 * Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *----------------------------------------------------------------------*/

#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)
{
  mbstate mbs;
  char *r = (char *)rxvt_malloc (len * MB_CUR_MAX + 1);

  char *dst = r;
  while (len--)
    {
      int l = wcrtomb (dst, *str++, mbs);
      if (l < 0)
        *dst++ = '?';
      else
        dst += l;
    }

  *dst++ = 0;

  return r;
}

/* INTPROTO */
char *
rxvt_strdup (const char *str)
{
  return str ? strdup (str) : 0;
}

/* INTPROTO */
char *
rxvt_r_basename (const char *str)
{
  char *base = strrchr (str, '/');

  return (char *) (base ? base + 1 : str);
}

/*
 * Print an error message
 */
/* INTPROTO */
void
rxvt_vlog (const char *fmt, va_list arg_ptr)
{
  char msg[1024];

  vsnprintf (msg, sizeof msg, fmt, arg_ptr);

  if (GET_R && GET_R->log_hook)
    (*GET_R->log_hook) (msg);
  else
    write (STDOUT_FILENO, msg, strlen (msg));
}

/* INTPROTO */
void
rxvt_log (const char *fmt,...)
{
  va_list arg_ptr;

  va_start (arg_ptr, fmt);
  rxvt_vlog (fmt, arg_ptr);
  va_end (arg_ptr);
}

/*
 * Print an error message
 */
/* INTPROTO */
void
rxvt_warn (const char *fmt,...)
{
  va_list arg_ptr;

  rxvt_log ("%s: ", RESNAME);

  va_start (arg_ptr, fmt);
  rxvt_vlog (fmt, arg_ptr);
  va_end (arg_ptr);
}

/* INTPROTO */
void
rxvt_fatal (const char *fmt,...)
{
  va_list arg_ptr;

  rxvt_log ("%s: ", RESNAME);

  va_start (arg_ptr, fmt);
  rxvt_vlog (fmt, arg_ptr);
  va_end (arg_ptr);

  rxvt_exit_failure ();
}

class rxvt_failure_exception rxvt_failure_exception;

/* INTPROTO */
void
rxvt_exit_failure ()
{
  throw (rxvt_failure_exception);
}

/*
 * check that the first characters of S1 match S2
 *
 * No Match
 *      return: 0
 * Match
 *      return: strlen (S2)
 */
/* INTPROTO */
int
rxvt_Str_match (const char *s1, const char *s2)
{
  int n = strlen (s2);

  return ((strncmp (s1, s2, n) == 0) ? n : 0);
}

/* INTPROTO */
const char *
rxvt_Str_skip_space (const char *str)
{
  if (str)
    while (*str && isspace (*str))
      str++;

  return str;
}

/*
 * 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--) ;
  /* skip matching leading/trailing quotes */
  if (*s == '"' && *r == '"' && n > 1)
    {
      s++;
      n -= 2;
    }

  /* copy back over: forwards copy */
  for (r = str; n; n--)
    *r++ = *s++;
  *r = '\0';

  return str;
}

/*
 * in-place interpretation of string:
 *
 *      backslash-escaped:      "\a\b\E\e\n\r\t", "\octal"
 *      Ctrl chars:     ^@ .. ^_, ^?
 *
 *      Emacs-style:    "M-" prefix
 *
 * Also,
 *      "M-x" prefixed strings, append "\r" if needed
 *      "\E]" prefixed strings (XTerm escape sequence) append ST if needed
 *
 * returns the converted string length
 */
/* INTPROTO */
int
rxvt_Str_escaped (char *str)
{
  char            ch, *s, *d;
  int             i, num, append = 0;

  if (!str || !*str)
    return 0;

  d = s = str;

  if (*s == 'M' && s[1] == '-')
    {
      /* Emacs convenience, replace leading `M-..' with `\E..' */
      *d++ = C0_ESC;
      s += 2;
      if (toupper (*s) == 'X')
        /* append carriage-return for `M-xcommand' */
        for (*d++ = 'x', append = '\r', s++; isspace (*s); s++) ;
    }
  for (; (ch = *s++);)
    {
      if (ch == '\\')
        {
          ch = *s++;
          if (ch >= '0' && ch <= '7')
            {   /* octal */
              num = ch - '0';
              for (i = 0; i < 2; i++, s++)
                {
                  ch = *s;
                  if (ch < '0' || ch > '7')
                    break;
                  num = num * 8 + ch - '0';
                }
              ch = (char)num;
            }
          else if (ch == 'a')
            ch = C0_BEL;        /* bell */
          else if (ch == 'b')
            ch = C0_BS; /* backspace */
          else if (ch == 'E' || ch == 'e')
            ch = C0_ESC;        /* escape */
          else if (ch == 'n')
            ch = '\n';  /* newline */
          else if (ch == 'r')
            ch = '\r';  /* carriage-return */
          else if (ch == 't')
            ch = C0_HT; /* tab */
        }
      else if (ch == '^')
        {
          ch = *s++;
          ch = toupper (ch);
          ch = (ch == '?' ? 127 : (ch - '@'));
        }
      *d++ = ch;
    }

  /* ESC] is an XTerm escape sequence, must be terminated */
  if (*str == '\0' && str[1] == C0_ESC && str[2] == ']')
    append = CHAR_ST;

  /* add trailing character as required */
  if (append && d[-1] != append)
    *d++ = append;
  *d = '\0';

  return (d - str);
}

/*
 * Split a comma-separated string into an array, stripping leading and
 * trailing spaces (and paired quotes) from each entry.  Empty strings
 * are properly returned
 * Caller should free each entry and array when done
 */
/* INTPROTO */
char          **
rxvt_splitcommastring (const char *cs)
{
  int             l, n, p;
  const char     *s, *t;
  char          **ret;

  if ((s = cs) == NULL)
    s = "";

  for (n = 1, t = s; *t; t++)
    if (*t == ',')
      n++;
  ret = (char **)malloc ((n + 1) * sizeof (char *));
  ret[n] = NULL;

  for (l = 0, t = s; l < n; l++)
    {
      for ( ; *t && *t != ','; t++) ;
      p = t - s;
      ret[l] = (char *)malloc (p + 1);
      strncpy (ret[l], s, p);
      ret[l][p] = '\0';
      rxvt_Str_trim (ret[l]);
      s = ++t;
    }
  return ret;
}

/*----------------------------------------------------------------------*
 * file searching
 */

/* #define DEBUG_SEARCH_PATH */

#if defined (XPM_BACKGROUND) || (MENUBAR_MAX)
/*
 * search for FILE in the current working directory, and within the
 * colon-delimited PATHLIST, adding the file extension EXT if required.
 *
 * FILE is either semi-colon or zero terminated
 */
/* INTPROTO */
char           *
rxvt_File_search_path (const char *pathlist, const char *file, const char *ext)
{
  int             maxpath, len;
  const char     *p, *path;
  char            name[256];

  if (!access (file, R_OK))     /* found (plain name) in current directory */
    return strdup (file);

  /* semi-colon delimited */
  if ((p = strchr (file, ';')))
    len = (p - file);
  else
    len = strlen (file);

#ifdef DEBUG_SEARCH_PATH
  getcwd (name, sizeof (name));
  fprintf (stderr, "pwd: \"%s\"\n", name);
  fprintf (stderr, "find: \"%.*s\"\n", len, file);
#endif

  /* leave room for an extra '/' and trailing '\0' */
  maxpath = sizeof (name) - (len + (ext ? strlen (ext) : 0) + 2);
  if (maxpath <= 0)
    return NULL;

  /* check if we can find it now */
  strncpy (name, file, len);
  name[len] = '\0';

  if (!access (name, R_OK))
    return strdup (name);
  if (ext)
    {
      strcat (name, ext);
      if (!access (name, R_OK))
        return strdup (name);
    }
  for (path = pathlist; path != NULL && *path != '\0'; path = p)
    {
      int             n;

      /* colon delimited */
      if ((p = strchr (path, ':')) == NULL)
        p = strchr (path, '\0');

      n = (p - path);
      if (*p != '\0')
        p++;

      if (n > 0 && n <= maxpath)
        {
          strncpy (name, path, n);
          if (name[n - 1] != '/')
            name[n++] = '/';
          name[n] = '\0';
          strncat (name, file, len);

          if (!access (name, R_OK))
            return strdup (name);
          if (ext)
            {
              strcat (name, ext);
              if (!access (name, R_OK))
                return strdup (name);
            }
        }
    }
  return NULL;
}

/* INTPROTO */
char           *
rxvt_File_find (const char *file, const char *ext, const char *path)
{
  char           *f;

  if (file == NULL || *file == '\0')
    return NULL;

  /* search environment variables here too */
  if ((f = rxvt_File_search_path (path, file, ext)) == NULL)
#ifdef PATH_ENV
    if ((f = rxvt_File_search_path (getenv (PATH_ENV), file, ext)) == NULL)
#endif
      f = rxvt_File_search_path (getenv ("PATH"), file, ext);

#ifdef DEBUG_SEARCH_PATH
  if (f)
    fprintf (stderr, "found: \"%s\"\n", f);
#endif

  return f;
}
#endif                          /* defined (XPM_BACKGROUND) || (MENUBAR_MAX) */

/*----------------------------------------------------------------------*
 * miscellaneous drawing routines
 */

/*
 * 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;
  w += x - 1;
  h += y - 1;
  for (; shadow-- > 0; x++, y++, w--, h--)
    {
      XDrawLine (display, win, topShadow, x, y, w, y);
      XDrawLine (display, win, topShadow, x, y, x, h);
      XDrawLine (display, win, botShadow, w, h, w, y + 1);
      XDrawLine (display, win, botShadow, w, h, x + 1, h);
    }
}
#endif

/* 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)
{
  switch (type)
    {
      case 'r':                 /* right triangle */
        XDrawLine (display, win, topShadow, x, y, x, y + w);
        XDrawLine (display, win, topShadow, x, y, x + w, y + w / 2);
        XDrawLine (display, win, botShadow, x, y + w, x + w, y + w / 2);
        break;

      case 'l':                 /* left triangle */
        XDrawLine (display, win, botShadow, x + w, y + w, x + w, y);
        XDrawLine (display, win, botShadow, x + w, y + w, x, y + w / 2);
        XDrawLine (display, win, topShadow, x, y + w / 2, x + w, y);
        break;

      case 'd':                 /* down triangle */
        XDrawLine (display, win, topShadow, x, y, x + w / 2, y + w);
        XDrawLine (display, win, topShadow, x, y, x + w, y);
        XDrawLine (display, win, botShadow, x + w, y, x + w / 2, y + w);
        break;

      case 'u':                 /* up triangle */
        XDrawLine (display, win, botShadow, x + w, y + w, x + w / 2, y);
        XDrawLine (display, win, botShadow, x + w, y + w, x, y + w);
        XDrawLine (display, win, topShadow, x, y + w, x + w / 2, y);
        break;
#if 0
      case 's':                 /* square */
        XDrawLine (display, win, topShadow, x + w, y, x, y);
        XDrawLine (display, win, topShadow, x, y, x, y + w);
        XDrawLine (display, win, botShadow, x, y + w, x + w, y + w);
        XDrawLine (display, win, botShadow, x + w, y + w, x + w, y);
        break;
#endif

    }
}
#endif
/*----------------------- end-of-file (C source) -----------------------*/
Revision:	1.15
Committed:	Sun Aug 15 04:54:21 2004 UTC (19 years, 9 months ago) by root
Content type:	text/plain
Branch:	MAIN
CVS Tags:	rel-4_0, rel-3_7, rel-3_8
Changes since 1.13:	+35 -35 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	pcg	1.1	/---------------------------------C----------------------------------
2	pcg	1.13	* File: misc.C
3	pcg	1.1	----------------------------------------------------------------------
4			*
5			* All portions of code are copyright by their respective author/s.
6			* Copyright (c) 1996 mj olesen <olesen@me.QueensU.CA> Queen's Univ at Kingston
7			* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
8			* Copyright (c) 1998-2000 Geoff Wing <gcw@pobox.com>
9	pcg	1.8	* Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com>
10	pcg	1.1	*
11			* This program is free software; you can redistribute it and/or modify
12			* it under the terms of the GNU General Public License as published by
13			* the Free Software Foundation; either version 2 of the License, or
14			* (at your option) any later version.
15			*
16			* This program is distributed in the hope that it will be useful,
17			* but WITHOUT ANY WARRANTY; without even the implied warranty of
18			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19			* GNU General Public License for more details.
20			*
21			* You should have received a copy of the GNU General Public License
22			* along with this program; if not, write to the Free Software
23			* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24			----------------------------------------------------------------------/
25
26			#include "../config.h" /* NECESSARY */
27			#include "rxvt.h" /* NECESSARY */
28			#include "misc.intpro" /* PROTOS for internal routines */
29
30	root	1.15	/* INTPROTO */
31	pcg	1.3	char *
32	pcg	1.10	rxvt_wcstombs (const wchar_t *str, int len)
33			{
34			mbstate mbs;
35			char r = (char )rxvt_malloc (len * MB_CUR_MAX + 1);
36
37			char *dst = r;
38			while (len--)
39			{
40			int l = wcrtomb (dst, *str++, mbs);
41			if (l < 0)
42			*dst++ = '?';
43			else
44			dst += l;
45			}
46
47			*dst++ = 0;
48
49			return r;
50			}
51
52	root	1.15	/* INTPROTO */
53	pcg	1.10	char *
54	pcg	1.3	rxvt_strdup (const char *str)
55			{
56			return str ? strdup (str) : 0;
57			}
58
59	root	1.15	/* INTPROTO */
60	pcg	1.8	char *
61	pcg	1.7	rxvt_r_basename (const char *str)
62	pcg	1.1	{
63	root	1.15	char *base = strrchr (str, '/');
64	pcg	1.1
65	pcg	1.7	return (char *) (base ? base + 1 : str);
66	pcg	1.1	}
67
68			/*
69			* Print an error message
70			*/
71	root	1.15	/* INTPROTO */
72	pcg	1.1	void
73	pcg	1.12	rxvt_vlog (const char *fmt, va_list arg_ptr)
74			{
75			char msg[1024];
76
77			vsnprintf (msg, sizeof msg, fmt, arg_ptr);
78
79			if (GET_R && GET_R->log_hook)
80			(*GET_R->log_hook) (msg);
81			else
82			write (STDOUT_FILENO, msg, strlen (msg));
83			}
84
85	root	1.15	/* INTPROTO */
86	pcg	1.12	void
87			rxvt_log (const char *fmt,...)
88	pcg	1.1	{
89	pcg	1.8	va_list arg_ptr;
90	pcg	1.1
91	pcg	1.7	va_start (arg_ptr, fmt);
92	pcg	1.12	rxvt_vlog (fmt, arg_ptr);
93	pcg	1.7	va_end (arg_ptr);
94	pcg	1.1	}
95
96			/*
97	pcg	1.12	* Print an error message
98			*/
99	root	1.15	/* INTPROTO */
100	pcg	1.12	void
101			rxvt_warn (const char *fmt,...)
102			{
103			va_list arg_ptr;
104
105			rxvt_log ("%s: ", RESNAME);
106
107			va_start (arg_ptr, fmt);
108			rxvt_vlog (fmt, arg_ptr);
109			va_end (arg_ptr);
110			}
111
112	root	1.15	/* INTPROTO */
113	pcg	1.12	void
114			rxvt_fatal (const char *fmt,...)
115			{
116			va_list arg_ptr;
117
118			rxvt_log ("%s: ", RESNAME);
119
120			va_start (arg_ptr, fmt);
121			rxvt_vlog (fmt, arg_ptr);
122			va_end (arg_ptr);
123
124			rxvt_exit_failure ();
125			}
126
127			class rxvt_failure_exception rxvt_failure_exception;
128
129	root	1.15	/* INTPROTO */
130	pcg	1.12	void
131			rxvt_exit_failure ()
132			{
133			throw (rxvt_failure_exception);
134			}
135
136			/*
137	pcg	1.1	* check that the first characters of S1 match S2
138			*
139			* No Match
140			* return: 0
141			* Match
142	root	1.15	* return: strlen (S2)
143	pcg	1.1	*/
144	root	1.15	/* INTPROTO */
145	pcg	1.1	int
146	pcg	1.7	rxvt_Str_match (const char s1, const char s2)
147	pcg	1.1	{
148	root	1.15	int n = strlen (s2);
149	pcg	1.1
150	root	1.15	return ((strncmp (s1, s2, n) == 0) ? n : 0);
151	pcg	1.1	}
152
153	root	1.15	/* INTPROTO */
154	pcg	1.8	const char *
155	pcg	1.7	rxvt_Str_skip_space (const char *str)
156	pcg	1.1	{
157	pcg	1.5	if (str)
158	pcg	1.7	while (str && isspace (str))
159	pcg	1.5	str++;
160	pcg	1.8
161	pcg	1.5	return str;
162	pcg	1.1	}
163
164			/*
165			* remove leading/trailing space and strip-off leading/trailing quotes.
166			* in place.
167			*/
168	root	1.15	/* INTPROTO */
169	pcg	1.1	char *
170	pcg	1.7	rxvt_Str_trim (char *str)
171	pcg	1.1	{
172	pcg	1.8	char r, s;
173			int n;
174	pcg	1.1
175	pcg	1.5	if (!str \|\| !str) / shortcut */
176			return str;
177	pcg	1.1
178	pcg	1.5	/* skip leading spaces */
179	pcg	1.7	for (s = str; s && isspace (s); s++) ;
180	pcg	1.5	/* goto end of string */
181			for (n = 0, r = s; *r++; n++) ;
182			r -= 2;
183			/* dump return */
184			if (n > 0 && *r == '\n')
185			n--, r--;
186			/* backtrack along trailing spaces */
187	pcg	1.7	for (; n > 0 && isspace (*r); r--, n--) ;
188	pcg	1.5	/* skip matching leading/trailing quotes */
189			if (s == '"' && r == '"' && n > 1)
190			{
191			s++;
192			n -= 2;
193	pcg	1.1	}
194	pcg	1.8
195	pcg	1.5	/* copy back over: forwards copy */
196			for (r = str; n; n--)
197			r++ = s++;
198			*r = '\0';
199	pcg	1.1
200	pcg	1.5	return str;
201	pcg	1.1	}
202
203			/*
204			* in-place interpretation of string:
205			*
206			* backslash-escaped: "\a\b\E\e\n\r\t", "\octal"
207			* Ctrl chars: ^@ .. ^_, ^?
208			*
209			* Emacs-style: "M-" prefix
210			*
211			* Also,
212			* "M-x" prefixed strings, append "\r" if needed
213			* "\E]" prefixed strings (XTerm escape sequence) append ST if needed
214			*
215			* returns the converted string length
216			*/
217	root	1.15	/* INTPROTO */
218	pcg	1.1	int
219	pcg	1.7	rxvt_Str_escaped (char *str)
220	pcg	1.1	{
221	pcg	1.5	char ch, s, d;
222			int i, num, append = 0;
223	pcg	1.1
224	pcg	1.5	if (!str \|\| !*str)
225			return 0;
226	pcg	1.1
227	pcg	1.5	d = s = str;
228	pcg	1.1
229	pcg	1.5	if (*s == 'M' && s[1] == '-')
230			{
231			/* Emacs convenience, replace leading `M-..' with `\E..' */
232			*d++ = C0_ESC;
233			s += 2;
234	pcg	1.7	if (toupper (*s) == 'X')
235	pcg	1.5	/* append carriage-return for `M-xcommand' */
236	pcg	1.7	for (d++ = 'x', append = '\r', s++; isspace (s); s++) ;
237	pcg	1.1	}
238	pcg	1.5	for (; (ch = *s++);)
239			{
240			if (ch == '\\')
241			{
242			ch = *s++;
243			if (ch >= '0' && ch <= '7')
244			{ /* octal */
245			num = ch - '0';
246			for (i = 0; i < 2; i++, s++)
247			{
248			ch = *s;
249			if (ch < '0' \|\| ch > '7')
250			break;
251			num = num * 8 + ch - '0';
252			}
253			ch = (char)num;
254			}
255			else if (ch == 'a')
256			ch = C0_BEL; /* bell */
257			else if (ch == 'b')
258			ch = C0_BS; /* backspace */
259			else if (ch == 'E' \|\| ch == 'e')
260			ch = C0_ESC; /* escape */
261			else if (ch == 'n')
262			ch = '\n'; /* newline */
263			else if (ch == 'r')
264			ch = '\r'; /* carriage-return */
265			else if (ch == 't')
266			ch = C0_HT; /* tab */
267			}
268			else if (ch == '^')
269			{
270			ch = *s++;
271	pcg	1.7	ch = toupper (ch);
272	pcg	1.5	ch = (ch == '?' ? 127 : (ch - '@'));
273			}
274			*d++ = ch;
275	pcg	1.1	}
276
277	pcg	1.5	/* ESC] is an XTerm escape sequence, must be terminated */
278			if (*str == '\0' && str[1] == C0_ESC && str[2] == ']')
279			append = CHAR_ST;
280
281			/* add trailing character as required */
282			if (append && d[-1] != append)
283			*d++ = append;
284			*d = '\0';
285	pcg	1.1
286	pcg	1.5	return (d - str);
287	pcg	1.1	}
288
289			/*
290			* Split a comma-separated string into an array, stripping leading and
291			* trailing spaces (and paired quotes) from each entry. Empty strings
292			* are properly returned
293			* Caller should free each entry and array when done
294			*/
295	root	1.15	/* INTPROTO */
296	pcg	1.1	char **
297	pcg	1.7	rxvt_splitcommastring (const char *cs)
298	pcg	1.1	{
299	pcg	1.5	int l, n, p;
300			const char s, t;
301			char **ret;
302
303			if ((s = cs) == NULL)
304			s = "";
305
306			for (n = 1, t = s; *t; t++)
307			if (*t == ',')
308			n++;
309	pcg	1.7	ret = (char *)malloc ((n + 1) sizeof (char *));
310	pcg	1.5	ret[n] = NULL;
311
312			for (l = 0, t = s; l < n; l++)
313			{
314			for ( ; t && t != ','; t++) ;
315			p = t - s;
316	pcg	1.7	ret[l] = (char *)malloc (p + 1);
317			strncpy (ret[l], s, p);
318	pcg	1.5	ret[l][p] = '\0';
319	pcg	1.7	rxvt_Str_trim (ret[l]);
320	pcg	1.5	s = ++t;
321	pcg	1.1	}
322	pcg	1.5	return ret;
323	pcg	1.1	}
324
325			/----------------------------------------------------------------------
326			* file searching
327			*/
328
329			/* #define DEBUG_SEARCH_PATH */
330
331			#if defined (XPM_BACKGROUND) \|\| (MENUBAR_MAX)
332			/*
333			* search for FILE in the current working directory, and within the
334			* colon-delimited PATHLIST, adding the file extension EXT if required.
335			*
336			* FILE is either semi-colon or zero terminated
337			*/
338			/* INTPROTO */
339			char *
340	pcg	1.7	rxvt_File_search_path (const char pathlist, const char file, const char *ext)
341	pcg	1.1	{
342	pcg	1.5	int maxpath, len;
343			const char p, path;
344			char name[256];
345
346	pcg	1.7	if (!access (file, R_OK)) /* found (plain name) in current directory */
347	root	1.15	return strdup (file);
348	pcg	1.5
349			/* semi-colon delimited */
350	root	1.15	if ((p = strchr (file, ';')))
351	pcg	1.5	len = (p - file);
352			else
353	root	1.15	len = strlen (file);
354	pcg	1.1
355			#ifdef DEBUG_SEARCH_PATH
356	pcg	1.7	getcwd (name, sizeof (name));
357			fprintf (stderr, "pwd: \"%s\"\n", name);
358			fprintf (stderr, "find: \"%.*s\"\n", len, file);
359	pcg	1.1	#endif
360
361	pcg	1.5	/* leave room for an extra '/' and trailing '\0' */
362	root	1.15	maxpath = sizeof (name) - (len + (ext ? strlen (ext) : 0) + 2);
363	pcg	1.5	if (maxpath <= 0)
364			return NULL;
365
366			/* check if we can find it now */
367	root	1.15	strncpy (name, file, len);
368	pcg	1.5	name[len] = '\0';
369
370	pcg	1.7	if (!access (name, R_OK))
371	root	1.15	return strdup (name);
372	pcg	1.5	if (ext)
373			{
374	root	1.15	strcat (name, ext);
375	pcg	1.7	if (!access (name, R_OK))
376	root	1.15	return strdup (name);
377	pcg	1.1	}
378	pcg	1.5	for (path = pathlist; path != NULL && *path != '\0'; path = p)
379			{
380			int n;
381
382			/* colon delimited */
383	root	1.15	if ((p = strchr (path, ':')) == NULL)
384			p = strchr (path, '\0');
385	pcg	1.5
386			n = (p - path);
387			if (*p != '\0')
388			p++;
389
390			if (n > 0 && n <= maxpath)
391			{
392	root	1.15	strncpy (name, path, n);
393	pcg	1.5	if (name[n - 1] != '/')
394			name[n++] = '/';
395			name[n] = '\0';
396	root	1.15	strncat (name, file, len);
397	pcg	1.5
398	pcg	1.7	if (!access (name, R_OK))
399	root	1.15	return strdup (name);
400	pcg	1.5	if (ext)
401			{
402	root	1.15	strcat (name, ext);
403	pcg	1.7	if (!access (name, R_OK))
404	root	1.15	return strdup (name);
405	pcg	1.5	}
406			}
407	pcg	1.1	}
408	pcg	1.5	return NULL;
409	pcg	1.1	}
410
411	root	1.15	/* INTPROTO */
412	pcg	1.1	char *
413	pcg	1.7	rxvt_File_find (const char file, const char ext, const char *path)
414	pcg	1.1	{
415	pcg	1.5	char *f;
416	pcg	1.1
417	pcg	1.5	if (file == NULL \|\| *file == '\0')
418			return NULL;
419	pcg	1.1
420	pcg	1.5	/* search environment variables here too */
421	pcg	1.7	if ((f = rxvt_File_search_path (path, file, ext)) == NULL)
422	pcg	1.1	#ifdef PATH_ENV
423	pcg	1.7	if ((f = rxvt_File_search_path (getenv (PATH_ENV), file, ext)) == NULL)
424	pcg	1.1	#endif
425	pcg	1.7	f = rxvt_File_search_path (getenv ("PATH"), file, ext);
426	pcg	1.1
427			#ifdef DEBUG_SEARCH_PATH
428	pcg	1.5	if (f)
429	pcg	1.7	fprintf (stderr, "found: \"%s\"\n", f);
430	pcg	1.1	#endif
431
432	pcg	1.5	return f;
433	pcg	1.1	}
434			#endif /* defined (XPM_BACKGROUND) \|\| (MENUBAR_MAX) */
435
436			/----------------------------------------------------------------------
437			* miscellaneous drawing routines
438			*/
439
440			/*
441			* Draw top/left and bottom/right border shadows around windows
442			*/
443			#if defined(RXVT_SCROLLBAR) \|\| defined(MENUBAR)
444	root	1.15	/* INTPROTO */
445	pcg	1.1	void
446	pcg	1.7	rxvt_Draw_Shadow (Display *display, Window win, GC topShadow, GC botShadow, int x, int y, int w, int h)
447	pcg	1.1	{
448	pcg	1.5	int shadow;
449	pcg	1.1
450	pcg	1.5	shadow = (w == 0 \|\| h == 0) ? 1 : SHADOW;
451			w += x - 1;
452			h += y - 1;
453			for (; shadow-- > 0; x++, y++, w--, h--)
454			{
455	pcg	1.7	XDrawLine (display, win, topShadow, x, y, w, y);
456			XDrawLine (display, win, topShadow, x, y, x, h);
457			XDrawLine (display, win, botShadow, w, h, w, y + 1);
458			XDrawLine (display, win, botShadow, w, h, x + 1, h);
459	pcg	1.1	}
460			}
461			#endif
462
463			/* button shapes */
464			#ifdef MENUBAR
465	root	1.15	/* INTPROTO */
466	pcg	1.1	void
467	pcg	1.7	rxvt_Draw_Triangle (Display *display, Window win, GC topShadow, GC botShadow, int x, int y, int w, int type)
468	pcg	1.1	{
469	pcg	1.5	switch (type)
470			{
471			case 'r': /* right triangle */
472	pcg	1.7	XDrawLine (display, win, topShadow, x, y, x, y + w);
473			XDrawLine (display, win, topShadow, x, y, x + w, y + w / 2);
474			XDrawLine (display, win, botShadow, x, y + w, x + w, y + w / 2);
475	pcg	1.5	break;
476
477			case 'l': /* left triangle */
478	pcg	1.7	XDrawLine (display, win, botShadow, x + w, y + w, x + w, y);
479			XDrawLine (display, win, botShadow, x + w, y + w, x, y + w / 2);
480			XDrawLine (display, win, topShadow, x, y + w / 2, x + w, y);
481	pcg	1.5	break;
482
483			case 'd': /* down triangle */
484	pcg	1.7	XDrawLine (display, win, topShadow, x, y, x + w / 2, y + w);
485			XDrawLine (display, win, topShadow, x, y, x + w, y);
486			XDrawLine (display, win, botShadow, x + w, y, x + w / 2, y + w);
487	pcg	1.5	break;
488
489			case 'u': /* up triangle */
490	pcg	1.7	XDrawLine (display, win, botShadow, x + w, y + w, x + w / 2, y);
491			XDrawLine (display, win, botShadow, x + w, y + w, x, y + w);
492			XDrawLine (display, win, topShadow, x, y + w, x + w / 2, y);
493	pcg	1.5	break;
494	pcg	1.1	#if 0
495	pcg	1.5	case 's': /* square */
496	pcg	1.7	XDrawLine (display, win, topShadow, x + w, y, x, y);
497			XDrawLine (display, win, topShadow, x, y, x, y + w);
498			XDrawLine (display, win, botShadow, x, y + w, x + w, y + w);
499			XDrawLine (display, win, botShadow, x + w, y + w, x + w, y);
500	pcg	1.5	break;
501	pcg	1.1	#endif
502	pcg	1.5
503	pcg	1.1	}
504			}
505			#endif
506			/----------------------- end-of-file (C source) -----------------------/