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root |
1.40 |
/*----------------------------------------------------------------------* |
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pcg |
1.13 |
* File: misc.C |
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pcg |
1.1 |
*----------------------------------------------------------------------* |
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* |
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* All portions of code are copyright by their respective author/s. |
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* Copyright (c) 1996 mj olesen <olesen@me.QueensU.CA> Queen's Univ at Kingston |
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* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de> |
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* Copyright (c) 1998-2000 Geoff Wing <gcw@pobox.com> |
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root |
1.39 |
* Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com> |
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pcg |
1.1 |
* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*----------------------------------------------------------------------*/ |
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#include "../config.h" /* NECESSARY */ |
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#include "rxvt.h" /* NECESSARY */ |
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pcg |
1.3 |
char * |
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pcg |
1.10 |
rxvt_wcstombs (const wchar_t *str, int len) |
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{ |
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root |
1.19 |
if (len < 0) len = wcslen (str); |
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pcg |
1.10 |
mbstate mbs; |
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char *r = (char *)rxvt_malloc (len * MB_CUR_MAX + 1); |
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char *dst = r; |
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while (len--) |
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{ |
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root |
1.24 |
ssize_t l = wcrtomb (dst, *str++, mbs); |
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root |
1.31 |
|
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pcg |
1.10 |
if (l < 0) |
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*dst++ = '?'; |
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else |
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dst += l; |
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} |
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*dst++ = 0; |
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root |
1.24 |
return (char *)rxvt_realloc (r, dst - r); |
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pcg |
1.10 |
} |
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root |
1.19 |
wchar_t * |
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rxvt_mbstowcs (const char *str, int len) |
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{ |
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if (len < 0) len = strlen (str); |
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wchar_t *r = (wchar_t *)rxvt_malloc ((len + 1) * sizeof (wchar_t)); |
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|
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root |
1.24 |
if ((ssize_t)mbstowcs (r, str, len + 1) < 0) |
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root |
1.19 |
*r = 0; |
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return r; |
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} |
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char * |
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rxvt_wcstoutf8 (const wchar_t *str, int len) |
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{ |
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if (len < 0) len = wcslen (str); |
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char *r = (char *)rxvt_malloc (len * 4 + 1); |
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char *p = r; |
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while (len--) |
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{ |
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root |
1.22 |
unicode_t w = *str++ & UNICODE_MASK; |
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root |
1.19 |
|
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if (w < 0x000080) |
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*p++ = w; |
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else if (w < 0x000800) |
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*p++ = 0xc0 | ( w >> 6), |
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*p++ = 0x80 | ( w & 0x3f); |
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else if (w < 0x010000) |
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ayin |
1.48 |
*p++ = 0xe0 | ( w >> 12), |
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root |
1.19 |
*p++ = 0x80 | ((w >> 6) & 0x3f), |
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*p++ = 0x80 | ( w & 0x3f); |
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else if (w < 0x110000) |
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*p++ = 0xf0 | ( w >> 18), |
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*p++ = 0x80 | ((w >> 12) & 0x3f), |
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*p++ = 0x80 | ((w >> 6) & 0x3f), |
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*p++ = 0x80 | ( w & 0x3f); |
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else |
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*p++ = '?'; |
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} |
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1.24 |
*p++ = 0; |
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1.19 |
|
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1.24 |
return (char *)rxvt_realloc (r, p - r); |
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1.19 |
} |
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wchar_t * |
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rxvt_utf8towcs (const char *str, int len) |
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{ |
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if (len < 0) len = strlen (str); |
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1.21 |
wchar_t *r = (wchar_t *)rxvt_malloc ((len + 1) * sizeof (wchar_t)), |
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*p = r; |
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root |
1.19 |
|
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root |
1.21 |
unsigned char *s = (unsigned char *)str, |
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*e = s + len; |
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root |
1.19 |
|
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1.21 |
for (;;) |
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root |
1.19 |
{ |
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1.21 |
len = e - s; |
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if (len == 0) |
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break; |
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else if (s[0] < 0x80) |
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*p++ = *s++; |
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else if (len >= 2 |
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root |
1.19 |
&& s[0] >= 0xc2 && s[0] <= 0xdf |
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&& (s[1] & 0xc0) == 0x80) |
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{ |
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*p++ = ((s[0] & 0x1f) << 6) |
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| (s[1] & 0x3f); |
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root |
1.21 |
s += 2; |
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root |
1.19 |
} |
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root |
1.21 |
else if (len >= 3 |
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root |
1.19 |
&& ( (s[0] == 0xe0 && s[1] >= 0xa0 && s[1] <= 0xbf) |
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|| (s[0] >= 0xe1 && s[0] <= 0xec && s[1] >= 0x80 && s[1] <= 0xbf) |
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|| (s[0] == 0xed && s[1] >= 0x80 && s[1] <= 0x9f) |
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|| (s[0] >= 0xee && s[0] <= 0xef && s[1] >= 0x80 && s[1] <= 0xbf) |
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) |
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&& (s[2] & 0xc0) == 0x80) |
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{ |
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*p++ = ((s[0] & 0x0f) << 12) |
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| ((s[1] & 0x3f) << 6) |
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| (s[2] & 0x3f); |
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root |
1.21 |
s += 3; |
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root |
1.19 |
} |
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root |
1.21 |
else if (len >= 4 |
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root |
1.19 |
&& ( (s[0] == 0xf0 && s[1] >= 0x90 && s[1] <= 0xbf) |
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|| (s[0] >= 0xf1 && s[0] <= 0xf3 && s[1] >= 0x80 && s[1] <= 0xbf) |
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|| (s[0] == 0xf4 && s[1] >= 0x80 && s[1] <= 0x8f) |
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) |
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&& (s[2] & 0xc0) == 0x80 |
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&& (s[3] & 0xc0) == 0x80) |
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{ |
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*p++ = ((s[0] & 0x07) << 18) |
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| ((s[1] & 0x3f) << 12) |
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| ((s[2] & 0x3f) << 6) |
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| (s[3] & 0x3f); |
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root |
1.21 |
s += 4; |
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root |
1.19 |
} |
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else |
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{ |
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*p++ = 0xfffd; |
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root |
1.21 |
s++; |
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root |
1.19 |
} |
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} |
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*p = 0; |
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return r; |
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} |
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pcg |
1.10 |
char * |
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ayin |
1.46 |
rxvt_basename (const char *str) NOTHROW |
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pcg |
1.1 |
{ |
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root |
1.15 |
char *base = strrchr (str, '/'); |
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pcg |
1.1 |
|
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pcg |
1.7 |
return (char *) (base ? base + 1 : str); |
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pcg |
1.1 |
} |
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/* |
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* Print an error message |
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*/ |
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void |
179 |
root |
1.36 |
rxvt_vlog (const char *fmt, va_list arg_ptr) NOTHROW |
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pcg |
1.12 |
{ |
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char msg[1024]; |
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vsnprintf (msg, sizeof msg, fmt, arg_ptr); |
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if (GET_R && GET_R->log_hook) |
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(*GET_R->log_hook) (msg); |
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else |
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write (STDOUT_FILENO, msg, strlen (msg)); |
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} |
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void |
192 |
root |
1.36 |
rxvt_log (const char *fmt,...) NOTHROW |
193 |
pcg |
1.1 |
{ |
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pcg |
1.8 |
va_list arg_ptr; |
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pcg |
1.1 |
|
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pcg |
1.7 |
va_start (arg_ptr, fmt); |
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pcg |
1.12 |
rxvt_vlog (fmt, arg_ptr); |
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pcg |
1.7 |
va_end (arg_ptr); |
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pcg |
1.1 |
} |
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/* |
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pcg |
1.12 |
* Print an error message |
203 |
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*/ |
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void |
205 |
root |
1.36 |
rxvt_warn (const char *fmt,...) NOTHROW |
206 |
pcg |
1.12 |
{ |
207 |
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va_list arg_ptr; |
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209 |
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rxvt_log ("%s: ", RESNAME); |
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va_start (arg_ptr, fmt); |
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rxvt_vlog (fmt, arg_ptr); |
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va_end (arg_ptr); |
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} |
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void |
217 |
root |
1.36 |
rxvt_fatal (const char *fmt,...) THROW ((class rxvt_failure_exception)) |
218 |
pcg |
1.12 |
{ |
219 |
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va_list arg_ptr; |
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rxvt_log ("%s: ", RESNAME); |
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va_start (arg_ptr, fmt); |
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rxvt_vlog (fmt, arg_ptr); |
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va_end (arg_ptr); |
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rxvt_exit_failure (); |
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} |
229 |
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void |
231 |
root |
1.36 |
rxvt_exit_failure () THROW ((class rxvt_failure_exception)) |
232 |
pcg |
1.12 |
{ |
233 |
root |
1.36 |
static class rxvt_failure_exception rxvt_failure_exception; |
234 |
pcg |
1.12 |
throw (rxvt_failure_exception); |
235 |
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} |
236 |
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237 |
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/* |
238 |
ayin |
1.44 |
* remove leading/trailing space in place. |
239 |
pcg |
1.1 |
*/ |
240 |
ayin |
1.47 |
char * |
241 |
ayin |
1.46 |
rxvt_strtrim (char *str) NOTHROW |
242 |
pcg |
1.1 |
{ |
243 |
pcg |
1.8 |
char *r, *s; |
244 |
pcg |
1.1 |
|
245 |
pcg |
1.5 |
if (!str || !*str) /* shortcut */ |
246 |
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return str; |
247 |
pcg |
1.1 |
|
248 |
pcg |
1.5 |
/* skip leading spaces */ |
249 |
pcg |
1.7 |
for (s = str; *s && isspace (*s); s++) ; |
250 |
root |
1.25 |
|
251 |
pcg |
1.5 |
/* goto end of string */ |
252 |
root |
1.25 |
r = s + strlen (s) - 1; |
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254 |
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/* dump return and other trailing whitespace */ |
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while (r > s && isspace (*r)) |
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r--; |
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memmove (str, s, r + 1 - s); |
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str[r + 1 - s] = 0; |
260 |
pcg |
1.1 |
|
261 |
pcg |
1.5 |
return str; |
262 |
pcg |
1.1 |
} |
263 |
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264 |
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/* |
265 |
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* Split a comma-separated string into an array, stripping leading and |
266 |
root |
1.25 |
* trailing spaces from each entry. Empty strings are properly returned |
267 |
pcg |
1.1 |
*/ |
268 |
ayin |
1.47 |
char ** |
269 |
root |
1.36 |
rxvt_splitcommastring (const char *cs) NOTHROW |
270 |
pcg |
1.1 |
{ |
271 |
pcg |
1.5 |
int l, n, p; |
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const char *s, *t; |
273 |
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char **ret; |
274 |
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275 |
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if ((s = cs) == NULL) |
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s = ""; |
277 |
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278 |
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for (n = 1, t = s; *t; t++) |
279 |
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if (*t == ',') |
280 |
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n++; |
281 |
root |
1.25 |
|
282 |
pcg |
1.7 |
ret = (char **)malloc ((n + 1) * sizeof (char *)); |
283 |
pcg |
1.5 |
ret[n] = NULL; |
284 |
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285 |
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for (l = 0, t = s; l < n; l++) |
286 |
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{ |
287 |
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for ( ; *t && *t != ','; t++) ; |
288 |
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p = t - s; |
289 |
pcg |
1.7 |
ret[l] = (char *)malloc (p + 1); |
290 |
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strncpy (ret[l], s, p); |
291 |
pcg |
1.5 |
ret[l][p] = '\0'; |
292 |
ayin |
1.46 |
rxvt_strtrim (ret[l]); |
293 |
pcg |
1.5 |
s = ++t; |
294 |
pcg |
1.1 |
} |
295 |
root |
1.25 |
|
296 |
pcg |
1.5 |
return ret; |
297 |
pcg |
1.1 |
} |
298 |
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|
299 |
root |
1.16 |
void |
300 |
root |
1.36 |
rxvt_freecommastring (char **cs) NOTHROW |
301 |
root |
1.16 |
{ |
302 |
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for (int i = 0; cs[i]; ++i) |
303 |
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free (cs[i]); |
304 |
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305 |
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free (cs); |
306 |
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} |
307 |
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308 |
pcg |
1.1 |
|
309 |
root |
1.28 |
|