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root |
1.40 |
/*----------------------------------------------------------------------* |
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pcg |
1.13 |
* File: misc.C |
3 |
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 |
1.56 |
* Copyright (c) 2003-2006 Marc Lehmann <schmorp@schmorp.de> |
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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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root |
1.57 |
* the Free Software Foundation; either version 3 of the License, or |
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pcg |
1.1 |
* (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 */ |
27 |
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#include "rxvt.h" /* NECESSARY */ |
28 |
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pcg |
1.3 |
char * |
30 |
pcg |
1.10 |
rxvt_wcstombs (const wchar_t *str, int len) |
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{ |
32 |
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) |
43 |
root |
1.52 |
{ |
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*dst++ = '?'; |
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wcrtomb (0, 0, mbs); // reset undefined state |
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} |
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pcg |
1.10 |
else |
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dst += l; |
49 |
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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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|
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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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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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|
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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) |
87 |
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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root |
1.24 |
*p++ = 0; |
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root |
1.19 |
|
101 |
root |
1.24 |
return (char *)rxvt_realloc (r, p - r); |
102 |
root |
1.19 |
} |
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wchar_t * |
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rxvt_utf8towcs (const char *str, int len) |
106 |
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{ |
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if (len < 0) len = strlen (str); |
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root |
1.21 |
wchar_t *r = (wchar_t *)rxvt_malloc ((len + 1) * sizeof (wchar_t)), |
110 |
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*p = r; |
111 |
root |
1.19 |
|
112 |
root |
1.21 |
unsigned char *s = (unsigned char *)str, |
113 |
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*e = s + len; |
114 |
root |
1.19 |
|
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root |
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) |
122 |
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*p++ = *s++; |
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else if (len >= 2 |
124 |
ayin |
1.49 |
&& s[0] >= 0xc2 && s[0] <= 0xdf |
125 |
root |
1.19 |
&& (s[1] & 0xc0) == 0x80) |
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{ |
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*p++ = ((s[0] & 0x1f) << 6) |
128 |
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| (s[1] & 0x3f); |
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root |
1.21 |
s += 2; |
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root |
1.19 |
} |
131 |
root |
1.21 |
else if (len >= 3 |
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root |
1.19 |
&& ( (s[0] == 0xe0 && s[1] >= 0xa0 && s[1] <= 0xbf) |
133 |
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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) |
138 |
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{ |
139 |
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*p++ = ((s[0] & 0x0f) << 12) |
140 |
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| ((s[1] & 0x3f) << 6) |
141 |
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| (s[2] & 0x3f); |
142 |
root |
1.21 |
s += 3; |
143 |
root |
1.19 |
} |
144 |
root |
1.21 |
else if (len >= 4 |
145 |
root |
1.19 |
&& ( (s[0] == 0xf0 && s[1] >= 0x90 && s[1] <= 0xbf) |
146 |
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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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) |
149 |
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&& (s[2] & 0xc0) == 0x80 |
150 |
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&& (s[3] & 0xc0) == 0x80) |
151 |
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{ |
152 |
ayin |
1.49 |
*p++ = ((s[0] & 0x07) << 18) |
153 |
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| ((s[1] & 0x3f) << 12) |
154 |
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| ((s[2] & 0x3f) << 6) |
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root |
1.19 |
| (s[3] & 0x3f); |
156 |
root |
1.21 |
s += 4; |
157 |
root |
1.19 |
} |
158 |
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else |
159 |
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{ |
160 |
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*p++ = 0xfffd; |
161 |
root |
1.21 |
s++; |
162 |
root |
1.19 |
} |
163 |
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} |
164 |
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165 |
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*p = 0; |
166 |
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167 |
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return r; |
168 |
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} |
169 |
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170 |
root |
1.53 |
const char * |
171 |
ayin |
1.46 |
rxvt_basename (const char *str) NOTHROW |
172 |
pcg |
1.1 |
{ |
173 |
root |
1.54 |
const char *base = strrchr (str, '/'); |
174 |
pcg |
1.1 |
|
175 |
root |
1.54 |
return base ? base + 1 : str; |
176 |
pcg |
1.1 |
} |
177 |
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178 |
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/* |
179 |
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* Print an error message |
180 |
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*/ |
181 |
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void |
182 |
root |
1.36 |
rxvt_vlog (const char *fmt, va_list arg_ptr) NOTHROW |
183 |
pcg |
1.12 |
{ |
184 |
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char msg[1024]; |
185 |
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186 |
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vsnprintf (msg, sizeof msg, fmt, arg_ptr); |
187 |
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188 |
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if (GET_R && GET_R->log_hook) |
189 |
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(*GET_R->log_hook) (msg); |
190 |
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else |
191 |
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write (STDOUT_FILENO, msg, strlen (msg)); |
192 |
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} |
193 |
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194 |
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void |
195 |
root |
1.36 |
rxvt_log (const char *fmt,...) NOTHROW |
196 |
pcg |
1.1 |
{ |
197 |
pcg |
1.8 |
va_list arg_ptr; |
198 |
pcg |
1.1 |
|
199 |
pcg |
1.7 |
va_start (arg_ptr, fmt); |
200 |
pcg |
1.12 |
rxvt_vlog (fmt, arg_ptr); |
201 |
pcg |
1.7 |
va_end (arg_ptr); |
202 |
pcg |
1.1 |
} |
203 |
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204 |
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/* |
205 |
pcg |
1.12 |
* Print an error message |
206 |
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*/ |
207 |
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void |
208 |
root |
1.36 |
rxvt_warn (const char *fmt,...) NOTHROW |
209 |
pcg |
1.12 |
{ |
210 |
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va_list arg_ptr; |
211 |
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212 |
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rxvt_log ("%s: ", RESNAME); |
213 |
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214 |
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va_start (arg_ptr, fmt); |
215 |
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rxvt_vlog (fmt, arg_ptr); |
216 |
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va_end (arg_ptr); |
217 |
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} |
218 |
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219 |
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void |
220 |
root |
1.36 |
rxvt_fatal (const char *fmt,...) THROW ((class rxvt_failure_exception)) |
221 |
pcg |
1.12 |
{ |
222 |
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va_list arg_ptr; |
223 |
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224 |
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rxvt_log ("%s: ", RESNAME); |
225 |
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226 |
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va_start (arg_ptr, fmt); |
227 |
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rxvt_vlog (fmt, arg_ptr); |
228 |
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va_end (arg_ptr); |
229 |
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230 |
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rxvt_exit_failure (); |
231 |
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} |
232 |
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233 |
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void |
234 |
root |
1.36 |
rxvt_exit_failure () THROW ((class rxvt_failure_exception)) |
235 |
pcg |
1.12 |
{ |
236 |
root |
1.36 |
static class rxvt_failure_exception rxvt_failure_exception; |
237 |
pcg |
1.12 |
throw (rxvt_failure_exception); |
238 |
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} |
239 |
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240 |
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/* |
241 |
ayin |
1.44 |
* remove leading/trailing space in place. |
242 |
pcg |
1.1 |
*/ |
243 |
ayin |
1.47 |
char * |
244 |
ayin |
1.46 |
rxvt_strtrim (char *str) NOTHROW |
245 |
pcg |
1.1 |
{ |
246 |
pcg |
1.8 |
char *r, *s; |
247 |
pcg |
1.1 |
|
248 |
pcg |
1.5 |
if (!str || !*str) /* shortcut */ |
249 |
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return str; |
250 |
pcg |
1.1 |
|
251 |
pcg |
1.5 |
/* skip leading spaces */ |
252 |
pcg |
1.7 |
for (s = str; *s && isspace (*s); s++) ; |
253 |
root |
1.25 |
|
254 |
pcg |
1.5 |
/* goto end of string */ |
255 |
root |
1.25 |
r = s + strlen (s) - 1; |
256 |
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|
257 |
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/* dump return and other trailing whitespace */ |
258 |
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while (r > s && isspace (*r)) |
259 |
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r--; |
260 |
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261 |
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memmove (str, s, r + 1 - s); |
262 |
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str[r + 1 - s] = 0; |
263 |
pcg |
1.1 |
|
264 |
pcg |
1.5 |
return str; |
265 |
pcg |
1.1 |
} |
266 |
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|
267 |
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/* |
268 |
sf-exg |
1.55 |
* Split a string into an array based on the given delimiter, stripping leading and |
269 |
root |
1.25 |
* trailing spaces from each entry. Empty strings are properly returned |
270 |
pcg |
1.1 |
*/ |
271 |
ayin |
1.47 |
char ** |
272 |
sf-exg |
1.55 |
rxvt_strsplit (char delim, const char *str) NOTHROW |
273 |
pcg |
1.1 |
{ |
274 |
sf-exg |
1.55 |
int l, n; |
275 |
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char *s, *t; |
276 |
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char **ret; |
277 |
pcg |
1.5 |
|
278 |
sf-exg |
1.55 |
s = strdup (str ? str : ""); |
279 |
pcg |
1.5 |
|
280 |
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for (n = 1, t = s; *t; t++) |
281 |
sf-exg |
1.55 |
if (*t == delim) |
282 |
pcg |
1.5 |
n++; |
283 |
root |
1.25 |
|
284 |
pcg |
1.7 |
ret = (char **)malloc ((n + 1) * sizeof (char *)); |
285 |
pcg |
1.5 |
ret[n] = NULL; |
286 |
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|
287 |
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for (l = 0, t = s; l < n; l++) |
288 |
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{ |
289 |
sf-exg |
1.55 |
for (; *t && *t != delim; t++) |
290 |
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; |
291 |
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*t = '\0'; |
292 |
|
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ret[l] = s; |
293 |
ayin |
1.46 |
rxvt_strtrim (ret[l]); |
294 |
pcg |
1.5 |
s = ++t; |
295 |
pcg |
1.1 |
} |
296 |
root |
1.25 |
|
297 |
pcg |
1.5 |
return ret; |
298 |
pcg |
1.1 |
} |
299 |
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|
300 |
ayin |
1.50 |
void * |
301 |
|
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rxvt_malloc (size_t size) |
302 |
|
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{ |
303 |
|
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void *p = malloc (size); |
304 |
pcg |
1.1 |
|
305 |
ayin |
1.50 |
if (!p) |
306 |
|
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rxvt_fatal ("memory allocation failure. aborting.\n"); |
307 |
root |
1.28 |
|
308 |
ayin |
1.50 |
return p; |
309 |
|
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} |
310 |
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|
311 |
|
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void * |
312 |
|
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rxvt_calloc (size_t number, size_t size) |
313 |
|
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{ |
314 |
|
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void *p = calloc (number, size); |
315 |
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|
316 |
|
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if (!p) |
317 |
|
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rxvt_fatal ("memory allocation failure. aborting.\n"); |
318 |
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|
319 |
|
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return p; |
320 |
|
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} |
321 |
|
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|
322 |
|
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void * |
323 |
|
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rxvt_realloc (void *ptr, size_t size) |
324 |
|
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{ |
325 |
|
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void *p = realloc (ptr, size); |
326 |
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|
327 |
|
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if (!p) |
328 |
|
|
rxvt_fatal ("memory allocation failure. aborting.\n"); |
329 |
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|
330 |
|
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return p; |
331 |
|
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} |