1 |
root |
1.40 |
/*----------------------------------------------------------------------* |
2 |
pcg |
1.13 |
* File: misc.C |
3 |
pcg |
1.1 |
*----------------------------------------------------------------------* |
4 |
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* |
5 |
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* All portions of code are copyright by their respective author/s. |
6 |
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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> |
8 |
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* Copyright (c) 1998-2000 Geoff Wing <gcw@pobox.com> |
9 |
root |
1.56 |
* Copyright (c) 2003-2006 Marc Lehmann <schmorp@schmorp.de> |
10 |
pcg |
1.1 |
* |
11 |
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* This program is free software; you can redistribute it and/or modify |
12 |
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* it under the terms of the GNU General Public License as published by |
13 |
root |
1.57 |
* the Free Software Foundation; either version 3 of the License, or |
14 |
pcg |
1.1 |
* (at your option) any later version. |
15 |
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* |
16 |
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* This program is distributed in the hope that it will be useful, |
17 |
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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 |
19 |
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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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29 |
sf-exg |
1.59 |
#include <new> |
30 |
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31 |
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// alas new/delete cannot be specified as inline in C++11 (see 17.6.4.6) |
32 |
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void * |
33 |
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operator new (size_t s) |
34 |
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#if !ECB_CPP11 |
35 |
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throw (std::bad_alloc) |
36 |
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#endif |
37 |
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{ |
38 |
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return rxvt_malloc (s); |
39 |
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} |
40 |
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41 |
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void |
42 |
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operator delete (void *p) |
43 |
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#if ECB_CPP11 |
44 |
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noexcept |
45 |
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#else |
46 |
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throw () |
47 |
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#endif |
48 |
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{ |
49 |
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free (p); |
50 |
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} |
51 |
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52 |
pcg |
1.3 |
char * |
53 |
pcg |
1.10 |
rxvt_wcstombs (const wchar_t *str, int len) |
54 |
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{ |
55 |
root |
1.19 |
if (len < 0) len = wcslen (str); |
56 |
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|
57 |
pcg |
1.10 |
mbstate mbs; |
58 |
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char *r = (char *)rxvt_malloc (len * MB_CUR_MAX + 1); |
59 |
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60 |
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char *dst = r; |
61 |
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while (len--) |
62 |
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{ |
63 |
root |
1.24 |
ssize_t l = wcrtomb (dst, *str++, mbs); |
64 |
root |
1.31 |
|
65 |
pcg |
1.10 |
if (l < 0) |
66 |
root |
1.52 |
{ |
67 |
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*dst++ = '?'; |
68 |
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wcrtomb (0, 0, mbs); // reset undefined state |
69 |
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} |
70 |
pcg |
1.10 |
else |
71 |
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dst += l; |
72 |
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} |
73 |
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74 |
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*dst++ = 0; |
75 |
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|
76 |
root |
1.24 |
return (char *)rxvt_realloc (r, dst - r); |
77 |
pcg |
1.10 |
} |
78 |
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|
79 |
root |
1.19 |
wchar_t * |
80 |
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rxvt_mbstowcs (const char *str, int len) |
81 |
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{ |
82 |
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if (len < 0) len = strlen (str); |
83 |
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84 |
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wchar_t *r = (wchar_t *)rxvt_malloc ((len + 1) * sizeof (wchar_t)); |
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|
86 |
root |
1.24 |
if ((ssize_t)mbstowcs (r, str, len + 1) < 0) |
87 |
root |
1.19 |
*r = 0; |
88 |
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89 |
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return r; |
90 |
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} |
91 |
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92 |
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char * |
93 |
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rxvt_wcstoutf8 (const wchar_t *str, int len) |
94 |
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{ |
95 |
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if (len < 0) len = wcslen (str); |
96 |
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97 |
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char *r = (char *)rxvt_malloc (len * 4 + 1); |
98 |
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char *p = r; |
99 |
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100 |
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while (len--) |
101 |
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{ |
102 |
root |
1.22 |
unicode_t w = *str++ & UNICODE_MASK; |
103 |
root |
1.19 |
|
104 |
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if (w < 0x000080) |
105 |
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*p++ = w; |
106 |
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else if (w < 0x000800) |
107 |
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*p++ = 0xc0 | ( w >> 6), |
108 |
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*p++ = 0x80 | ( w & 0x3f); |
109 |
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else if (w < 0x010000) |
110 |
ayin |
1.48 |
*p++ = 0xe0 | ( w >> 12), |
111 |
root |
1.19 |
*p++ = 0x80 | ((w >> 6) & 0x3f), |
112 |
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*p++ = 0x80 | ( w & 0x3f); |
113 |
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else if (w < 0x110000) |
114 |
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*p++ = 0xf0 | ( w >> 18), |
115 |
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*p++ = 0x80 | ((w >> 12) & 0x3f), |
116 |
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*p++ = 0x80 | ((w >> 6) & 0x3f), |
117 |
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*p++ = 0x80 | ( w & 0x3f); |
118 |
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else |
119 |
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*p++ = '?'; |
120 |
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} |
121 |
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122 |
root |
1.24 |
*p++ = 0; |
123 |
root |
1.19 |
|
124 |
root |
1.24 |
return (char *)rxvt_realloc (r, p - r); |
125 |
root |
1.19 |
} |
126 |
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127 |
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wchar_t * |
128 |
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rxvt_utf8towcs (const char *str, int len) |
129 |
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{ |
130 |
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if (len < 0) len = strlen (str); |
131 |
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132 |
root |
1.21 |
wchar_t *r = (wchar_t *)rxvt_malloc ((len + 1) * sizeof (wchar_t)), |
133 |
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*p = r; |
134 |
root |
1.19 |
|
135 |
root |
1.21 |
unsigned char *s = (unsigned char *)str, |
136 |
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*e = s + len; |
137 |
root |
1.19 |
|
138 |
root |
1.21 |
for (;;) |
139 |
root |
1.19 |
{ |
140 |
root |
1.21 |
len = e - s; |
141 |
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142 |
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if (len == 0) |
143 |
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break; |
144 |
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else if (s[0] < 0x80) |
145 |
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*p++ = *s++; |
146 |
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else if (len >= 2 |
147 |
ayin |
1.49 |
&& s[0] >= 0xc2 && s[0] <= 0xdf |
148 |
root |
1.19 |
&& (s[1] & 0xc0) == 0x80) |
149 |
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{ |
150 |
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*p++ = ((s[0] & 0x1f) << 6) |
151 |
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| (s[1] & 0x3f); |
152 |
root |
1.21 |
s += 2; |
153 |
root |
1.19 |
} |
154 |
root |
1.21 |
else if (len >= 3 |
155 |
root |
1.19 |
&& ( (s[0] == 0xe0 && s[1] >= 0xa0 && s[1] <= 0xbf) |
156 |
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|| (s[0] >= 0xe1 && s[0] <= 0xec && s[1] >= 0x80 && s[1] <= 0xbf) |
157 |
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|| (s[0] == 0xed && s[1] >= 0x80 && s[1] <= 0x9f) |
158 |
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|| (s[0] >= 0xee && s[0] <= 0xef && s[1] >= 0x80 && s[1] <= 0xbf) |
159 |
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) |
160 |
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&& (s[2] & 0xc0) == 0x80) |
161 |
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{ |
162 |
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*p++ = ((s[0] & 0x0f) << 12) |
163 |
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| ((s[1] & 0x3f) << 6) |
164 |
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| (s[2] & 0x3f); |
165 |
root |
1.21 |
s += 3; |
166 |
root |
1.19 |
} |
167 |
root |
1.21 |
else if (len >= 4 |
168 |
root |
1.19 |
&& ( (s[0] == 0xf0 && s[1] >= 0x90 && s[1] <= 0xbf) |
169 |
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|| (s[0] >= 0xf1 && s[0] <= 0xf3 && s[1] >= 0x80 && s[1] <= 0xbf) |
170 |
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|| (s[0] == 0xf4 && s[1] >= 0x80 && s[1] <= 0x8f) |
171 |
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) |
172 |
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&& (s[2] & 0xc0) == 0x80 |
173 |
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&& (s[3] & 0xc0) == 0x80) |
174 |
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{ |
175 |
ayin |
1.49 |
*p++ = ((s[0] & 0x07) << 18) |
176 |
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| ((s[1] & 0x3f) << 12) |
177 |
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| ((s[2] & 0x3f) << 6) |
178 |
root |
1.19 |
| (s[3] & 0x3f); |
179 |
root |
1.21 |
s += 4; |
180 |
root |
1.19 |
} |
181 |
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else |
182 |
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{ |
183 |
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*p++ = 0xfffd; |
184 |
root |
1.21 |
s++; |
185 |
root |
1.19 |
} |
186 |
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} |
187 |
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188 |
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*p = 0; |
189 |
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190 |
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return r; |
191 |
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} |
192 |
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193 |
root |
1.53 |
const char * |
194 |
ayin |
1.46 |
rxvt_basename (const char *str) NOTHROW |
195 |
pcg |
1.1 |
{ |
196 |
root |
1.54 |
const char *base = strrchr (str, '/'); |
197 |
pcg |
1.1 |
|
198 |
root |
1.54 |
return base ? base + 1 : str; |
199 |
pcg |
1.1 |
} |
200 |
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201 |
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/* |
202 |
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* Print an error message |
203 |
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*/ |
204 |
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void |
205 |
root |
1.36 |
rxvt_vlog (const char *fmt, va_list arg_ptr) NOTHROW |
206 |
pcg |
1.12 |
{ |
207 |
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char msg[1024]; |
208 |
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209 |
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vsnprintf (msg, sizeof msg, fmt, arg_ptr); |
210 |
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211 |
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if (GET_R && GET_R->log_hook) |
212 |
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(*GET_R->log_hook) (msg); |
213 |
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else |
214 |
|
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write (STDOUT_FILENO, msg, strlen (msg)); |
215 |
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} |
216 |
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217 |
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void |
218 |
root |
1.36 |
rxvt_log (const char *fmt,...) NOTHROW |
219 |
pcg |
1.1 |
{ |
220 |
pcg |
1.8 |
va_list arg_ptr; |
221 |
pcg |
1.1 |
|
222 |
pcg |
1.7 |
va_start (arg_ptr, fmt); |
223 |
pcg |
1.12 |
rxvt_vlog (fmt, arg_ptr); |
224 |
pcg |
1.7 |
va_end (arg_ptr); |
225 |
pcg |
1.1 |
} |
226 |
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|
227 |
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/* |
228 |
pcg |
1.12 |
* Print an error message |
229 |
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*/ |
230 |
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void |
231 |
root |
1.36 |
rxvt_warn (const char *fmt,...) NOTHROW |
232 |
pcg |
1.12 |
{ |
233 |
|
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va_list arg_ptr; |
234 |
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|
235 |
|
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rxvt_log ("%s: ", RESNAME); |
236 |
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237 |
|
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va_start (arg_ptr, fmt); |
238 |
|
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rxvt_vlog (fmt, arg_ptr); |
239 |
|
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va_end (arg_ptr); |
240 |
|
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} |
241 |
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|
242 |
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void |
243 |
root |
1.36 |
rxvt_fatal (const char *fmt,...) THROW ((class rxvt_failure_exception)) |
244 |
pcg |
1.12 |
{ |
245 |
|
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va_list arg_ptr; |
246 |
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|
247 |
|
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rxvt_log ("%s: ", RESNAME); |
248 |
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|
249 |
|
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va_start (arg_ptr, fmt); |
250 |
|
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rxvt_vlog (fmt, arg_ptr); |
251 |
|
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va_end (arg_ptr); |
252 |
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|
253 |
|
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rxvt_exit_failure (); |
254 |
|
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} |
255 |
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|
256 |
|
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void |
257 |
root |
1.36 |
rxvt_exit_failure () THROW ((class rxvt_failure_exception)) |
258 |
pcg |
1.12 |
{ |
259 |
root |
1.36 |
static class rxvt_failure_exception rxvt_failure_exception; |
260 |
pcg |
1.12 |
throw (rxvt_failure_exception); |
261 |
|
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} |
262 |
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|
263 |
|
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/* |
264 |
ayin |
1.44 |
* remove leading/trailing space in place. |
265 |
pcg |
1.1 |
*/ |
266 |
ayin |
1.47 |
char * |
267 |
ayin |
1.46 |
rxvt_strtrim (char *str) NOTHROW |
268 |
pcg |
1.1 |
{ |
269 |
pcg |
1.8 |
char *r, *s; |
270 |
pcg |
1.1 |
|
271 |
pcg |
1.5 |
if (!str || !*str) /* shortcut */ |
272 |
|
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return str; |
273 |
pcg |
1.1 |
|
274 |
pcg |
1.5 |
/* skip leading spaces */ |
275 |
pcg |
1.7 |
for (s = str; *s && isspace (*s); s++) ; |
276 |
root |
1.25 |
|
277 |
pcg |
1.5 |
/* goto end of string */ |
278 |
root |
1.25 |
r = s + strlen (s) - 1; |
279 |
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|
280 |
|
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/* dump return and other trailing whitespace */ |
281 |
|
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while (r > s && isspace (*r)) |
282 |
|
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r--; |
283 |
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|
284 |
|
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memmove (str, s, r + 1 - s); |
285 |
|
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str[r + 1 - s] = 0; |
286 |
pcg |
1.1 |
|
287 |
pcg |
1.5 |
return str; |
288 |
pcg |
1.1 |
} |
289 |
|
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|
290 |
|
|
/* |
291 |
sf-exg |
1.55 |
* Split a string into an array based on the given delimiter, stripping leading and |
292 |
root |
1.25 |
* trailing spaces from each entry. Empty strings are properly returned |
293 |
pcg |
1.1 |
*/ |
294 |
ayin |
1.47 |
char ** |
295 |
sf-exg |
1.55 |
rxvt_strsplit (char delim, const char *str) NOTHROW |
296 |
pcg |
1.1 |
{ |
297 |
sf-exg |
1.55 |
int l, n; |
298 |
|
|
char *s, *t; |
299 |
|
|
char **ret; |
300 |
pcg |
1.5 |
|
301 |
sf-exg |
1.55 |
s = strdup (str ? str : ""); |
302 |
pcg |
1.5 |
|
303 |
|
|
for (n = 1, t = s; *t; t++) |
304 |
sf-exg |
1.55 |
if (*t == delim) |
305 |
pcg |
1.5 |
n++; |
306 |
root |
1.25 |
|
307 |
pcg |
1.7 |
ret = (char **)malloc ((n + 1) * sizeof (char *)); |
308 |
pcg |
1.5 |
ret[n] = NULL; |
309 |
|
|
|
310 |
|
|
for (l = 0, t = s; l < n; l++) |
311 |
|
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{ |
312 |
sf-exg |
1.55 |
for (; *t && *t != delim; t++) |
313 |
|
|
; |
314 |
|
|
*t = '\0'; |
315 |
|
|
ret[l] = s; |
316 |
ayin |
1.46 |
rxvt_strtrim (ret[l]); |
317 |
pcg |
1.5 |
s = ++t; |
318 |
pcg |
1.1 |
} |
319 |
root |
1.25 |
|
320 |
pcg |
1.5 |
return ret; |
321 |
pcg |
1.1 |
} |
322 |
|
|
|
323 |
ayin |
1.50 |
void * |
324 |
|
|
rxvt_malloc (size_t size) |
325 |
|
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{ |
326 |
|
|
void *p = malloc (size); |
327 |
pcg |
1.1 |
|
328 |
ayin |
1.50 |
if (!p) |
329 |
|
|
rxvt_fatal ("memory allocation failure. aborting.\n"); |
330 |
root |
1.28 |
|
331 |
ayin |
1.50 |
return p; |
332 |
|
|
} |
333 |
|
|
|
334 |
|
|
void * |
335 |
|
|
rxvt_calloc (size_t number, size_t size) |
336 |
|
|
{ |
337 |
|
|
void *p = calloc (number, size); |
338 |
|
|
|
339 |
|
|
if (!p) |
340 |
|
|
rxvt_fatal ("memory allocation failure. aborting.\n"); |
341 |
|
|
|
342 |
|
|
return p; |
343 |
|
|
} |
344 |
|
|
|
345 |
|
|
void * |
346 |
|
|
rxvt_realloc (void *ptr, size_t size) |
347 |
|
|
{ |
348 |
|
|
void *p = realloc (ptr, size); |
349 |
|
|
|
350 |
|
|
if (!p) |
351 |
|
|
rxvt_fatal ("memory allocation failure. aborting.\n"); |
352 |
|
|
|
353 |
|
|
return p; |
354 |
|
|
} |
355 |
sf-exg |
1.58 |
|
356 |
|
|
KeySym |
357 |
|
|
rxvt_XKeycodeToKeysym (Display *dpy, KeyCode code, int index) |
358 |
|
|
{ |
359 |
|
|
int size; |
360 |
|
|
KeySym *mapping = XGetKeyboardMapping (dpy, code, 1, &size); |
361 |
|
|
KeySym keysym = IN_RANGE_EXC (index, 0, size) ? mapping[index] : NoSymbol; |
362 |
|
|
XFree (mapping); |
363 |
|
|
return keysym; |
364 |
|
|
} |