Pci hotplug GPE support
[qemu-kvm/fedora.git] / cutils.c
blob608c31a5ff240ee6bb132fb9b3e670d2c7c9f239
1 /*
2 * Simple C functions to supplement the C library
4 * Copyright (c) 2006 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
24 #include "qemu-common.h"
26 void pstrcpy(char *buf, int buf_size, const char *str)
28 int c;
29 char *q = buf;
31 if (buf_size <= 0)
32 return;
34 for(;;) {
35 c = *str++;
36 if (c == 0 || q >= buf + buf_size - 1)
37 break;
38 *q++ = c;
40 *q = '\0';
43 /* strcat and truncate. */
44 char *pstrcat(char *buf, int buf_size, const char *s)
46 int len;
47 len = strlen(buf);
48 if (len < buf_size)
49 pstrcpy(buf + len, buf_size - len, s);
50 return buf;
53 int strstart(const char *str, const char *val, const char **ptr)
55 const char *p, *q;
56 p = str;
57 q = val;
58 while (*q != '\0') {
59 if (*p != *q)
60 return 0;
61 p++;
62 q++;
64 if (ptr)
65 *ptr = p;
66 return 1;
69 int stristart(const char *str, const char *val, const char **ptr)
71 const char *p, *q;
72 p = str;
73 q = val;
74 while (*q != '\0') {
75 if (toupper(*p) != toupper(*q))
76 return 0;
77 p++;
78 q++;
80 if (ptr)
81 *ptr = p;
82 return 1;
85 time_t mktimegm(struct tm *tm)
87 time_t t;
88 int y = tm->tm_year + 1900, m = tm->tm_mon + 1, d = tm->tm_mday;
89 if (m < 3) {
90 m += 12;
91 y--;
93 t = 86400 * (d + (153 * m - 457) / 5 + 365 * y + y / 4 - y / 100 +
94 y / 400 - 719469);
95 t += 3600 * tm->tm_hour + 60 * tm->tm_min + tm->tm_sec;
96 return t;
99 int hex2bin(char ch)
101 if (ch >= '0' && ch <= '9')
102 return ch - '0';
103 else if (ch >= 'A' && ch <= 'Z')
104 return 10 + ch - 'A';
105 else if (ch >= 'a' && ch <= 'z')
106 return 10 + ch - 'a';
108 return -1;
111 char *urldecode(const char *ptr)
113 char *ret;
114 int i;
116 ret = qemu_mallocz(strlen(ptr) + 1);
117 if (ret == NULL)
118 return NULL;
120 for (i = 0; *ptr; ptr++, i++) {
121 switch (*ptr) {
122 case '%':
123 if (ptr[1] == 0 || ptr[2] == 0)
124 break;
125 ret[i] = hex2bin(ptr[1]) << 4 | hex2bin(ptr[2]);
126 ptr += 2;
127 break;
128 default:
129 ret[i] = *ptr;
130 break;
133 ret[i] = 0;
135 return ret;