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1 | #include <stdio.h> | |
2 | #include <stdlib.h> | |
3 | #include <stdarg.h> | |
4 | #include <string.h> | |
5 | #include <time.h> | |
6 | #include "../lib/sstring.h" | |
7 | #include "../lib/stringbuf.h" | |
8 | #include "../lib/ccassert.h" | |
9 | #include "../core/error.h" | |
10 | #include "chanserv_messages.h" | |
11 | ||
12 | #define MAXARGS 10 | |
13 | #define CONVBUF 512 | |
14 | ||
15 | void q9strftime(char *buf, size_t size, time_t t) { | |
16 | strftime(buf, size, Q9_FORMAT_TIME, gmtime(&t)); | |
17 | } | |
18 | ||
19 | void q9vsnprintf(char *buf, size_t size, const char *format, const char *args, va_list ap) { | |
20 | StringBuf b; | |
21 | const char *p; | |
22 | char *c; | |
23 | ||
24 | char convbuf[MAXARGS][CONVBUF]; | |
25 | ||
26 | CCASSERT(CONVBUF > TIMELEN); | |
27 | ||
28 | if(size == 0) | |
29 | return; | |
30 | ||
31 | { | |
32 | int argno = 0, i; | |
33 | ||
34 | int d; | |
35 | char *s; | |
36 | double g; | |
37 | unsigned int u; | |
38 | time_t t; | |
39 | ||
40 | for(i=0;i<MAXARGS;i++) | |
41 | convbuf[i][0] = '\0'; | |
42 | ||
43 | for(;*args;args++) { | |
44 | char *cb = convbuf[argno++]; | |
45 | ||
46 | switch(*args) { | |
47 | case 's': | |
48 | s = va_arg(ap, char *); | |
49 | snprintf(cb, CONVBUF, "%s", s); | |
50 | break; | |
51 | case 'd': | |
52 | d = va_arg(ap, int); | |
53 | snprintf(cb, CONVBUF, "%d", d); | |
54 | break; | |
55 | case 'u': | |
56 | u = va_arg(ap, unsigned int); | |
57 | snprintf(cb, CONVBUF, "%u", u); | |
58 | break; | |
59 | case 'g': | |
60 | g = va_arg(ap, double); | |
61 | snprintf(cb, CONVBUF, "%.1f", g); | |
62 | break; | |
63 | case 'T': | |
64 | t = va_arg(ap, time_t); | |
65 | q9strftime(cb, CONVBUF, t); | |
66 | break; | |
67 | default: | |
68 | /* calls exit(0) */ | |
69 | Error("chanserv", ERR_STOP, "Bad format specifier '%c' supplied in q9vsnprintf, format: '%s'", *args, format); | |
70 | } | |
71 | } | |
72 | } | |
73 | ||
74 | sbinit(&b, buf, size); | |
75 | ||
76 | for(p=format;*p;p++) { | |
77 | if(*p != '$') { | |
78 | if(!sbaddchar(&b, *p)) | |
79 | break; | |
80 | continue; | |
81 | } | |
82 | p++; | |
83 | if(*p == '\0') | |
84 | break; | |
85 | if(*p == '$') { | |
86 | if(!sbaddchar(&b, *p)) | |
87 | break; | |
88 | continue; | |
89 | } | |
90 | ||
91 | c = NULL; | |
92 | switch(*p) { | |
93 | /* | |
94 | case 'C': | |
95 | c = botname; break; | |
96 | case 'N': | |
97 | c = network; break; | |
98 | */ | |
99 | case '0': | |
100 | case '1': | |
101 | case '2': | |
102 | case '3': | |
103 | case '4': | |
104 | case '5': | |
105 | case '6': | |
106 | case '7': | |
107 | case '8': | |
108 | case '9': | |
109 | c = convbuf[*p - '0']; break; | |
110 | default: | |
111 | c = "(bad format specifier)"; | |
112 | } | |
113 | if(c) | |
114 | if(!sbaddstr(&b, c)) | |
115 | break; | |
116 | } | |
117 | ||
118 | sbterminate(&b); | |
119 | ||
120 | /* not required */ | |
121 | /* | |
122 | buf[size-1] = '\0'; | |
123 | */ | |
124 | } | |
125 | ||
126 | void q9snprintf(char *buf, size_t size, const char *format, const char *args, ...) { | |
127 | va_list ap; | |
128 | ||
129 | va_start(ap, args); | |
130 | q9vsnprintf(buf, size, format, args, ap); | |
131 | va_end(ap); | |
132 | } |