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