1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
#include <stdio.h>
char *format_magic(char *from,char *nick,char *fmt,char *arg);
int main(int argc,char *argv[]) {
char *o=format_magic("#default","epoch",argv[1],argv[2]);
printf("%s\n",o);
return 0;
}
char *format_magic(char *from,char *nick,char *fmt,char *arg) {
int i;
int j;
int c=1;
for(i=0;fmt[i];i++) {
if(fmt[i] == '%') {
i++;
switch(fmt[i]) {
case 0:
printf("error! last character is a '%'!!!\n");
exit(1);
case 'u':
case 'f':
case 's':
c++;
}
}
}
char **args=malloc((sizeof(char *)) * (c + 1));
c=0;
for(i=0;fmt[i];i++) {
if(fmt[i] == '%') {
i++;
switch(fmt[i]) {
case 0:
printf("error! last character is a '%'!!!\n");
exit(1);
case 'u':
args[c]=nick;
fmt[i]='s';
c++;
break;
case 'f':
args[c]=from;
fmt[i]='s';
c++;
break;
case 's':
args[c]=arg;
c++;
break;
}
}
}
// args[c]=0;
// for(i=0;i<c;i++) {
// printf("args[%d]=%s\n",i,args[i]);
// }
// printf("format string: %s\nc: %d\n",fmt,c);
int sz=vprintf(fmt,args)+1;
// printf("\nsize: %d\n",sz);
char *output=malloc(sz);
vsnprintf(output,sz,fmt,args);
return output;
}
|
