1 #include "a.h"
2 
3 void*
4 emalloc(int n)
5 {
6 	void *v;
7 	
8 	v = mallocz(n, 1);
9 	if(v == nil)
10 		sysfatal("out of memory");
11 	return v;
12 }
13 
14 void*
15 erealloc(void *v, int n)
16 {
17 	v = realloc(v, n);
18 	if(v == nil)
19 		sysfatal("out of memory");
20 	return v;
21 }
22 
23 char*
24 estrdup(char *s)
25 {
26 	s = strdup(s);
27 	if(s == nil)
28 		sysfatal("out of memory");
29 	return s;
30 }
31 
32 int
33 timefmt(Fmt *f)
34 {
35 	Tm tm;
36 	vlong ms;
37 	
38 	ms = nsec()/1000000;
39 	
40 	tm = *localtime(ms/1000);
41 	fmtprint(f, "%02d:%02d:%02d.%03d",
42 		tm.hour, tm.min, tm.sec,
43 		(int)(ms%1000));
44 	return 0;
45 }
46 
47 int
48 writen(int fd, void *buf, int n)
49 {
50 	long m, tot;
51 
52 	for(tot=0; tot<n; tot+=m){
53 		m = n - tot;
54 		if(m > 8192)
55 			m = 8192;
56 		if(write(fd, (uchar*)buf+tot, m) != m)
57 			break;
58 	}
59 	return tot;
60 }
61 
62 int
63 urlencodefmt(Fmt *fmt)
64 {
65 	int x;
66 	char *s;
67 	
68 	s = va_arg(fmt->args, char*);
69 	for(; *s; s++){
70 		x = (uchar)*s;
71 		if(x == ' ')
72 			fmtrune(fmt, '+');
73 		else if(('a' <= x && x <= 'z') || ('A' <= x && x <= 'Z') || ('0' <= x && x <= '9')
74 			|| strchr("$-_.+!*'()", x)){
75 			fmtrune(fmt, x);
76 		}else
77 			fmtprint(fmt, "%%%02ux", x);
78 	}
79 	return 0;
80 }
81