Subversion Repositories planix.SVN

Rev

Rev 2 | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
2 - 1 
#include <u.h>
2 
#include <libc.h>
3 
#include <bio.h>
4 
#include <thread.h>
5 
#include <plumb.h>
6 
#include "dat.h"
7 
 
8 
void*
9 
emalloc(uint n)
10 
{
11 
	void *p;
12 
 
13 
	p = malloc(n);
14 
	if(p == nil)
15 
		error("can't malloc: %r");
16 
	memset(p, 0, n);
17 
	setmalloctag(p, getcallerpc(&n));
18 
	return p;
19 
}
20 
 
21 
void*
22 
erealloc(void *p, uint n)
23 
{
24 
	p = realloc(p, n);
25 
	if(p == nil)
26 
		error("can't realloc: %r");
27 
	setmalloctag(p, getcallerpc(&n));
28 
	return p;
29 
}
30 
 
31 
char*
32 
estrdup(char *s)
33 
{
34 
	char *t;
35 
 
36 
	t = emalloc(strlen(s)+1);
37 
	strcpy(t, s);
38 
	return t;
39 
}
40 
 
41 
char*
42 
estrstrdup(char *s, char *t)
43 
{
44 
	char *u;
45 
 
46 
	u = emalloc(strlen(s)+strlen(t)+1);
47 
	strcpy(u, s);
48 
	strcat(u, t);
49 
	return u;
50 
}
51 
 
52 
char*
53 
eappend(char *s, char *sep, char *t)
54 
{
55 
	char *u;
56 
 
57 
	if(t == nil)
58 
		u = estrstrdup(s, sep);
59 
	else{
60 
		u = emalloc(strlen(s)+strlen(sep)+strlen(t)+1);
61 
		strcpy(u, s);
62 
		strcat(u, sep);
63 
		strcat(u, t);
64 
	}
65 
	free(s);
66 
	return u;
67 
}
68 
 
69 
char*
70 
egrow(char *s, char *sep, char *t)
71 
{
72 
	s = eappend(s, sep, t);
73 
	free(t);
74 
	return s;
75 
}
76 
 
77 
void
78 
error(char *fmt, ...)
79 
{
80 
	Fmt f;
81 
	char buf[64];
82 
	va_list arg;
83 
 
84 
	fmtfdinit(&f, 2, buf, sizeof buf);
85 
	fmtprint(&f, "Mail: ");
86 
	va_start(arg, fmt);
87 
	fmtvprint(&f, fmt, arg);
88 
	va_end(arg);
89 
	fmtprint(&f, "\n");
90 
	fmtfdflush(&f);
91 
	threadexitsall(fmt);
92 
}
93 
 
94 
void
95 
ctlprint(int fd, char *fmt, ...)
96 
{
97 
	int n;
98 
	va_list arg;
99 
 
100 
	va_start(arg, fmt);
101 
	n = vfprint(fd, fmt, arg);
102 
	va_end(arg);
103 
	if(n <= 0)
104 
		error("control file write error: %r");
105 
}