134 lines
1.8 KiB
C
134 lines
1.8 KiB
C
#include <u.h>
|
|
#include <libc.h>
|
|
#include <bio.h>
|
|
#include <String.h>
|
|
#include <ctype.h>
|
|
#include <thread.h>
|
|
#include "wiki.h"
|
|
|
|
void*
|
|
erealloc(void *v, ulong n)
|
|
{
|
|
v = realloc(v, n);
|
|
if(v == nil)
|
|
sysfatal("out of memory reallocating %lud", n);
|
|
setmalloctag(v, getcallerpc(&v));
|
|
return v;
|
|
}
|
|
|
|
void*
|
|
emalloc(ulong n)
|
|
{
|
|
void *v;
|
|
|
|
v = malloc(n);
|
|
if(v == nil)
|
|
sysfatal("out of memory allocating %lud", n);
|
|
memset(v, 0, n);
|
|
setmalloctag(v, getcallerpc(&n));
|
|
return v;
|
|
}
|
|
|
|
char*
|
|
estrdup(char *s)
|
|
{
|
|
int l;
|
|
char *t;
|
|
|
|
if (s == nil)
|
|
return nil;
|
|
l = strlen(s)+1;
|
|
t = emalloc(l);
|
|
memmove(t, s, l);
|
|
setmalloctag(t, getcallerpc(&s));
|
|
return t;
|
|
}
|
|
|
|
char*
|
|
estrdupn(char *s, int n)
|
|
{
|
|
int l;
|
|
char *t;
|
|
|
|
l = strlen(s);
|
|
if(l > n)
|
|
l = n;
|
|
t = emalloc(l+1);
|
|
memmove(t, s, l);
|
|
t[l] = '\0';
|
|
setmalloctag(t, getcallerpc(&s));
|
|
return t;
|
|
}
|
|
|
|
char*
|
|
strlower(char *s)
|
|
{
|
|
char *p;
|
|
|
|
for(p=s; *p; p++)
|
|
if('A' <= *p && *p <= 'Z')
|
|
*p += 'a'-'A';
|
|
return s;
|
|
}
|
|
|
|
String*
|
|
s_appendsub(String *s, char *p, int n, Sub *sub, int nsub)
|
|
{
|
|
int i, m;
|
|
char *q, *r, *ep;
|
|
|
|
ep = p+n;
|
|
while(p<ep){
|
|
q = ep;
|
|
m = -1;
|
|
for(i=0; i<nsub; i++){
|
|
if(sub[i].sub && (r = strstr(p, sub[i].match)) && r < q){
|
|
q = r;
|
|
m = i;
|
|
}
|
|
}
|
|
s = s_nappend(s, p, q-p);
|
|
p = q;
|
|
if(m >= 0){
|
|
s = s_append(s, sub[m].sub);
|
|
p += strlen(sub[m].match);
|
|
}
|
|
}
|
|
return s;
|
|
}
|
|
|
|
String*
|
|
s_appendlist(String *s, ...)
|
|
{
|
|
char *x;
|
|
va_list arg;
|
|
|
|
va_start(arg, s);
|
|
while(x = va_arg(arg, char*))
|
|
s = s_append(s, x);
|
|
va_end(arg);
|
|
return s;
|
|
}
|
|
|
|
int
|
|
opentemp(char *template)
|
|
{
|
|
int fd, i;
|
|
char *p;
|
|
|
|
p = estrdup(template);
|
|
fd = -1;
|
|
for(i=0; i<10; i++){
|
|
mktemp(p);
|
|
if(access(p, 0) < 0 && (fd=create(p, ORDWR|ORCLOSE, 0444)) >= 0)
|
|
break;
|
|
strcpy(p, template);
|
|
}
|
|
if(fd >= 0)
|
|
strcpy(template, p);
|
|
free(p);
|
|
|
|
return fd;
|
|
}
|
|
|