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#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;
}
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