shithub: rtmp

ref: 02a850608753ed9c743dfd6992ad56e4c4ea3d53
dir: /util.c/

#include <u.h>
#include <libc.h>
#include "util.h"

void *
emalloc(usize sz)
{
	void *p;

	assert((p = malloc(sz)) != nil);
	setmalloctag(p, getcallerpc(&sz));

	return p;
}

void *
ecalloc(ulong nel, usize elsz)
{
	void *p;

	assert((p = calloc(nel, elsz)) != nil);
	setmalloctag(p, getcallerpc(&nel));

	return p;
}

void *
erealloc(void *p, usize sz)
{
	void *np;

	np = realloc(p, sz);
	assert((sz == 0 && np == nil) || np != nil);
	if(np != nil)
		setrealloctag(np, getcallerpc(&p));

	return np;
}

char *
estrndup(void *d, int n)
{
	char *s;

	s = emalloc(n+1);
	memmove(s, d, n);
	s[n] = 0;

	return s;
}

char *
estrdup(char *s)
{
	char *ns;

	ns = strdup(s);
	assert(ns != nil);
	setmalloctag(ns, getcallerpc(&s));

	return ns;
}