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#include <u.h>
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#include <libc.h>
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#include <bio.h>
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#include <ndb.h>
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#include <fcall.h>
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#include <thread.h>
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#include <9p.h>
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#include <ctype.h>
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#include "dat.h"
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#include "fns.h"
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void*
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erealloc(void *a, uint n)
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{
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	a = realloc(a, n);
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	if(a == nil)
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		sysfatal("realloc %d: out of memory", n);
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	setrealloctag(a, getcallerpc(&a));
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	return a;
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}
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void*
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emalloc(uint n)
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{
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	void *a;
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	a = mallocz(n, 1);
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	if(a == nil)
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		sysfatal("malloc %d: out of memory", n);
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	setmalloctag(a, getcallerpc(&n));
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	return a;
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}
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char*
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estrdup(char *s)
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{
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	s = strdup(s);
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	if(s == nil)
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		sysfatal("strdup: out of memory");
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	setmalloctag(s, getcallerpc(&s));
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	return s;
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}
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char*
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estredup(char *s, char *e)
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{
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	char *t;
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	t = emalloc(e-s+1);
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	memmove(t, s, e-s);
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	t[e-s] = '\0';
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	setmalloctag(t, getcallerpc(&s));
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	return t;
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}
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char*
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estrmanydup(char *s, ...)
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{
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	char *p, *t;
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	int len;
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	va_list arg;
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	len = strlen(s);
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	va_start(arg, s);
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	while((p = va_arg(arg, char*)) != nil)
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		len += strlen(p);
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	len++;
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	t = emalloc(len);
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	strcpy(t, s);
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	va_start(arg, s);
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	while((p = va_arg(arg, char*)) != nil)
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		strcat(t, p);
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	return t;
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}
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char*
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strlower(char *s)
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{
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	char *t;
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	for(t=s; *t; t++)
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		if('A' <= *t && *t <= 'Z')
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			*t += 'a'-'A';
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	return s;
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}