Subversion Repositories planix.SVN

#include <u.h>
#include <libc.h>
#include <bio.h>
#include <ndb.h>
#include <fcall.h>
#include <thread.h>
#include <9p.h>
#include <ctype.h>
#include "dat.h"
#include "fns.h"

void*
erealloc(void *a, uint n)
{
        a = realloc(a, n);
        if(a == nil)
                sysfatal("realloc %d: out of memory", n);
        setrealloctag(a, getcallerpc(&a));
        return a;
}

void*
emalloc(uint n)
{
        void *a;

        a = mallocz(n, 1);
        if(a == nil)
                sysfatal("malloc %d: out of memory", n);
        setmalloctag(a, getcallerpc(&n));
        return a;
}

char*
estrdup(char *s)
{
        s = strdup(s);
        if(s == nil)
                sysfatal("strdup: out of memory");
        setmalloctag(s, getcallerpc(&s));
        return s;
}

char*
estredup(char *s, char *e)
{
        char *t;

        t = emalloc(e-s+1);
        memmove(t, s, e-s);
        t[e-s] = '\0';
        setmalloctag(t, getcallerpc(&s));
        return t;
}

char*
estrmanydup(char *s, ...)
{
        char *p, *t;
        int len;
        va_list arg;

        len = strlen(s);
        va_start(arg, s);
        while((p = va_arg(arg, char*)) != nil)
                len += strlen(p);
        len++;

        t = emalloc(len);
        strcpy(t, s);
        va_start(arg, s);
        while((p = va_arg(arg, char*)) != nil)
                strcat(t, p);
        return t;
}

char*
strlower(char *s)
{
        char *t;

        for(t=s; *t; t++)
                if('A' <= *t && *t <= 'Z')
                        *t += 'a'-'A';
        return s;
}