Subversion Repositories planix.SVN

#include "sam.h"

void
cvttorunes(char *p, int n, Rune *r, int *nb, int *nr, int *nulls)
{
        uchar *q;
        Rune *s;
        int j, w;

        /*
         * Always guaranteed that n bytes may be interpreted
         * without worrying about partial runes.  This may mean
         * reading up to UTFmax-1 more bytes than n; the caller
         * knows this.  If n is a firm limit, the caller should
         * set p[n] = 0.
         */
        q = (uchar*)p;
        s = r;
        for(j=0; j<n; j+=w){
                if(*q < Runeself){
                        w = 1;
                        *s = *q++;
                }else{
                        w = chartorune(s, (char*)q);
                        q += w;
                }
                if(*s)
                        s++;
                else if(nulls)
                        *nulls = TRUE;
        }
        *nb = (char*)q-p;
        *nr = s-r;
}

void*
fbufalloc(void)
{
        return emalloc(BUFSIZE);
}

void
fbuffree(void *f)
{
        free(f);
}

uint
min(uint a, uint b)
{
        if(a < b)
                return a;
        return b;
}