GopherProxy

	util.c - 9base - revived minimalist port of Plan 9 userland to Unix
	git clone git://git.suckless.org/9base
	Log
	Files
	Refs
	README
	LICENSE
	---
	util.c (766B)
	---
	1 #include "sam.h"
	2
	3 void
	4 cvttorunes(char p, int n, Rune r, int nb, int nr, int *nulls)
	5 {
	6 uchar *q;
	7 Rune *s;
	8 int j, w;
	9
	10 /*
	11 * Always guaranteed that n bytes may be interpreted
	12 * without worrying about partial runes. This may mean
	13 * reading up to UTFmax-1 more bytes than n; the caller
	14 * knows this. If n is a firm limit, the caller should
	15 * set p[n] = 0.
	16 */
	17 q = (uchar*)p;
	18 s = r;
	19 for(j=0; j<n; j+=w){
	20 if(*q < Runeself){
	21 w = 1;
	22 s = q++;
	23 }else{
	24 w = chartorune(s, (char*)q);
	25 q += w;
	26 }
	27 if(*s)
	28 s++;
	29 else if(nulls)
	30 *nulls = TRUE;
	31 }
	32 nb = (char)q-p;
	33 *nr = s-r;
	34 }
	35
	36 void*
	37 fbufalloc(void)
	38 {
	39 return emalloc(BUFSIZE);
	40 }
	41
	42 void
	43 fbuffree(void *f)
	44 {
	45 free(f);
	46 }
	47
	48 uint
	49 min(uint a, uint b)
	50 {
	51 if(a < b)
	52 return a;
	53 return b;
	54 }