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	multi.c - 9base - revived minimalist port of Plan 9 userland to Unix
	git clone git://git.suckless.org/9base
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	---
	multi.c (1844B)
	---
	1 #include "sam.h"
	2
	3 List file = { 'p' };
	4 ushort tag;
	5
	6 File *
	7 newfile(void)
	8 {
	9 File *f;
	10
	11 f = fileopen();
	12 inslist(&file, 0, f);
	13 f->tag = tag++;
	14 if(downloaded)
	15 outTs(Hnewname, f->tag);
	16 /* already sorted; file name is "" */
	17 return f;
	18 }
	19
	20 int
	21 whichmenu(File *f)
	22 {
	23 int i;
	24
	25 for(i=0; i<file.nused; i++)
	26 if(file.filepptr[i]==f)
	27 return i;
	28 return -1;
	29 }
	30
	31 void
	32 delfile(File *f)
	33 {
	34 int w = whichmenu(f);
	35
	36 if(w < 0) /* e.g. x/./D */
	37 return;
	38 if(downloaded)
	39 outTs(Hdelname, f->tag);
	40 dellist(&file, w);
	41 fileclose(f);
	42 }
	43
	44 void
	45 fullname(String *name)
	46 {
	47 if(name->n > 0 && name->s[0]!='/' && name->s[0]!=0)
	48 Strinsert(name, &curwd, (Posn)0);
	49 }
	50
	51 void
	52 fixname(String *name)
	53 {
	54 String *t;
	55 char *s;
	56
	57 fullname(name);
	58 s = Strtoc(name);
	59 if(strlen(s) > 0)
	60 s = cleanname(s);
	61 t = tmpcstr(s);
	62 Strduplstr(name, t);
	63 free(s);
	64 freetmpstr(t);
	65
	66 if(Strispre(&curwd, name))
	67 Strdelete(name, 0, curwd.n);
	68 }
	69
	70 void
	71 sortname(File *f)
	72 {
	73 int i, cmp, w;
	74 int dupwarned;
	75
	76 w = whichmenu(f);
	77 dupwarned = FALSE;
	78 dellist(&file, w);
	79 if(f == cmd)
	80 i = 0;
	81 else{
	82 for(i=0; i<file.nused; i++){
	83 cmp = Strcmp(&f->name, &file.filepptr[i]->name);
	84 if(cmp==0 && !dupwarned){
	85 dupwarned = TRUE;
	86 warn_S(Wdupname, &f->name);
	87 }else if(cmp<0 && (i>0 \|\| cmd==0))
	88 break;
	89 }
	90 }
	91 inslist(&file, i, f);
	92 if(downloaded)
	93 outTsS(Hmovname, f->tag, &f->name);
	94 }
	95
	96 void
	97 state(File *f, int cleandirty)
	98 {
	99 if(f == cmd)
	100 return;
	101 f->unread = FALSE;
	102 if(downloaded && whichmenu(f)>=0){ /* else flist or menu …
	103 if(f->mod && cleandirty!=Dirty)
	104 outTs(Hclean, f->tag);
	105 else if(!f->mod && cleandirty==Dirty)
	106 outTs(Hdirty, f->tag);
	107 }
	108 if(cleandirty == Clean)
	109 f->mod = FALSE;
	110 else
	111 f->mod = TRUE;
	112 }
	113
	114 File *
	115 lookfile(String *s)
	116 {
	117 int i;
	118
	119 for(i=0; i<file.nused; i++)
	120 if(Strcmp(&file.filepptr[i]->name, s) == 0)
	121 return file.filepptr[i];
	122 return 0;
	123 }