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ls: add -f and -S options

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This commit is contained in:
Quentin Rameau
2015-03-18 19:26:42 +01:00
committed by sin
parent 787d99d896
commit 9fdef90feb
3 changed files with 36 additions and 8 deletions
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26
ls.c
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@@ -29,6 +29,7 @@ static int aflag = 0;
static int cflag = 0;
static int dflag = 0;
static int Fflag = 0;
static int fflag = 0;
static int Hflag = 0;
static int hflag = 0;
static int iflag = 0;
@@ -38,6 +39,7 @@ static int nflag = 0;
static int pflag = 0;
static int qflag = 0;
static int Rflag = 0;
static int Sflag = 0;
static int rflag = 0;
static int tflag = 0;
static int Uflag = 0;
@@ -176,12 +178,15 @@ output(const struct entry *ent)
static int
entcmp(const void *va, const void *vb)
{
int cmp = 0;
const struct entry *a = va, *b = vb;
if (tflag)
return b->t - a->t;
else
return strcmp(a->name, b->name);
if (Sflag)
cmp = b->size - a->size;
else if (tflag)
cmp = b->t - a->t;
return cmp ? cmp : strcmp(a->name, b->name);
}
static void
@@ -289,6 +294,11 @@ main(int argc, char *argv[])
case 'd':
dflag = 1;
break;
case 'f':
aflag = 1;
fflag = 1;
Uflag = 1;
break;
case 'F':
Fflag = 1;
break;
@@ -321,9 +331,15 @@ main(int argc, char *argv[])
Rflag = 1;
break;
case 'r':
rflag = 1;
if (!fflag)
rflag = 1;
break;
case 'S':
Sflag = 1;
tflag = 0;
break;
case 't':
Sflag = 0;
tflag = 1;
break;
case 'U':