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Patch from Rich Felker to make ls use libc's qsort.

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This commit is contained in:
Rob Landley 2006-05-03 20:22:03 +00:00
parent 1801e9cde7
commit 425e7584a4
1 changed files with 10 additions and 26 deletions
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36
coreutils/ls.c
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@ -396,8 +396,10 @@ static struct dnode **splitdnarray(struct dnode **dn, int nfiles, int which)
/*----------------------------------------------------------------------*/
#ifdef CONFIG_FEATURE_LS_SORTFILES
static int sortcmp(struct dnode *d1, struct dnode *d2)
static int sortcmp(const void *a, const void *b)
{
struct dnode *d1 = *(struct dnode **)a;
struct dnode *d2 = *(struct dnode **)b;
unsigned int sort_opts = all_fmt & SORT_MASK;
int dif;
@ -432,27 +434,9 @@ static int sortcmp(struct dnode *d1, struct dnode *d2)
}
/*----------------------------------------------------------------------*/
static void shellsort(struct dnode **dn, int size)
static void dnsort(struct dnode **dn, int size)
{
struct dnode *temp;
int gap, i, j;
/* shell short the array */
if (dn == NULL || size < 2)
return;
for (gap = size / 2; gap > 0; gap /= 2) {
for (i = gap; i < size; i++) {
for (j = i - gap; j >= 0; j -= gap) {
if (sortcmp(dn[j], dn[j + gap]) <= 0)
break;
/* they are out of order, swap them */
temp = dn[j];
dn[j] = dn[j + gap];
dn[j + gap] = temp;
}
}
}
qsort(dn, size, sizeof *dn, sortcmp);
}
#endif
@ -543,7 +527,7 @@ static void showdirs(struct dnode **dn, int ndirs, int first)
if (nfiles > 0) {
/* list all files at this level */
#ifdef CONFIG_FEATURE_LS_SORTFILES
shellsort(subdnp, nfiles);
dnsort(subdnp, nfiles);
#endif
showfiles(subdnp, nfiles);
#ifdef CONFIG_FEATURE_LS_RECURSIVE
@ -553,7 +537,7 @@ static void showdirs(struct dnode **dn, int ndirs, int first)
dndirs = countsubdirs(subdnp, nfiles);
if (dndirs > 0) {
#ifdef CONFIG_FEATURE_LS_SORTFILES
shellsort(dnd, dndirs);
dnsort(dnd, dndirs);
#endif
showdirs(dnd, dndirs, 0);
free(dnd); /* free the array of dnode pointers to the dirs */
@ -1135,7 +1119,7 @@ int ls_main(int argc, char **argv)
if (all_fmt & DISP_NOLIST) {
#ifdef CONFIG_FEATURE_LS_SORTFILES
shellsort(dnp, nfiles);
dnsort(dnp, nfiles);
#endif
if (nfiles > 0)
showfiles(dnp, nfiles);
@ -1146,7 +1130,7 @@ int ls_main(int argc, char **argv)
dnfiles = nfiles - dndirs;
if (dnfiles > 0) {
#ifdef CONFIG_FEATURE_LS_SORTFILES
shellsort(dnf, dnfiles);
dnsort(dnf, dnfiles);
#endif
showfiles(dnf, dnfiles);
if (ENABLE_FEATURE_CLEAN_UP)
@ -1154,7 +1138,7 @@ int ls_main(int argc, char **argv)
}
if (dndirs > 0) {
#ifdef CONFIG_FEATURE_LS_SORTFILES
shellsort(dnd, dndirs);
dnsort(dnd, dndirs);
#endif
showdirs(dnd, dndirs, dnfiles == 0);
if (ENABLE_FEATURE_CLEAN_UP)