Remove unused scandir() check and fallback implementation.

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@23799 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
diego 2007-07-17 09:45:10 +00:00
parent b6b143c5dc
commit b21bbf2505
3 changed files with 0 additions and 154 deletions

20
configure vendored
View File

@ -3323,22 +3323,6 @@ fi
echores "$_shm"
echocheck "scandir()"
cat > $TMPC << EOF
int main (void) { scandir("", 0, 0, 0); alphasort(0, 0); return 0; }
EOF
_scandir=no
cc_check && _scandir=yes
if test "$_scandir" = yes ; then
_def_scandir='#define HAVE_SCANDIR 1'
_need_scandir=no
else
_def_scandir='#undef HAVE_SCANDIR'
_need_scandir=yes
fi
echores "$_scandir"
echocheck "strsep()"
cat > $TMPC << EOF
#include <string.h>
@ -7396,7 +7380,6 @@ HAVE_POSIX_SELECT = $_posix_select
NEED_GETTIMEOFDAY = $_need_gettimeofday
NEED_GLOB = $_need_glob
NEED_SCANDIR = $_need_scandir
NEED_SETENV = $_need_setenv
NEED_SHMEM = $_need_shmem
NEED_STRSEP = $_need_strsep
@ -7749,9 +7732,6 @@ $_def_zlib
/* Define this if you have shm support */
$_def_shm
/* Define this if your system has scandir & alphasort */
$_def_scandir
/* Define this if your system has strsep */
$_def_strsep

View File

@ -7,7 +7,6 @@ SRCS_COMMON-$(MACOSX_FINDER_SUPPORT) += macosx_finder_args.c
SRCS_COMMON-$(NEED_GETTIMEOFDAY) += gettimeofday.c
SRCS_COMMON-$(NEED_GLOB) += glob-win.c
SRCS_COMMON-$(NEED_SCANDIR) += scandir.c
SRCS_COMMON-$(NEED_SETENV) += setenv.c
SRCS_COMMON-$(NEED_SHMEM) += shmem.c
SRCS_COMMON-$(NEED_STRSEP) += strsep.c

View File

@ -1,133 +0,0 @@
/*
* scandir, alphasort - scan a directory
*
* implementation for systems that do not have it in libc
*/
#include "config.h"
#include <sys/types.h>
#include <dirent.h>
#include <stdlib.h>
#include <stddef.h>
#include <string.h>
/*
* convenience helper function for scandir's |compar()| function:
* sort directory entries using strcoll(3)
*/
int
alphasort(const void *_a, const void *_b)
{
struct dirent **a = (struct dirent **)_a;
struct dirent **b = (struct dirent **)_b;
return strcoll((*a)->d_name, (*b)->d_name);
}
#define strverscmp(a,b) strcoll(a,b) /* for now */
/*
* convenience helper function for scandir's |compar()| function:
* sort directory entries using GNU |strverscmp()|
*/
int
versionsort(const void *_a, const void *_b)
{
struct dirent **a = (struct dirent **)_a;
struct dirent **b = (struct dirent **)_b;
return strverscmp((*a)->d_name, (*b)->d_name);
}
/*
* The scandir() function reads the directory dirname and builds an
* array of pointers to directory entries using malloc(3). It returns
* the number of entries in the array. A pointer to the array of
* directory entries is stored in the location referenced by namelist.
*
* The select parameter is a pointer to a user supplied subroutine
* which is called by scandir() to select which entries are to be
* included in the array. The select routine is passed a pointer to
* a directory entry and should return a non-zero value if the
* directory entry is to be included in the array. If select is null,
* then all the directory entries will be included.
*
* The compar parameter is a pointer to a user supplied subroutine
* which is passed to qsort(3) to sort the completed array. If this
* pointer is null, the array is not sorted.
*/
int
scandir(const char *dirname,
struct dirent ***ret_namelist,
int (*select)(const struct dirent *),
int (*compar)(const struct dirent **, const struct dirent **))
{
int i, len;
int used, allocated;
DIR *dir;
struct dirent *ent, *ent2;
struct dirent **namelist = NULL;
if ((dir = opendir(dirname)) == NULL)
return -1;
used = 0;
allocated = 2;
namelist = malloc(allocated * sizeof(struct dirent *));
if (!namelist)
goto error;
while ((ent = readdir(dir)) != NULL) {
if (select != NULL && !select(ent))
continue;
/* duplicate struct direct for this entry */
len = offsetof(struct dirent, d_name) + strlen(ent->d_name) + 1;
if ((ent2 = malloc(len)) == NULL)
goto error;
if (used >= allocated) {
allocated *= 2;
namelist = realloc(namelist, allocated * sizeof(struct dirent *));
if (!namelist)
goto error;
}
memcpy(ent2, ent, len);
namelist[used++] = ent2;
}
closedir(dir);
if (compar)
qsort(namelist, used, sizeof(struct dirent *),
(int (*)(const void *, const void *)) compar);
*ret_namelist = namelist;
return used;
error:
closedir(dir);
if (namelist) {
for (i = 0; i < used; i++)
free(namelist[i]);
free(namelist);
}
return -1;
}
#if STANDALONE_MAIN
int
main(int argc, char **argv)
{
struct dirent **namelist;
int i, n;
n = scandir("/etc", &namelist, NULL, alphasort);
for (i = 0; i < n; i++)
printf("%s\n", namelist[i]->d_name);
}
#endif