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Splitted POSIX based cfs implementation to avoid pulling in potentially large POSIX directory I/O functions without needing them at all.

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This commit is contained in:
oliverschmidt 2007-12-21 01:36:01 +00:00
parent 102e3e2a24
commit 0564cc50fd
5 changed files with 90 additions and 48 deletions
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45
core/cfs/cfs-posix.c
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@ -30,21 +30,15 @@
*
* Author: Adam Dunkels <adam@sics.se>
*
* $Id: cfs-posix.c,v 1.6 2007/11/22 11:37:34 oliverschmidt Exp $
* $Id: cfs-posix.c,v 1.7 2007/12/21 01:36:01 oliverschmidt Exp $
*/
#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#include <dirent.h>
#include <string.h>
#include "cfs/cfs.h"
struct cfs_posix_dir {
DIR *dirp;
};
/*---------------------------------------------------------------------------*/
int
cfs_open(const char *n, int f)
@ -76,40 +70,3 @@ cfs_seek(int f, unsigned int o)
return lseek(f, o, SEEK_SET);
}
/*---------------------------------------------------------------------------*/
int
cfs_opendir(struct cfs_dir *p, const char *n)
{
struct cfs_posix_dir *dir = (struct cfs_posix_dir *)p;
dir->dirp = opendir(n);
return dir->dirp == NULL;
}
/*---------------------------------------------------------------------------*/
int
cfs_readdir(struct cfs_dir *p, struct cfs_dirent *e)
{
struct cfs_posix_dir *dir = (struct cfs_posix_dir *)p;
struct dirent *res;
if(dir->dirp == NULL) {
return -1;
}
res = readdir(dir->dirp);
if(res == NULL) {
return -1;
}
strncpy(e->name, res->d_name, sizeof(e->name));
e->size = 0;
return 0;
}
/*---------------------------------------------------------------------------*/
void
cfs_closedir(struct cfs_dir *p)
{
struct cfs_posix_dir *dir = (struct cfs_posix_dir *)p;
if(dir->dirp != NULL) {
closedir(dir->dirp);
}
}
/*---------------------------------------------------------------------------*/