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/*
* <dirent.h> wrapper functions.
*
* Authors:
* Jonathan Pryor (jonpryor@vt.edu)
*
* Copyright (C) 2004 Jonathan Pryor
*/
#include <dirent.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#include "mph.h"
G_BEGIN_DECLS
struct Mono_Posix_Syscall__Dirent {
/* ino_t */ mph_ino_t d_ino;
/* off_t */ mph_off_t d_off;
/* ushort */ unsigned short d_reclen;
/* byte */ unsigned char d_type;
/* string */ char *d_name;
};
gint32
Mono_Posix_Syscall_seekdir (DIR *dir, mph_off_t offset)
{
mph_return_if_off_t_overflow (offset);
errno = 0;
seekdir (dir, (off_t) offset);
return errno != 0;
}
mph_off_t
Mono_Posix_Syscall_telldir (DIR *dir)
{
return telldir (dir);
}
static void
copy_dirent (struct Mono_Posix_Syscall__Dirent *to, struct dirent *from)
{
to->d_ino = from->d_ino;
#ifdef MPH_ON_BSD
to->d_off = 0;
#else
to->d_off = from->d_off;
#endif
to->d_reclen = from->d_reclen;
to->d_type = from->d_type;
to->d_name = strdup (from->d_name);
}
gint32
Mono_Posix_Syscall_readdir (DIR *dirp, struct Mono_Posix_Syscall__Dirent *entry)
{
struct dirent *d;
if (entry == NULL) {
errno = EFAULT;
return -1;
}
d = readdir (dirp);
if (d == NULL) {
return -1;
}
copy_dirent (entry, d);
return 0;
}
gint32
Mono_Posix_Syscall_readdir_r (DIR *dirp, struct Mono_Posix_Syscall__Dirent *entry, void **result)
{
struct dirent _entry;
int r;
r = readdir_r (dirp, &_entry, (struct dirent**) result);
if (r == 0 && result != NULL) {
copy_dirent (entry, &_entry);
}
return r;
}
G_END_DECLS
/*
* vim: noexpandtab
*/
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