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Sprite 1984 - 1993
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opendir.c
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C/C++ Source or Header
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1992-01-10
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927b
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47 lines
/*
* Copyright (c) 1983 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*/
#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)opendir.c 5.2 (Berkeley) 3/9/86";
#endif LIBC_SCCS and not lint
#include <stdlib.h>
#include <sys/param.h>
#include <sys/dir.h>
#include <sys/file.h>
#include <sys/stat.h>
#include <errno.h>
/*
* open a directory.
*/
DIR *
opendir(name)
char *name;
{
register DIR *dirp;
register int fd;
struct stat statBuf;
if (stat(name, &statBuf) == -1) {
return NULL;
}
if (!S_ISDIR(statBuf.st_mode)) {
errno = ENOTDIR;
return NULL;
}
if ((fd = open(name, O_RDONLY, 0)) == -1) {
return NULL;
}
if ((dirp = (DIR *)malloc(sizeof(DIR))) == NULL) {
close (fd);
return NULL;
}
dirp->dd_fd = fd;
dirp->dd_loc = 0;
return dirp;
}