home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Sprite 1984 - 1993
/
Sprite 1984 - 1993.iso
/
src
/
lib
/
c
/
stdio
/
tmpnam.c
< prev
next >
Wrap
C/C++ Source or Header
|
1989-12-11
|
2KB
|
87 lines
/*
* Copyright (c) 1988 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that this notice is preserved and that due credit is given
* to the University of California at Berkeley. The name of the University
* may not be used to endorse or promote products derived from this
* software without specific written prior permission. This software
* is provided ``as is'' without express or implied warranty.
*/
#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)tmpnam.c 4.4 (Berkeley) 6/8/88";
#endif /* LIBC_SCCS and not lint */
#include <sys/param.h>
#include <sys/stat.h>
#include <sys/file.h>
#include <stdio.h>
#define P_tmpdir "/usr/tmp"
FILE *
tmpfile()
{
FILE *fp;
char *f, name[MAXPATHLEN], *tmpnam();
if (!(fp = fopen(f = tmpnam(name), "w+"))) {
fprintf(stderr, "tmpfile: cannot open %s.\n", name);
return(NULL);
}
(void)unlink(f);
return(fp);
}
char *
tmpnam(s)
char *s;
{
static char name[MAXPATHLEN];
char *mktemp();
if (!s)
s = name;
(void)sprintf(s, "%s/XXXXXX", P_tmpdir);
return(mktemp(s));
}
char *
tempnam(dir, pfx)
char *dir, *pfx;
{
struct stat buf;
char *f, *name, *getenv(), *malloc(), *mktemp(), *strcat(), *strcpy();
if (!(name = malloc((u_int)MAXPATHLEN)))
return(NULL);
if ((f = getenv("TMPDIR")) && !stat(f, &buf) &&
(buf.st_mode&S_IFMT) == S_IFDIR && !access(f, W_OK|X_OK)) {
(void)strcpy(name, f);
goto done;
}
if (dir && !stat(dir, &buf) &&
(buf.st_mode&S_IFMT) == S_IFDIR && !access(dir, W_OK|X_OK)) {
(void)strcpy(name, dir);
goto done;
}
if (!stat(P_tmpdir, &buf) &&
(buf.st_mode&S_IFMT) == S_IFDIR && !access(P_tmpdir, W_OK|X_OK)) {
(void)strcpy(name, P_tmpdir);
goto done;
}
if (!stat("/tmp", &buf) &&
(buf.st_mode&S_IFMT) == S_IFDIR && !access("/tmp", W_OK|X_OK)) {
(void)strcpy(name, "/tmp");
goto done;
}
return(NULL);
done: (void)strcat(name, "/");
if (pfx)
(void)strcat(name, pfx);
(void)strcat(name, "XXXXXX");
return(mktemp(name));
}