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Annotation of 43BSDReno/lib/libc/gen/tmpnam.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1988 Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms are permitted provided
        !             6:  * that: (1) source distributions retain this entire copyright notice and
        !             7:  * comment, and (2) distributions including binaries display the following
        !             8:  * acknowledgement:  ``This product includes software developed by the
        !             9:  * University of California, Berkeley and its contributors'' in the
        !            10:  * documentation or other materials provided with the distribution and in
        !            11:  * all advertising materials mentioning features or use of this software.
        !            12:  * Neither the name of the University nor the names of its contributors may
        !            13:  * be used to endorse or promote products derived from this software without
        !            14:  * specific prior written permission.
        !            15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            16:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            17:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            18:  */
        !            19: 
        !            20: #if defined(LIBC_SCCS) && !defined(lint)
        !            21: static char sccsid[] = "@(#)tmpnam.c   4.8 (Berkeley) 6/22/90";
        !            22: #endif /* LIBC_SCCS and not lint */
        !            23: 
        !            24: #include <sys/param.h>
        !            25: #include <stdio.h>
        !            26: 
        !            27: #define        P_tmpdir        "/usr/tmp"
        !            28: 
        !            29: FILE *
        !            30: tmpfile()
        !            31: {
        !            32:        FILE *fp;
        !            33:        char *f, *tmpnam();
        !            34: 
        !            35:        if (!(f = tmpnam((char *)NULL)) || !(fp = fopen(f, "w+"))) {
        !            36:                fprintf(stderr, "tmpfile: cannot open %s.\n", f);
        !            37:                return(NULL);
        !            38:        }
        !            39:        (void)unlink(f);
        !            40:        return(fp);
        !            41: }
        !            42: 
        !            43: char *
        !            44: tmpnam(s)
        !            45:        char *s;
        !            46: {
        !            47:        char *malloc(), *mktemp();
        !            48: 
        !            49:        if (!s && !(s = malloc((u_int)MAXPATHLEN)))
        !            50:                return(NULL);
        !            51:        (void)sprintf(s, "%s/XXXXXX", P_tmpdir);
        !            52:        return(mktemp(s));
        !            53: }
        !            54: 
        !            55: char *
        !            56: tempnam(dir, pfx)
        !            57:        char *dir, *pfx;
        !            58: {
        !            59:        char *f, *name, *getenv(), *malloc(), *mktemp();
        !            60: 
        !            61:        if (!(name = malloc((u_int)MAXPATHLEN)))
        !            62:                return(NULL);
        !            63: 
        !            64:        if (f = getenv("TMPDIR")) {
        !            65:                (void)sprintf(name, "%s/%sXXXXXX", f, pfx ? "" : pfx);
        !            66:                if (f = mktemp(name))
        !            67:                        return(f);
        !            68:        }
        !            69:        if (dir) {
        !            70:                (void)sprintf(name, "%s/%sXXXXXX", dir, pfx ? "" : pfx);
        !            71:                if (f = mktemp(name))
        !            72:                        return(f);
        !            73:        }
        !            74:        (void)sprintf(name, "%s/%sXXXXXX", P_tmpdir, pfx ? "" : pfx);
        !            75:        if (f = mktemp(name))
        !            76:                return(f);
        !            77:        (void)sprintf(name, "/tmp/%sXXXXXX", pfx ? "" : pfx);
        !            78:        if (!(f = mktemp(name)))
        !            79:                (void)free(name);
        !            80:        return(f);
        !            81: }

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