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      1 /*	$NetBSD: test-readenv.c,v 1.2 2017/01/28 21:31:50 christos Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2005 Kungliga Tekniska Hgskolan
      5  * (Royal Institute of Technology, Stockholm, Sweden).
      6  * All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  *
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  *
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * 3. Neither the name of the Institute nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  */
     35 
     36 #include <config.h>
     37 
     38 #include <krb5/roken.h>
     39 #include "test-mem.h"
     40 
     41 char *s1 = "VAR1=VAL1#comment\n\
     42 VAR2=VAL2 VAL2 #comment\n\
     43 #this another comment\n\
     44 \n\
     45 VAR3=FOO";
     46 
     47 char *s2 = "VAR1=ENV2\n\
     48 ";
     49 
     50 static void
     51 make_file(char *tmpl, size_t l)
     52 {
     53     int fd;
     54     strlcpy(tmpl, "env.XXXXXX", l);
     55     fd = mkstemp(tmpl);
     56     if(fd < 0)
     57 	err(1, "mkstemp");
     58     close(fd);
     59 }
     60 
     61 static void
     62 write_file(const char *fn, const char *s)
     63 {
     64     FILE *f;
     65     f = fopen(fn, "w");
     66     if(f == NULL) {
     67 	unlink(fn);
     68 	err(1, "fopen");
     69     }
     70     if(fwrite(s, 1, strlen(s), f) != strlen(s))
     71 	err(1, "short write");
     72     if(fclose(f) != 0) {
     73 	unlink(fn);
     74 	err(1, "fclose");
     75     }
     76 }
     77 
     78 int
     79 main(int argc, char **argv)
     80 {
     81     char **env = NULL;
     82     int count = 0;
     83     char fn[MAXPATHLEN];
     84     int error = 0;
     85 
     86     make_file(fn, sizeof(fn));
     87 
     88     write_file(fn, s1);
     89     count = read_environment(fn, &env);
     90     if(count != 3) {
     91 	warnx("test 1: variable count %d != 3", count);
     92 	error++;
     93     }
     94 
     95     write_file(fn, s2);
     96     count = read_environment(fn, &env);
     97     if(count != 1) {
     98 	warnx("test 2: variable count %d != 1", count);
     99 	error++;
    100     }
    101 
    102     unlink(fn);
    103     count = read_environment(fn, &env);
    104     if(count != 0) {
    105 	warnx("test 3: variable count %d != 0", count);
    106 	error++;
    107     }
    108     for(count = 0; env && env[count]; count++);
    109     if(count != 3) {
    110 	warnx("total variable count %d != 3", count);
    111 	error++;
    112     }
    113     free_environment(env);
    114 
    115 
    116     return error;
    117 }
    118