119 lines
4.1 KiB
C
119 lines
4.1 KiB
C
/*
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* Copyright (c) 1999 - 2004 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <config.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <err.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include "roken.h"
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int
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main()
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{
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unsigned long max_t = 0;
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unsigned long a[2];
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unsigned long v;
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ssize_t bytes;
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int fd;
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if ((fd = open("/proc/self/auxv", O_RDONLY)) == -1)
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return 0;
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do {
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bytes = read(fd, a, sizeof(a));
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if (bytes != sizeof(a)) {
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if (bytes == -1)
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err(1, "Error reading from /proc/self/auxv");
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if (bytes == 0)
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warnx("Did not see terminator in /proc/self/auxv");
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else
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warnx("Partial entry in /proc/self/auxv or test interrupted");
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(void) close(fd);
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return 1;
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}
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if (a[0] > max_t)
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max_t = a[0];
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if (a[0] == 0) {
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if (a[1] != 0)
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warnx("AT_NULL with non-zero value %lu?!", a[1]);
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continue;
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}
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errno = EACCES;
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if ((v = rk_getauxval(a[0])) != a[1])
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errx(1, "rk_getauxval(%lu) should have been %lu, was %lu",
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a[0], a[1], v);
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if (errno != EACCES)
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errx(1, "rk_getauxval(%lu) did not preserve errno", a[0]);
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if ((v = rk_getprocauxval(a[0])) != a[1])
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errx(1, "rk_getauxval(%lu) should have been %lu, was %lu",
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a[0], a[1], v);
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if (errno != EACCES)
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errx(1, "rk_getprocauxval(%lu) did not preserve errno", a[0]);
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printf("auxv type %lu -> %lu\n", a[0], a[1]);
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} while (a[0] != 0 || a[1] != 0);
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(void) close(fd);
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if (max_t == 0) {
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warnx("No entries in /proc/self/auxv or it is not available on this "
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"system or this program is linked statically; cannot test "
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"rk_getauxval()");
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return 0;
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}
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errno = EACCES;
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if ((v = rk_getauxval(max_t + 1)) != 0)
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errx(1, "rk_getauxval((max_type_seen = %lu) + 1) should have been "
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"0, was %lu", max_t, v);
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if (errno != ENOENT)
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errx(1, "rk_getauxval((max_type_seen = %lu) + 1) did not set "
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"errno = ENOENT!", max_t);
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errno = EACCES;
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if ((v = rk_getprocauxval(max_t + 1)) != 0)
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errx(1, "rk_getprocauxval((max_type_seen = %lu) + 1) should have been "
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"0, was %lu", max_t, v);
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if (errno != ENOENT)
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errx(1, "rk_getprocauxval((max_type_seen = %lu) + 1) did not set "
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"errno = ENOENT!", max_t);
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return 0;
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}
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