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/*
* libexplain - a library of system-call-specific strerror replacements
* Copyright (C) 2011, 2012 Peter Miller
* Written by Peter Miller <pmiller@opensource.org.au>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 3 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <libexplain/ac/stdio.h>
#include <libexplain/ac/stdlib.h>
#include <libexplain/ac/string.h>
#include <libexplain/ac/unistd.h>
#include <libexplain/fclose.h>
#include <libexplain/fgets.h>
#include <libexplain/fopen.h>
#include <libexplain/output.h>
#include <libexplain/program_name.h>
#include <libexplain/version_print.h>
static void
usage(void)
{
const char *prog;
prog = explain_program_name_get();
fprintf(stderr, "Usage: %s\n", prog);
fprintf(stderr, " %s -V\n", prog);
exit(EXIT_FAILURE);
}
static int number_of_errors;
static void
check(const char *filename)
{
FILE *fp = explain_fopen_or_die(filename, "r");
int linum = 0;
int saw_eacces = 0;
int saw_eperm = 0;
int saw_test_config_not_root = 0;
for (;;)
{
char *cp;
char line[1000];
if (!explain_fgets_or_die(line, sizeof(line), fp))
break;
++linum;
if (strstr(line, "EACCES"))
saw_eacces = linum;
if (strstr(line, "EPERM"))
saw_eperm = linum;
if (strstr(line, "test_config not-root"))
saw_test_config_not_root = linum;
cp = strstr(line, "fmt -w");
if (cp && cp[6] != ' ')
{
explain_output_error
(
"%s: %d: Solaris needs a space after fmt -w",
filename,
linum
);
++number_of_errors;
}
if (0 == memcmp(line, "diff -", 6))
{
explain_output_error
(
"%s: %d: far too many diff options are not portable, use the "
"default format",
filename,
linum
);
++number_of_errors;
}
}
explain_fclose_or_die(fp);
if ((saw_eacces || saw_eperm) && !saw_test_config_not_root)
{
explain_output_error
(
"%s: %d: the EACCES and EPERM tests do not work when invoked "
"by root, use \"test_config not-root || pass\" to cope",
filename,
(saw_eacces ? saw_eacces : saw_eperm)
);
++number_of_errors;
}
}
int
main(int argc, char **argv)
{
for (;;)
{
int c;
c = getopt(argc, argv, "V");
if (c < 0)
break;
switch (c)
{
case 'V':
explain_version_print();
return EXIT_SUCCESS;
default:
usage();
}
}
if (optind == argc)
usage();
for (;;)
{
check(argv[optind++]);
if (optind >= argc)
break;
}
if (number_of_errors > 0)
{
explain_output_error_and_die
(
"found %d error%s",
number_of_errors,
(number_of_errors == 1 ? "" : "s")
);
}
return EXIT_SUCCESS;
}
/* vim: set ts=8 sw=4 et : */
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