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6eff786eef
The compilation is very easy, a simple `make` should work, as I provided a convenient `Makefile`
93 lines
1.7 KiB
C
93 lines
1.7 KiB
C
/*
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* Copyright (C) 2008-2013 Helmut Grohne <helmut@subdivi.de> - All rights reserved.
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*
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* This copyrighted material is made available to anyone wishing to use,
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* modify, copy, or redistribute it subject to the terms and conditions
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* of the GNU General Public License v.2 or v.3.
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*/
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "common.h"
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extern char **environ;
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int writeyes(void)
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{
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puts("yes");
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return 0;
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}
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int autoconf_check_readable(const char *path)
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{
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if (0 == access(path, R_OK))
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return writeyes();
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else {
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printf("no (%s is not readable, errno=%d)\n", path, errno);
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return 0;
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}
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}
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int getenvint(const char *name, int defvalue)
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{
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const char *value;
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value = getenv(name);
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if (value == NULL)
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return defvalue;
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return atoi(value);
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}
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static
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/*@null@ */
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/*@observer@ */
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const char *getenv_composed(const char *name1, const char *name2)
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{
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char **p;
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size_t len1 = strlen(name1), len2 = strlen(name2);
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for (p = environ; *p; ++p) {
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if (0 == strncmp(*p, name1, len1) &&
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0 == strncmp(len1 + *p, name2, len2) &&
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(*p)[len1 + len2] == '=')
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return len1 + len2 + 1 + *p;
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}
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return NULL;
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}
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void print_warning(const char *name)
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{
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const char *p;
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p = getenv_composed(name, "_warning");
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if (p == NULL)
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p = getenv("warning");
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if (p == NULL)
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return;
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printf("%s.warning %s\n", name, p);
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}
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void print_critical(const char *name)
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{
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const char *p;
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p = getenv_composed(name, "_critical");
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if (p == NULL)
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p = getenv("critical");
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if (p == NULL)
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return;
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printf("%s.critical %s\n", name, p);
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}
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void print_warncrit(const char *name)
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{
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print_warning(name);
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print_critical(name);
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}
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int fail(const char *message)
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{
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fputs(message, stderr);
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fputc('\n', stderr);
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return 1;
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}
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