-/*
-** Copyright (C) 2006- Sami Kerola <kerolasa@iki.fi>
-**
-** This program is free software; you can redistribute it and/or modify
+/* http://dhcpd-pools.sourceforge.net/
+** Copyright 2006- Sami Kerola <kerolasa@iki.fi>
+**
+** 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 2 of the License, or
+** 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, write to the Free Software
-** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+** along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef DHCPD_POOLS_H
#define _POSIX_SOURCE 1
#define POSIXLY_CORRECT 1
-#ifdef HAVE_STDLIB_H
+#ifdef HAVE_STDLIB_H
#include <stdlib.h>
-#else /* Not STDC_HEADERS */
-extern void exit ();
-extern char *malloc ();
-#endif /* STDC_HEADERS */
+#else
+extern void exit();
+extern char *malloc();
+#endif /* STDC_HEADERS */
-/* Structures and unions */
-struct configuration_t
+#ifndef HAVE_PROGRAM_INVOCATION_SHORT_NAME
+# ifdef HAVE___PROGNAME
+extern char *__progname;
+# define program_invocation_short_name __progname
+# else /* HAVE___PROGNAME */
+# ifdef HAVE_GETEXECNAME
+# include <stdlib.h>
+# define program_invocation_short_name \
+ prog_inv_sh_nm_from_file(getexecname(), 0)
+# else /* HAVE_GETEXECNAME */
+# define program_invocation_short_name \
+ prog_inv_sh_nm_from_file(__FILE__, 1)
+# endif /* HAVE_PROGRAM_INVOCATION_SHORT_NAME */
+static char prog_inv_sh_nm_buf[256];
+static inline char *prog_inv_sh_nm_from_file(char *f, char stripext)
{
- char *dhcpdconf_file;
- char *dhcpdlease_file;
- char output_format[2];
- char sort[6];
- int reverse_order;
- char *output_file;
- int output_limit[2];
+ char *t;
+ if ((t = strrchr(f, '/')) != NULL) {
+ t++;
+ } else {
+ t = f;
+ }
+ strncpy(prog_inv_sh_nm_buf, t, sizeof(prog_inv_sh_nm_buf) - 1);
+ prog_inv_sh_nm_buf[sizeof(prog_inv_sh_nm_buf) - 1] = '\0';
+
+ if (stripext && (t = strrchr(prog_inv_sh_nm_buf, '.')) != NULL) {
+ *t = '\0';
+ }
+ return prog_inv_sh_nm_buf;
+}
+# endif
+#endif
+
+/* Structures and unions */
+struct configuration_t {
+ char *dhcpdconf_file;
+ char *dhcpdlease_file;
+ char output_format[2];
+ char sort[6];
+ int reverse_order;
+ char *output_file;
+ int output_limit[2];
};
-struct shared_network_t
-{
- char *name;
- unsigned long int available;
- unsigned long int used;
- unsigned long int touched;
- unsigned long int backups;
+struct shared_network_t {
+ char *name;
+ unsigned long int available;
+ unsigned long int used;
+ unsigned long int touched;
+ unsigned long int backups;
};
-struct range_t
-{
- struct shared_network_t *shared_net;
- unsigned long int first_ip;
- unsigned long int last_ip;
- unsigned long int count;
- unsigned long int touched;
- unsigned long int backups;
+struct range_t {
+ struct shared_network_t *shared_net;
+ unsigned long int first_ip;
+ unsigned long int last_ip;
+ unsigned long int count;
+ unsigned long int touched;
+ unsigned long int backups;
+};
+struct macaddr_t {
+ char *ethernet;
+ char *ip;
+ struct macaddr_t *next;
};
+
/* Global variables */
-static int true = 1;
-static int false = 0;
+static int const true = 1;
+static int const false = 0;
-char *program_name;
struct configuration_t config;
-static int output_limit_bit_1 = 1;
-static int output_limit_bit_2 = 2;
-static int output_limit_bit_3 = 4;
+static int const output_limit_bit_1 = 1;
+static int const output_limit_bit_2 = 2;
+static int const output_limit_bit_3 = 4;
unsigned int fullhtml;
struct shared_network_t *shared_networks;
-char *shared_net_names;
unsigned int num_shared_networks;
struct range_t *ranges;
unsigned long int *backups;
unsigned long int num_backups;
+struct macaddr_t *macaddr;
+
/* Function prototypes */
-int prepare_memory (void);
-int parse_leases (void);
-char * parse_config (int, char *, char *, char *, struct shared_network_t *);
-int nth_field (int n, char *dest, const char *src);
-int prepare_data (void);
-int do_counting (void);
-void flip_ranges(struct range_t *ranges, struct range_t *tmp_ranges);
+int prepare_memory(void);
+int parse_leases(void);
+void parse_config(int, char *, struct shared_network_t *)
+ __attribute__ ((nonnull(2, 3)));
+int nth_field(int n, char *dest, const char *src)
+ __attribute__ ((nonnull(2, 3)))
+#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)
+ __attribute__ ((__hot__))
+#endif
+ ;
+int prepare_data(void);
+int do_counting(void);
+void flip_ranges(struct range_t *ranges, struct range_t *tmp_ranges)
+ __attribute__ ((nonnull(1, 2)));
/* General support functions */
-void *safe_malloc (size_t size);
-void eprintf (char *, ...);
-void print_version (void);
-void usage (int status);
+void *safe_malloc(const size_t size)
+#if __GNUC__ >= 3
+ __attribute__ ((__malloc__))
+#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)
+ __attribute__ ((__alloc_size__((1))))
+#endif
+#endif
+ ;
+void *safe_realloc(void *ptr, const size_t size);
+char *safe_strdup(const char *str) __attribute__ ((nonnull(1)));
+void print_version(void) __attribute__ ((noreturn));
+void usage(int status) __attribute__ ((noreturn));
/* qsort required functions... */
/* ...for ranges and... */
-int intcomp (const void *x, const void *y);
-int rangecomp (const void *r1, const void *r2);
+int intcomp(const void *x, const void *y) __attribute__ ((nonnull(1, 2)));
+int rangecomp(const void *r1, const void *r2)
+ __attribute__ ((nonnull(1, 2)));
/* sort function pointer and functions */
-int sort_name (void);
+int sort_name(void);
unsigned long int (*returner) (struct range_t r);
unsigned long int ret_ip(struct range_t r);
unsigned long int ret_cur(struct range_t r);
unsigned long int ret_tc(struct range_t r);
unsigned long int ret_tcperc(struct range_t r);
void field_selector(char c);
-int get_order(struct range_t *left, struct range_t *right);
-void mergesort_ranges (struct range_t *orig, int size, struct range_t *temp);
+int get_order(struct range_t *left, struct range_t *right)
+ __attribute__ ((nonnull(1, 2)));
+void mergesort_ranges(struct range_t *orig, int size, struct range_t *temp)
+ __attribute__ ((nonnull(1, 3)));
/* output function pointer and functions */
int (*output_analysis) (void);
-int output_txt (void);
-int output_html (void);
-int output_xml (void);
-int output_csv (void);
+int output_txt(void);
+int output_html(void);
+int output_xml(void);
+int output_csv(void);
/* Memory release, file closing etc */
-void clean_up (void);
+void clean_up(void);
-#endif /* DHCPD_POOLS_H */
+#endif /* DHCPD_POOLS_H */