parse_leases: exit at read error

[debian/dhcpd-pools.git] / src / dhcpd-pools.h

diff --git a/src/dhcpd-pools.h b/src/dhcpd-pools.h
index 6d8df20..dc7ab97 100644 (file)
--- a/src/dhcpd-pools.h
+++ b/src/dhcpd-pools.h
@@ -1,36 +1,89 @@
-/* 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 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/>.   
-*/
+/*
+ * The dhcpd-pools has BSD 2-clause license which also known as "Simplified
+ * BSD License" or "FreeBSD License".
+ *
+ * Copyright 2006- Sami Kerola. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *    1. Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *
+ *    2. Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the
+ *       distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY <COPYRIGHT HOLDER> ``AS IS'' AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation are
+ * those of the authors and should not be interpreted as representing
+ * official policies, either expressed or implied, of Sami Kerola.
+ */
 
 #ifndef DHCPD_POOLS_H
 # define DHCPD_POOLS_H 1
 
 #include <config.h>
+#include <stddef.h>
 
 /* Feature test switches */
 #define _POSIX_SOURCE 1
 #define POSIXLY_CORRECT 1
 
-#ifdef  HAVE_STDLIB_H
-#include <stdlib.h>
+#ifdef HAVE_STDLIB_H
 #else
 extern void exit();
 extern char *malloc();
+#define EXIT_FAILURE   1
+#define EXIT_SUCCESS   0
 #endif                         /* STDC_HEADERS */
 
+#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 *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;
@@ -74,7 +127,6 @@ 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;
@@ -94,8 +146,8 @@ 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 *)
-    __attribute__ ((nonnull(2, 3, 4)));
+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)
@@ -115,6 +167,7 @@ void *safe_malloc(const size_t size)
 #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));