Copyright notice change to GNU license 3

[debian/dhcpd-pools.git] / src / output.c

diff --git a/src/output.c b/src/output.c
index 22a67a4..657af88 100644 (file)
--- a/src/output.c
+++ b/src/output.c
@@ -1,19 +1,18 @@
-/*
-** 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/>.
 */
 
 #ifdef HAVE_CONFIG_H
@@ -24,6 +23,7 @@
 #include <sys/socket.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>
+#include <err.h>
 
 #include "dhcpd-pools.h"
 
@@ -39,8 +39,8 @@ int output_txt(void)
        if (config.output_file[0]) {
                outfile = fopen(config.output_file, "w+");
                if (outfile == NULL) {
-                       eprintf("output_txt: %s:", config.output_file);
-                       exit(EXIT_FAILURE);
+                       err(EXIT_FAILURE, "output_txt: %s",
+                           config.output_file);
                }
        } else {
                outfile = stdout;
@@ -54,7 +54,7 @@ int output_txt(void)
                fprintf
                    (outfile,
                     "shared net name     first ip           last ip            max   cur    percent  touch   t+c  t+c perc");
-               if (num_backups > 0) {
+               if (0 < num_backups) {
                        fprintf(outfile, "     bu  bu perc");
                }
                fprintf(outfile, "\n");
@@ -85,7 +85,7 @@ int output_txt(void)
                                          range_p->count)) /
                                (range_p->last_ip - range_p->first_ip -
                                 1));
-                       if (num_backups > 0) {
+                       if (0 < num_backups) {
                                fprintf(outfile, "%7lu %8.3f",
                                        range_p->backups,
                                        (float) (100 * range_p->backups) /
@@ -104,7 +104,7 @@ int output_txt(void)
                fprintf(outfile, "Shared networks:\n");
                fprintf(outfile,
                        "name                   max   cur     percent  touch    t+c  t+c perc");
-               if (num_backups > 0) {
+               if (0 < num_backups) {
                        fprintf(outfile, "     bu  bu perc");
                }
                fprintf(outfile, "\n");
@@ -123,7 +123,7 @@ int output_txt(void)
                                         (shared_p->touched +
                                          shared_p->used)) /
                                shared_p->available);
-                       if (num_backups > 0) {
+                       if (0 < num_backups) {
                                fprintf(outfile, "%7lu %8.3f",
                                        shared_p->backups,
                                        (float) (100 * shared_p->backups) /
@@ -142,7 +142,7 @@ int output_txt(void)
                fprintf(outfile,
                        "name                   max   cur     percent  touch    t+c  t+c perc");
 
-               if (num_backups > 0) {
+               if (0 < num_backups) {
                        fprintf(outfile, "     bu  bu perc");
                }
                fprintf(outfile, "\n");
@@ -161,7 +161,7 @@ int output_txt(void)
                                  shared_networks->used)) /
                        shared_networks->available);
 
-               if (num_backups > 0) {
+               if (0 < num_backups) {
                        fprintf(outfile, "%7lu %8.3f",
                                shared_networks->backups,
                                (float) (100 * shared_networks->backups) /
@@ -172,12 +172,12 @@ int output_txt(void)
        if (outfile == stdout) {
                ret = fflush(stdout);
                if (ret) {
-                       eprintf("output_txt: fflush:");
+                       warn("output_txt: fflush");
                }
        } else {
                ret = fclose(outfile);
                if (ret) {
-                       eprintf("output_txt: fclose:");
+                       warn("output_txt: fclose");
                }
        }
 
@@ -196,8 +196,8 @@ int output_xml(void)
        if (config.output_file[0]) {
                outfile = fopen(config.output_file, "w+");
                if (outfile == NULL) {
-                       eprintf("output_xml: %s:", config.output_file);
-                       exit(EXIT_FAILURE);
+                       err(EXIT_FAILURE, "output_xml: %s",
+                           config.output_file);
                }
        } else {
                outfile = stdout;
@@ -276,12 +276,12 @@ int output_xml(void)
        if (outfile == stdout) {
                ret = fflush(stdout);
                if (ret) {
-                       eprintf("output_xml: fflush:");
+                       warn("output_xml: fflush");
                }
        } else {
                ret = fclose(outfile);
                if (ret) {
-                       eprintf("output_xml: fclose:");
+                       warn("output_xml: fclose");
                }
        }
 
@@ -425,8 +425,8 @@ int output_html(void)
        if (config.output_file[0]) {
                outfile = fopen(config.output_file, "w+");
                if (outfile == NULL) {
-                       eprintf("output_html: %s:", config.output_file);
-                       exit(EXIT_FAILURE);
+                       err(EXIT_FAILURE, "output_html: %s",
+                           config.output_file);
                }
        } else {
                outfile = stdout;
@@ -451,7 +451,7 @@ int output_html(void)
                output_line(outfile, "th", "ralign", "touch");
                output_line(outfile, "th", "ralign", "t+c");
                output_line(outfile, "th", "ralign", "t+c perc");
-               if (num_backups > 0) {
+               if (0 < num_backups) {
                        output_line(outfile, "th", "ralign", "bu");
                        output_line(outfile, "th", "ralign", "bu perc");
                }
@@ -491,7 +491,7 @@ int output_html(void)
                                               range_p->count)) /
                                     (range_p->last_ip -
                                      range_p->first_ip - 1));
-                       if (num_backups > 0) {
+                       if (0 < num_backups) {
                                output_long(outfile, "td",
                                            range_p->backups);
                                output_float(outfile, "td",
@@ -517,7 +517,7 @@ int output_html(void)
                output_line(outfile, "th", "ralign", "touch");
                output_line(outfile, "th", "ralign", "t+c");
                output_line(outfile, "th", "ralign", "t+c perc");
-               if (num_backups > 0) {
+               if (0 < num_backups) {
                        output_line(outfile, "th", "ralign", "bu");
                        output_line(outfile, "th", "ralign", "bu perc");
                }
@@ -542,7 +542,7 @@ int output_html(void)
                                              (shared_p->touched +
                                               shared_p->used)) /
                                     shared_p->available);
-                       if (num_backups > 0) {
+                       if (0 < num_backups) {
                                output_long(outfile, "td",
                                            shared_p->backups);
                                output_float(outfile, "td",
@@ -565,7 +565,7 @@ int output_html(void)
                output_line(outfile, "th", "ralign", "touch");
                output_line(outfile, "th", "ralign", "t+c");
                output_line(outfile, "th", "ralign", "t+c perc");
-               if (num_backups > 0) {
+               if (0 < num_backups) {
                        output_line(outfile, "th", "ralign", "bu");
                        output_line(outfile, "th", "ralign", "bu perc");
                }
@@ -590,7 +590,7 @@ int output_html(void)
                                      (shared_networks->touched +
                                       shared_networks->used)) /
                             shared_networks->available);
-               if (num_backups > 0) {
+               if (0 < num_backups) {
                        output_long(outfile, "td",
                                    shared_networks->backups);
                        output_float(outfile, "td",
@@ -607,12 +607,12 @@ int output_html(void)
        if (outfile == stdout) {
                ret = fflush(stdout);
                if (ret) {
-                       eprintf("output_html: fflush:");
+                       warn("output_html: fflush");
                }
        } else {
                ret = fclose(outfile);
                if (ret) {
-                       eprintf("output_html: fclose:");
+                       warn("output_html: fclose");
                }
        }
        return 0;
@@ -630,8 +630,8 @@ int output_csv(void)
        if (config.output_file[0]) {
                outfile = fopen(config.output_file, "w+");
                if (outfile == NULL) {
-                       eprintf("output_csv: %s:", config.output_file);
-                       exit(EXIT_FAILURE);
+                       err(EXIT_FAILURE, "output_csv: %s",
+                           config.output_file);
                }
        } else {
                outfile = stdout;
@@ -645,7 +645,7 @@ int output_csv(void)
                fprintf
                    (outfile,
                     "\"shared net name\",\"first ip\",\"last ip\",\"max\",\"cur\",\"percent\",\"touch\",\"t+c\",\"t+c perc\"");
-               if (num_backups > 0) {
+               if (0 < num_backups) {
                        fprintf(outfile, ",\"bu\",\"bu perc\"");
                }
                fprintf(outfile, "\n");
@@ -677,7 +677,7 @@ int output_csv(void)
                                          range_p->count)) /
                                (range_p->last_ip - range_p->first_ip -
                                 1));
-                       if (num_backups > 0) {
+                       if (0 < num_backups) {
                                fprintf(outfile, ",\"%lu\",\"%.3f\"",
                                        range_p->backups,
                                        (float) (100 * range_p->backups) /
@@ -695,7 +695,7 @@ int output_csv(void)
                fprintf(outfile, "\"Shared networks:\"\n");
                fprintf(outfile,
                        "\"name\",\"max\",\"cur\",\"percent\",\"touch\",\"t+c\",\"t+c perc\"");
-               if (num_backups > 0) {
+               if (0 < num_backups) {
                        fprintf(outfile, ",\"bu\",\"bu perc\"");
                }
                fprintf(outfile, "\n");
@@ -715,7 +715,7 @@ int output_csv(void)
                                         (shared_p->touched +
                                          shared_p->used)) /
                                shared_p->available);
-                       if (num_backups > 0) {
+                       if (0 < num_backups) {
                                fprintf(outfile, ",\"%lu\",\"%.3f\"",
                                        shared_p->backups,
                                        (float) (100 * shared_p->backups) /
@@ -732,7 +732,7 @@ int output_csv(void)
                fprintf(outfile, "\"Sum of all ranges:\"\n");
                fprintf(outfile,
                        "\"name\",\"max\",\"cur\",\"percent\",\"touch\",\"t+c\",\"t+c perc\"");
-               if (num_backups > 0) {
+               if (0 < num_backups) {
                        fprintf(outfile, ",\"bu\",\"bu perc\"");
                }
                fprintf(outfile, "\n");
@@ -751,7 +751,7 @@ int output_csv(void)
                                 (shared_networks->touched +
                                  shared_networks->used)) /
                        shared_networks->available);
-               if (num_backups > 0) {
+               if (0 < num_backups) {
                        fprintf(outfile, "%7lu %8.3f",
                                shared_networks->backups,
                                (float) (100 * shared_networks->backups) /
@@ -763,13 +763,13 @@ int output_csv(void)
        if (outfile == stdout) {
                ret = fflush(stdout);
                if (ret) {
-                       eprintf("output_cvs: fflush:");
+                       warn("output_cvs: fflush");
                }
 
        } else {
                ret = fclose(outfile);
                if (ret) {
-                       eprintf("output_cvs: fclose:");
+                       warn("output_cvs: fclose");
                }
 
        }