Arithmetic comparisons to be same way around

In writing arithmetic comparisons, use "<" and "<=" rather than
">" and ">=". For some justification, read this:

http://thread.gmane.org/gmane.comp.version-control.git/3903/focus=4126

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

diff --git a/src/analyze.c b/src/analyze.c
index 7a31699..c46d595 100644 (file)
--- a/src/analyze.c
+++ b/src/analyze.c
@@ -61,7 +61,7 @@ int prepare_data(void)
              &rangecomp);
 
        /* Sort backups */
-       if (num_backups > 0) {
+       if (0 < num_backups) {
                qsort(backups, (size_t) num_backups, sizeof(long int),
                      &intcomp);
        }
@@ -81,9 +81,9 @@ int do_counting(void)
        /* Walk through ranges */
        for (k = 0; k < num_ranges; k++) {
                /* Count IPs in use */
-               for (; range_p->last_ip > leases[i]
+               for (; leases[i] < range_p->last_ip
                     && (unsigned long) i < num_leases; i++) {
-                       if (range_p->first_ip > leases[i]) {
+                       if (leases[i] < range_p->first_ip) {
                                continue;
                        }
                        /* IP with in range */
@@ -94,9 +94,9 @@ int do_counting(void)
                }
 
                /* Count touched IPs */
-               for (; range_p->last_ip > touches[j]
+               for (; touches[j] < range_p->last_ip
                     && (unsigned long) j < num_touches; j++) {
-                       if (range_p->first_ip > touches[j]) {
+                       if (touches[j] < range_p->first_ip) {
                                continue;
                        }
                        /* IP with in range */
@@ -107,10 +107,10 @@ int do_counting(void)
                }
 
                /* Count backup IPs */
-               if (num_backups > 0) {
-                       for (; range_p->last_ip > backups[m]
+               if (0 < num_backups) {
+                       for (; backups[m] < range_p->last_ip
                             && (unsigned long) m < num_touches; m++) {
-                               if (range_p->first_ip > touches[m]) {
+                               if (touches[m] < range_p->first_ip) {
                                        continue;
                                }
                                /* IP with in range */

diff --git a/src/dhcpd-pools.c b/src/dhcpd-pools.c
index 717743d..78a6ce0 100644 (file)
--- a/src/dhcpd-pools.c
+++ b/src/dhcpd-pools.c
@@ -140,7 +140,7 @@ int main(int argc, char **argv)
                        /* Output sorting option */
                        if (optarg != NULL) {
                                sorts = strlen(optarg);
-                               if (sorts > 5) {
+                               if (5 < sorts) {
                                        eprintf
                                            ("main: only 5 first sort orders will be used");
                                        strncpy(config.sort, optarg,

diff --git a/src/getdata.c b/src/getdata.c
index 0356649..2fc1f5f 100644 (file)
--- a/src/getdata.c
+++ b/src/getdata.c
@@ -1,5 +1,5 @@
 /*
-** Copyright (C) 2006- Sami Kerola <   >
+** Copyright (C) 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
@@ -146,9 +146,9 @@ int parse_leases(void)
                        };
                }
 
-               if ((num_leases > leasesmallocsize) ||
-                   (num_touches > touchesmallocsize) ||
-                   (num_backups > backupsmallocsize)) {
+               if ((leasesmallocsize < num_leases) ||
+                   (touchesmallocsize < num_touches) ||
+                   (backupsmallocsize < num_backups)) {
                        printf("WARNING: running out of memory\n");
                        printf("\tlease/touch/backup = %lu/%lu/%lu\n",
                               leasesmallocsize, touchesmallocsize,
@@ -350,7 +350,7 @@ char *parse_config(int is_include, char *config_file,
                        i++;
                        /* Long word which is almost causing overflow. Not any of words
                         * this program is looking for are this long. */
-                       if (i > MAXLEN) {
+                       if (MAXLEN < i) {
                                newclause = false;
                                i = 0;
                                continue;
@@ -414,7 +414,7 @@ char *parse_config(int is_include, char *config_file,
                                range_p->backups = 0;
                                range_p->shared_net = shared_p;
                                num_ranges++;
-                               if (num_ranges > RANGES) {
+                               if (RANGES < num_ranges) {
                                        eprintf
                                            ("parse_config: Range space full! Increase RANGES and recompile.");
                                        exit(EXIT_FAILURE);
@@ -435,7 +435,8 @@ char *parse_config(int is_include, char *config_file,
                                /* printf ("include file: %s\n", word); */
                                argument = 0;
                                next_free_shared_name =
-                                   parse_config(false, word, current_shared_name,
+                                   parse_config(false, word,
+                                                current_shared_name,
                                                 next_free_shared_name,
                                                 shared_p);
                                newclause = true;

diff --git a/src/output.c b/src/output.c
index 22a67a4..613078d 100644 (file)
--- a/src/output.c
+++ b/src/output.c
@@ -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) /
@@ -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",
@@ -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) /

diff --git a/src/sort.c b/src/sort.c
index 6c5ae58..ff6db69 100644 (file)
--- a/src/sort.c
+++ b/src/sort.c
@@ -135,7 +135,7 @@ int get_order(struct range_t *left, struct range_t *right)
                        ret =
                            strcmp(left->shared_net->name,
                                   right->shared_net->name);
-                       if (ret > 0) {
+                       if (0 < ret) {
                                return (0);
                        } else if (ret < 0) {
                                return (1);
@@ -170,7 +170,7 @@ void mergesort_ranges(struct range_t *orig, int size, struct range_t *temp)
        if (size < MIN_MERGE_SIZE) {
                for (left = 0; left < size; left++) {
                        hold = *(orig + left);
-                       for (right = left - 1; right >= 0; right--) {
+                       for (right = left - 1; 0 <= right; right--) {
                                if (get_order((orig + right), &hold)) {
                                        break;
                                }