plugins/utils: Use C99 booleans

2 files changed, 61 insertions, 81 deletions

diff --git a/plugins/utils.c b/plugins/utils.c
index 71c0bdd..7e14b6e 100644
--- a/plugins/utils.c
+++ b/plugins/utils.c
@@ -147,98 +147,80 @@ print_revision (const char *command_name, const char *revision)
                  command_name, revision, PACKAGE, VERSION);
 }
 
-int
-is_numeric (char *number)
-{
+bool is_numeric (char *number) {
         char tmp[1];
         float x;
 
         if (!number)
-                return FALSE;
+                return false;
         else if (sscanf (number, "%f%c", &x, tmp) == 1)
-                return TRUE;
+                return true;
         else
-                return FALSE;
+                return false;
 }
 
-int
-is_positive (char *number)
-{
+bool is_positive (char *number) {
         if (is_numeric (number) && atof (number) > 0.0)
-                return TRUE;
+                return true;
         else
-                return FALSE;
+                return false;
 }
 
-int
-is_negative (char *number)
-{
+bool is_negative (char *number) {
         if (is_numeric (number) && atof (number) < 0.0)
-                return TRUE;
+                return true;
         else
-                return FALSE;
+                return false;
 }
 
-int
-is_nonnegative (char *number)
-{
+bool is_nonnegative (char *number) {
         if (is_numeric (number) && atof (number) >= 0.0)
-                return TRUE;
+                return true;
         else
-                return FALSE;
+                return false;
 }
 
-int
-is_percentage (char *number)
-{
+bool is_percentage (char *number) {
         int x;
         if (is_numeric (number) && (x = atof (number)) >= 0 && x <= 100)
-                return TRUE;
+                return true;
         else
-                return FALSE;
+                return false;
 }
 
-int
-is_integer (char *number)
-{
+bool is_integer (char *number) {
         long int n;
 
         if (!number || (strspn (number, "-0123456789 ") != strlen (number)))
-                return FALSE;
+                return false;
 
         n = strtol (number, NULL, 10);
 
         if (errno != ERANGE && n >= INT_MIN && n <= INT_MAX)
-                return TRUE;
+                return true;
         else
-                return FALSE;
+                return false;
 }
 
-int
-is_intpos (char *number)
-{
+bool is_intpos (char *number) {
         if (is_integer (number) && atoi (number) > 0)
-                return TRUE;
+                return true;
         else
-                return FALSE;
+                return false;
 }
 
-int
-is_intneg (char *number)
-{
+bool is_intneg (char *number) {
         if (is_integer (number) && atoi (number) < 0)
-                return TRUE;
+                return true;
         else
-                return FALSE;
+                return false;
 }
 
-int
-is_intnonneg (char *number)
-{
+bool is_intnonneg (char *number) {
         if (is_integer (number) && atoi (number) >= 0)
-                return TRUE;
+                return true;
         else
-                return FALSE;
+                return false;
 }
 
 /*
@@ -246,19 +228,19 @@ is_intnonneg (char *number)
  * On success the number will be written to the _target_ address, if _target_ is not set
  * to NULL.
  */
-int is_int64(char *number, int64_t *target) {
+bool is_int64(char *number, int64_t *target) {
         errno = 0;
         uint64_t tmp = strtoll(number, NULL, 10);
         if (errno != 0) {
-                return 0;
+                return false;
         }
         if (tmp < INT64_MIN || tmp > INT64_MAX) {
-                return 0;
+                return false;
         }
         if (target != NULL) {
                 *target = tmp;
         }
-        return 1;
+        return true;
 }
 
 /*
@@ -266,40 +248,36 @@ int is_int64(char *number, int64_t *target) {
  * On success the number will be written to the _target_ address, if _target_ is not set
  * to NULL.
  */
-int is_uint64(char *number, uint64_t *target) {
+bool is_uint64(char *number, uint64_t *target) {
         errno = 0;
         uint64_t tmp = strtoll(number, NULL, 10);
         if (errno != 0) {
-                return 0;
+                return false;
         }
         if (tmp < 0 || tmp > UINT64_MAX) {
-                return 0;
+                return false;
         }
         if (target != NULL) {
                 *target = tmp;
         }
-        return 1;
+        return true;
 }
 
-int
-is_intpercent (char *number)
-{
+bool is_intpercent (char *number) {
         int i;
         if (is_integer (number) && (i = atoi (number)) >= 0 && i <= 100)
-                return TRUE;
+                return true;
         else
-                return FALSE;
+                return false;
 }
 
-int
-is_option (char *str)
-{
+bool is_option (char *str) {
         if (!str)
-                return FALSE;
+                return false;
         else if (strspn (str, "-") == 1 || strspn (str, "-") == 2)
-                return TRUE;
+                return true;
         else
-                return FALSE;
+                return false;
 }
 
 #ifdef NEED_GETTIMEOFDAY
diff --git a/plugins/utils.h b/plugins/utils.h
index cb979ce..62e489b 100644
--- a/plugins/utils.h
+++ b/plugins/utils.h
@@ -16,6 +16,8 @@ suite of plugins. */
 /* now some functions etc are being defined in ../lib/utils_base.c */
 #include "utils_base.h"
 
+#include <stdbool.h>
+
 
 #ifdef NP_EXTRA_OPTS
 /* Include extra-opts functions if compiled in */
@@ -34,21 +36,21 @@ extern time_t start_time, end_time;
 
 /* Test input types */
 
-int is_integer (char *);
-int is_intpos (char *);
-int is_intneg (char *);
-int is_intnonneg (char *);
-int is_intpercent (char *);
-int is_uint64(char *number, uint64_t *target);
-int is_int64(char *number, int64_t *target);
-
-int is_numeric (char *);
-int is_positive (char *);
-int is_negative (char *);
-int is_nonnegative (char *);
-int is_percentage (char *);
-
-int is_option (char *);
+bool is_integer (char *);
+bool is_intpos (char *);
+bool is_intneg (char *);
+bool is_intnonneg (char *);
+bool is_intpercent (char *);
+bool is_uint64(char *number, uint64_t *target);
+bool is_int64(char *number, int64_t *target);
+
+bool is_numeric (char *);
+bool is_positive (char *);
+bool is_negative (char *);
+bool is_nonnegative (char *);
+bool is_percentage (char *);
+
+bool is_option (char *);
 
 /* Generalized timer that will do milliseconds if available */
 #ifndef HAVE_STRUCT_TIMEVAL