Moved remove_special() from the bind plugin to the "common" module.

[collectd.git] / src / common.c

diff --git a/src/common.c b/src/common.c
index aeea28d..3ec4c6e 100644 (file)
--- a/src/common.c
+++ b/src/common.c
@@ -347,28 +347,69 @@ int escape_slashes (char *buf, int buf_len)
        return (0);
 } /* int escape_slashes */
 
-int timeval_sub_timespec (struct timeval *tv0, struct timeval *tv1, struct timespec *ret)
+void replace_special (char *buffer, size_t buffer_size)
 {
-       if ((tv0 == NULL) || (tv1 == NULL) || (ret == NULL))
-               return (-2);
+       size_t i;
 
-       if ((tv0->tv_sec < tv1->tv_sec)
-                       || ((tv0->tv_sec == tv1->tv_sec) && (tv0->tv_usec < tv1->tv_usec)))
-               return (-1);
+       for (i = 0; i < buffer_size; i++)
+       {
+               if (buffer[i] == 0)
+                       return;
+               if ((!isalnum ((int) buffer[i])) && (buffer[i] != '-'))
+                       buffer[i] = '_';
+       }
+} /* void replace_special */
+
+int timeval_cmp (struct timeval tv0, struct timeval tv1, struct timeval *delta)
+{
+       struct timeval *larger;
+       struct timeval *smaller;
 
-       ret->tv_sec  = tv0->tv_sec - tv1->tv_sec;
-       ret->tv_nsec = 1000 * ((long) (tv0->tv_usec - tv1->tv_usec));
+       int status;
+
+       NORMALIZE_TIMEVAL (tv0);
+       NORMALIZE_TIMEVAL (tv1);
+
+       if ((tv0.tv_sec == tv1.tv_sec) && (tv0.tv_usec == tv1.tv_usec))
+       {
+               if (delta != NULL) {
+                       delta->tv_sec  = 0;
+                       delta->tv_usec = 0;
+               }
+               return (0);
+       }
 
-       if (ret->tv_nsec < 0)
+       if ((tv0.tv_sec < tv1.tv_sec)
+                       || ((tv0.tv_sec == tv1.tv_sec) && (tv0.tv_usec < tv1.tv_usec)))
        {
-               assert (ret->tv_sec > 0);
+               larger  = &tv1;
+               smaller = &tv0;
+               status  = -1;
+       }
+       else
+       {
+               larger  = &tv0;
+               smaller = &tv1;
+               status  = 1;
+       }
+
+       if (delta != NULL) {
+               delta->tv_sec = larger->tv_sec - smaller->tv_sec;
 
-               ret->tv_nsec += 1000000000;
-               ret->tv_sec  -= 1;
+               if (smaller->tv_usec <= larger->tv_usec)
+                       delta->tv_usec = larger->tv_usec - smaller->tv_usec;
+               else
+               {
+                       --delta->tv_sec;
+                       delta->tv_usec = 1000000 + larger->tv_usec - smaller->tv_usec;
+               }
        }
 
-       return (0);
-}
+       assert ((delta == NULL)
+                       || ((0 <= delta->tv_usec) && (delta->tv_usec < 1000000)));
+
+       return (status);
+} /* int timeval_cmp */
 
 int check_create_dir (const char *file_orig)
 {
@@ -383,7 +424,7 @@ int check_create_dir (const char *file_orig)
        char *saveptr;
        int   last_is_file = 1;
        int   path_is_absolute = 0;
-       int   len;
+       size_t len;
        int   i;
 
        /*