X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fcommon.h;h=d0cc4e829b59a2bf895248ac8bf7664b727e655e;hb=bc51ef217e871b80152eccd4e5f32659500f75f3;hp=5b9f02cc4d8b1fbdda48fa22f7cf152f9da71dd5;hpb=aec55dfa7f94fd4ff99cec0767e6ffed93a21339;p=collectd.git

diff --git a/src/common.h b/src/common.h
index 5b9f02cc..d0cc4e82 100644
--- a/src/common.h
+++ b/src/common.h
@@ -98,7 +98,7 @@ ssize_t swrite (int fd, const void *buf, size_t count);
  *
  * DESCRIPTION
  *   Splits a string into parts and stores pointers to the parts in `fields'.
- *   The characters split at are ` ' (space) and "\t" (tab).
+ *   The characters split at are: " ", "\t", "\r", and "\n".
  *
  * PARAMETERS
  *   `string'      String to split. This string will be modified. `fields' will
@@ -179,6 +179,29 @@ int strsubstitute (char *str, char c_from, char c_to);
 
 /*
  * NAME
+ *   strunescape
+ *
+ * DESCRIPTION
+ *   Replaces any escaped characters in a string with the appropriate special
+ *   characters. The following escaped characters are recognized:
+ *
+ *     \t -> <tab>
+ *     \n -> <newline>
+ *     \r -> <carriage return>
+ *
+ *   For all other escacped characters only the backslash will be removed.
+ *
+ * PARAMETERS
+ *   `buf'         String to be unescaped.
+ *   `buf_len'     Length of the string, including the terminating null-byte.
+ *
+ * RETURN VALUE
+ *   Returns zero upon success, a value less than zero else.
+ */
+int strunescape (char *buf, size_t buf_len);
+
+/*
+ * NAME
  *   timeval_cmp
  *
  * DESCRIPTION
@@ -199,6 +222,13 @@ int timeval_cmp (struct timeval tv0, struct timeval tv1, struct timeval *delta);
 		(tv).tv_usec = (tv).tv_usec % 1000000; \
 	} while (0)
 
+/* make sure tv_sec stores less than a second */
+#define NORMALIZE_TIMESPEC(tv) \
+	do { \
+		(tv).tv_sec += (tv).tv_nsec / 1000000000; \
+		(tv).tv_nsec = (tv).tv_nsec % 1000000000; \
+	} while (0)
+
 int check_create_dir (const char *file_orig);
 
 #ifdef HAVE_LIBKSTAT