/**
* collectd - src/common.h
- * Copyright (C) 2005 Florian octo Forster
+ * Copyright (C) 2005,2006 Florian octo Forster
*
* This program is free software; you can redistribute it and/
* or modify it under the terms of the GNU General Public Li-
char *sstrdup(const char *s);
void *smalloc(size_t size);
+/*
+ * NAME
+ * sread
+ *
+ * DESCRIPTION
+ * Reads exactly `n' bytes or failes. Syntax and other behavior is analogous
+ * to `read(2)'. If EOF is received the file descriptor is closed and an
+ * error is returned.
+ *
+ * PARAMETERS
+ * `fd' File descriptor to write to.
+ * `buf' Buffer that is to be written.
+ * `count' Numver of bytes in the buffer.
+ *
+ * RETURN VALUE
+ * Zero upon success or non-zero if an error occured. `errno' is set in this
+ * case.
+ */
+ssize_t sread (int fd, void *buf, size_t count);
+
+/*
+ * NAME
+ * swrite
+ *
+ * DESCRIPTION
+ * Writes exactly `n' bytes or failes. Syntax and other behavior is analogous
+ * to `write(2)'.
+ *
+ * PARAMETERS
+ * `fd' File descriptor to write to.
+ * `buf' Buffer that is to be written.
+ * `count' Numver of bytes in the buffer.
+ *
+ * RETURN VALUE
+ * Zero upon success or non-zero if an error occured. `errno' is set in this
+ * case.
+ */
+ssize_t swrite (int fd, const void *buf, size_t count);
+
+/*
+ * NAME
+ * strsplit
+ *
+ * DESCRIPTION
+ * Splits a string into parts and stores pointers to the parts in `fields'.
+ * The characters split at are ` ' (space) and "\t" (tab).
+ *
+ * PARAMETERS
+ * `string' String to split. This string will be modified. `fields' will
+ * contain pointers to parts of this string, so free'ing it
+ * will destroy `fields' as well.
+ * `fields' Array of strings where pointers to the parts will be stored.
+ * `size' Number of elements in the array. No more than `size'
+ * pointers will be stored in `fields'.
+ *
+ * RETURN VALUE
+ * Returns the number of parts stored in `fields'.
+ */
int strsplit (char *string, char **fields, size_t size);
-int rrd_update_file (char *host, char *file, char *values, char **ds_def,
- int ds_num);
+/*
+ * NAME
+ * strjoin
+ *
+ * DESCRIPTION
+ * Joins together several parts of a string using `sep' as a seperator. This
+ * is equipollent to the perl buildin `join'.
+ *
+ * PARAMETERS
+ * `dst' Buffer where the result is stored.
+ * `dst_len' Length of the destination buffer. No more than this many
+ * bytes will be written to the memory pointed to by `dst',
+ * including the trailing null-byte.
+ * `fields' Array of strings to be joined.
+ * `fields_num' Number of elements in the `fields' array.
+ * `sep' String to be inserted between any two elements of `fields'.
+ * This string is neither prepended nor appended to the result.
+ * Instead of passing "" (empty string) one can pass NULL.
+ *
+ * RETURN VALUE
+ * Returns the number of characters in `dst', NOT including the trailing
+ * null-byte. If an error occured (empty array or `dst' too small) a value
+ * smaller than zero will be returned.
+ */
+int strjoin (char *dst, size_t dst_len, char **fields, size_t fields_num, const char *sep);
+
+/*
+ * NAME
+ * escape_slashes
+ *
+ * DESCRIPTION
+ * Removes slashes from the string `buf' and substitutes them with something
+ * appropriate. This function should be used whenever a path is to be used as
+ * (part of) an instance.
+ *
+ * PARAMETERS
+ * `buf' String to be escaped.
+ * `buf_len' Length of the buffer. No more then this many bytes will be
+ * written to `buf', including the trailing null-byte.
+ *
+ * RETURN VALUE
+ * Returns zero upon success and a value smaller than zero upon failure.
+ */
+int escape_slashes (char *buf, int buf_len);
+
+/* FIXME: `timeval_sub_timespec' needs a description */
+int timeval_sub_timespec (struct timeval *tv0, struct timeval *tv1, struct timespec *ret);
+
+int rrd_update_file (char *host, char *file, char *values,
+ char **ds_def, int ds_num);
#ifdef HAVE_LIBKSTAT
int get_kstat (kstat_t **ksp_ptr, char *module, int instance, char *name);