X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fcommon.h;h=7b9fa0ac658b3cbb33c9498316f6152c3c2b8268;hb=9988d61c84dfff5d04ddf48f4b93f6c9449cdc41;hp=85db3adb35faf5981477b1dd90179f6aaffa9c6b;hpb=c01301e8a69b8d53b06b522b107c97dcb65093ad;p=collectd.git diff --git a/src/common.h b/src/common.h index 85db3adb..7b9fa0ac 100644 --- a/src/common.h +++ b/src/common.h @@ -1,6 +1,6 @@ /** * collectd - src/common.h - * Copyright (C) 2005-2008 Florian octo Forster + * Copyright (C) 2005-2009 Florian octo Forster * * 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 the @@ -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 @@ -158,10 +158,50 @@ int strjoin (char *dst, size_t dst_len, char **fields, size_t fields_num, const */ int escape_slashes (char *buf, int buf_len); +/* + * NAME + * replace_special + * + * DESCRIPTION + * Replaces any special characters (anything that's not alpha-numeric or a + * dash) with an underscore. + * + * E.g. "foo$bar&" would become "foo_bar_". + * + * PARAMETERS + * `buffer' String to be handled. + * `buffer_size' Length of the string. The function returns after + * encountering a null-byte or reading this many bytes. + */ +void replace_special (char *buffer, size_t buffer_size); + 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 -> + * \n -> + * \r -> + * + * 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 @@ -182,6 +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 @@ -189,8 +236,10 @@ int get_kstat (kstat_t **ksp_ptr, char *module, int instance, char *name); long long get_kstat_value (kstat_t *ksp, char *name); #endif +#ifndef HAVE_HTONLL unsigned long long ntohll (unsigned long long n); unsigned long long htonll (unsigned long long n); +#endif #if FP_LAYOUT_NEED_NOTHING # define ntohd(d) (d) @@ -206,13 +255,14 @@ int format_name (char *ret, int ret_len, const char *hostname, const char *plugin, const char *plugin_instance, const char *type, const char *type_instance); -#define FORMAT_VL(ret, ret_len, vl, ds) \ +#define FORMAT_VL(ret, ret_len, vl) \ format_name (ret, ret_len, (vl)->host, (vl)->plugin, (vl)->plugin_instance, \ - (ds)->type, (vl)->type_instance) + (vl)->type, (vl)->type_instance) int parse_identifier (char *str, char **ret_host, char **ret_plugin, char **ret_plugin_instance, char **ret_type, char **ret_type_instance); +int parse_value (const char *value, value_t *ret_value, int ds_type); int parse_values (char *buffer, value_list_t *vl, const data_set_t *ds); #if !HAVE_GETPWNAM_R @@ -237,4 +287,8 @@ int read_file_contents (const char *filename, char *buf, int bufsize); counter_t counter_diff (counter_t old_value, counter_t new_value); +/* Converts a service name (a string) to a port number + * (in the range [1-65535]). Returns less than zero on error. */ +int service_name_to_port_number (const char *service_name); + #endif /* COMMON_H */