X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fcommon.h;h=9e7e4aa39d9319af5c7b3303ac252e8572f8dcbc;hb=b24d793d347f6f6c8b29e25758fa2d925fb7e011;hp=f12b5e4d73b659503e3f7d959e4e1fd4cbba1a3d;hpb=bd66a09b35da21dcb405650ae4587bf2ca811438;p=collectd.git diff --git a/src/common.h b/src/common.h index f12b5e4d..9e7e4aa3 100644 --- a/src/common.h +++ b/src/common.h @@ -1,6 +1,6 @@ /** * collectd - src/common.h - * Copyright (C) 2005-2007 Florian octo Forster + * Copyright (C) 2005-2008 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 @@ -31,14 +31,16 @@ #endif #define sfree(ptr) \ - if((ptr) != NULL) { \ - free(ptr); \ - } \ - (ptr) = NULL + do { \ + if((ptr) != NULL) { \ + free(ptr); \ + } \ + (ptr) = NULL; \ + } while (0) #define STATIC_ARRAY_SIZE(a) (sizeof (a) / sizeof (*(a))) -void sstrncpy(char *d, const char *s, int len); +char *sstrncpy (char *dest, const char *src, size_t n); char *sstrdup(const char *s); void *smalloc(size_t size); char *sstrerror (int errnum, char *buf, size_t buflen); @@ -48,17 +50,17 @@ char *sstrerror (int errnum, char *buf, size_t buflen); * sread * * DESCRIPTION - * Reads exactly `n' bytes or failes. Syntax and other behavior is analogous + * Reads exactly `n' bytes or fails. 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. + * `count' Number of bytes in the buffer. * * RETURN VALUE - * Zero upon success or non-zero if an error occured. `errno' is set in this + * Zero upon success or non-zero if an error occurred. `errno' is set in this * case. */ ssize_t sread (int fd, void *buf, size_t count); @@ -68,16 +70,16 @@ ssize_t sread (int fd, void *buf, size_t count); * swrite * * DESCRIPTION - * Writes exactly `n' bytes or failes. Syntax and other behavior is analogous + * Writes exactly `n' bytes or fails. 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. + * `count' Number of bytes in the buffer. * * RETURN VALUE - * Zero upon success or non-zero if an error occured. `errno' is set in this + * Zero upon success or non-zero if an error occurred. `errno' is set in this * case. */ ssize_t swrite (int fd, const void *buf, size_t count); @@ -108,8 +110,8 @@ int strsplit (char *string, char **fields, size_t size); * strjoin * * DESCRIPTION - * Joins together several parts of a string using `sep' as a seperator. This - * is equipollent to the perl buildin `join'. + * Joins together several parts of a string using `sep' as a separator. This + * is equivalent to the Perl built-in `join'. * * PARAMETERS * `dst' Buffer where the result is stored. @@ -124,7 +126,7 @@ int strsplit (char *string, char **fields, size_t size); * * 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 + * null-byte. If an error occurred (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); @@ -163,6 +165,16 @@ long long get_kstat_value (kstat_t *ksp, char *name); unsigned long long ntohll (unsigned long long n); unsigned long long htonll (unsigned long long n); +#if FP_LAYOUT_NEED_NOTHING +# define ntohd(d) (d) +# define htond(d) (d) +#elif FP_LAYOUT_NEED_ENDIANFLIP || FP_LAYOUT_NEED_INTSWAP +double ntohd (double d); +double htond (double d); +#else +# error "Don't know how to convert between host and network representation of doubles." +#endif + int format_name (char *ret, int ret_len, const char *hostname, const char *plugin, const char *plugin_instance, @@ -181,4 +193,12 @@ int getpwnam_r (const char *name, struct passwd *pwbuf, char *buf, size_t buflen, struct passwd **pwbufp); #endif +int notification_init (notification_t *n, int severity, const char *message, + const char *host, + const char *plugin, const char *plugin_instance, + const char *type, const char *type_instance); +#define NOTIFICATION_INIT_VL(n, vl, ds) \ + notification_init (n, NOTIF_FAILURE, NULL, \ + (vl)->host, (vl)->plugin, (vl)->plugin_instance, \ + (ds)->type, (vl)->type_instance) #endif /* COMMON_H */