X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fdaemon%2Fcommon.h;h=afd292a3d9b5a31bc91200b59694eb57ab2aac62;hb=be126043c2be20399d7670fe194645292018bde0;hp=a88e73e00de860a61b6e41b7bf3992b01eb38f9b;hpb=2079ee1517e34de372f58e7e2267ad5c71a8a41f;p=collectd.git diff --git a/src/daemon/common.h b/src/daemon/common.h index a88e73e0..afd292a3 100644 --- a/src/daemon/common.h +++ b/src/daemon/common.h @@ -66,9 +66,6 @@ typedef struct value_to_rate_state_s value_to_rate_state_t; char *sstrncpy(char *dest, const char *src, size_t n); -__attribute__((format(printf, 3, 4))) int ssnprintf(char *dest, size_t n, - const char *format, ...); - __attribute__((format(printf, 1, 2))) char *ssnprintf_alloc(char const *format, ...); @@ -145,10 +142,12 @@ int strsplit(char *string, char **fields, size_t size); * is equivalent to the Perl built-in `join'. * * PARAMETERS - * `dst' Buffer where the result is stored. + * `dst' Buffer where the result is stored. Can be NULL if you need to + * determine the required buffer size only. * `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. + * including the trailing null-byte. Must be zero if dst is + * NULL. * `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'. @@ -156,9 +155,10 @@ int strsplit(char *string, char **fields, size_t size); * 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 occurred (empty array or `dst' too small) a value - * smaller than zero will be returned. + * Returns the number of characters in the resulting string, excluding a + * tailing null byte. If this value is greater than or equal to "dst_len", the + * result in "dst" is truncated (but still null terminated). On error a + * negative value is returned. */ int strjoin(char *dst, size_t dst_len, char **fields, size_t fields_num, const char *sep); @@ -314,11 +314,17 @@ int format_values(char *ret, size_t ret_len, const data_set_t *ds, int parse_identifier(char *str, char **ret_host, char **ret_plugin, char **ret_plugin_instance, char **ret_type, - char **ret_type_instance); + char **ret_type_instance, char *default_host); int parse_identifier_vl(const char *str, value_list_t *vl); 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); +/* parse_value_file reads "path" and parses its content as an integer or + * floating point, depending on "ds_type". On success, the value is stored in + * "ret_value" and zero is returned. On failure, a non-zero value is returned. + */ +int parse_value_file(char const *path, value_t *ret_value, int ds_type); + #if !HAVE_GETPWNAM_R int getpwnam_r(const char *name, struct passwd *pwbuf, char *buf, size_t buflen, struct passwd **pwbufp); @@ -376,7 +382,7 @@ void strarray_free(char **array, size_t array_len); * argument. Returns zero if it does, less than zero if it doesn't or on error. * See capabilities(7) for the list of possible capabilities. * */ -int check_capability(int capability); +int check_capability(int arg); #endif /* HAVE_SYS_CAPABILITY_H */ #endif /* COMMON_H */