| 1 | |
| 2 | #ifndef NETDATA_STRING_H |
| 3 | #define NETDATA_STRING_H 1 |
| 4 | |
| 5 | #include "../libnetdata.h" |
| 6 | |
| 7 | // ---------------------------------------------------------------------------- |
| 8 | // STRING implementation |
| 9 | |
| 10 | typedef struct netdata_string STRING; |
| 11 | |
| 12 | STRING *string_strdupz(const char *str); |
| 13 | STRING *string_strndupz(const char *str, size_t len); |
| 14 | |
| 15 | STRING *string_dup(STRING *string); |
| 16 | void string_freez(STRING *string); |
| 17 | size_t string_strlen(const STRING *string); |
| 18 | const char *string2str(const STRING *string) NEVERNULL; |
| 19 | bool string_ends_with_string(const STRING *whole, const STRING *end); |
| 20 | bool string_starts_with_string(const STRING *whole, const STRING *end); |
| 21 | bool string_ends_with_string_nocase(const STRING *whole, const STRING *end); |
| 22 | bool string_starts_with_string_nocase(const STRING *whole, const STRING *prefix); |
| 23 | bool string_equals_string_nocase(const STRING *a, const STRING *b); |
| 24 | size_t string_destroy(void); |
| 25 | |
| 26 | // keep common prefix/suffix and replace everything else with [x] |
| 27 | STRING *string_2way_merge(STRING *a, STRING *b); |
| 28 | |
| 29 | static inline int string_cmp(STRING *s1, STRING *s2) { |
| 30 | // STRINGs are deduplicated, so the same strings have the same pointer |
| 31 | // when they differ, we do the typical strcmp() comparison |
| 32 | return (s1 == s2)?0:strcmp(string2str(s1), string2str(s2)); |
| 33 | } |
| 34 | |
| 35 | static inline int string_strcmp(STRING *string, const char *s) { |
| 36 | return strcmp(string2str(string), s); |
| 37 | } |
| 38 | |
| 39 | static inline int string_strncmp(STRING *string, const char *s, size_t n) { |
| 40 | return strncmp(string2str(string), s, n); |
| 41 | } |
| 42 | |
| 43 | void string_statistics(size_t *inserts, size_t *deletes, size_t *searches, size_t *entries, size_t *references, size_t *memory, size_t *memory_index, size_t *duplications, size_t *releases); |
| 44 | |
| 45 | int string_unittest(size_t entries); |
| 46 | |
| 47 | void string_init(void); |
| 48 | |
| 49 | static inline void cleanup_string_pp(STRING **stringpp) { |
| 50 | if(stringpp) |
| 51 | string_freez(*stringpp); |
| 52 | } |
| 53 | |
| 54 | #define CLEAN_STRING _cleanup_(cleanup_string_pp) STRING |
| 55 | |
| 56 | #endif |