src/shared/pcre2-util.h

   1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
   2 #pragma once
   3
   4 #include "hash-funcs.h"
   5 #include "macro.h"
   6
   7 #if HAVE_PCRE2
   8
   9 #include "dlfcn-util.h"
  10
  11 #define PCRE2_CODE_UNIT_WIDTH 8
  12 #include <pcre2.h>
  13
  14 DLSYM_PROTOTYPE(pcre2_match_data_create);
  15 DLSYM_PROTOTYPE(pcre2_match_data_free);
  16 DLSYM_PROTOTYPE(pcre2_code_free);
  17 DLSYM_PROTOTYPE(pcre2_compile);
  18 DLSYM_PROTOTYPE(pcre2_get_error_message);
  19 DLSYM_PROTOTYPE(pcre2_match);
  20 DLSYM_PROTOTYPE(pcre2_get_ovector_pointer);
  21
  22 DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(pcre2_match_data*, sym_pcre2_match_data_free, NULL);
  23 DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(pcre2_code*, sym_pcre2_code_free, NULL);
  24 #else
  25
  26 typedef struct {} pcre2_code;
  27
  28 #endif
  29
  30 extern const struct hash_ops pcre2_code_hash_ops_free;
  31
  32 typedef enum {
  33         PATTERN_COMPILE_CASE_AUTO,
  34         PATTERN_COMPILE_CASE_SENSITIVE,
  35         PATTERN_COMPILE_CASE_INSENSITIVE,
  36         _PATTERN_COMPILE_CASE_MAX,
  37         _PATTERN_COMPILE_CASE_INVALID = -EINVAL,
  38 } PatternCompileCase;
  39
  40 int pattern_compile_and_log(const char *pattern, PatternCompileCase case_, pcre2_code **ret);
  41 int pattern_matches_and_log(pcre2_code *compiled_pattern, const char *message, size_t size, size_t *ret_ovec);
  42 void *pattern_free(pcre2_code *p);
  43
  44 DEFINE_TRIVIAL_CLEANUP_FUNC(pcre2_code*, pattern_free);
  45
  46 int dlopen_pcre2(void);