LCOV - code coverage report
Current view: top level - src - match_regexp.c (source / functions) Coverage Total Hit
Test: coverage.info Lines: 90.9 % 22 20
Test Date: 2026-07-12 01:01:34 Functions: 100.0 % 1 1
Branches: 91.7 % 12 11

             Branch data     Line data    Source code
       1                 :             : #include "precizer.h"
       2                 :             : 
       3                 :             : /**
       4                 :             :  * @brief Match one relative path against a compiled PCRE2 pattern
       5                 :             :  *
       6                 :             :  * @param[in] compiled_pattern Pre-compiled PCRE2 pattern
       7                 :             :  * @param[in] relative_path Relative path to check
       8                 :             :  * @return MATCH, NOT_MATCH, or REGEXP_ERROR
       9                 :             :  */
      10                 :        7124 : REGEXP match_regexp(
      11                 :             :         pcre2_code   *compiled_pattern,
      12                 :             :         const memory *relative_path)
      13                 :             : {
      14   [ +  +  +  + ]:        7124 :         if(compiled_pattern == NULL || relative_path == NULL)
      15                 :             :         {
      16                 :           2 :                 return(REGEXP_ERROR);
      17                 :             :         }
      18                 :             : 
      19                 :        7122 :         size_t path_length = 0;
      20                 :             : 
      21         [ +  + ]:        7122 :         if(SUCCESS != m_string_length(relative_path,&path_length))
      22                 :             :         {
      23                 :           1 :                 return(REGEXP_ERROR);
      24                 :             :         }
      25                 :             : 
      26                 :        7121 :         const char *runtime_relative_path = m_text(relative_path);
      27                 :             : 
      28                 :        7121 :         const unsigned char *path_as_pcre2_subject = (const unsigned char *)runtime_relative_path;
      29                 :        7121 :         uint32_t match_options = 0;
      30                 :             : 
      31                 :        7121 :         pcre2_match_data *match_data = pcre2_match_data_create_from_pattern(compiled_pattern,NULL);
      32                 :             : 
      33         [ -  + ]:        7121 :         if(match_data == NULL)
      34                 :             :         {
      35                 :           0 :                 slog(ERROR,"PCRE2 failed to allocate match data for path: %s\n",runtime_relative_path);
      36                 :           0 :                 return(REGEXP_ERROR);
      37                 :             :         }
      38                 :             : 
      39                 :        7121 :         int match_result = pcre2_match(compiled_pattern,path_as_pcre2_subject,path_length,0,match_options,match_data,NULL);
      40                 :             : 
      41                 :        7121 :         pcre2_match_data_free(match_data);
      42                 :             : 
      43         [ +  + ]:        7121 :         if(match_result > 0)
      44                 :             :         {
      45                 :        1004 :                 return(MATCH);
      46                 :             :         }
      47                 :             : 
      48         [ +  + ]:        6117 :         if(match_result == PCRE2_ERROR_NOMATCH)
      49                 :             :         {
      50                 :        6116 :                 return(NOT_MATCH);
      51                 :             :         }
      52                 :             : 
      53                 :             :         /* match_result == 0: ovector too small (should not happen with create_from_pattern)
      54                 :             :            match_result < 0 and not NOMATCH: other PCRE2 error */
      55                 :             :         PCRE2_UCHAR8 error_message_buffer[MAX_CHARACTERS];
      56                 :             : 
      57                 :           1 :         pcre2_get_error_message(match_result,error_message_buffer,MAX_CHARACTERS);
      58                 :             : 
      59                 :           1 :         slog(ERROR,"PCRE2 match error %d: %s for path: %s\n",match_result,error_message_buffer,runtime_relative_path);
      60                 :             : 
      61                 :           1 :         return(REGEXP_ERROR);
      62                 :             : }
        

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