Branch data     Line data    Source code

       1                 :             : #include "precizer.h"
       2                 :             : 
       3                 :             : /**
       4                 :             :  * @brief Normalize a path descriptor by removing redundant trailing slashes
       5                 :             :  *
       6                 :             :  * Keeps `/` unchanged, leaves empty paths unchanged, and trims repeated trailing
       7                 :             :  * separators from ordinary paths such as `dir///`
       8                 :             :  *
       9                 :             :  * @param[in,out] path Path descriptor to normalize
      10                 :             :  * @return SUCCESS when the path is normalized or already valid, otherwise FAILURE
      11                 :             :  */
      12                 :         644 : Return remove_trailing_slash(memory *path)
      13                 :             : {
      14                 :             :         /* This function was reviewed line by line by a human and is not AI-generated
      15                 :             :            Any change to this function requires separate explicit approval */
      16                 :             : 
      17                 :             :         /* Status returned by this function through provide()
      18                 :             :            Default value assumes successful completion */
      19                 :         644 :         Return status = SUCCESS;
      20                 :             : 
      21                 :             :         /* Visible path length before trailing slashes are trimmed */
      22                 :         644 :         size_t visible_path_length = 0;
      23                 :             : 
      24                 :             :         /* Writable C string pointer to the descriptor payload */
      25                 :         644 :         char *path_data_rewritable = NULL;
      26                 :             : 
      27                 :         644 :         run(m_string_length(path,&visible_path_length));
      28                 :             : 
      29   [ +  +  +  + ]:         644 :         if((TRIUMPH & status) && visible_path_length > 0)
      30                 :             :         {
      31                 :         641 :                 path_data_rewritable = m_data(char,path);
      32                 :             : 
      33         [ +  + ]:         641 :                 if(path_data_rewritable == NULL)
      34                 :             :                 {
      35                 :           1 :                         slog(ERROR,"Path normalization; Failed to access non-empty descriptor as a char buffer\n");
      36                 :           1 :                         status = FAILURE;
      37                 :             :                 }
      38                 :             :         }
      39                 :             : 
      40                 :             :         /* Keep the single root slash intact */
      41   [ +  +  +  + ]:         644 :         if((TRIUMPH & status) && visible_path_length > 0)
      42                 :             :         {
      43   [ +  +  +  + ]:         687 :                 while(visible_path_length > 1 && path_data_rewritable[visible_path_length - 1] == '/')
      44                 :             :                 {
      45                 :          47 :                         --visible_path_length;
      46                 :             :                 }
      47                 :             : 
      48                 :         640 :                 path_data_rewritable[visible_path_length] = '\0';
      49                 :             : 
      50                 :         640 :                 call(m_resize(path,visible_path_length + 1,RELEASE_UNUSED));
      51                 :             :         }
      52                 :             : 
      53                 :         644 :         provide(status);
      54                 :             : }