file_matches

SFL
Version 2.11

`file_matches`

#include "sfldir.h"
Bool
file_matches (
    const char *filename,
    const char *pattern)

Synopsis

Returns TRUE if the filename matches the pattern. The pattern is a character string that can contain these 'wildcard' characters:

Source Code - (sfldir.c)

{
    char
        *pattern_ptr,                   /*  Points to pattern                */
        *filename_ptr;                  /*  Points to filename               */

    filename_ptr = (char *) filename;   /*  Start comparing file name        */
    pattern_ptr  = (char *) pattern;    /*  Start comparing file name        */
    FOREVER
      {
        /*  If we came to the end of the pattern and the filename, we have   */
        /*  successful match.                                                */
        if (*pattern_ptr == '\0' && *filename_ptr == '\0')
            return (TRUE);              /*  Have a match                     */

        /*  Otherwise, end of either is a failed match                       */
        if (*pattern_ptr == '\0' || *filename_ptr == '\0')
            return (FALSE);             /*  Match failed                     */

        /*  If the pattern character is '?', then we matched a char          */
        if (*pattern_ptr == '?'
#if (defined (NAMEFOLD))
        ||  toupper (*pattern_ptr) == toupper (*filename_ptr))
#else
        ||  *pattern_ptr == *filename_ptr)
#endif
          {
            pattern_ptr++;
            filename_ptr++;
          }
        else
        /*  If we have a '*', match as much of the filename as we can        */
        if (*pattern_ptr == '*')
          {
            pattern_ptr++;              /*  Try to match following char      */
            while (*filename_ptr && *filename_ptr != *pattern_ptr)
                filename_ptr++;
          }
        else
            return (FALSE);             /*  Match failed                     */
      }
}

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