silentbob/silent_bob-1.2/src/sblib/ww_begin_offset.cpp

   1 /*
   2  * (c) Oleg Puchinin 2006.
   3  * graycardinalster@gmail.com
   4  *
   5  */
   6
   7 #include "../head.h"
   8 #include "../the_tt.h"
   9
  10 char * ww_begin_offset (struct tt_state_t * d_tt_state, char *d_out, int d_offset)
  11 {
  12         char *S = &d_tt_state->d_file_in [d_offset] - 1;
  13         char * d_real = &d_out[strlen (d_out)] - 1;
  14
  15         while (d_real != d_out) {
  16                 if (*d_real == ' ' || *d_real == '\t') {
  17                         while (*S == ' ' || *S == '\t')
  18                                 S--;
  19
  20                         while ((*d_real == ' ' || *d_real == '\t')
  21                                         && (d_real != d_out))
  22                                 --d_real;
  23
  24                         continue;
  25                 }
  26
  27                 if (*S == *d_real)
  28                         --d_real;
  29
  30                 --S;
  31         }
  32
  33         return S;
  34 }
  35