Setup the input buffer state to scan directly from a user-specified character buffer. * @param base the character buffer * @param size the size in bytes of the character buffer * * @return the newly allocated buffer state object. */
| 3653 | * @return the newly allocated buffer state object. |
| 3654 | */ |
| 3655 | YY_BUFFER_STATE yy_scan_buffer (char * base, yy_size_t size ) |
| 3656 | { |
| 3657 | YY_BUFFER_STATE b; |
| 3658 | |
| 3659 | if ( size < 2 || |
| 3660 | base[size-2] != YY_END_OF_BUFFER_CHAR || |
| 3661 | base[size-1] != YY_END_OF_BUFFER_CHAR ) |
| 3662 | /* They forgot to leave room for the EOB's. */ |
| 3663 | return NULL; |
| 3664 | |
| 3665 | b = (YY_BUFFER_STATE) yyalloc( sizeof( struct yy_buffer_state ) ); |
| 3666 | if ( ! b ) |
| 3667 | YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" ); |
| 3668 | |
| 3669 | b->yy_buf_size = (int) (size - 2); /* "- 2" to take care of EOB's */ |
| 3670 | b->yy_buf_pos = b->yy_ch_buf = base; |
| 3671 | b->yy_is_our_buffer = 0; |
| 3672 | b->yy_input_file = NULL; |
| 3673 | b->yy_n_chars = b->yy_buf_size; |
| 3674 | b->yy_is_interactive = 0; |
| 3675 | b->yy_at_bol = 1; |
| 3676 | b->yy_fill_buffer = 0; |
| 3677 | b->yy_buffer_status = YY_BUFFER_NEW; |
| 3678 | |
| 3679 | yy_switch_to_buffer( b ); |
| 3680 | |
| 3681 | return b; |
| 3682 | } |
| 3683 | |
| 3684 | /** Setup the input buffer state to scan a string. The next call to yylex() will |
| 3685 | * scan from a @e copy of @a str. |
no test coverage detected