diff options
Diffstat (limited to 'contrib/seg/buffer.c')
-rw-r--r-- | contrib/seg/buffer.c | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/contrib/seg/buffer.c b/contrib/seg/buffer.c deleted file mode 100644 index b38e4fcaf24..00000000000 --- a/contrib/seg/buffer.c +++ /dev/null @@ -1,84 +0,0 @@ -/* This module defines the parse buffer and routines for setting/reading it */ - -#include "postgres.h" - -static char *PARSE_BUFFER; -static char *PARSE_BUFFER_PTR; -static unsigned int PARSE_BUFFER_SIZE; -static unsigned int SCANNER_POS; - -void set_parse_buffer(char *s); -void reset_parse_buffer(void); -int read_parse_buffer(void); -char *parse_buffer(void); -char *parse_buffer_ptr(void); -unsigned int parse_buffer_curr_char(void); -unsigned int parse_buffer_size(void); -unsigned int parse_buffer_pos(void); - -extern void seg_flush_scanner_buffer(void); /* defined in segscan.l */ - -void -set_parse_buffer(char *s) -{ - PARSE_BUFFER = s; - PARSE_BUFFER_SIZE = strlen(s); - if (PARSE_BUFFER_SIZE == 0) - ereport(ERROR, - (errcode(ERRCODE_ZERO_LENGTH_CHARACTER_STRING), - errmsg("can't parse an empty string"))); - PARSE_BUFFER_PTR = PARSE_BUFFER; - SCANNER_POS = 0; -} - -void -reset_parse_buffer(void) -{ - PARSE_BUFFER_PTR = PARSE_BUFFER; - SCANNER_POS = 0; - seg_flush_scanner_buffer(); -} - -int -read_parse_buffer(void) -{ - int c; - - /* - * c = *PARSE_BUFFER_PTR++; SCANNER_POS++; - */ - c = PARSE_BUFFER[SCANNER_POS]; - if (SCANNER_POS < PARSE_BUFFER_SIZE) - SCANNER_POS++; - return c; -} - -char * -parse_buffer(void) -{ - return PARSE_BUFFER; -} - -unsigned int -parse_buffer_curr_char(void) -{ - return PARSE_BUFFER[SCANNER_POS]; -} - -char * -parse_buffer_ptr(void) -{ - return PARSE_BUFFER_PTR; -} - -unsigned int -parse_buffer_pos(void) -{ - return SCANNER_POS; -} - -unsigned int -parse_buffer_size(void) -{ - return PARSE_BUFFER_SIZE; -} |