Remove superfluous null checks in can_read/access_at_index macros

This commit is contained in:
Max Bruckner 2018-02-03 19:14:19 +01:00
parent bd307ec3b5
commit dcfa1618bb

View File

@ -269,9 +269,9 @@ typedef struct
} parse_buffer;
/* check if the given size is left to read in a given parse buffer (starting with 1) */
#define can_read(buffer, size) ((buffer != NULL) && (((buffer)->offset + size) <= (buffer)->length))
#define can_read(buffer, size) (((buffer)->offset + (size)) <= (buffer)->length)
/* check if the buffer can be accessed at the given index (starting with 0) */
#define can_access_at_index(buffer, index) ((buffer != NULL) && (((buffer)->offset + index) < (buffer)->length))
#define can_access_at_index(buffer, index) (((buffer)->offset + (index)) < (buffer)->length)
#define cannot_access_at_index(buffer, index) (!can_access_at_index(buffer, index))
/* get a pointer to the buffer at the position */
#define buffer_at_offset(buffer) ((buffer)->content + (buffer)->offset)