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Rename mark offset to proper name as per specs

This commit is contained in:
Victor Fernandes 2017-02-13 18:31:58 -05:00
parent 992f82573a
commit e491775737
2 changed files with 12 additions and 14 deletions
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24
buffer.c
View File

@ -177,7 +177,7 @@ size_t b_incfactor(Buffer* const pBD) {
*/
short b_mark(Buffer* const pBD) {
if (!pBD) { return R_FAIL1; }
return pBD->mark_offset;
return pBD->mark_coffset;
}
/* Reports if the character buffer's memory space was relocated after resizing
@ -217,8 +217,8 @@ to cb_head at that offset
*/
char* b_setmark(Buffer* const pBD, short mark) {
if (!pBD || mark < 0 || mark > pBD->addc_offset) { return NULL; }
pBD->mark_offset = mark;
return (pBD->cb_head) + pBD->mark_offset;
pBD->mark_coffset = mark;
return (pBD->cb_head) + pBD->mark_coffset;
}
/* Reports the end-of-buffer flag state of the character buffer
@ -308,9 +308,8 @@ pBuffer b_addc(pBuffer const pBD, char symbol) {
pBD->cb_head = tmp_addr;
pBD->capacity = new_cap;
if (old_addr == pBD->cb_head) { /* Compare the old and new addresses and set flag appropriately */
pBD->r_flag = (pBD->cb_head == tmp_addr);
}
/* Compare the old and new addresses and set flag appropriately */
pBD->r_flag = (pBD->cb_head == old_addr);
} /* END BUFFER INCREASE */
/* Finally, add new symbol to the buffer after increasing it (or not) */
@ -433,7 +432,7 @@ int b_reset(Buffer* const pBD) {
pBD->addc_offset = OFFSET_RESET;
pBD->getc_offset = OFFSET_RESET;
pBD->mark_offset = OFFSET_RESET;
pBD->mark_coffset = OFFSET_RESET;
pBD->eob = UNSET_EOB_FLAG;
pBD->r_flag = UNSET_R_FLAG;
return TRUE;
@ -450,11 +449,11 @@ int b_reset(Buffer* const pBD) {
short b_retract_to_mark(Buffer* const pBD) {
/* Check if any offsets are out of bounds */
if(!pBD ||
pBD->mark_offset < OFFSET_RESET ||
pBD->mark_offset > pBD->capacity){
pBD->mark_coffset < OFFSET_RESET ||
pBD->mark_coffset > pBD->capacity){
return R_FAIL1;
}
pBD->getc_offset = pBD->mark_offset;
pBD->getc_offset = pBD->mark_coffset;
return pBD->getc_offset;
}
@ -520,9 +519,8 @@ Buffer* b_pack(Buffer* const pBD) {
pBD->capacity = new_cap;
/* Compare old and new addresses and set R_FLAG accordingly */
if (old_addr != pBD->cb_head){
pBD->r_flag = SET_R_FLAG;
}
pBD->r_flag = (pBD->cb_head == old_addr);
return pBD;
}

2
buffer.h
View File

@ -61,7 +61,7 @@ typedef struct BufferDescriptor {
short capacity; /* current dynamic memory size (in bytes) allocated to character buffer */
short addc_offset; /* the offset (in chars) to the add-character location */
short getc_offset; /* the offset (in chars) to the get-character location */
short mark_offset; /* the offset (in chars) to the mark location */
short mark_coffset; /* the offset (in chars) to the mark location */
char inc_factor; /* character array increment factor */
char r_flag; /* reallocation flag */
char mode; /* operational mode indicator*/