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Memory management, truncation errors, EOB/EOF

This commit is contained in:
Victor Fernandes 2017-02-01 20:04:49 -05:00
parent 0647478729
commit 7c47ba78c0
1 changed files with 13 additions and 6 deletions
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19
buffer.c
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@ -289,7 +289,7 @@ pBuffer b_addc(pBuffer const pBD, char symbol) {
}
avail_space = SHRT_MAX - pBD->capacity;
new_inc = avail_space * ((unsigned char) pBD->inc_factor / 100);
new_inc = avail_space * ((double) pBD->inc_factor) / 100;
/* Check if there is enough space for the new increment and
"trim" it if needed */
@ -330,6 +330,11 @@ pBuffer b_addc(pBuffer const pBD, char symbol) {
* Parameters:
- pBuffer const pBD
* Return value: char
* Algorithm: Function will check if getc_offset is at the end
* of the character array. If so, set flag and return failure.
* Otherwise fetch character from cb_head, increment offset, and
* check if it reached the EOB. If so, apply the flag before
* returning the character.
*/
char b_getc(Buffer* const pBD) {
char char_buf;
@ -363,7 +368,7 @@ char b_getc(Buffer* const pBD) {
int b_print(Buffer* const pBD) {
int char_count = 0; /* Counter to track how many characters were sent to output */
char char_buf; /* "Buffer" character to load before output */
short tmp_offset = OFFSET_RESET;
short tmp_offset;
if (!pBD || !pBD->cb_head) {
return R_FAIL1;
@ -374,17 +379,19 @@ int b_print(Buffer* const pBD) {
}
else {
/* Save getc_offset to restore after printing */
tmp_offset = pBD->getc_offset;
pBD->getc_offset = OFFSET_RESET;
while (!b_eob(pBD)) {
do {
char_buf = b_getc(pBD);
printf("%c", (char) char_buf);
char_count++;
};
} while (!b_eob(pBD));
printf("\n");
/* Restore the getc_offset */
pBD->getc_offset = tmp_offset;
}
/* Restore the getc_offset after printing */
pBD->getc_offset = tmp_offset;
return char_count;
}