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Some more checks to avoid possible crashes.

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StackZ
2020-05-21 05:49:21 +02:00
parent a2c87824ad
commit 4dc2426fa5
7 changed files with 186 additions and 113 deletions
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hid.cpp
+16 -30
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@@ -27,49 +27,35 @@
#include "hid.hpp"
HID::HID(size_t EntryPerPage, size_t EntryAmount) {
maxEntries = EntryAmount;
pageEntry = EntryPerPage;
this->maxEntries = EntryAmount;
this->pageEntry = EntryPerPage;
}
size_t HID::getIndex() {
return currentEntry;
}
size_t HID::getIndex() { return this->currentEntry; }
size_t HID::getMaxEntries() {
return maxEntries;
}
size_t HID::getMaxEntries() { return this->maxEntries; }
void HID::nextEntry() {
if (currentEntry < maxEntries-1) {
currentEntry++;
}
}
void HID::nextEntry() { if (this->currentEntry < this->maxEntries-1) this->currentEntry++; }
void HID::lastEntry() {
if (currentEntry > 0) {
currentEntry--;
}
}
void HID::lastEntry() { if (this->currentEntry > 0) this->currentEntry--; }
void HID::nextPage() {
// Only go to the next page, if the next Page doesn't reach the maxEntries.
if (currentEntry + pageEntry < maxEntries - 1) {
currentPage++;
currentEntry += pageEntry;
if (this->currentEntry + this->pageEntry < this->maxEntries - 1) {
this->currentPage++;
this->currentEntry += this->pageEntry;
// If the first index of the page is smaller than maxEntries -> Go to the next page.
} else if (currentPage * pageEntry < maxEntries - 1) {
currentPage++;
currentEntry = currentPage * pageEntry;
} else if (this->currentPage * this->pageEntry < this->maxEntries - 1) {
this->currentPage++;
this->currentEntry = this->currentPage * this->pageEntry;
}
}
size_t HID::getPage() {
return currentPage;
}
size_t HID::getPage() { return this->currentPage; }
void HID::prevPage() {
if (currentPage > 0) {
currentPage--;
currentEntry -= pageEntry;
if (this->currentPage > 0) {
this->currentPage--;
this->currentEntry -= this->pageEntry;
}
}