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Cleanup: NULL check pointer before dereferencing

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Found by Coverity. CID 350081, 350087, 350095

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Dirk Hohndel 2019-10-27 07:28:57 -04:00
parent 08fcda60ac
commit 33137c62b0
2 changed files with 5 additions and 4 deletions
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7
core/dive.c
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@ -3275,11 +3275,12 @@ int split_dive(const struct dive *dive, struct dive **new1, struct dive **new2)
int split_dive_at_time(const struct dive *dive, duration_t time, struct dive **new1, struct dive **new2)
{
int i = 0;
struct sample *sample = dive->dc.sample;
*new1 = *new2 = NULL;
if (!dive)
return -1;
struct sample *sample = dive->dc.sample;
*new1 = *new2 = NULL;
while(sample->time.seconds < time.seconds) {
++sample;
++i;
@ -3670,7 +3671,7 @@ static void delete_divecomputer(struct dive *d, int num)
struct divecomputer *pdc = &d->dc;
for (i = 0; i < num - 1 && pdc; i++)
pdc = pdc->next;
if (pdc->next) {
if (pdc && pdc->next) {
struct divecomputer *dc = pdc->next;
pdc->next = dc->next;
free_dc(dc);

2
desktop-widgets/divelogexportdialog.cpp
View file

@ -377,7 +377,7 @@ void DiveLogExportDialog::export_TeX(const char *filename, const bool selected_o
dive_site *site = dive->dive_site;
QRegExp ct("countrytag: (\\w+)");
QString country;
if (ct.indexIn(site->notes) >= 0)
if (site && ct.indexIn(site->notes) >= 0)
country = ct.cap(1);
else
country = "";