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tankinfomodel.cpp: clamp row index to [0 - MAX_TANK_INFO]

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MAX_TANK_INFO is a new macro in dive.h to define the
maximum number of tank_info_t objects.

TankInfoModel's data() and setData() now check for valid
row indexes before accessing the tank_info[] array directly.

Without this patch TankInfoMode::data() can cause a SIGSEGV.

Reported-by: Pedro Neves <nevesdiver@gmail.com>
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Lubomir I. Ivanov 2017-06-14 01:45:18 +03:00 • committed by Dirk Hohndel
parent 85021b94b1
commit 27deb317b0
2 changed files with 7 additions and 2 deletions
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3
core/dive.h
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@ -296,6 +296,7 @@ struct divecomputer {
#define MAX_CYLINDERS (20)
#define MAX_WEIGHTSYSTEMS (6)
#define MAX_TANK_INFO (100)
#define W_IDX_PRIMARY 0
#define W_IDX_SECONDARY 1
@ -923,7 +924,7 @@ struct tank_info_t {
const char *name;
int cuft, ml, psi, bar;
};
extern struct tank_info_t tank_info[100];
extern struct tank_info_t tank_info[MAX_TANK_INFO];
struct ws_info_t {
const char *name;