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Fixed potential segmentation fault

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This commit is contained in:
Stefan Wahren 2012-05-18 14:14:17 +02:00
parent b055dc612f
commit 9817d00329
1 changed files with 6 additions and 0 deletions
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6
mbus/mbus-protocol-aux.c
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@ -943,6 +943,12 @@ mbus_vif_unit_normalize(int vif, double value, char **unit_out, double *value_ou
int
mbus_vib_unit_normalize(mbus_value_information_block *vib, double value, char **unit_out, double *value_out, char **quantity_out)
{
if (vib == NULL || unit_out == NULL || value_out == NULL || quantity_out == NULL)
{
MBUS_ERROR("%s: Invalid parameter.\n", __PRETTY_FUNCTION__);
return -1;
}
MBUS_DEBUG("%s: vib_unit_normalize - VIF=0x%02X\n", __PRETTY_FUNCTION__, vib->vif);
if (vib->vif == 0xFD) /* first type of VIF extention: see table 8.4.4 a */