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Fixed bug in EN_deletelink (#312)

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This commit is contained in:
Lew Rossman
2018-10-23 16:00:14 -04:00
parent 3f90e44eda
commit 69388024fb
1 changed files with 10 additions and 9 deletions
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19
src/epanet.c
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@@ -5280,10 +5280,11 @@ int DLLEXPORT EN_addlink(EN_ProjectHandle ph, char *id, EN_LinkType linkType, ch
int DLLEXPORT EN_deletelink(EN_ProjectHandle ph, int index) { int DLLEXPORT EN_deletelink(EN_ProjectHandle ph, int index) {
int i; int i;
int pumpindex;
int valveindex;
EN_LinkType linkType; EN_LinkType linkType;
EN_Project *p = (EN_Project*)ph; EN_Project *p = (EN_Project*)ph;
EN_Network *net = &p->network; EN_Network *net = &p->network;
Slink *link; Slink *link;
@@ -5293,14 +5294,12 @@ int DLLEXPORT EN_deletelink(EN_ProjectHandle ph, int index) {
return set_error(p->error_handle, 203); return set_error(p->error_handle, 203);
EN_getlinktype(p, index, &linkType); EN_getlinktype(p, index, &linkType);
link = &net->Link[index]; link = &net->Link[index];
// remove from hash table // remove from hash table
hashtable_delete(net->LinkHashTable, link->ID); hashtable_delete(net->LinkHashTable, link->ID);
// shift link and pump arrays to re-sort link indices // shift link and pump arrays to re-sort link indices
net->Nlinks--;
for (i = index; i <= net->Nlinks - 1; i++) { for (i = index; i <= net->Nlinks - 1; i++) {
net->Link[i] = net->Link[i + 1]; net->Link[i] = net->Link[i + 1];
// update hashtable // update hashtable
@@ -5316,25 +5315,27 @@ int DLLEXPORT EN_deletelink(EN_ProjectHandle ph, int index) {
net->Valve[i].Link -= 1; net->Valve[i].Link -= 1;
} }
} }
// update pumps // remove any pump associated with the deleted link
if (linkType == EN_PUMP) { if (linkType == EN_PUMP) {
int pumpindex = findpump(net,index); pumpindex = findpump(net,index);
for (i = pumpindex; i <= net->Npumps - 1; i++) { for (i = pumpindex; i <= net->Npumps - 1; i++) {
net->Pump[i] = net->Pump[i + 1]; net->Pump[i] = net->Pump[i + 1];
} }
net->Npumps--; net->Npumps--;
} }
// update valves // remove any valve associated with the deleted link
if (linkType > EN_PUMP) { if (linkType > EN_PUMP) {
int valveindex = findvalve(net,index); valveindex = findvalve(net,index);
for (i = valveindex; i <= net->Nvalves - 1; i++) { for (i = valveindex; i <= net->Nvalves - 1; i++) {
net->Valve[i] = net->Valve[i + 1]; net->Valve[i] = net->Valve[i + 1];
} }
net->Nvalves--; net->Nvalves--;
} }
// reduce total link count
net->Nlinks--;
return set_error(p->error_handle, 0); return set_error(p->error_handle, 0);
} }