diff options
| author | schnetter <schnetter@b61c5cb5-eaca-4651-9a7a-d64986f99364> | 2005-09-26 00:26:12 +0000 |
|---|---|---|
| committer | schnetter <schnetter@b61c5cb5-eaca-4651-9a7a-d64986f99364> | 2005-09-26 00:26:12 +0000 |
| commit | e7a3e95d815446986410cf338fea46503f1a7100 (patch) | |
| tree | 831549520337bd5213f93a228d1b7151e12afb1d /src/SetupGroup.c | |
| parent | decfbe2af929ab8ad92ae337f83880dfe95d9875 (diff) | |
Insert several checks whether variable indices passed into routines
are legal, and whether malloc returned a null pointer.
git-svn-id: http://svn.cactuscode.org/arrangements/CactusPUGH/PUGH/trunk@468 b61c5cb5-eaca-4651-9a7a-d64986f99364
Diffstat (limited to 'src/SetupGroup.c')
| -rw-r--r-- | src/SetupGroup.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/SetupGroup.c b/src/SetupGroup.c index 8fdca77..7a93391 100644 --- a/src/SetupGroup.c +++ b/src/SetupGroup.c @@ -174,7 +174,7 @@ static int PUGH_SetupGAGroup (pGH *newGH, /* Set up the communication buffer used for all variables within this group. Note: only with allocated buffers we can have group communication. */ groupcomm = NULL; - if(newGH->commmodel == PUGH_ALLOCATEDBUFFERS) + if(n_variables > 0 && newGH->commmodel == PUGH_ALLOCATEDBUFFERS) { groupcomm = PUGH_SetupGArrayGroupComm (newGH, dim, @@ -213,7 +213,7 @@ static int PUGH_SetupGAGroup (pGH *newGH, staggercode, vectorlength, variable%vectorlength, - variable%vectorlength > 0 ? newGH->variables[newGH->nvariables-variable%vectorlength][level] : NULL); + variable%vectorlength > 0 ? newGH->variables[newGH->nvariables - variable%vectorlength][level] : NULL); newGH->narrays++; } newGH->nvariables++; |