From 25f79c8da371327f353031a1f1b50f7d19fdcbdf Mon Sep 17 00:00:00 2001
From: Thilina Ratnayaka <thilinarmtb@gmail.com>
Date: Tue, 21 Feb 2023 14:46:42 -0600
Subject: [PATCH] Fix a few compiler warnings

---
 src/con.c       | 3 ++-
 src/laplacian.c | 8 +++++---
 src/mat.c       | 4 ++++
 3 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/src/con.c b/src/con.c
index 97ad705e..8014a987 100644
--- a/src/con.c
+++ b/src/con.c
@@ -1321,7 +1321,8 @@ int parrsb_conn_mesh(long long *vtx, double *coord, int nelt, int ndim,
   int verbose = 0;
   {
     const char *val = getenv("PARRSB_VERBOSE_LEVEL");
-    if (val != NULL) verbose= atoi(val);  
+    if (val != NULL)
+      verbose = atoi(val);
   }
 
   if (c.id == 0 && verbose > 0) {
diff --git a/src/laplacian.c b/src/laplacian.c
index 59d91673..1873b742 100644
--- a/src/laplacian.c
+++ b/src/laplacian.c
@@ -133,8 +133,8 @@ static int par_csc(scalar *v, const struct laplacian *l, scalar *u,
     mat_vec_csr(v, u, L->M, L->gsh, L->buf, bfr);
     return 0;
   }
-  return 1;
 #endif
+  return 1;
 }
 
 static int par_csr_free(struct laplacian *l) {
@@ -144,7 +144,9 @@ static int par_csr_free(struct laplacian *l) {
     gs_free(L->gsh);
     free(L->buf);
     free(L), L = NULL;
+    return 0;
   }
+  return 1;
 }
 
 //------------------------------------------------------------------------------
@@ -218,8 +220,8 @@ static int gs_weighted_free(struct laplacian *l) {
     free(gl->diag);
   gs_free(gl->gsh);
 
-  free(l->data);
-  l->data = NULL;
+  free(l->data), l->data = NULL;
+  return 0;
 }
 
 //------------------------------------------------------------------------------
diff --git a/src/mat.c b/src/mat.c
index 1788aeca..34c27c21 100644
--- a/src/mat.c
+++ b/src/mat.c
@@ -55,6 +55,8 @@ int compress_nbrs(struct array *eij, struct array *nbr, buffer *bfr) {
     pe[k].v = -s;
     i = j;
   }
+
+  return 0;
 }
 
 int csr_setup(struct mat *mat, struct array *entries, int sep, buffer *buf) {
@@ -741,6 +743,8 @@ static int compress_mij(struct array *eij, struct array *entries, buffer *bfr) {
     pe[k].v = -s;
     i = j;
   }
+
+  return 0;
 }
 
 struct par_mat *par_csr_setup_con(const uint nelt, const ulong *eid,