diff --git a/cmake/staticAnalyzers.cmake b/cmake/staticAnalyzers.cmake
index 08b47c65..fbf5bc7a 100644
--- a/cmake/staticAnalyzers.cmake
+++ b/cmake/staticAnalyzers.cmake
@@ -3,6 +3,7 @@ if(MATIO_ENABLE_CPPCHECK)
     if(CPPCHECK)
         set(CMAKE_C_CPPCHECK ${CPPCHECK}
             --language=c
+			--quiet
             --check-level=exhaustive
             --suppress=checkersReport
             --suppress=unusedFunction
@@ -11,11 +12,9 @@ if(MATIO_ENABLE_CPPCHECK)
             --enable=all
             --inline-suppr
             --inconclusive
-            -i ${CMAKE_SOURCE_DIR}/test
-            -i ${CMAKE_SOURCE_DIR}/snprintf
-            -i ${CMAKE_SOURCE_DIR}/getopt
+            -i ${CMAKE_SOURCE_DIR}/test/test_mat.c
         )
-        message(VERBOSE "Cppcheck finished setting up.")
+        message("Cppcheck finished setting up: ${CMAKE_SOURCE_DIR}/test")
     else()
         message(SEND_ERROR "Cppcheck requested but executable not found.")
     endif()
diff --git a/src/mat5.c b/src/mat5.c
index fd4dae3c..9d828b6e 100644
--- a/src/mat5.c
+++ b/src/mat5.c
@@ -942,6 +942,7 @@ WriteCompressedData(mat_t *mat, z_streamp z, void *data, int N, enum matio_types
     z->next_in = ZLIB_BYTE_PTR(data_tag);
     z->avail_in = 8;
     do {
+        /* cppcheck-suppress uninitvar */
         z->next_out = buf;
         z->avail_out = buf_size;
         deflate(z, Z_NO_FLUSH);
@@ -2296,6 +2297,7 @@ WriteCompressedTypeArrayFlags(mat_t *mat, matvar_t *matvar, z_streamp z)
     z->next_in = ZLIB_BYTE_PTR(uncomp_buf);
     z->avail_in = (6 + i) * sizeof(*uncomp_buf);
     do {
+        /* cppcheck-suppress uninitvar */
         z->next_out = ZLIB_BYTE_PTR(comp_buf);
         z->avail_out = buf_size * sizeof(*comp_buf);
         deflate(z, Z_NO_FLUSH);
@@ -2537,6 +2539,7 @@ WriteCompressedCellArrayField(mat_t *mat, matvar_t *matvar, z_streamp z)
     z->next_in = ZLIB_BYTE_PTR(uncomp_buf);
     z->avail_in = 8;
     do {
+        /* cppcheck-suppress uninitvar */
         z->next_out = ZLIB_BYTE_PTR(comp_buf);
         z->avail_out = buf_size * sizeof(*comp_buf);
         deflate(z, Z_NO_FLUSH);
@@ -2670,6 +2673,7 @@ WriteCompressedStructField(mat_t *mat, matvar_t *matvar, z_streamp z)
     z->next_in = ZLIB_BYTE_PTR(uncomp_buf);
     z->avail_in = 8;
     do {
+        /* cppcheck-suppress uninitvar */
         z->next_out = ZLIB_BYTE_PTR(comp_buf);
         z->avail_out = buf_size * sizeof(*comp_buf);
         deflate(z, Z_NO_FLUSH);
@@ -5022,6 +5026,7 @@ Mat_VarWrite5(mat_t *mat, matvar_t *matvar, int compress)
         z->next_in = ZLIB_BYTE_PTR(uncomp_buf);
         z->avail_in = 8;
         do {
+            /* cppcheck-suppress uninitvar */
             z->next_out = ZLIB_BYTE_PTR(comp_buf);
             z->avail_out = buf_size * sizeof(*comp_buf);
             deflate(z, Z_NO_FLUSH);
diff --git a/tools/matdump.c b/tools/matdump.c
index b8a8c3d7..2f44530d 100644
--- a/tools/matdump.c
+++ b/tools/matdump.c
@@ -660,7 +660,7 @@ print_default_numeric_2d(const matvar_t *matvar)
             printf("\n");
         }
     } else {
-        char *data = (char *)matvar->data;
+        const char *data = (char *)matvar->data;
         for ( i = 0; i < matvar->dims[0]; i++ ) {
             for ( j = 0; j < matvar->dims[1]; j++ ) {
                 size_t idx = matvar->dims[0] * j + i;