1 files changed, 7 insertions, 0 deletions

diff --git a/csv-test.c b/csv-test.c
index 6c32a04..0d9d6e1 100644
--- a/csv-test.c
+++ b/csv-test.c
@@ -74,6 +74,7 @@ INLINE void
 csv_string_append(csv_string_t *csv_string, char ch, const csv_options_t * const csv_options)
 {
         assert(csv_string != NULL);
+        assert(csv_options != NULL);
 
         static const int INITIAL_CAP = 16;
 
@@ -141,6 +142,7 @@ INLINE void
 csv_field_append(csv_field_t *csv_field, int idx, const csv_options_t * const csv_options)
 {
         assert(csv_field != NULL);
+        assert(csv_options != NULL);
 
         static const size_t INITIAL_CAP = 16;
 
@@ -250,6 +252,7 @@ int
 csv_read(csv_t *csv, FILE *in)
 {
         assert(csv != NULL);
+        assert(in != NULL);
 
         enum {
                 STATE_START_FIELD,
@@ -395,6 +398,8 @@ static void
 csv_write_field(const csv_options_t * const csv_options, const char *field, FILE *out)
 {
         assert(csv_options != NULL);
+        assert(field != NULL);
+        assert(out != NULL);
 
         const char QUOTE = csv_options->quote_symbol;
 
@@ -419,6 +424,8 @@ void
 csv_write(const csv_options_t * const csv_options, int n, const char *fields[], FILE *out)
 {
         assert(csv_options != NULL);
+        assert(fields != NULL);
+        assert(out != NULL);
 
         const char SEP = csv_options->quote_symbol;