Always use unsigned char * for data buffers

Before this commit I was inconsistently using one of void *, char *
and uint8_t *.

1 files changed, 3 insertions, 3 deletions

diff --git a/test/090_tables_readwrite/tables_readwrite_tests.c b/test/090_tables_readwrite/tables_readwrite_tests.c
index 01c1172..3306dd6 100644
--- a/test/090_tables_readwrite/tables_readwrite_tests.c
+++ b/test/090_tables_readwrite/tables_readwrite_tests.c
@@ -1,7 +1,7 @@
 #include "../test.h"
 
-bool readtableinfo(uint64_t, const char *, tableinfo_t *);
-bool writetableinfo(const tableinfo_t *, uint64_t, char *);
+bool readtableinfo(uint64_t, const unsigned char *, tableinfo_t *);
+bool writetableinfo(const tableinfo_t *, uint64_t, unsigned char *);
 
 uint64_t readn(void) {
         char str[STRLENMAX];
@@ -66,7 +66,7 @@ void test_writeinfo(tableinfo_t info) {
 }
 
 void run(void) {
-        char buf[INFOSIZE];
+        unsigned char buf[INFOSIZE];
         tableinfo_t expected, actual;
 
         expected = test_readinfo();