Remove some suppressed warnings

src/Makefile

@@ -171,17 +171,6 @@ CFLAGS                  += -Werror-implicit-function-declaration
 CFLAGS                  += -Wformat
 CFLAGS                  += -ftrapv
 CFLAGS                  += -Wwrite-strings
-
-# the following compiler options produce warnings that should be fixed at some time
-
-CFLAGS                  += -Wno-cast-align
-CFLAGS                  += -Wno-cast-qual
-CFLAGS                  += -Wno-conversion
-CFLAGS                  += -Wno-padded
-CFLAGS                  += -Wno-pedantic
-CFLAGS                  += -Wno-sizeof-pointer-memaccess
-#CFLAGS                  += -Wno-reserved-id-macro      //clang specific
-#CFLAGS                  += -Wno-used-but-marked-unused //    ^^
 endif
 
 # default Linux and freebsd thread stack size is 2MB

src/interface.c

@@ -6739,9 +6739,9 @@ int truecrypt_parse_hash_1k (u8 *input_buf, u32 input_len, hash_t *hash_buf, MAY
 
   if (fp == NULL) return (PARSER_HASH_FILE);
 
-  char buf[512] = { 0 };
+  u8 buf[512];
 
-  const size_t n = hc_fread (buf, 1, sizeof (buf), fp);
+  const size_t n = hc_fread ((char *) buf, 1, sizeof (buf), fp);
 
   fclose (fp);
 
@@ -6782,9 +6782,9 @@ int truecrypt_parse_hash_2k (u8 *input_buf, u32 input_len, hash_t *hash_buf, MAY
 
   if (fp == NULL) return (PARSER_HASH_FILE);
 
-  char buf[512] = { 0 };
+  u8 buf[512];
 
-  const size_t n = hc_fread (buf, 1, sizeof (buf), fp);
+  const size_t n = hc_fread ((char *) buf, 1, sizeof (buf), fp);
 
   fclose (fp);
 
@@ -6825,9 +6825,9 @@ int veracrypt_parse_hash_200000 (u8 *input_buf, u32 input_len, hash_t *hash_buf,
 
   if (fp == NULL) return (PARSER_HASH_FILE);
 
-  char buf[512] = { 0 };
+  u8 buf[512];
 
-  const size_t n = hc_fread (buf, 1, sizeof (buf), fp);
+  const size_t n = hc_fread ((char *) buf, 1, sizeof (buf), fp);
 
   fclose (fp);
 
@@ -6868,9 +6868,9 @@ int veracrypt_parse_hash_500000 (u8 *input_buf, u32 input_len, hash_t *hash_buf,
 
   if (fp == NULL) return (PARSER_HASH_FILE);
 
-  char buf[512] = { 0 };
+  u8 buf[512];
 
-  const size_t n = hc_fread (buf, 1, sizeof (buf), fp);
+  const size_t n = hc_fread ((char *) buf, 1, sizeof (buf), fp);
 
   fclose (fp);
 
@@ -6911,9 +6911,9 @@ int veracrypt_parse_hash_327661 (u8 *input_buf, u32 input_len, hash_t *hash_buf,
 
   if (fp == NULL) return (PARSER_HASH_FILE);
 
-  char buf[512] = { 0 };
+  u8 buf[512];
 
-  const size_t n = hc_fread (buf, 1, sizeof (buf), fp);
+  const size_t n = hc_fread ((char *) buf, 1, sizeof (buf), fp);
 
   fclose (fp);
 
@@ -6954,9 +6954,9 @@ int veracrypt_parse_hash_655331 (u8 *input_buf, u32 input_len, hash_t *hash_buf,
 
   if (fp == NULL) return (PARSER_HASH_FILE);
 
-  char buf[512] = { 0 };
+  u8 buf[512];
 
-  const size_t n = hc_fread (buf, 1, sizeof (buf), fp);
+  const size_t n = hc_fread ((char *) buf, 1, sizeof (buf), fp);
 
   fclose (fp);
 
@@ -12650,7 +12650,7 @@ int sip_auth_parse_hash (u8 *input_buf, u32 input_len, hash_t *hash_buf, MAYBE_U
    * first (pre-)compute: HA2 = md5 ($method . ":" . $uri)
    */
 
-  char *pcsep = (char *) ":";
+  static u8 *pcsep = (u8 *) ":";
 
   int md5_len = method_len + 1 + URI_prefix_len + URI_resource_len + URI_suffix_len;
 
@@ -12787,9 +12787,9 @@ int sip_auth_parse_hash (u8 *input_buf, u32 input_len, hash_t *hash_buf, MAYBE_U
 
   // tmp_digest
 
-  char tmp[64];
+  u8 tmp[64];
 
-  snprintf (tmp, sizeof (tmp) - 1, "%08x%08x%08x%08x",
+  snprintf ((char *) tmp, sizeof (tmp) - 1, "%08x%08x%08x%08x",
     tmp_digest[0],
     tmp_digest[1],
     tmp_digest[2],

src/rp_cpu.c

@@ -502,7 +502,7 @@ int _old_apply_rule (const char *rule, int rule_len, char in[RP_PASSWORD_SIZE],
   {
     if (is_hex_notation (rule, rule_len, rule_pos))
     {
-      const u8 c = hex_to_u8 (&rule[rule_pos + 2]);
+      const u8 c = hex_to_u8 ((const u8 *) &rule[rule_pos + 2]);
 
       rule_pos += 3;
 

src/shared.c

@@ -667,7 +667,7 @@ u64 round_up_multiple_64 (const u64 v, const u64 m)
 
 void hc_strncat (u8 *dst, u8 *src, const size_t n)
 {
-  const size_t dst_len = strlen (dst);
+  const size_t dst_len = strlen ((char *) dst);
 
   u8 *src_ptr = src;
   u8 *dst_ptr = dst + dst_len;