Fix various warnings and conversion issues

6 files changed, 18 insertions, 26 deletions

diff --git a/meson.build b/meson.build
index 0a6efce2..fba0cfcb 100644
--- a/meson.build
+++ b/meson.build
@@ -28,8 +28,6 @@ if get_option('strict')
     c_warnings += [
       '-Wno-bad-function-cast',
       '-Wno-cast-align',
-      '-Wno-cast-qual',
-      '-Wno-conversion',
       '-Wno-covered-switch-default',
       '-Wno-disabled-macro-expansion',
       '-Wno-double-promotion',
@@ -40,18 +38,14 @@ if get_option('strict')
       '-Wno-nullable-to-nonnull-conversion',
       '-Wno-padded',
       '-Wno-reserved-id-macro',
-      '-Wno-sign-conversion',
     ]
   elif cc.get_id() == 'gcc'
     c_warnings += [
       '-Wno-bad-function-cast',
       '-Wno-cast-align',
-      '-Wno-cast-qual',
-      '-Wno-float-conversion',
       '-Wno-format-nonliteral',
       '-Wno-inline',
       '-Wno-padded',
-      '-Wno-sign-conversion',
       '-Wno-switch-default',
       '-Wno-unsuffixed-float-constants',
       '-Wno-unused-const-variable',
diff --git a/src/n3.c b/src/n3.c
index 22c24fd7..edc0f52b 100644
--- a/src/n3.c
+++ b/src/n3.c
@@ -65,7 +65,7 @@ read_HEX(SerdReader* reader)
 }
 
 // Read UCHAR escape, initial \ is already eaten by caller
-static inline SerdStatus
+static SerdStatus
 read_UCHAR(SerdReader* reader, SerdNode* dest, uint32_t* char_code)
 {
   const int b      = peek_byte(reader);
@@ -143,7 +143,7 @@ read_UCHAR(SerdReader* reader, SerdNode* dest, uint32_t* char_code)
 }
 
 // Read ECHAR escape, initial \ is already eaten by caller
-static inline SerdStatus
+static SerdStatus
 read_ECHAR(SerdReader* reader, SerdNode* dest)
 {
   const int c = peek_byte(reader);
@@ -279,7 +279,7 @@ read_comment(SerdReader* reader)
 }
 
 // [24] ws ::= #x9 | #xA | #xD | #x20 | comment
-static inline bool
+static bool
 read_ws(SerdReader* reader)
 {
   const int c = peek_byte(reader);
@@ -308,14 +308,14 @@ read_ws_star(SerdReader* reader)
 }
 
 static inline bool
-peek_delim(SerdReader* reader, const char delim)
+peek_delim(SerdReader* reader, const uint8_t delim)
 {
   read_ws_star(reader);
   return peek_byte(reader) == delim;
 }
 
 static inline bool
-eat_delim(SerdReader* reader, const char delim)
+eat_delim(SerdReader* reader, const uint8_t delim)
 {
   if (peek_delim(reader, delim)) {
     eat_byte_safe(reader, delim);
diff --git a/src/node.c b/src/node.c
index 268b53af..7d1177e4 100644
--- a/src/node.c
+++ b/src/node.c
@@ -530,17 +530,14 @@ is_uri_path_char(const char c)
   }
 
   switch (c) {
-  // unreserved:
   case '-':
   case '.':
   case '_':
-  case '~':
-  // pchar:
+  case '~': // unreserved
   case ':':
-  case '@':
-  // separator:
-  case '/':
-  // sub-delimeters:
+  case '@': // pchar
+  case '/': // separator
+  // sub-delims
   case '!':
   case '$':
   case '&':
diff --git a/src/stack.h b/src/stack.h
index 0eae1b75..273bf2a5 100644
--- a/src/stack.h
+++ b/src/stack.h
@@ -57,7 +57,7 @@ serd_stack_clear(SerdStack* stack)
 }
 
 static inline bool
-serd_stack_is_empty(SerdStack* stack)
+serd_stack_is_empty(const SerdStack* stack)
 {
   return stack->size <= SERD_STACK_BOTTOM;
 }
diff --git a/src/string_utils.h b/src/string_utils.h
index 08ba530c..0e9eee43 100644
--- a/src/string_utils.h
+++ b/src/string_utils.h
@@ -84,7 +84,7 @@ is_print(const int c)
 }
 
 static inline bool
-is_base64(const char c)
+is_base64(const int c)
 {
   return is_alpha(c) || is_digit(c) || c == '+' || c == '/' || c == '=';
 }
@@ -143,9 +143,9 @@ utf8_num_bytes(const uint8_t c)
 static inline uint32_t
 parse_counted_utf8_char(const uint8_t* utf8, size_t size)
 {
-  uint32_t c = utf8[0] & ((1u << (8 - size)) - 1);
+  uint32_t c = utf8[0] & ((1u << (8u - size)) - 1u);
   for (size_t i = 1; i < size; ++i) {
-    const uint8_t in = utf8[i] & 0x3F;
+    const uint8_t in = utf8[i] & 0x3Fu;
     c                = (c << 6) | in;
   }
   return c;
@@ -163,7 +163,7 @@ parse_utf8_char(const uint8_t* utf8, size_t* size)
     return parse_counted_utf8_char(utf8, *size);
   default:
     *size = 0;
-    return 0;
+    return 0u;
   }
 }
 
diff --git a/src/uri.c b/src/uri.c
index 5b1ed598..f4d602fb 100644
--- a/src/uri.c
+++ b/src/uri.c
@@ -43,8 +43,9 @@ serd_parse_file_uri(const char* uri, char** hostname)
       }
 
       if (hostname) {
-        *hostname = (char*)calloc((size_t)(path - auth + 1), 1);
-        memcpy(*hostname, auth, (size_t)(path - auth));
+        const size_t len = (size_t)(path - auth);
+        *hostname        = (char*)calloc(len + 1, 1);
+        memcpy(*hostname, auth, len);
       }
     }
   }
@@ -61,7 +62,7 @@ serd_parse_file_uri(const char* uri, char** hostname)
         ++s;
       } else if (is_hexdig(*(s + 1)) && is_hexdig(*(s + 2))) {
         const char code[3] = {*(s + 1), *(s + 2), 0};
-        const char c       = (char)strtoul((const char*)code, NULL, 16);
+        const char c       = (char)strtoul(code, NULL, 16);
         serd_buffer_sink(&c, 1, 1, &buffer);
         s += 2;
       } else {