Make most function parameters const

More const never hurts in general, but in particular this allows the compiler
to make better nullability deductions, which reduces the amount of manual
nullability casting required.

1 files changed, 11 insertions, 10 deletions

diff --git a/src/byte_source.c b/src/byte_source.c
index 9f7e4e59..4790a4b2 100644
--- a/src/byte_source.c
+++ b/src/byte_source.c
@@ -25,7 +25,7 @@
 #include <string.h>
 
 SerdStatus
-serd_byte_source_page(SerdByteSource* source)
+serd_byte_source_page(SerdByteSource* const source)
 {
   source->read_head = 0;
   const size_t n_read =
@@ -47,12 +47,12 @@ serd_byte_source_page(SerdByteSource* source)
 }
 
 SerdStatus
-serd_byte_source_open_source(SerdByteSource*     source,
-                             SerdSource          read_func,
-                             SerdStreamErrorFunc error_func,
-                             void*               stream,
-                             const uint8_t*      name,
-                             size_t              page_size)
+serd_byte_source_open_source(SerdByteSource* const     source,
+                             const SerdSource          read_func,
+                             const SerdStreamErrorFunc error_func,
+                             void* const               stream,
+                             const uint8_t* const      name,
+                             const size_t              page_size)
 {
   const Cursor cur = {name, 1, 1};
 
@@ -77,7 +77,7 @@ serd_byte_source_open_source(SerdByteSource*     source,
 }
 
 SerdStatus
-serd_byte_source_prepare(SerdByteSource* source)
+serd_byte_source_prepare(SerdByteSource* const source)
 {
   source->prepared = true;
 
@@ -90,7 +90,8 @@ serd_byte_source_prepare(SerdByteSource* source)
 }
 
 SerdStatus
-serd_byte_source_open_string(SerdByteSource* source, const uint8_t* utf8)
+serd_byte_source_open_string(SerdByteSource* const source,
+                             const uint8_t* const  utf8)
 {
   const Cursor cur = {(const uint8_t*)"(string)", 1, 1};
 
@@ -101,7 +102,7 @@ serd_byte_source_open_string(SerdByteSource* source, const uint8_t* utf8)
 }
 
 SerdStatus
-serd_byte_source_close(SerdByteSource* source)
+serd_byte_source_close(SerdByteSource* const source)
 {
   if (source->page_size > 1) {
     serd_free_aligned(source->file_buf);