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Make lots of generic data parameters into 'void *'.

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This is a cleanup I started to notice a need for during the BinarySink
work. It removes a lot of faffing about casting things to char * or
unsigned char * so that some API will accept them, even though lots of
such APIs really take a plain 'block of raw binary data' argument and
don't care what C thinks the signedness of that data might be - they
may well reinterpret it back and forth internally.

So I've tried to arrange for all the function call APIs that ought to
have a void * (or const void *) to have one, and those that need to do
pointer arithmetic on the parameter internally can cast it back at the
top of the function. That saves endless ad-hoc casts at the call
sites.
This commit is contained in:
Simon Tatham
2018-05-26 08:31:34 +01:00
parent 2fc29577df
commit 7babe66a83
40 changed files with 283 additions and 263 deletions
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2
raw.c
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@ -25,7 +25,7 @@ typedef struct raw_backend_data {
static void raw_size(void *handle, int width, int height);
static void c_write(Raw raw, char *buf, int len)
static void c_write(Raw raw, const void *buf, int len)
{
int backlog = from_backend(raw->frontend, 0, buf, len);
sk_set_frozen(raw->s, backlog > RAW_MAX_BACKLOG);