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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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4
windows/winplink.c
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@ -104,7 +104,7 @@ void frontend_echoedit_update(void *frontend, int echo, int edit)
char *get_ttymode(void *frontend, const char *mode) { return NULL; }
int from_backend(void *frontend_handle, int is_stderr,
const char *data, int len)
const void *data, int len)
{
if (is_stderr) {
handle_write(stderr_handle, data, len);
@ -115,7 +115,7 @@ int from_backend(void *frontend_handle, int is_stderr,
return handle_backlog(stdout_handle) + handle_backlog(stderr_handle);
}
int from_backend_untrusted(void *frontend_handle, const char *data, int len)
int from_backend_untrusted(void *frontend_handle, const void *data, int len)
{
/*
* No "untrusted" output should get here (the way the code is