Make `CMARK_OPT_UNSAFE` settable during runtime about cmark

[nwellnhof]

Currently it's respected only during compile time and in cli binary, which.

This isn't true. CMARK_OPT_UNSAFE can be passed to several API functions at runtime.

[hinell]

@nwellnhof No doubt about that but is there any way oen can pass it to the ... cmark_markdown_to_html(...) call? Thanks.

[nwellnhof]

Here's the declaration of cmark_markdown_to_html:

char *cmark_markdown_to_html(const char *text, size_t len, int options);

Just pass CMARK_OPT_UNSAFE, maybe ORed with other flags, as options argument.

[hinell]

@nwellnhof Sorry, didn't notice the definitions. They are buried below, which is kinda surprising:

cmark/src/cmark.h

Lines 545 to 571 in 7195c67

	#define CMARK_OPT_DEFAULT 0
	/**
	* ### Options affecting rendering
	*/
	/** Include a `data-sourcepos` attribute on all block elements.
	*/
	#define CMARK_OPT_SOURCEPOS (1 << 1)
	/** Render `softbreak` elements as hard line breaks.
	*/
	#define CMARK_OPT_HARDBREAKS (1 << 2)
	/** `CMARK_OPT_SAFE` is defined here for API compatibility,
	but it no longer has any effect. "Safe" mode is now the default:
	set `CMARK_OPT_UNSAFE` to disable it.
	*/
	#define CMARK_OPT_SAFE (1 << 3)
	/** Render raw HTML and unsafe links (`javascript:`, `vbscript:`,
	* `file:`, and `data:`, except for `image/png`, `image/gif`,
	* `image/jpeg`, or `image/webp` mime types). By default,
	* raw HTML is replaced by a placeholder HTML comment. Unsafe
	* links are replaced by empty strings.
	*/
	#define CMARK_OPT_UNSAFE (1 << 17)

Thanks!