mdoc

commit 4d7ec462e83363bbb02350148f79af4d7393c64b
parent bad2b5a6db4a42f90944730f58d729d12526b2b4
Author: gearsix <gearsix@tuta.io>
Date:   Thu, 25 Aug 2022 17:35:44 +0100

updated to use cmark stream interface

This avoids documents getting cut-up with end tags in the middle of
blocks when the input is longer than the bufsiz.
It should also reduce the number of calls made to `cmark` to 1 per
document.

Diffstat:
M
mdoc.c
 | 
19
++++++++++---------

1 file changed, 10 insertions(+), 9 deletions(-)
diff --git a/mdoc.c b/mdoc.c
@@ -38,17 +38,17 @@ void printhead(const char *title, const char *author)
 void printfoot()
 {
 	puts("</body>");
-	puts("</html>");
+	puts("</html>\0");
 }
 
-size_t cmark(const size_t bufsiz, FILE *in, FILE *out)
+void cmark(FILE *in, FILE *out)
 {
-	char buf[bufsiz];
-	size_t n = fread(buf, sizeof(char), BUFSIZ, in);
-	char *html = cmark_markdown_to_html(buf, strlen(buf), 0);
+	const int opts = (CMARK_OPT_UNSAFE|CMARK_OPT_VALIDATE_UTF8);
+	cmark_node *n = cmark_parse_file(in, opts);
+	char *html = cmark_render_html(n, opts);
 	fprintf(out, "%s", html);
+	cmark_node_free(n);
 	free(html);
-	return n;
 }
 
 void cleanexit() {
@@ -79,10 +79,11 @@ int main(int argc, char *argv[])
 		}
 	}
 
-	void (*sig)(int) = 0;
-	sig = signal(SIGINT, cleanexit);
+	signal(SIGINT, cleanexit);
+
+	setvbuf(stdout, NULL, _IONBF, 0);
 
 	printhead(title, author);
-	while (!sig && cmark(BUFSIZ, stdin, stdout) == BUFSIZ);
+	cmark(stdin, stdout);
 	printfoot();
 }