X-Git-Url: https://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=tools%2Fdoc_extract-core.c;h=74643a04b994b61487f63cf7ba9786b37622d238;hp=8695a7e16fa2e2437c1ca1671b2eada3134f2b76;hb=cf4e2150325ebab7798c23110d80ff52467b4fc7;hpb=6fb1663de7c1650a20bae6ca4e496e5a04130b41

diff --git a/tools/doc_extract-core.c b/tools/doc_extract-core.c
index 8695a7e1..74643a04 100644
--- a/tools/doc_extract-core.c
+++ b/tools/doc_extract-core.c
@@ -165,6 +165,7 @@ static void add_detabbed_line(struct doc_section *curr, const char *rawline)
 static void trim_lines(struct doc_section *curr)
 {
 	unsigned int i, trim = -1;
+	int last_non_empty = -1;
 
 	/* Get minimum whitespace prefix. */
 	for (i = 0; i < curr->num_lines; i++) {
@@ -183,7 +184,14 @@ static void trim_lines(struct doc_section *curr)
 			curr->lines[i] += prefix;
 		else
 			curr->lines[i] += trim;
+
+		/* All blank?  Potential to trim. */
+		if (curr->lines[i][strspn(curr->lines[i], " \t")] != '\0')
+			last_non_empty = i;
 	}
+
+	/* Remove trailing blank lines. */
+	curr->num_lines = last_non_empty + 1;
 }
 
 struct list_head *extract_doc_sections(char **rawlines)