sfeed

commit 9670471dad9d245464ce97e61b57f2de05159be8
parent 6f4dbe911948fff928721c7b926b230abff14321
Author: Hiltjo Posthuma <hiltjo@codemadness.org>
Date:   Tue, 23 Nov 2021 16:41:47 +0100

sfeed.1: improve a comment for string_append

Diffstat:
M
sfeed.c
 | 
4
++--

1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/sfeed.c b/sfeed.c
@@ -288,6 +288,7 @@ string_buffer_realloc(String *s, size_t newlen)
 	s->bufsiz = alloclen;
 }
 
+/* Append data to String, s->data and data may not overlap. */
 static void
 string_append(String *s, const char *data, size_t len)
 {
@@ -299,8 +300,7 @@ string_append(String *s, const char *data, size_t len)
 		err(1, "realloc");
 	}
 
-	/* check if allocation is necessary, don't shrink buffer,
-	 * should be more than bufsiz of course. */
+	/* check if allocation is necessary, never shrink the buffer. */
 	if (s->len + len >= s->bufsiz)
 		string_buffer_realloc(s, s->len + len + 1);
 	memcpy(s->data + s->len, data, len);