buffer: added strbuf_rtrim function.

2 files changed, 17 insertions, 9 deletions

diff --git a/src/buffer.c b/src/buffer.c
index 1cdcae8..a5139fa 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -291,19 +291,11 @@ void strbuf_drop(strbuf *buf, int n)
 	}
 }
 
-void strbuf_trim(strbuf *buf)
+void strbuf_rtrim(strbuf *buf)
 {
-	int i = 0;
-
 	if (!buf->size)
 		return;
 
-	while (i < buf->size && isspace(buf->ptr[i]))
-		i++;
-
-	strbuf_drop(buf, i);
-
-	/* rtrim */
 	while (buf->size > 0) {
 		if (!isspace(buf->ptr[buf->size - 1]))
 			break;
@@ -314,6 +306,21 @@ void strbuf_trim(strbuf *buf)
 	buf->ptr[buf->size] = '\0';
 }
 
+void strbuf_trim(strbuf *buf)
+{
+	int i = 0;
+
+	if (!buf->size)
+		return;
+
+	while (i < buf->size && isspace(buf->ptr[i]))
+		i++;
+
+	strbuf_drop(buf, i);
+
+	strbuf_rtrim(buf);
+}
+
 // Destructively modify string, collapsing consecutive
 // space and newline characters into a single space.
 void strbuf_normalize_whitespace(strbuf *s)
diff --git a/src/buffer.h b/src/buffer.h
index 1bc1eee..63d6202 100644
--- a/src/buffer.h
+++ b/src/buffer.h
@@ -107,6 +107,7 @@ int strbuf_strchr(const strbuf *buf, int c, int pos);
 int strbuf_strrchr(const strbuf *buf, int c, int pos);
 void strbuf_drop(strbuf *buf, int n);
 void strbuf_truncate(strbuf *buf, int len);
+void strbuf_rtrim(strbuf *buf);
 void strbuf_trim(strbuf *buf);
 void strbuf_normalize_whitespace(strbuf *s);
 void strbuf_unescape(strbuf *s);