MINOR: http: Add helper functions to trim spaces and tabs
Add two helper functions that trim leading or trailing spaces and
horizontal tabs from an ist string.
diff --git a/include/haproxy/http.h b/include/haproxy/http.h
index fb47abd..582a666 100644
--- a/include/haproxy/http.h
+++ b/include/haproxy/http.h
@@ -59,6 +59,9 @@
int http_compare_etags(struct ist etag1, struct ist etag2);
+struct ist http_trim_leading_spht(struct ist value);
+struct ist http_trim_trailing_spht(struct ist value);
+
/*
* Given a path string and its length, find the position of beginning of the
* query string. Returns NULL if no query string is found in the path.
diff --git a/src/http.c b/src/http.c
index 22a5a14..d331699 100644
--- a/src/http.c
+++ b/src/http.c
@@ -1074,3 +1074,34 @@
return isteq(etag1, etag2);
}
+
+
+/*
+ * Trim leading space or horizontal tab characters from <value> string.
+ * Returns the trimmed string.
+ */
+struct ist http_trim_leading_spht(struct ist value)
+{
+ struct ist ret = value;
+
+ while (ret.len && HTTP_IS_SPHT(ret.ptr[0])) {
+ ++ret.ptr;
+ --ret.len;
+ }
+
+ return ret;
+}
+
+/*
+ * Trim trailing space or horizontal tab characters from <value> string.
+ * Returns the trimmed string.
+ */
+struct ist http_trim_trailing_spht(struct ist value)
+{
+ struct ist ret = value;
+
+ while (ret.len && HTTP_IS_SPHT(ret.ptr[-1]))
+ --ret.len;
+
+ return ret;
+}