1 files changed, 50 insertions, 0 deletions
diff --git a/src/util/trimblanks.c b/src/util/trimblanks.c
new file mode 100644
index 0000000..a4d9cb2
--- /dev/null
+++ b/src/util/trimblanks.c
@@ -0,0 +1,50 @@
+/*++
+/* NAME
+/*	trimblanks 3
+/* SUMMARY
+/*	skip leading whitespace
+/* SYNOPSIS
+/*	#include <stringops.h>
+/*
+/*	char	*trimblanks(string, len)
+/*	char	*string;
+/*	ssize_t	len;
+/* DESCRIPTION
+/*	trimblanks() returns a pointer to the beginning of the trailing
+/*	whitespace in \fIstring\fR, or a pointer to the string terminator
+/*	when the string contains no trailing whitespace.
+/*	The \fIlen\fR argument is either zero or the string length.
+/* LICENSE
+/* .ad
+/* .fi
+/*	The Secure Mailer license must be distributed with this software.
+/* AUTHOR(S)
+/*	Wietse Venema
+/*	IBM T.J. Watson Research
+/*	P.O. Box 704
+/*	Yorktown Heights, NY 10598, USA
+/*--*/
+
+/* System library. */
+
+#include "sys_defs.h"
+#include <ctype.h>
+
+/* Utility library. */
+
+#include "stringops.h"
+
+char   *trimblanks(char *string, ssize_t len)
+{
+    char   *curr;
+
+    if (len) {
+	curr = string + len;
+    } else {
+	for (curr = string; *curr != 0; curr++)
+	     /* void */ ;
+    }
+    while (curr > string && ISSPACE(curr[-1]))
+	curr -= 1;
+    return (curr);
+}