X-Git-Url: http://git.marmaro.de/?p=mmh;a=blobdiff_plain;f=sbr%2Ftrim.c;fp=sbr%2Ftrim.c;h=9f08d99d2a18a5b65153134d28dd8a75ecb9117b;hp=0000000000000000000000000000000000000000;hb=d854cd83e7b14f3bc686688ef7099b5d75157647;hpb=ffabbf91237cb3b11f0dcb03334fe8f1e688d3e3

diff --git a/sbr/trim.c b/sbr/trim.c
new file mode 100644
index 0000000..9f08d99
--- /dev/null
+++ b/sbr/trim.c
@@ -0,0 +1,32 @@
+/*
+** trim.c -- strip leading and trailing whitespace ... inplace!
+**
+** This code is Copyright (c) 2002, by the authors of nmh.  See the
+** COPYRIGHT file in the root directory of the nmh distribution for
+** complete copyright information.
+*/
+
+#include <h/mh.h>
+
+
+char *
+trim(unsigned char *cp)
+{
+	unsigned char *sp;
+
+	/* skip over leading whitespace */
+	while (isspace(*cp)) {
+		cp++;
+	}
+
+	/* start at the end and zap trailing whitespace */
+	for (sp = cp + strlen(cp) - 1; sp >= cp; sp--) {
+		if (isspace(*sp)) {
+			*sp = '\0';
+		} else {
+			break;
+		}
+	}
+
+	return cp;
+}