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Diffstat (limited to 'i/pc104/initrd/conf/busybox/libbb/trim.c')
-rw-r--r--i/pc104/initrd/conf/busybox/libbb/trim.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/i/pc104/initrd/conf/busybox/libbb/trim.c b/i/pc104/initrd/conf/busybox/libbb/trim.c
new file mode 100644
index 0000000..d363915
--- /dev/null
+++ b/i/pc104/initrd/conf/busybox/libbb/trim.c
@@ -0,0 +1,31 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) many different people.
+ * If you wrote this, please acknowledge your work.
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+#include "libbb.h"
+
+
+void trim(char *s)
+{
+ size_t len = strlen(s);
+ size_t lws;
+
+ /* trim trailing whitespace */
+ while (len && isspace(s[len-1])) --len;
+
+ /* trim leading whitespace */
+ if(len) {
+ lws = strspn(s, " \n\r\t\v");
+ memmove(s, s + lws, len -= lws);
+ }
+ s[len] = 0;
+}