Add source.

1 files changed, 45 insertions, 0 deletions

diff --git a/sdk/other/strtrim.c b/sdk/other/strtrim.c
new file mode 100644
index 0000000..9afcfd5
--- /dev/null
+++ b/sdk/other/strtrim.c
@@ -0,0 +1,45 @@
+/*
+ * Portable string trimming routines.
+ * $Id$
+ * Copyright (c) 1997 by Tycho Softworks.
+ * For conditions of distribution and reuse see product license.
+ */
+
+#include <other/string.h>
+
+char	*strtrim(char *str, const char *trim)
+{
+	return strltrim(strrtrim(str, trim), trim);
+}
+
+char	*strrtrim(char *str, const char *trim)
+{
+	char	*end;
+	
+	if(!str)
+		return NULL;
+		
+	end = str + strlen(str);
+
+	while(end-- > str)
+	{
+		if(!strchr(trim, *end))
+			return str;
+		*end = 0;
+	}
+	return str;
+}
+
+char	*strltrim(char *str, const char *trim)
+{
+	if(!str)
+		return NULL;
+		
+	while(*str)
+	{
+		if(!strchr(trim, *str))
+			return str;
+		++str;
+	}
+	return str;
+}