3 files changed, 40 insertions, 4 deletions
diff --git a/common/buffer.c b/common/buffer.c
index 72f0b6c..5a77922 100644
--- a/common/buffer.c
+++ b/common/buffer.c
@@ -1,6 +1,7 @@
 
 #include "usuals.h"
 #include "httpauthd.h"
+#include "stringx.h"
 
 #include <syslog.h>
 
@@ -316,10 +317,7 @@ char* ha_bufparseline(ha_buffer_t* buf, int trim)
   buf->_pp = t + 1;
 
   if(trim)
-  {
-    while(t > line && isspace(*(--t)))
-      *t = 0;
-  }
+    line = trim_space(line);
 
   /* We don't return empty strings */
   if(line[0] == 0)
diff --git a/common/stringx.c b/common/stringx.c
new file mode 100644
index 0000000..159a7f4
--- /dev/null
+++ b/common/stringx.c
@@ -0,0 +1,29 @@
+
+#include <string.h>
+#include "stringx.h"
+
+const char* trim_start(const char* data)
+{
+  while(*data && isspace(*data))
+    ++data;
+  return data;
+}
+
+char* trim_end(char* data)
+{
+  char* t = data + strlen(data);
+
+  while(t > data && isspace(*(t - 1)))
+  {
+    t--;
+    *t = 0;
+  }
+
+  return data;
+}
+
+char* trim_space(char* data)
+{
+  data = (char*)trim_start(data);
+  return trim_end(data);
+}
diff --git a/common/stringx.h b/common/stringx.h
new file mode 100644
index 0000000..4776170
--- /dev/null
+++ b/common/stringx.h
@@ -0,0 +1,9 @@
+
+#ifndef __STRINGX_H__
+#define __STRINGX_H__
+
+const char* trim_start(const char* data);
+char* trim_end(char* data);
+char* trim_space(char* data);
+
+#endif /* __STRINGX_H__ */