From 982a441111bd6105dbcc86a309ba836bd6aee2e3 Mon Sep 17 00:00:00 2001
From: "badami%netscape.com" <badami%netscape.com>
Date: Tue, 12 Mar 2002 04:07:14 +0000
Subject: [PATCH] image not loaded if SRC URL has a leading SPACE character.
 bug 117410 r=bbaetz sr=darin a=asa

---
 netwerk/base/src/nsStandardURL.cpp | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/netwerk/base/src/nsStandardURL.cpp b/netwerk/base/src/nsStandardURL.cpp
index 4c2a47d0213d..183b330bd9e9 100644
--- a/netwerk/base/src/nsStandardURL.cpp
+++ b/netwerk/base/src/nsStandardURL.cpp
@@ -125,6 +125,14 @@ FilterString(const char *str, nsCString &result)
     PRBool writing = PR_FALSE;
     result.Truncate();
     const char *p = str;
+
+    // Remove leading spaces, tabs, CR, LF if any.
+    while (*p == ' ' || *p == '\t' || *p == '\r' || *p == '\n') {
+        writing = PR_TRUE;
+        str = p + 1;
+        p++;
+    }
+
     for (; *p; ++p) {
         if (*p == '\t' || *p == '\r' || *p == '\n') {
             writing = PR_TRUE;
@@ -134,8 +142,16 @@ FilterString(const char *str, nsCString &result)
             str = p + 1;
         }
     }
+
+    // Remove trailing spaces if any
+    while (((p-1) >= str) && (*(p-1) == ' ')) {
+        writing = PR_TRUE;
+        p--;
+    }
+
     if (writing && p > str)
         result.Append(str, p - str);
+
     return writing ? result.get() : str;
 }
 
@@ -994,6 +1010,9 @@ nsStandardURL::SetSpec(const nsACString &input)
 
     Clear();
 
+    if (!spec)
+        return NS_OK;
+
     // filter out unexpected chars "\r\n\t" if necessary
     nsCAutoString buf1;
     spec = FilterString(spec, buf1);