Simplify excessive copies when the string isn't transformed to upper.

  Backport of rev 1.10

Reviewed by: trawick


git-svn-id: http://svn.apache.org/repos/asf/apr/apr/branches/APR_0_9_BRANCH@65225 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 7 insertions, 6 deletions

diff --git a/file_io/os2/filesys.c b/file_io/os2/filesys.c
index b323e488d..ef597b38e 100644
--- a/file_io/os2/filesys.c
+++ b/file_io/os2/filesys.c
@@ -94,12 +94,13 @@ apr_status_t filepath_drive_get(char **rootpath, char drive,
 
 apr_status_t filepath_root_case(char **rootpath, char *root, apr_pool_t *p)
 {
-    char path[APR_PATH_MAX];
-
-    strcpy(path, root);
-    if (path[1] == ':')
-        path[0] = apr_toupper(path[0]);
-    *rootpath = apr_pstrdup(p, path);
+    if (root[0] && apr_islower(root[0]) && root[1] == ':') {
+        *rootpath = apr_pstrdup(p, root);
+        (*rootpath)[0] = apr_toupper((*rootpath)[0]);
+    }
+    else {
+       *rootpath = root;
+    }
     return APR_SUCCESS;
 }