[svn-r22572] Re-Merge attr name with slash changes from trunk

Tested: localinux with cmake

1 files changed, 49 insertions, 0 deletions

diff --git a/tools/lib/h5tools_str.c b/tools/lib/h5tools_str.c
index 2bbafd8..c069ecc 100644
--- a/tools/lib/h5tools_str.c
+++ b/tools/lib/h5tools_str.c
@@ -1363,3 +1363,52 @@ h5tools_str_is_zero(const void *_mem, size_t size)
 
     return TRUE;
 }
+
+/*-------------------------------------------------------------------------
+ * Function:    h5tools_str_replace
+ *
+ * Purpose:     replace all occurrences of substring.
+ *
+ * Return:      char * 
+ *
+ * Programmer:  Peter Cao
+ *              March 8, 2012
+ *
+ * Notes:
+ *   Applications need to call free() to free the memoery allocated for 
+ *   the return string 
+ *
+ *-------------------------------------------------------------------------
+ */
+char *
+h5tools_str_replace ( const char *string, const char *substr, const char *replacement )
+{
+	char *tok = NULL;
+	char *newstr = NULL;
+	char *oldstr = NULL;
+	char *head = NULL;
+     
+	if ( substr == NULL || replacement == NULL ) 
+		return strdup (string);
+		
+	newstr = strdup (string);
+	head = newstr;
+	while ( (tok = strstr ( head, substr ))){
+		oldstr = newstr;
+		newstr = HDmalloc ( strlen ( oldstr ) - strlen ( substr ) + strlen ( replacement ) + 1 );
+
+        if ( newstr == NULL ){
+			HDfree (oldstr);
+			return NULL;
+        }
+        memcpy ( newstr, oldstr, tok - oldstr );
+        memcpy ( newstr + (tok - oldstr), replacement, strlen ( replacement ) );
+        memcpy ( newstr + (tok - oldstr) + strlen( replacement ), tok + strlen ( substr ), strlen ( oldstr ) - strlen ( substr ) - ( tok - oldstr ) );
+        memset ( newstr + strlen ( oldstr ) - strlen ( substr ) + strlen ( replacement ) , 0, 1 );
+        /* move back head right after the last replacement */
+        head = newstr + (tok - oldstr) + strlen( replacement );
+        HDfree (oldstr);
+    }
+	
+    return newstr;
+}