Re-factored sexpr_uuid into virParseUUID

ChangeLog

+Wed Aug 16 11:36:21 EDT 2006 Daniel Berrange <berrange@redhat.com>
+	
+	* src/xend_internal.c, src/xml.c, src/xml.h: Refactored the 
+	sexpr_uuid method into a re-usable virParseUUID method which
+	can be used by any backend
+	
 Wed Aug 16 11:31:59 EDT 2006 Daniel Berrange <berrange@redhat.com>
 
 	* src/libvirt.c: Remove some duplicated changes for VIR_DOMAIN_RO

src/xend_internal.c

@@ -780,62 +780,7 @@ static unsigned char *
 sexpr_uuid(char **ptr, struct sexpr *node, const char *path)
 {
     const char *r = sexpr_node(node, path);
-    int uuid[16];
-    unsigned char *dst_uuid = NULL;
-    int ret;
-    int i;
-
-    memset(uuid, 0xFF, sizeof(uuid));
-
-    if (r == NULL)
-        goto error;
-
-    ret = sscanf(r,
-                 "%02x%02x%02x%02x"
-                 "%02x%02x%02x%02x"
-                 "%02x%02x%02x%02x"
-                 "%02x%02x%02x%02x",
-                 uuid + 0, uuid + 1, uuid + 2, uuid + 3,
-                 uuid + 4, uuid + 5, uuid + 6, uuid + 7,
-                 uuid + 8, uuid + 9, uuid + 10, uuid + 11,
-                 uuid + 12, uuid + 13, uuid + 14, uuid + 15);
-    if (ret == 16)
-        goto done;
-
-    ret = sscanf(r,
-                 "%02x%02x%02x%02x-"
-                 "%02x%02x-"
-                 "%02x%02x-"
-                 "%02x%02x-"
-                 "%02x%02x%02x%02x%02x%02x",
-                 uuid + 0, uuid + 1, uuid + 2, uuid + 3,
-                 uuid + 4, uuid + 5, uuid + 6, uuid + 7,
-                 uuid + 8, uuid + 9, uuid + 10, uuid + 11,
-                 uuid + 12, uuid + 13, uuid + 14, uuid + 15);
-    if (ret == 16)
-        goto done;
-
-    ret = sscanf(r,
-                 "%02x%02x%02x%02x-"
-                 "%02x%02x%02x%02x-"
-                 "%02x%02x%02x%02x-"
-                 "%02x%02x%02x%02x",
-                 uuid + 0, uuid + 1, uuid + 2, uuid + 3,
-                 uuid + 4, uuid + 5, uuid + 6, uuid + 7,
-                 uuid + 8, uuid + 9, uuid + 10, uuid + 11,
-                 uuid + 12, uuid + 13, uuid + 14, uuid + 15);
-    if (ret != 16)
-        goto error;
-
-  done:
-    dst_uuid = (unsigned char *) *ptr;
-    *ptr += 16;
-
-    for (i = 0; i < 16; i++)
-        dst_uuid[i] = uuid[i] & 0xFF;
-
-  error:
-    return dst_uuid;
+    return virParseUUID(ptr, r);
 }
 
 

src/xml.c

@@ -1249,3 +1249,64 @@ virDomainParseXMLDesc(const char *xmldesc, char **name)
 }
 
 #endif /* !PROXY */
+
+
+
+unsigned char *virParseUUID(char **ptr, const char *uuid) {
+    int rawuuid[16];
+    unsigned char *dst_uuid = NULL;
+    int ret;
+    int i;
+
+    memset(rawuuid, 0xFF, sizeof(rawuuid));
+
+    if (uuid == NULL)
+        goto error;
+
+    ret = sscanf(uuid,
+                 "%02x%02x%02x%02x"
+                 "%02x%02x%02x%02x"
+                 "%02x%02x%02x%02x"
+                 "%02x%02x%02x%02x",
+                 rawuuid + 0, rawuuid + 1, rawuuid + 2, rawuuid + 3,
+                 rawuuid + 4, rawuuid + 5, rawuuid + 6, rawuuid + 7,
+                 rawuuid + 8, rawuuid + 9, rawuuid + 10, rawuuid + 11,
+                 rawuuid + 12, rawuuid + 13, rawuuid + 14, rawuuid + 15);
+    if (ret == 16)
+        goto done;
+
+    ret = sscanf(uuid,
+                 "%02x%02x%02x%02x-"
+                 "%02x%02x-"
+                 "%02x%02x-"
+                 "%02x%02x-"
+                 "%02x%02x%02x%02x%02x%02x",
+                 rawuuid + 0, rawuuid + 1, rawuuid + 2, rawuuid + 3,
+                 rawuuid + 4, rawuuid + 5, rawuuid + 6, rawuuid + 7,
+                 rawuuid + 8, rawuuid + 9, rawuuid + 10, rawuuid + 11,
+                 rawuuid + 12, rawuuid + 13, rawuuid + 14, rawuuid + 15);
+    if (ret == 16)
+        goto done;
+
+    ret = sscanf(uuid,
+                 "%02x%02x%02x%02x-"
+                 "%02x%02x%02x%02x-"
+                 "%02x%02x%02x%02x-"
+                 "%02x%02x%02x%02x",
+                 rawuuid + 0, rawuuid + 1, rawuuid + 2, rawuuid + 3,
+                 rawuuid + 4, rawuuid + 5, rawuuid + 6, rawuuid + 7,
+                 rawuuid + 8, rawuuid + 9, rawuuid + 10, rawuuid + 11,
+                 rawuuid + 12, rawuuid + 13, rawuuid + 14, rawuuid + 15);
+    if (ret != 16)
+        goto error;
+
+  done:
+    dst_uuid = (unsigned char *) *ptr;
+    *ptr += 16;
+
+    for (i = 0; i < 16; i++)
+        dst_uuid[i] = rawuuid[i] & 0xFF;
+
+  error:
+    return dst_uuid;
+}

src/xml.h

@@ -30,6 +30,7 @@ int virBufferAdd(virBufferPtr buf, const char *str, int len);
 int virBufferVSprintf(virBufferPtr buf, const char *format, ...);
 int virBufferStrcat(virBufferPtr buf, ...);
 char *virDomainParseXMLDesc(const char *xmldesc, char **name);
+unsigned char *virParseUUID(char **ptr, const char *uuid);
 
 #ifdef __cplusplus
 }