[Libvirt-cim] [PATCH] Add new function cu_copy_prop, which copies a property from one instance to another

This is Jay's cu_copy_prop() function, which I got privately and forgot to put in the tree before his patch that uses it. I'm going to commit it now. -- Dan Smith IBM Linux Technology Center Open Hypervisor Team email: danms(a)us.ibm.com # HG changeset patch # User Jay Gagnon <grendel(a)linux.vnet.ibm.com&gt; # Date 1195502361 18000 # Node ID 805e9c0e7a9d3c7c6fe4e4f9546f48df5bd6c372 # Parent d6f1b6d1296bbe43c4edcc35475a05eef570e806 Add new function cu_copy_prop, which copies a property from one instance to another. Signed-off-by: Jay Gagnon <grendel(a)linux.vnet.ibm.com&gt; diff -r d6f1b6d1296b -r 805e9c0e7a9d instance_util.c --- a/instance_util.c Thu Nov 15 13:07:50 2007 -0800 +++ b/instance_util.c Mon Nov 19 14:59:21 2007 -0500 @@ -156,6 +156,37 @@ const char *cu_compare_ref(const CMPIObj prop = NULL; out: return prop; +} + +CMPIStatus cu_copy_prop(const CMPIBroker *broker, + CMPIInstance *src_inst, CMPIInstance *dest_inst, + char *src_name, char *dest_name) +{ + CMPIData data; + CMPIStatus s = {CMPI_RC_OK, NULL}; + + if (src_name == NULL) { + cu_statusf(broker, &s, + CMPI_RC_ERR_FAILED, + "No property name given"); + goto out; + } + + if (dest_name == NULL) + dest_name = src_name; + + data = CMGetProperty(src_inst, src_name, &s); + if (s.rc != CMPI_RC_OK || CMIsNullValue(data)) { + cu_statusf(broker, &s, + CMPI_RC_ERR_FAILED, + "Copy failed. Could not get prop '%s'.", src_name); + goto out; + } + + CMSetProperty(dest_inst, dest_name, &(data.value), data.type); + + out: + return s; } /* diff -r d6f1b6d1296b -r 805e9c0e7a9d libcmpiutil.h --- a/libcmpiutil.h Thu Nov 15 13:07:50 2007 -0800 +++ b/libcmpiutil.h Mon Nov 19 14:59:21 2007 -0500 @@ -61,6 +61,20 @@ * If set to anything else, uses value as name of log file to fprintf to. */ void debug_print(char *fmt, ...); + +/** + * Copies a property from one CMPIInstance to another. If dest_name is NULL, + * it is assumed to be the same as src_name. + * + * @param broker CIM broker, needed for status calls + * @param src_inst Instance to copy from + * @param dest_inst Instance to copy to + * @param src_name Name of property to be copied from src_inst + * @param dest_name Name of property to be copied to dest_inst + */ +CMPIStatus cu_copy_prop(const CMPIBroker *broker, + CMPIInstance *src_inst, CMPIInstance *dest_inst, + char *src_name, char *dest_name); /** * Check arguments (names and count)