1 files changed, 88 insertions, 0 deletions
diff --git a/include/crm/common/nvpair.h b/include/crm/common/nvpair.h
new file mode 100644
index 0000000..aebc199
--- /dev/null
+++ b/include/crm/common/nvpair.h
@@ -0,0 +1,88 @@
+/*
+ * Copyright 2004-2022 the Pacemaker project contributors
+ *
+ * The version control history for this file may have further details.
+ *
+ * This source code is licensed under the GNU Lesser General Public License
+ * version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY.
+ */
+
+#ifndef PCMK__CRM_COMMON_NVPAIR__H
+#  define PCMK__CRM_COMMON_NVPAIR__H
+
+#  include <sys/time.h>     // struct timeval
+#  include <glib.h>         // gpointer, gboolean, guint
+#  include <libxml/tree.h>  // xmlNode
+#  include <crm/crm.h>
+
+
+#  ifdef __cplusplus
+extern "C" {
+#  endif
+
+/**
+ * \file
+ * \brief Functionality for manipulating name/value pairs
+ * \ingroup core
+ */
+
+typedef struct pcmk_nvpair_s {
+    char *name;
+    char *value;
+} pcmk_nvpair_t;
+
+GSList *pcmk_prepend_nvpair(GSList *nvpairs, const char *name, const char *value);
+void pcmk_free_nvpairs(GSList *nvpairs);
+GSList *pcmk_sort_nvpairs(GSList *list);
+GSList *pcmk_xml_attrs2nvpairs(const xmlNode *xml);
+void pcmk_nvpairs2xml_attrs(GSList *list, xmlNode *xml);
+
+xmlNode *crm_create_nvpair_xml(xmlNode *parent, const char *id,
+                               const char *name, const char *value);
+void hash2nvpair(gpointer key, gpointer value, gpointer user_data);
+void hash2field(gpointer key, gpointer value, gpointer user_data);
+void hash2metafield(gpointer key, gpointer value, gpointer user_data);
+void hash2smartfield(gpointer key, gpointer value, gpointer user_data);
+GHashTable *xml2list(const xmlNode *parent);
+
+const char *crm_xml_add(xmlNode *node, const char *name, const char *value);
+const char *crm_xml_replace(xmlNode *node, const char *name, const char *value);
+const char *crm_xml_add_int(xmlNode *node, const char *name, int value);
+const char *crm_xml_add_ll(xmlNode *node, const char *name, long long value);
+const char *crm_xml_add_ms(xmlNode *node, const char *name, guint ms);
+const char *crm_xml_add_timeval(xmlNode *xml, const char *name_sec,
+                                const char *name_usec,
+                                const struct timeval *value);
+
+const char *crm_element_value(const xmlNode *data, const char *name);
+int crm_element_value_int(const xmlNode *data, const char *name, int *dest);
+int crm_element_value_ll(const xmlNode *data, const char *name, long long *dest);
+int crm_element_value_ms(const xmlNode *data, const char *name, guint *dest);
+int crm_element_value_epoch(const xmlNode *xml, const char *name, time_t *dest);
+int crm_element_value_timeval(const xmlNode *data, const char *name_sec,
+                              const char *name_usec, struct timeval *dest);
+char *crm_element_value_copy(const xmlNode *data, const char *name);
+
+/*!
+ * \brief Copy an element from one XML object to another
+ *
+ * \param[in]     obj1     Source XML
+ * \param[in,out] obj2     Destination XML
+ * \param[in]     element  Name of element to copy
+ *
+ * \return Pointer to copied value (from source)
+ */
+static inline const char *
+crm_copy_xml_element(const xmlNode *obj1, xmlNode *obj2, const char *element)
+{
+    const char *value = crm_element_value(obj1, element);
+
+    crm_xml_add(obj2, element, value);
+    return value;
+}
+
+#  ifdef __cplusplus
+}
+#  endif
+
+#endif // PCMK__CRM_COMMON_NVPAIR__H