Fix: access to declaration from declaration_field
authorJulien Desfossez <jdesfossez@efficios.com>
Tue, 11 Sep 2012 02:01:05 +0000 (22:01 -0400)
committerMathieu Desnoyers <mathieu.desnoyers@efficios.com>
Tue, 11 Sep 2012 02:01:05 +0000 (22:01 -0400)
Rename the bt_ctf_get_decl_fields into bt_ctf_get_decl_from_def and
introduce the new bt_ctf_get_decl_from_field_decl to allow the user to
access the declaration from a field_declaration.

Signed-off-by: Julien Desfossez <jdesfossez@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
formats/ctf/events.c
include/babeltrace/ctf/events.h

index d3488b3f9d7b8e3cb010d2c6d8497e16afbaa4ff..7619de74b9ac85993e4132325822ed2431b1045f 100644 (file)
@@ -110,7 +110,7 @@ const struct definition *bt_ctf_get_field(const struct bt_ctf_event *ctf_event,
                def = lookup_definition(scope, field_underscore);
                g_free(field_underscore);
        }
-       if (bt_ctf_field_type(bt_ctf_get_field_decl(def)) == CTF_TYPE_VARIANT) {
+       if (bt_ctf_field_type(bt_ctf_get_decl_from_def(def)) == CTF_TYPE_VARIANT) {
                const struct definition_variant *variant_definition;
                variant_definition = container_of(def,
                                const struct definition_variant, p);
@@ -128,12 +128,12 @@ const struct definition *bt_ctf_get_index(const struct bt_ctf_event *ctf_event,
        if (!ctf_event || !field)
                return NULL;
 
-       if (bt_ctf_field_type(bt_ctf_get_field_decl(field)) == CTF_TYPE_ARRAY) {
+       if (bt_ctf_field_type(bt_ctf_get_decl_from_def(field)) == CTF_TYPE_ARRAY) {
                struct definition_array *array_definition;
                array_definition = container_of(field,
                                struct definition_array, p);
                ret = array_index(array_definition, index);
-       } else if (bt_ctf_field_type(bt_ctf_get_field_decl(field)) == CTF_TYPE_SEQUENCE) {
+       } else if (bt_ctf_field_type(bt_ctf_get_decl_from_def(field)) == CTF_TYPE_SEQUENCE) {
                struct definition_sequence *sequence_definition;
                sequence_definition = container_of(field,
                                struct definition_sequence, p);
@@ -182,7 +182,7 @@ int bt_ctf_get_field_list(const struct bt_ctf_event *ctf_event,
        if (!ctf_event || !scope || !list || !count)
                return -EINVAL;
 
-       switch (bt_ctf_field_type(bt_ctf_get_field_decl(scope))) {
+       switch (bt_ctf_field_type(bt_ctf_get_decl_from_def(scope))) {
        case CTF_TYPE_INTEGER:
        case CTF_TYPE_FLOAT:
        case CTF_TYPE_STRING:
@@ -425,7 +425,7 @@ const struct definition *bt_ctf_get_enum_int(const struct definition *field)
 {
        const struct definition_enum *def_enum;
 
-       if (!field || bt_ctf_field_type(bt_ctf_get_field_decl(field)) != CTF_TYPE_ENUM) {
+       if (!field || bt_ctf_field_type(bt_ctf_get_decl_from_def(field)) != CTF_TYPE_ENUM) {
                bt_ctf_field_set_error(-EINVAL);
                return NULL;
        }
@@ -440,7 +440,7 @@ const char *bt_ctf_get_enum_str(const struct definition *field)
        GArray *array;
        const char *ret;
 
-       if (!field || bt_ctf_field_type(bt_ctf_get_field_decl(field)) != CTF_TYPE_ENUM) {
+       if (!field || bt_ctf_field_type(bt_ctf_get_decl_from_def(field)) != CTF_TYPE_ENUM) {
                bt_ctf_field_set_error(-EINVAL);
                return NULL;
        }
@@ -520,7 +520,7 @@ uint64_t bt_ctf_get_uint64(const struct definition *field)
 {
        uint64_t ret = 0;
 
-       if (field && bt_ctf_field_type(bt_ctf_get_field_decl(field)) == CTF_TYPE_INTEGER)
+       if (field && bt_ctf_field_type(bt_ctf_get_decl_from_def(field)) == CTF_TYPE_INTEGER)
                ret = get_unsigned_int(field);
        else
                bt_ctf_field_set_error(-EINVAL);
@@ -532,7 +532,7 @@ int64_t bt_ctf_get_int64(const struct definition *field)
 {
        int64_t ret = 0;
 
-       if (field && bt_ctf_field_type(bt_ctf_get_field_decl(field)) == CTF_TYPE_INTEGER)
+       if (field && bt_ctf_field_type(bt_ctf_get_decl_from_def(field)) == CTF_TYPE_INTEGER)
                ret = get_signed_int(field);
        else
                bt_ctf_field_set_error(-EINVAL);
@@ -545,7 +545,7 @@ char *bt_ctf_get_char_array(const struct definition *field)
        char *ret = NULL;
        GString *char_array;
 
-       if (field && bt_ctf_field_type(bt_ctf_get_field_decl(field)) == CTF_TYPE_ARRAY) {
+       if (field && bt_ctf_field_type(bt_ctf_get_decl_from_def(field)) == CTF_TYPE_ARRAY) {
                char_array = get_char_array(field);
                if (char_array) {
                        ret = char_array->str;
@@ -562,7 +562,7 @@ char *bt_ctf_get_string(const struct definition *field)
 {
        char *ret = NULL;
 
-       if (field && bt_ctf_field_type(bt_ctf_get_field_decl(field)) == CTF_TYPE_STRING)
+       if (field && bt_ctf_field_type(bt_ctf_get_decl_from_def(field)) == CTF_TYPE_STRING)
                ret = get_string(field);
        else
                bt_ctf_field_set_error(-EINVAL);
@@ -729,10 +729,19 @@ const char *bt_ctf_get_decl_field_name(const struct bt_ctf_field_decl *field)
        return rem_(g_quark_to_string(((struct declaration_field *) field)->name));
 }
 
-const struct declaration *bt_ctf_get_field_decl(const struct definition *def)
+const struct declaration *bt_ctf_get_decl_from_def(const struct definition *def)
 {
        if (def)
                return def->declaration;
 
        return NULL;
 }
+
+const struct declaration *bt_ctf_get_decl_from_field_decl(
+               const struct bt_ctf_field_decl *field)
+{
+       if (field)
+               return ((struct declaration_field *) field)->declaration;
+
+       return NULL;
+}
index e63bae13d92efd293d8dc569e61e707497fe1699..e4074037ac0430125efa1494b1846e6caaa912a8 100644 (file)
@@ -147,10 +147,17 @@ const struct definition *bt_ctf_get_index(const struct bt_ctf_event *event,
 const char *bt_ctf_field_name(const struct definition *def);
 
 /*
- * bt_ctf_get_field_decl: return the declaration of a field or NULL
- * on error
+ * bt_ctf_get_decl_from_def: return the declaration of a field from
+ * its definition or NULL on error
  */
-const struct declaration *bt_ctf_get_field_decl(const struct definition *def);
+const struct declaration *bt_ctf_get_decl_from_def(const struct definition *def);
+
+/*
+ * bt_ctf_get_decl_from_field_decl: return the declaration of a field from
+ * a field_decl or NULL on error
+ */
+const struct declaration *bt_ctf_get_decl_from_field_decl(
+               const struct bt_ctf_field_decl *field);
 
 /*
  * bt_ctf_field_type: returns the type of a field or -1 if unknown
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