Mailing List Archive

Export libxl__json_object_alloc and libxl__json_object_append_to to
use them in a later patch.

Backported from xen-unstable patch:
: User Anthony PERARD <anthony.perard@citrix.com>
: Date 1349693129 -3600
: Node ID c9b80c7f8db1a5d26906a2298c481bf7e87fda94
: Parent 93e3e6a33e0a1ec9f92fc575334caa35e6dbc757
---
tools/libxl/libxl_internal.h | 14 ++++++++++++--
tools/libxl/libxl_json.c | 32 ++++++++++++++++----------------
2 files changed, 28 insertions(+), 18 deletions(-)

diff --git a/tools/libxl/libxl_internal.h b/tools/libxl/libxl_internal.h
index a135cd7..2959527 100644
--- a/tools/libxl/libxl_internal.h
+++ b/tools/libxl/libxl_internal.h
@@ -1512,6 +1512,15 @@ static inline long long libxl__json_object_get_integer(const libxl__json_object
return -1;
}

+/*
+ * NOGC can be used with those json_object functions, but the
+ * libxl__json_object* will need to be freed with libxl__json_object_free.
+ */
+_hidden libxl__json_object *libxl__json_object_alloc(libxl__gc *gc_opt,
+ libxl__json_node_type type);
+_hidden int libxl__json_object_append_to(libxl__gc *gc_opt,
+ libxl__json_object *obj,
+ libxl__json_object *dst);
_hidden libxl__json_object *libxl__json_array_get(const libxl__json_object *o,
int i);
_hidden
@@ -1520,9 +1529,10 @@ libxl__json_map_node *libxl__json_map_node_get(const libxl__json_object *o,
_hidden const libxl__json_object *libxl__json_map_get(const char *key,
const libxl__json_object *o,
libxl__json_node_type expected_type);
-_hidden void libxl__json_object_free(libxl__gc *gc, libxl__json_object *obj);
+_hidden void libxl__json_object_free(libxl__gc *gc_opt,
+ libxl__json_object *obj);

-_hidden libxl__json_object *libxl__json_parse(libxl__gc *gc, const char *s);
+_hidden libxl__json_object *libxl__json_parse(libxl__gc *gc_opt, const char *s);

/* Based on /local/domain/$domid/dm-version xenstore key
* default is qemu xen traditional */
diff --git a/tools/libxl/libxl_json.c b/tools/libxl/libxl_json.c
index caa8312..0b0cf2f 100644
--- a/tools/libxl/libxl_json.c
+++ b/tools/libxl/libxl_json.c
@@ -205,7 +205,7 @@ yajl_gen_status libxl__string_gen_json(yajl_gen hand,
* libxl__json_object helper functions
*/

-static libxl__json_object *json_object_alloc(libxl__gc *gc,
+libxl__json_object *libxl__json_object_alloc(libxl__gc *gc,
libxl__json_node_type type)
{
libxl__json_object *obj;
@@ -236,7 +236,7 @@ static libxl__json_object *json_object_alloc(libxl__gc *gc,
return obj;
}

-static int json_object_append_to(libxl__gc *gc,
+int libxl__json_object_append_to(libxl__gc *gc,
libxl__json_object *obj,
libxl__json_object *dst)
{
@@ -393,10 +393,10 @@ static int json_callback_null(void *opaque)

DEBUG_GEN(ctx, null);

- if ((obj = json_object_alloc(ctx->gc, JSON_NULL)) == NULL)
+ if ((obj = libxl__json_object_alloc(ctx->gc, JSON_NULL)) == NULL)
return 0;

- if (json_object_append_to(ctx->gc, obj, ctx->current) == -1) {
+ if (libxl__json_object_append_to(ctx->gc, obj, ctx->current) == -1) {
libxl__json_object_free(ctx->gc, obj);
return 0;
}
@@ -411,11 +411,11 @@ static int json_callback_boolean(void *opaque, int boolean)

DEBUG_GEN_VALUE(ctx, bool, boolean);

- if ((obj = json_object_alloc(ctx->gc,
+ if ((obj = libxl__json_object_alloc(ctx->gc,
boolean ? JSON_TRUE : JSON_FALSE)) == NULL)
return 0;

- if (json_object_append_to(ctx->gc, obj, ctx->current) == -1) {
+ if (libxl__json_object_append_to(ctx->gc, obj, ctx->current) == -1) {
libxl__json_object_free(ctx->gc, obj);
return 0;
}
@@ -448,7 +448,7 @@ static int json_callback_number(void *opaque, const char *s, libxl_yajl_length l
goto error;
}

- if ((obj = json_object_alloc(ctx->gc, JSON_DOUBLE)) == NULL)
+ if ((obj = libxl__json_object_alloc(ctx->gc, JSON_DOUBLE)) == NULL)
return 0;
obj->u.d = d;
} else {
@@ -458,7 +458,7 @@ static int json_callback_number(void *opaque, const char *s, libxl_yajl_length l
goto error;
}

- if ((obj = json_object_alloc(ctx->gc, JSON_INTEGER)) == NULL)
+ if ((obj = libxl__json_object_alloc(ctx->gc, JSON_INTEGER)) == NULL)
return 0;
obj->u.i = i;
}
@@ -466,7 +466,7 @@ static int json_callback_number(void *opaque, const char *s, libxl_yajl_length l

error:
/* If the conversion fail, we just store the original string. */
- if ((obj = json_object_alloc(ctx->gc, JSON_NUMBER)) == NULL)
+ if ((obj = libxl__json_object_alloc(ctx->gc, JSON_NUMBER)) == NULL)
return 0;

t = malloc(len + 1);
@@ -481,7 +481,7 @@ error:
obj->u.string = t;

out:
- if (json_object_append_to(ctx->gc, obj, ctx->current) == -1) {
+ if (libxl__json_object_append_to(ctx->gc, obj, ctx->current) == -1) {
libxl__json_object_free(ctx->gc, obj);
return 0;
}
@@ -508,13 +508,13 @@ static int json_callback_string(void *opaque, const unsigned char *str,
strncpy(t, (const char *) str, len);
t[len] = 0;

- if ((obj = json_object_alloc(ctx->gc, JSON_STRING)) == NULL) {
+ if ((obj = libxl__json_object_alloc(ctx->gc, JSON_STRING)) == NULL) {
free(t);
return 0;
}
obj->u.string = t;

- if (json_object_append_to(ctx->gc, obj, ctx->current) == -1) {
+ if (libxl__json_object_append_to(ctx->gc, obj, ctx->current) == -1) {
libxl__json_object_free(ctx->gc, obj);
return 0;
}
@@ -573,11 +573,11 @@ static int json_callback_start_map(void *opaque)

DEBUG_GEN(ctx, map_open);

- if ((obj = json_object_alloc(ctx->gc, JSON_MAP)) == NULL)
+ if ((obj = libxl__json_object_alloc(ctx->gc, JSON_MAP)) == NULL)
return 0;

if (ctx->current) {
- if (json_object_append_to(ctx->gc, obj, ctx->current) == -1) {
+ if (libxl__json_object_append_to(ctx->gc, obj, ctx->current) == -1) {
libxl__json_object_free(ctx->gc, obj);
return 0;
}
@@ -615,11 +615,11 @@ static int json_callback_start_array(void *opaque)

DEBUG_GEN(ctx, array_open);

- if ((obj = json_object_alloc(ctx->gc, JSON_ARRAY)) == NULL)
+ if ((obj = libxl__json_object_alloc(ctx->gc, JSON_ARRAY)) == NULL)
return 0;

if (ctx->current) {
- if (json_object_append_to(ctx->gc, obj, ctx->current) == -1) {
+ if (libxl__json_object_append_to(ctx->gc, obj, ctx->current) == -1) {
libxl__json_object_free(ctx->gc, obj);
return 0;
}
--
1.7.4.1


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