X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Fbytecode%2Fbytecode.c;h=4f8c325b5da6a6734be6255f64ea07f4ef221f40;hp=b8edd6913e18fa9fe1b4f7dbb753380c05a59e89;hb=2b00d46244cab86f1186a7b00cdc660f24a26f72;hpb=0ae3cfc61fedae38ef31fe5a99458c4f2161c3b5

diff --git a/src/common/bytecode/bytecode.c b/src/common/bytecode/bytecode.c
index b8edd6913..4f8c325b5 100644
--- a/src/common/bytecode/bytecode.c
+++ b/src/common/bytecode/bytecode.c
@@ -24,11 +24,11 @@ static inline int get_count_order(unsigned int count)
 }
 
 LTTNG_HIDDEN
-int bytecode_init(struct lttng_filter_bytecode_alloc **fb)
+int bytecode_init(struct lttng_bytecode_alloc **fb)
 {
 	uint32_t alloc_len;
 
-	alloc_len = sizeof(struct lttng_filter_bytecode_alloc) + INIT_ALLOC_SIZE;
+	alloc_len = sizeof(struct lttng_bytecode_alloc) + INIT_ALLOC_SIZE;
 	*fb = calloc(alloc_len, 1);
 	if (!*fb) {
 		return -ENOMEM;
@@ -39,19 +39,19 @@ int bytecode_init(struct lttng_filter_bytecode_alloc **fb)
 }
 
 LTTNG_HIDDEN
-int32_t bytecode_reserve(struct lttng_filter_bytecode_alloc **fb, uint32_t align, uint32_t len)
+int32_t bytecode_reserve(struct lttng_bytecode_alloc **fb, uint32_t align, uint32_t len)
 {
 	int32_t ret;
 	uint32_t padding = offset_align((*fb)->b.len, align);
 	uint32_t new_len = (*fb)->b.len + padding + len;
-	uint32_t new_alloc_len = sizeof(struct lttng_filter_bytecode_alloc) + new_len;
+	uint32_t new_alloc_len = sizeof(struct lttng_bytecode_alloc) + new_len;
 	uint32_t old_alloc_len = (*fb)->alloc_len;
 
 	if (new_len > LTTNG_FILTER_MAX_LEN)
 		return -EINVAL;
 
 	if (new_alloc_len > old_alloc_len) {
-		struct lttng_filter_bytecode_alloc *newptr;
+		struct lttng_bytecode_alloc *newptr;
 
 		new_alloc_len =
 			max_t(uint32_t, 1U << get_count_order(new_alloc_len), old_alloc_len << 1);
@@ -70,7 +70,7 @@ int32_t bytecode_reserve(struct lttng_filter_bytecode_alloc **fb, uint32_t align
 }
 
 LTTNG_HIDDEN
-int bytecode_push(struct lttng_filter_bytecode_alloc **fb, const void *data,
+int bytecode_push(struct lttng_bytecode_alloc **fb, const void *data,
 		uint32_t align, uint32_t len)
 {
 	int32_t offset;
@@ -83,7 +83,7 @@ int bytecode_push(struct lttng_filter_bytecode_alloc **fb, const void *data,
 }
 
 LTTNG_HIDDEN
-int bytecode_push_logical(struct lttng_filter_bytecode_alloc **fb,
+int bytecode_push_logical(struct lttng_bytecode_alloc **fb,
 		struct logical_op *data,
 		uint32_t align, uint32_t len,
 		uint16_t *skip_offset)
@@ -99,3 +99,25 @@ int bytecode_push_logical(struct lttng_filter_bytecode_alloc **fb,
 			- (void *) &(*fb)->b.data[0];
 	return 0;
 }
+
+/*
+ * Allocate an lttng_bytecode object and copy the given original bytecode.
+ *
+ * Return allocated bytecode or NULL on error.
+ */
+LTTNG_HIDDEN
+struct lttng_bytecode *lttng_bytecode_copy(
+		const struct lttng_bytecode *orig_f)
+{
+	struct lttng_bytecode *bytecode = NULL;
+
+	bytecode = zmalloc(sizeof(*bytecode) + orig_f->len);
+	if (!bytecode) {
+		goto error;
+	}
+
+	memcpy(bytecode, orig_f, sizeof(*bytecode) + orig_f->len);
+
+error:
+	return bytecode;
+}