From 4ed90fb3c1b2f7912d65b905d960274ce3738e0d Mon Sep 17 00:00:00 2001 From: =?utf8?q?J=C3=A9r=C3=A9mie=20Galarneau?= Date: Mon, 9 Mar 2015 14:39:15 -0400 Subject: [PATCH] Implement bt_ctf_trace_get_byte_order() MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Jérémie Galarneau --- formats/ctf/ir/trace.c | 22 ++++++++++++++++++++++ include/babeltrace/ctf-ir/trace.h | 14 +++++++++++++- 2 files changed, 35 insertions(+), 1 deletion(-) diff --git a/formats/ctf/ir/trace.c b/formats/ctf/ir/trace.c index f782c5f5..fb897dab 100644 --- a/formats/ctf/ir/trace.c +++ b/formats/ctf/ir/trace.c @@ -567,6 +567,28 @@ end: return metadata; } +enum bt_ctf_byte_order bt_ctf_trace_get_byte_order(struct bt_ctf_trace *trace) +{ + enum bt_ctf_byte_order ret = BT_CTF_BYTE_ORDER_UNKNOWN; + + if (!trace) { + goto end; + } + + switch (trace->byte_order) { + case BIG_ENDIAN: + ret = BT_CTF_BYTE_ORDER_BIG_ENDIAN; + break; + case LITTLE_ENDIAN: + ret = BT_CTF_BYTE_ORDER_LITTLE_ENDIAN; + break; + default: + break; + } +end: + return ret; +} + int bt_ctf_trace_set_byte_order(struct bt_ctf_trace *trace, enum bt_ctf_byte_order byte_order) { diff --git a/include/babeltrace/ctf-ir/trace.h b/include/babeltrace/ctf-ir/trace.h index 864eaf67..c5a05147 100644 --- a/include/babeltrace/ctf-ir/trace.h +++ b/include/babeltrace/ctf-ir/trace.h @@ -232,7 +232,19 @@ extern struct bt_ctf_clock *bt_ctf_trace_get_clock( extern char *bt_ctf_trace_get_metadata_string(struct bt_ctf_trace *trace); /* - * bt_ctf_trace_set_byte_order: set a field type's byte order. + * bt_ctf_trace_get_byte_order: get a trace's byte order. + * + * Get the trace's byte order. + * + * @param trace Trace instance. + * + * Returns the trace's endianness, BT_CTF_BYTE_ORDER_UNKNOWN on error. + */ +extern enum bt_ctf_byte_order bt_ctf_trace_get_byte_order( + struct bt_ctf_trace *trace); + +/* + * bt_ctf_trace_set_byte_order: set a trace's byte order. * * Set the trace's byte order. Defaults to the current host's endianness. * -- 2.34.1