Change lttng.h API char to const char

Signed-off-by: David Goulet <david.goulet@polymtl.ca>

diff --git a/include/lttng/lttng.h b/include/lttng/lttng.h
index 2b14231eb5534194f695b963c6c3caf2a87ce53a..c1cbd4e3bf1ff69236f372148b01110389bea5ee 100644 (file)
--- a/include/lttng/lttng.h
+++ b/include/lttng/lttng.h
@@ -197,7 +197,7 @@ struct lttng_session {
 /*
  * Create tracing session using a name and a path where trace will be written.
  */
-extern int lttng_create_session(char *name, char *path);
+extern int lttng_create_session(const char *name, const char *path);
 
 /*
  * Destroy tracing session.
@@ -205,7 +205,7 @@ extern int lttng_create_session(char *name, char *path);
  * The session will not be useable anymore, tracing will stopped for all
  * registered trace and tracing buffers will be flushed.
  */
-extern int lttng_destroy_session(char *name);
+extern int lttng_destroy_session(const char *name);
 
 /*
  * List tracing sessions.
@@ -232,7 +232,7 @@ extern int lttng_set_tracing_group(const char *name);
  * it's not done, you'll get an error saying that the session is not found.
  * It avoids the use of a session name on every API call.
  */
-extern void lttng_set_session_name(char *name);
+extern void lttng_set_session_name(const char *name);
 
 /*
  * Return a human readable error message of a lttng-tools error code.
@@ -244,12 +244,12 @@ extern const char *lttng_get_readable_code(int code);
 /*
  * Start tracing for *all* registered trace (kernel and user-space).
  */
-extern int lttng_start_tracing(char *session_name);
+extern int lttng_start_tracing(const char *session_name);
 
 /*
  * Stop tracing for *all* registered trace (kernel and user-space).
  */
-extern int lttng_stop_tracing(char *session_name);
+extern int lttng_stop_tracing(const char *session_name);
 
 /*
  * Add context to event for a specific channel.
@@ -260,7 +260,8 @@ extern int lttng_stop_tracing(char *session_name);
  */
 
 extern int lttng_add_context(struct lttng_domain *domain,
-               struct lttng_event_context *ctx, char *event_name, char *channel_name);
+               struct lttng_event_context *ctx, const char *event_name,
+               const char *channel_name);
 
 /*
  * Create or enable a kernel event.
@@ -271,29 +272,31 @@ extern int lttng_add_context(struct lttng_domain *domain,
  * If channel_name is NULL, the default channel is used (channel0).
  */
 extern int lttng_enable_event(struct lttng_domain *domain, struct lttng_event *ev,
-               char *channel_name);
+               const char *channel_name);
 
 /*
  * Create or enable a kernel channel.
  *
  * If name is NULL, the default channel is enabled (channel0).
  */
-extern int lttng_enable_channel(struct lttng_domain *domain, struct lttng_channel *chan);
+extern int lttng_enable_channel(struct lttng_domain *domain,
+               struct lttng_channel *chan);
 
 /*
  * Disable kernel event.
  *
  * If channel_name is NULL, the default channel is used (channel0).
  */
-extern int lttng_disable_event(struct lttng_domain *domain, char *name,
-               char *channel_name);
+extern int lttng_disable_event(struct lttng_domain *domain, const char *name,
+               const char *channel_name);
 
 /*
  * Disable kernel channel.
  *
  * If channel_name is NULL, the default channel is disabled (channel0).
  */
-extern int lttng_disable_channel(struct lttng_domain *domain, char *name);
+extern int lttng_disable_channel(struct lttng_domain *domain,
+               const char *name);
 
 /*
  * List kernel events.

diff --git a/liblttngctl/liblttngctl.c b/liblttngctl/liblttngctl.c
index 38c9945b9e8ab25191b4523b4aa8db9c718cf635..e693123b9c1c384b5d18f8f9eaa1d64984fe991d 100644 (file)
--- a/liblttngctl/liblttngctl.c
+++ b/liblttngctl/liblttngctl.c
@@ -268,7 +268,7 @@ end:
 /*
  *  Start tracing for all trace of the session.
  */
-int lttng_start_tracing(char *session_name)
+int lttng_start_tracing(const char *session_name)
 {
        strncpy(lsm.session_name, session_name, NAME_MAX);
        return ask_sessiond(LTTNG_START_TRACE, NULL);
@@ -277,7 +277,7 @@ int lttng_start_tracing(char *session_name)
 /*
  *  Stop tracing for all trace of the session.
  */
-int lttng_stop_tracing(char *session_name)
+int lttng_stop_tracing(const char *session_name)
 {
        strncpy(lsm.session_name, session_name, NAME_MAX);
        return ask_sessiond(LTTNG_STOP_TRACE, NULL);
@@ -287,8 +287,8 @@ int lttng_stop_tracing(char *session_name)
  *  lttng_add_context
  */
 int lttng_add_context(struct lttng_domain *domain,
-               struct lttng_event_context *ctx, char *event_name, char *channel_name)
-
+               struct lttng_event_context *ctx, const char *event_name,
+               const char *channel_name)
 {
        int ret;
 
@@ -321,7 +321,7 @@ int lttng_add_context(struct lttng_domain *domain,
  *  lttng_enable_event
  */
 int lttng_enable_event(struct lttng_domain *domain,
-               struct lttng_event *ev, char *channel_name)
+               struct lttng_event *ev, const char *channel_name)
 {
        int ret;
 
@@ -354,8 +354,8 @@ int lttng_enable_event(struct lttng_domain *domain,
 /*
  * Disable an event in the kernel tracer.
  */
-int lttng_disable_event(struct lttng_domain *domain, char *name,
-               char *channel_name)
+int lttng_disable_event(struct lttng_domain *domain, const char *name,
+               const char *channel_name)
 {
        int ret;
 
@@ -388,7 +388,8 @@ int lttng_disable_event(struct lttng_domain *domain, char *name,
 /*
  * Enable recording for a channel for the kernel tracer.
  */
-int lttng_enable_channel(struct lttng_domain *domain, struct lttng_channel *chan)
+int lttng_enable_channel(struct lttng_domain *domain,
+               struct lttng_channel *chan)
 {
        int ret;
 
@@ -412,7 +413,7 @@ int lttng_enable_channel(struct lttng_domain *domain, struct lttng_channel *chan
 /*
  * Disable recording for the channel for the kernel tracer.
  */
-int lttng_disable_channel(struct lttng_domain *domain, char *name)
+int lttng_disable_channel(struct lttng_domain *domain, const char *name)
 {
        int ret;
 
@@ -473,7 +474,7 @@ const char *lttng_get_readable_code(int code)
 /*
  *  Create a brand new session using name.
  */
-int lttng_create_session(char *name, char *path)
+int lttng_create_session(const char *name, const char *path)
 {
        strncpy(lsm.session_name, name, NAME_MAX);
        strncpy(lsm.path, path, PATH_MAX);
@@ -483,7 +484,7 @@ int lttng_create_session(char *name, char *path)
 /*
  *  Destroy session using name.
  */
-int lttng_destroy_session(char *name)
+int lttng_destroy_session(const char *name)
 {
        strncpy(lsm.session_name, name, NAME_MAX);
        return ask_sessiond(LTTNG_DESTROY_SESSION, NULL);
@@ -510,7 +511,7 @@ int lttng_list_sessions(struct lttng_session **sessions)
 /*
  * Set session name for the current lsm.
  */
-void lttng_set_session_name(char *name)
+void lttng_set_session_name(const char *name)
 {
        strncpy(lsm.session_name, name, NAME_MAX);
 }