clang-tidy: add Chrome-inspired checks

[lttng-tools.git] / src / common / event-rule / kernel-tracepoint.cpp

diff --git a/src/common/event-rule/kernel-tracepoint.cpp b/src/common/event-rule/kernel-tracepoint.cpp
index f1bdecb06e9e4968cfb1bdf5fb31377ac1bf84dc..77dd51ed0c26d8540f850ffc4eef5362410cf7a4 100644 (file)
--- a/src/common/event-rule/kernel-tracepoint.cpp
+++ b/src/common/event-rule/kernel-tracepoint.cpp
@@ -28,7 +28,7 @@ static void lttng_event_rule_kernel_tracepoint_destroy(struct lttng_event_rule *
 {
        struct lttng_event_rule_kernel_tracepoint *tracepoint;
 
-       if (rule == NULL) {
+       if (rule == nullptr) {
                return;
        }
 
@@ -81,7 +81,7 @@ static int lttng_event_rule_kernel_tracepoint_serialize(const struct lttng_event
 
        pattern_len = strlen(tracepoint->pattern) + 1;
 
-       if (tracepoint->filter_expression != NULL) {
+       if (tracepoint->filter_expression != nullptr) {
                filter_expression_len = strlen(tracepoint->filter_expression) + 1;
        } else {
                filter_expression_len = 0;
@@ -154,7 +154,7 @@ lttng_event_rule_kernel_tracepoint_generate_filter_bytecode(struct lttng_event_r
        struct lttng_event_rule_kernel_tracepoint *tracepoint;
        enum lttng_event_rule_status status;
        const char *filter;
-       struct lttng_bytecode *bytecode = NULL;
+       struct lttng_bytecode *bytecode = nullptr;
 
        LTTNG_ASSERT(rule);
 
@@ -162,7 +162,7 @@ lttng_event_rule_kernel_tracepoint_generate_filter_bytecode(struct lttng_event_r
 
        status = lttng_event_rule_kernel_tracepoint_get_filter(rule, &filter);
        if (status == LTTNG_EVENT_RULE_STATUS_UNSET) {
-               filter = NULL;
+               filter = nullptr;
        } else if (status != LTTNG_EVENT_RULE_STATUS_OK) {
                ret_code = LTTNG_ERR_FILTER_INVAL;
                goto end;
@@ -175,15 +175,15 @@ lttng_event_rule_kernel_tracepoint_generate_filter_bytecode(struct lttng_event_r
 
        if (filter) {
                tracepoint->internal_filter.filter = strdup(filter);
-               if (tracepoint->internal_filter.filter == NULL) {
+               if (tracepoint->internal_filter.filter == nullptr) {
                        ret_code = LTTNG_ERR_NOMEM;
                        goto error;
                }
        } else {
-               tracepoint->internal_filter.filter = NULL;
+               tracepoint->internal_filter.filter = nullptr;
        }
 
-       if (tracepoint->internal_filter.filter == NULL) {
+       if (tracepoint->internal_filter.filter == nullptr) {
                ret_code = LTTNG_OK;
                goto end;
        }
@@ -195,7 +195,7 @@ lttng_event_rule_kernel_tracepoint_generate_filter_bytecode(struct lttng_event_r
        }
 
        tracepoint->internal_filter.bytecode = bytecode;
-       bytecode = NULL;
+       bytecode = nullptr;
        ret_code = LTTNG_OK;
 
 error:
@@ -230,7 +230,7 @@ lttng_event_rule_kernel_tracepoint_generate_exclusions(const struct lttng_event_
                                                       struct lttng_event_exclusion **_exclusions)
 {
        /* Unsupported. */
-       *_exclusions = NULL;
+       *_exclusions = nullptr;
        return LTTNG_EVENT_RULE_GENERATE_EXCLUSIONS_STATUS_NONE;
 }
 
@@ -257,8 +257,8 @@ lttng_event_rule_kernel_tracepoint_mi_serialize(const struct lttng_event_rule *r
        int ret;
        enum lttng_error_code ret_code;
        enum lttng_event_rule_status status;
-       const char *filter = NULL;
-       const char *name_pattern = NULL;
+       const char *filter = nullptr;
+       const char *name_pattern = nullptr;
 
        LTTNG_ASSERT(rule);
        LTTNG_ASSERT(writer);
@@ -286,7 +286,7 @@ lttng_event_rule_kernel_tracepoint_mi_serialize(const struct lttng_event_rule *r
        }
 
        /* Filter. */
-       if (filter != NULL) {
+       if (filter != nullptr) {
                ret = mi_lttng_writer_write_element_string(
                        writer, mi_lttng_element_event_rule_filter_expression, filter);
                if (ret) {
@@ -311,7 +311,7 @@ end:
 
 struct lttng_event_rule *lttng_event_rule_kernel_tracepoint_create(void)
 {
-       struct lttng_event_rule *rule = NULL;
+       struct lttng_event_rule *rule = nullptr;
        struct lttng_event_rule_kernel_tracepoint *tp_rule;
        enum lttng_event_rule_status status;
 
@@ -337,13 +337,13 @@ struct lttng_event_rule *lttng_event_rule_kernel_tracepoint_create(void)
        tp_rule->parent.mi_serialize = lttng_event_rule_kernel_tracepoint_mi_serialize;
 
        /* Not necessary for now. */
-       tp_rule->parent.generate_lttng_event = NULL;
+       tp_rule->parent.generate_lttng_event = nullptr;
 
        /* Default pattern is '*'. */
        status = lttng_event_rule_kernel_tracepoint_set_name_pattern(rule, "*");
        if (status != LTTNG_EVENT_RULE_STATUS_OK) {
                lttng_event_rule_destroy(rule);
-               rule = NULL;
+               rule = nullptr;
        }
 
 end:
@@ -358,9 +358,9 @@ lttng_event_rule_kernel_tracepoint_create_from_payload(struct lttng_payload_view
        enum lttng_event_rule_status status;
        const struct lttng_event_rule_kernel_tracepoint_comm *tracepoint_comm;
        const char *pattern;
-       const char *filter_expression = NULL;
+       const char *filter_expression = nullptr;
        struct lttng_buffer_view current_buffer_view;
-       struct lttng_event_rule *rule = NULL;
+       struct lttng_event_rule *rule = nullptr;
 
        if (!_event_rule) {
                ret = -1;
@@ -448,7 +448,7 @@ skip_filter_expression:
        }
 
        *_event_rule = rule;
-       rule = NULL;
+       rule = nullptr;
        ret = offset;
 end:
        lttng_event_rule_destroy(rule);
@@ -459,7 +459,7 @@ enum lttng_event_rule_status
 lttng_event_rule_kernel_tracepoint_set_name_pattern(struct lttng_event_rule *rule,
                                                    const char *pattern)
 {
-       char *pattern_copy = NULL;
+       char *pattern_copy = nullptr;
        struct lttng_event_rule_kernel_tracepoint *tracepoint;
        enum lttng_event_rule_status status = LTTNG_EVENT_RULE_STATUS_OK;
 
@@ -481,7 +481,7 @@ lttng_event_rule_kernel_tracepoint_set_name_pattern(struct lttng_event_rule *rul
        free(tracepoint->pattern);
 
        tracepoint->pattern = pattern_copy;
-       pattern_copy = NULL;
+       pattern_copy = nullptr;
 end:
        return status;
 }
@@ -512,7 +512,7 @@ end:
 enum lttng_event_rule_status
 lttng_event_rule_kernel_tracepoint_set_filter(struct lttng_event_rule *rule, const char *expression)
 {
-       char *expression_copy = NULL;
+       char *expression_copy = nullptr;
        struct lttng_event_rule_kernel_tracepoint *tracepoint;
        enum lttng_event_rule_status status = LTTNG_EVENT_RULE_STATUS_OK;
 
@@ -535,7 +535,7 @@ lttng_event_rule_kernel_tracepoint_set_filter(struct lttng_event_rule *rule, con
        }
 
        tracepoint->filter_expression = expression_copy;
-       expression_copy = NULL;
+       expression_copy = nullptr;
 end:
        return status;
 }