Enforce clang formatting

.github/workflows/ci.yml

@@ -9,6 +9,16 @@ on:
     - cron: "0 6 * * 1-5"
 
 jobs:
+  check_format:
+    name: Check codebase format with clang-format
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Run clang-format dry-run
+        run: find include/ src/ tests/ examples/ -iname -o -iname "*.h" -o -iname "*.c" | xargs clang-format -n -Werror
+
   build:
     name: Build on ${{ matrix.os }}
     runs-on: ${{ matrix.os }}

examples/z_liveliness.c

@@ -13,6 +13,7 @@
 
 #include <stdio.h>
 #include <string.h>
+
 #include "zenoh.h"
 
 int main(int argc, char **argv) {

examples/z_non_blocking_get.c

@@ -55,21 +55,20 @@ int main(int argc, char **argv) {
     z_get(z_loan(s), z_loan(keyexpr), "", z_move(closure),
           z_move(opts));  // here, the closure is moved and will be dropped by zenoh when adequate
     z_owned_reply_t reply;
-    for (bool has_more = z_try_recv(z_loan(handler), &reply); has_more; has_more = z_try_recv(z_loan(handler), &reply)) {
+    for (bool has_more = z_try_recv(z_loan(handler), &reply); has_more;
+         has_more = z_try_recv(z_loan(handler), &reply)) {
         if (!z_check(reply)) {
             z_sleep_ms(50);
             continue;
         }
         if (z_reply_is_ok(z_loan(reply))) {
-            const z_loaned_sample_t* sample = z_reply_ok(z_loan(reply));
+            const z_loaned_sample_t *sample = z_reply_ok(z_loan(reply));
             z_view_string_t key_str;
             z_owned_string_t payload_string;
             z_keyexpr_as_view_string(z_sample_keyexpr(sample), &key_str);
             z_bytes_decode_into_string(z_sample_payload(sample), &payload_string);
-            printf(">> Received ('%.*s': '%.*s')\n", 
-               (int)z_string_len(z_loan(key_str)), z_string_data(z_loan(key_str)),
-               (int)z_string_len(z_loan(payload_string)), z_string_data(z_loan(payload_string))
-            );
+            printf(">> Received ('%.*s': '%.*s')\n", (int)z_string_len(z_loan(key_str)), z_string_data(z_loan(key_str)),
+                   (int)z_string_len(z_loan(payload_string)), z_string_data(z_loan(payload_string)));
             z_drop(z_move(payload_string));
         } else {
             printf("Received an error\n");

examples/z_ping.c

@@ -70,7 +70,7 @@ int main(int argc, char** argv) {
         data[i] = i % 10;
     }
     z_owned_bytes_t payload;
-    
+
     z_mutex_lock(z_loan_mut(mutex));
     if (args.warmup_ms) {
         printf("Warming up for %dms...\n", args.warmup_ms);

examples/z_pub_attachment.c

@@ -28,7 +28,7 @@ typedef struct kv_pairs_t {
 } kv_pairs_t;
 
 bool create_attachment_iter(z_owned_bytes_t* kv_pair, void* context) {
-    kv_pairs_t *kvs = (kv_pairs_t*)(context);
+    kv_pairs_t* kvs = (kv_pairs_t*)(context);
     z_owned_bytes_t k, v;
     if (kvs->current_idx >= kvs->len) {
         return false;
@@ -41,10 +41,9 @@ bool create_attachment_iter(z_owned_bytes_t* kv_pair, void* context) {
     }
 };
 
-
-int main(int argc, char **argv) {
-    char *keyexpr = "demo/example/zenoh-c-pub";
-    char *value = "Pub from C!";
+int main(int argc, char** argv) {
+    char* keyexpr = "demo/example/zenoh-c-pub";
+    char* value = "Pub from C!";
 
     if (argc > 1) keyexpr = argv[1];
     if (argc > 2) value = argv[2];
@@ -82,7 +81,7 @@ int main(int argc, char **argv) {
 
     // allocate attachment data
     kv_pair_t kvs[2];
-    kvs[0] = (kv_pair_t){ .key = "source", .value = "C" };
+    kvs[0] = (kv_pair_t){.key = "source", .value = "C"};
     // allocate attachment and payload
     z_owned_bytes_t attachment;
     z_owned_bytes_t payload;
@@ -94,14 +93,14 @@ int main(int argc, char **argv) {
 
         // add some other attachment value
         sprintf(buf_ind, "%d", idx);
-        kvs[1] = (kv_pair_t){ .key = "index", .value = buf_ind };
-        kv_pairs_t ctx = (kv_pairs_t) { .data = kvs, .current_idx = 0, .len = 2 };
+        kvs[1] = (kv_pair_t){.key = "index", .value = buf_ind};
+        kv_pairs_t ctx = (kv_pairs_t){.data = kvs, .current_idx = 0, .len = 2};
         z_bytes_encode_from_iter(&attachment, create_attachment_iter, (void*)&ctx);
         options.attachment = &attachment;
 
         sprintf(buf, "[%4d] %s", idx, value);
         printf("Putting Data ('%s': '%s')...\n", keyexpr, buf);
-        
+
         z_bytes_encode_from_string(&payload, buf);
         z_publisher_put(z_loan(pub), z_move(payload), &options);
     }

examples/z_pub_cache.c

@@ -69,7 +69,7 @@ int main(int argc, char **argv) {
         printf("Putting Data ('%s': '%s')...\n", keyexpr, buf);
         z_owned_bytes_t payload;
         z_bytes_encode_from_string(&payload, buf);
-        
+
         z_put(z_loan(s), z_loan(ke), z_move(payload), NULL);
     }
 

examples/z_pull.c

@@ -12,6 +12,7 @@
 //   ZettaScale Zenoh Team, <[email protected]>
 //
 #include <stdio.h>
+
 #include "zenoh.h"
 
 const char *kind_to_str(z_sample_kind_t kind) {
@@ -30,11 +31,9 @@ void handle_sample(const z_loaned_sample_t *sample) {
     z_keyexpr_as_view_string(z_sample_keyexpr(sample), &keystr);
     z_owned_string_t payload_value;
     z_bytes_decode_into_string(z_sample_payload(sample), &payload_value);
-    printf(">> [Subscriber] Received %s ('%.*s': '%.*s')\n", 
-        kind_to_str(z_sample_kind(sample)), 
-        (int)z_string_len(z_loan(keystr)), z_string_data(z_loan(keystr)),
-        (int)z_string_len(z_loan(payload_value)), z_string_data(z_loan(payload_value))
-    );
+    printf(">> [Subscriber] Received %s ('%.*s': '%.*s')\n", kind_to_str(z_sample_kind(sample)),
+           (int)z_string_len(z_loan(keystr)), z_string_data(z_loan(keystr)), (int)z_string_len(z_loan(payload_value)),
+           z_string_data(z_loan(payload_value)));
     z_drop(z_move(payload_value));
 }
 

examples/z_put.c

@@ -50,16 +50,16 @@ int main(int argc, char **argv) {
 
     z_owned_bytes_t payload;
     z_bytes_encode_from_string(&payload, value);
-    
+
     z_owned_bytes_t attachment, key, val;
     z_bytes_encode_from_string(&key, "hello");
     z_bytes_encode_from_string(&val, "there");
     z_bytes_encode_from_pair(&attachment, z_move(key), z_move(val));
 
     z_put_options_t options;
     z_put_options_default(&options);
-    options.attachment = &attachment; // attachement is going to be consumed by z_put, so no need to drop it manually
-    
+    options.attachment = &attachment;  // attachement is going to be consumed by z_put, so no need to drop it manually
+
     int res = z_put(z_loan(s), z_loan(ke), z_move(payload), &options);
     if (res < 0) {
         printf("Put failed...\n");

examples/z_query_sub.c

@@ -12,6 +12,7 @@
 //   ZettaScale Zenoh Team, <[email protected]>
 //
 #include <stdio.h>
+
 #include "zenoh.h"
 
 const char *kind_to_str(z_sample_kind_t kind);
@@ -23,10 +24,9 @@ void data_handler(const z_loaned_sample_t *sample, void *arg) {
     z_owned_string_t payload_string;
     z_bytes_decode_into_string(z_sample_payload(sample), &payload_string);
 
-    printf(">> [Subscriber] Received %s ('%.*s': '%.*s')\n", kind_to_str(z_sample_kind(sample)), 
-        (int)z_string_len(z_loan(key_string)), z_string_data(z_loan(key_string)),
-        (int)z_string_len(z_loan(payload_string)), z_string_data(z_loan(payload_string))
-    );
+    printf(">> [Subscriber] Received %s ('%.*s': '%.*s')\n", kind_to_str(z_sample_kind(sample)),
+           (int)z_string_len(z_loan(key_string)), z_string_data(z_loan(key_string)),
+           (int)z_string_len(z_loan(payload_string)), z_string_data(z_loan(payload_string)));
     z_drop(z_move(payload_string));
 }
 

examples/z_queryable.c

@@ -13,6 +13,7 @@
 
 #include <stdio.h>
 #include <string.h>
+
 #include "zenoh.h"
 
 const char *keyexpr = "demo/example/zenoh-c-queryable";
@@ -26,24 +27,22 @@ void query_handler(const z_loaned_query_t *query, void *context) {
     z_view_string_t params;
     z_query_parameters(query, &params);
 
-    const z_loaned_bytes_t* payload =  z_value_payload(z_query_value(query));
+    const z_loaned_bytes_t *payload = z_value_payload(z_query_value(query));
     if (z_bytes_len(payload) > 0) {
         z_owned_string_t payload_string;
         z_bytes_decode_into_string(payload, &payload_string);
 
-        printf(">> [Queryable ] Received Query '%.*s?%.*s' with value '%.*s'\n", 
-            (int)z_string_len(z_loan(key_string)), z_string_data(z_loan(key_string)),
-            (int)z_string_len(z_loan(params)), z_string_data(z_loan(params)),
-            (int)z_string_len(z_loan(payload_string)), z_string_data(z_loan(payload_string)));
+        printf(">> [Queryable ] Received Query '%.*s?%.*s' with value '%.*s'\n", (int)z_string_len(z_loan(key_string)),
+               z_string_data(z_loan(key_string)), (int)z_string_len(z_loan(params)), z_string_data(z_loan(params)),
+               (int)z_string_len(z_loan(payload_string)), z_string_data(z_loan(payload_string)));
         z_drop(z_move(payload_string));
     } else {
-        printf(">> [Queryable ] Received Query '%.*s?%.*s'\n", 
-        (int)z_string_len(z_loan(key_string)), z_string_data(z_loan(key_string)),
-        (int)z_string_len(z_loan(params)), z_string_data(z_loan(params)));
+        printf(">> [Queryable ] Received Query '%.*s?%.*s'\n", (int)z_string_len(z_loan(key_string)),
+               z_string_data(z_loan(key_string)), (int)z_string_len(z_loan(params)), z_string_data(z_loan(params)));
     }
     z_query_reply_options_t options;
     z_query_reply_options_default(&options);
-    
+
     z_owned_bytes_t reply_payload;
     z_bytes_encode_from_string(&reply_payload, value);
 
@@ -83,7 +82,7 @@ int main(int argc, char **argv) {
 
     printf("Declaring Queryable on '%s'...\n", keyexpr);
     z_owned_closure_query_t callback;
-    z_closure(&callback, query_handler, NULL, (void*)keyexpr);
+    z_closure(&callback, query_handler, NULL, (void *)keyexpr);
     z_owned_queryable_t qable;
 
     if (z_declare_queryable(&qable, z_loan(s), z_loan(ke), z_move(callback), NULL) < 0) {

examples/z_queryable_with_channels.c

@@ -14,6 +14,7 @@
 #include <stdio.h>
 #include <string.h>
 #include <zenoh_macros.h>
+
 #include "zenoh.h"
 
 const char *keyexpr = "demo/example/zenoh-c-queryable";
@@ -42,7 +43,7 @@ int main(int argc, char **argv) {
         printf("Unable to open session!\n");
         exit(-1);
     }
-    
+
     if (z_view_keyexpr_from_string(&ke, keyexpr) < 0) {
         printf("%s is not a valid key expression", keyexpr);
         exit(-1);
@@ -54,7 +55,7 @@ int main(int argc, char **argv) {
     z_fifo_channel_query_new(&closure, &handler, 16);
     z_owned_closure_query_t callback;
     z_owned_queryable_t qable;
-    
+
     if (z_declare_queryable(&qable, z_loan(s), z_loan(ke), z_move(closure), NULL) < 0) {
         printf("Unable to create queryable.\n");
         exit(-1);
@@ -63,29 +64,26 @@ int main(int argc, char **argv) {
     printf("^C to quit...\n");
     z_owned_query_t oquery;
     for (z_recv(z_loan(handler), &oquery); z_check(oquery); z_recv(z_loan(handler), &oquery)) {
-        const z_loaned_query_t* query = z_loan(oquery);
+        const z_loaned_query_t *query = z_loan(oquery);
         z_view_string_t key_string;
         z_keyexpr_as_view_string(z_query_keyexpr(query), &key_string);
 
         z_view_string_t params;
         z_query_parameters(query, &params);
 
-        const z_loaned_bytes_t* payload = z_value_payload(z_query_value(query));
+        const z_loaned_bytes_t *payload = z_value_payload(z_query_value(query));
         if (z_bytes_len(payload) > 0) {
             z_owned_string_t payload_string;
             z_bytes_decode_into_string(payload, &payload_string);
 
-            printf(">> [Queryable ] Received Query '%.*s?%.*s' with value '%.*s'\n", 
-                (int)z_string_len(z_loan(key_string)), z_string_data(z_loan(key_string)),
-                (int)z_string_len(z_loan(params)), z_string_data(z_loan(params)), 
-                (int)z_string_len(z_loan(payload_string)), z_string_data(z_loan(payload_string))
-            );
+            printf(">> [Queryable ] Received Query '%.*s?%.*s' with value '%.*s'\n",
+                   (int)z_string_len(z_loan(key_string)), z_string_data(z_loan(key_string)),
+                   (int)z_string_len(z_loan(params)), z_string_data(z_loan(params)),
+                   (int)z_string_len(z_loan(payload_string)), z_string_data(z_loan(payload_string)));
             z_drop(z_move(payload_string));
         } else {
-            printf(">> [Queryable ] Received Query '%.*s?%.*s'\n", 
-                (int)z_string_len(z_loan(key_string)), z_string_data(z_loan(key_string)),
-                (int)z_string_len(z_loan(params)), z_string_data(z_loan(params))
-            );
+            printf(">> [Queryable ] Received Query '%.*s?%.*s'\n", (int)z_string_len(z_loan(key_string)),
+                   z_string_data(z_loan(key_string)), (int)z_string_len(z_loan(params)), z_string_data(z_loan(params)));
         }
         z_query_reply_options_t options;
         z_query_reply_options_default(&options);

examples/z_scout.c

@@ -12,6 +12,7 @@
 //   ZettaScale Zenoh Team, <[email protected]>
 
 #include <stdio.h>
+
 #include "zenoh.h"
 
 void fprintpid(FILE *stream, z_id_t pid) {
@@ -52,7 +53,7 @@ void fprintlocators(FILE *stream, const z_loaned_string_array_t *locs) {
     fprintf(stream, "]");
 }
 
-void fprinthello(FILE *stream, const z_loaned_hello_t* hello) {
+void fprinthello(FILE *stream, const z_loaned_hello_t *hello) {
     fprintf(stream, "Hello { pid: ");
     fprintpid(stream, z_hello_zid(hello));
     fprintf(stream, ", whatami: ");

examples/z_sub.c

@@ -12,6 +12,7 @@
 //   ZettaScale Zenoh Team, <[email protected]>
 //
 #include <stdio.h>
+
 #include "zenoh.h"
 
 const char *kind_to_str(z_sample_kind_t kind);
@@ -24,9 +25,8 @@ void data_handler(const z_loaned_sample_t *sample, void *arg) {
     z_bytes_decode_into_string(z_sample_payload(sample), &payload_string);
 
     printf(">> [Subscriber] Received %s ('%.*s': '%.*s')\n", kind_to_str(z_sample_kind(sample)),
-        (int)z_string_len(z_loan(key_string)), z_string_data(z_loan(key_string)),
-        (int)z_string_len(z_loan(payload_string)), z_string_data(z_loan(payload_string))
-    );
+           (int)z_string_len(z_loan(key_string)), z_string_data(z_loan(key_string)),
+           (int)z_string_len(z_loan(payload_string)), z_string_data(z_loan(payload_string)));
     z_drop(z_move(payload_string));
 }
 

examples/z_sub_attachment.c

@@ -13,6 +13,7 @@
 //
 #include <stdint.h>
 #include <stdio.h>
+
 #include "zenoh.h"
 
 const char *kind_to_str(z_sample_kind_t kind);
@@ -25,11 +26,10 @@ void data_handler(const z_loaned_sample_t *sample, void *arg) {
     z_bytes_decode_into_string(z_sample_payload(sample), &payload_string);
 
     printf(">> [Subscriber] Received %s ('%.*s': '%.*s')\n", kind_to_str(z_sample_kind(sample)),
-        (int)z_string_len(z_loan(key_string)), z_string_data(z_loan(key_string)),
-        (int)z_string_len(z_loan(payload_string)), z_string_data(z_loan(payload_string))
-    );
+           (int)z_string_len(z_loan(key_string)), z_string_data(z_loan(key_string)),
+           (int)z_string_len(z_loan(payload_string)), z_string_data(z_loan(payload_string)));
 
-   const z_loaned_bytes_t* attachment = z_sample_attachment(sample);
+    const z_loaned_bytes_t *attachment = z_sample_attachment(sample);
     // checks if attachment exists
     if (attachment != NULL) {
         // reads full attachment
@@ -44,8 +44,7 @@ void data_handler(const z_loaned_sample_t *sample, void *arg) {
             z_bytes_decode_into_string(z_loan(v), &value);
 
             printf("   attachment: %.*s: '%.*s'\n", (int)z_string_len(z_loan(key)), z_string_data(z_loan(key)),
-                (int)z_string_len(z_loan(value)), z_string_data(z_loan(value))
-            );
+                   (int)z_string_len(z_loan(value)), z_string_data(z_loan(value)));
             z_drop(z_move(kv));
             z_drop(z_move(k));
             z_drop(z_move(v));

examples/z_sub_liveliness.c

@@ -12,21 +12,20 @@
 //   ZettaScale Zenoh Team, <[email protected]>
 //
 #include <stdio.h>
+
 #include "zenoh.h"
 
 void data_handler(const z_loaned_sample_t *sample, void *arg) {
     z_view_string_t key_string;
     z_keyexpr_as_view_string(z_sample_keyexpr(sample), &key_string);
     switch (z_sample_kind(sample)) {
         case Z_SAMPLE_KIND_PUT:
-            printf(">> [LivelinessSubscriber] New alive token ('%.*s')\n",
-                (int)z_string_len(z_loan(key_string)), z_string_data(z_loan(key_string))
-            );
+            printf(">> [LivelinessSubscriber] New alive token ('%.*s')\n", (int)z_string_len(z_loan(key_string)),
+                   z_string_data(z_loan(key_string)));
             break;
         case Z_SAMPLE_KIND_DELETE:
-            printf(">> [LivelinessSubscriber] Dropped token ('%.*s')\n", 
-                (int)z_string_len(z_loan(key_string)), z_string_data(z_loan(key_string))
-            );
+            printf(">> [LivelinessSubscriber] Dropped token ('%.*s')\n", (int)z_string_len(z_loan(key_string)),
+                   z_string_data(z_loan(key_string)));
             break;
     }
 }