test: format C test files and fix clang-tidy warnings

It's probably not worth adding the C test files to regular formatting as
they're pretty much never touched, but ensuring the files are formatted
according to our standards and getting rid of warnings is a cheap
one-time fix.

3 files changed, 11 insertions, 11 deletions

diff --git a/test/functional/fixtures/printargs-test.c b/test/functional/fixtures/printargs-test.c
index 2c25cf8447..a1d3fdf76e 100644
--- a/test/functional/fixtures/printargs-test.c
+++ b/test/functional/fixtures/printargs-test.c
@@ -2,7 +2,7 @@
 
 int main(int argc, char **argv)
 {
-  for (int i=1; i<argc; i++) {
+  for (int i = 1; i < argc; i++) {
     printf("arg%d=%s;", i, argv[i]);
   }
   return 0;
diff --git a/test/functional/fixtures/shell-test.c b/test/functional/fixtures/shell-test.c
index bd71e7d11b..f3e94a28da 100644
--- a/test/functional/fixtures/shell-test.c
+++ b/test/functional/fixtures/shell-test.c
@@ -1,11 +1,12 @@
+#include <stdbool.h>
+#include <stdint.h>
 #include <stdio.h>
 #include <string.h>
-#include <stdint.h>
 #ifdef _MSC_VER
-#include <Windows.h>
-#define usleep(usecs) Sleep(usecs/1000)
+# include <Windows.h>
+# define usleep(usecs) Sleep(usecs/1000)
 #else
-#include <unistd.h>
+# include <unistd.h>
 #endif
 
 static void flush_wait(void)
@@ -56,7 +57,7 @@ int main(int argc, char **argv)
   if (argc >= 2) {
     if (strcmp(argv[1], "-t") == 0) {
       if (argc < 3) {
-        fprintf(stderr,"Missing prompt text for -t option\n");
+        fprintf(stderr, "Missing prompt text for -t option\n");
         return 5;
       } else {
         fprintf(stderr, "%s $ ", argv[2]);
@@ -107,18 +108,18 @@ int main(int argc, char **argv)
       char cmd[100];
       int arg;
 
-      while (1) {
+      while (true) {
         fprintf(stderr, "interact $ ");
 
         if (fgets(input, sizeof(input), stdin) == NULL) {
           break;  // EOF
         }
 
-        if(1 == sscanf(input, "%99s %d", cmd, &arg)) {
+        if (1 == sscanf(input, "%99s %d", cmd, &arg)) {
           arg = 0;
         }
         if (strcmp(cmd, "exit") == 0) {
-            return arg;
+          return arg;
         } else {
           fprintf(stderr, "command not found: %s\n", cmd);
         }
diff --git a/test/functional/fixtures/streams-test.c b/test/functional/fixtures/streams-test.c
index 5a59abb33b..68e668d5fa 100644
--- a/test/functional/fixtures/streams-test.c
+++ b/test/functional/fixtures/streams-test.c
@@ -1,6 +1,5 @@
 /// Helper program to exit and keep stdout open (like "xclip -i -loops 1").
 #include <stdio.h>
-
 #include <uv.h>
 
 int main(int argc, char **argv)
@@ -8,7 +7,7 @@ int main(int argc, char **argv)
   uv_loop_t *loop = uv_default_loop();
   uv_process_t child_req;
 
-  char * args[3];
+  char *args[3];
   args[0] = "sleep";
   args[1] = "10";
   args[2] = NULL;