tidy-up: more whitespace/indent, comments

Also a couple of minor formatting updates in the root `CMakeLists.txt`.
One swap to `#ifdef`.

Closes #17929

src/config2setopts.c

@@ -640,7 +640,7 @@ static void gen_cb_setopts(struct OperationConfig *config,
                            CURL *curl)
 {
   struct GlobalConfig *global = config->global;
-  (void) config;
+  (void)config;
   /* where to store */
   my_setopt(curl, CURLOPT_WRITEDATA, per);
   my_setopt(curl, CURLOPT_INTERLEAVEDATA, per);

src/curlinfo.c

@@ -244,8 +244,8 @@ int main(int argc, char **argv)
 {
   int i;
 
-  (void) argc;
-  (void) argv;
+  (void)argc;
+  (void)argv;
 
   for(i = 0; disabled[i]; i++)
     printf("%s\n", disabled[i]);

src/mkhelp.pl

@@ -98,13 +98,13 @@ HEAD
 #define BUF_SIZE 0x10000
 static voidpf zalloc_func(voidpf opaque, unsigned int items, unsigned int size)
 {
-  (void) opaque;
+  (void)opaque;
   /* not a typo, keep it calloc() */
   return (voidpf) calloc(items, size);
 }
 static void zfree_func(voidpf opaque, voidpf ptr)
 {
-  (void) opaque;
+  (void)opaque;
   free(ptr);
 }
 

src/tool_cb_hdr.c

@@ -56,7 +56,7 @@ static char *parse_filename(const char *ptr, size_t len);
 
 #ifdef LINK
 static void write_linked_location(CURL *curl, const char *location,
-    size_t loclen, FILE *stream);
+                                  size_t loclen, FILE *stream);
 #endif
 
 int tool_write_headers(struct HdrCbData *hdrcbdata, FILE *stream)
@@ -81,7 +81,6 @@ fail:
 /*
 ** callback for CURLOPT_HEADERFUNCTION
 */
-
 size_t tool_header_cb(char *ptr, size_t size, size_t nmemb, void *userdata)
 {
   struct per_transfer *per = userdata;
@@ -402,9 +401,9 @@ static char *parse_filename(const char *ptr, size_t len)
  * should not be needed but the real world returns plenty of relative
  * URLs here.
  */
-static
-void write_linked_location(CURL *curl, const char *location, size_t loclen,
-                           FILE *stream) {
+static void write_linked_location(CURL *curl, const char *location,
+                                  size_t loclen, FILE *stream)
+{
   /* This would so simple if CURLINFO_REDIRECT_URL were available here */
   CURLU *u = NULL;
   char *copyloc = NULL, *locurl = NULL, *scheme = NULL, *finalurl = NULL;

src/tool_dirhie.c

@@ -35,7 +35,7 @@
 #if defined(_WIN32) || (defined(MSDOS) && !defined(__DJGPP__))
 #  define mkdir(x,y) (mkdir)((x))
 #  ifndef F_OK
-#    define F_OK 0
+#  define F_OK 0
 #  endif
 #endif
 

src/tool_filetime.c

@@ -151,5 +151,4 @@ void setfiletime(curl_off_t filetime, const char *filename,
 #endif
   }
 }
-#endif /* defined(HAVE_UTIME) || defined(HAVE_UTIMES) ||        \
-          defined(_WIN32) */
+#endif /* defined(HAVE_UTIME) || defined(HAVE_UTIMES) || defined(_WIN32) */

src/tool_formparse.c

@@ -204,7 +204,7 @@ size_t tool_mime_stdin_read(char *buffer,
 {
   struct tool_mime *sip = (struct tool_mime *) arg;
   curl_off_t bytesleft;
-  (void) size;  /* Always 1: ignored. */
+  (void)size;  /* Always 1: ignored. */
 
   if(sip->size >= 0) {
     if(sip->curpos >= sip->size)

src/tool_setopt.c

@@ -217,7 +217,7 @@ static char *c_escape(const char *str, curl_off_t len)
     result = curlx_dyn_addn(&escaped, str, s - str);
 
   if(!result)
-    (void) !curlx_dyn_addn(&escaped, "...", cutoff);
+    (void)!curlx_dyn_addn(&escaped, "...", cutoff);
 
   return curlx_dyn_ptr(&escaped);
 }

src/tool_setopt.h

@@ -143,7 +143,7 @@ CURLcode tool_setopt(CURL *curl, bool str,
 #define my_setopt_offt(x,y,z) \
   curl_easy_setopt(x, y, (curl_off_t)(z))
 
-#define my_setopt_str(x,y,z)                    \
+#define my_setopt_str(x,y,z) \
   curl_easy_setopt(x, y, z)
 
 #define my_setopt_enum(x,y,z) \

src/tool_vms.c

@@ -26,7 +26,7 @@
 #ifdef __VMS
 
 #if defined(__DECC) && !defined(__VAX) && \
-    defined(__CRTL_VER) && (__CRTL_VER >= 70301000)
+  defined(__CRTL_VER) && (__CRTL_VER >= 70301000)
 #include <unixlib.h>
 #endif
 
@@ -107,7 +107,7 @@ void vms_special_exit(int code, int vms_show)
 }
 
 #if defined(__DECC) && !defined(__VAX) && \
-    defined(__CRTL_VER) && (__CRTL_VER >= 70301000)
+  defined(__CRTL_VER) && (__CRTL_VER >= 70301000)
 
 /*
  * 2004-09-19 SMS.

src/tool_vms.h

@@ -40,8 +40,8 @@ void vms_special_exit(int code, int vms_show);
 #undef exit
 #define exit(__code) vms_special_exit((__code), (0))
 
-#define  VMS_STS(c,f,e,s) (((c&0xF)<<28)|((f&0xFFF)<<16)|((e&0x1FFF)<3)|(s&7))
-#define  VMSSTS_HIDE  VMS_STS(1,0,0,0)
+#define VMS_STS(c,f,e,s) (((c&0xF)<<28)|((f&0xFFF)<<16)|((e&0x1FFF)<3)|(s&7))
+#define VMSSTS_HIDE VMS_STS(1,0,0,0)
 
 #endif /* __VMS */