examples: adhere to curl code style

All plain C examples now (mostly) adhere to the curl code style. While
they are only examples, they had diverted so much and contained all
sorts of different mixed code styles by now. Having them use a unified
style helps users and readability. Also, as they get copy-and-pasted
widely by users, making sure they're clean and nice is a good idea.

573 checksrc warnings were addressed.

1 files changed, 55 insertions, 51 deletions

diff --git a/docs/examples/evhiperfifo.c b/docs/examples/evhiperfifo.c
index ab4d00b30..6d7936b5c 100644
--- a/docs/examples/evhiperfifo.c
+++ b/docs/examples/evhiperfifo.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -119,12 +119,12 @@ static int multi_timer_cb(CURLM *multi, long timeout_ms, GlobalInfo *g)
 {
   DPRINT("%s %li\n", __PRETTY_FUNCTION__,  timeout_ms);
   ev_timer_stop(g->loop, &g->timer_event);
-  if (timeout_ms > 0)
-  {
+  if(timeout_ms > 0) {
     double  t = timeout_ms / 1000;
     ev_timer_init(&g->timer_event, timer_cb, t, 0.);
     ev_timer_start(g->loop, &g->timer_event);
-  }else
+  }
+  else
     timer_cb(g->loop, &g->timer_event, 0);
   return 0;
 }
@@ -132,20 +132,32 @@ static int multi_timer_cb(CURLM *multi, long timeout_ms, GlobalInfo *g)
 /* Die if we get a bad CURLMcode somewhere */
 static void mcode_or_die(const char *where, CURLMcode code)
 {
-  if ( CURLM_OK != code )
-  {
+  if(CURLM_OK != code) {
     const char *s;
-    switch ( code )
-    {
-    case CURLM_BAD_HANDLE:         s="CURLM_BAD_HANDLE";         break;
-    case CURLM_BAD_EASY_HANDLE:    s="CURLM_BAD_EASY_HANDLE";    break;
-    case CURLM_OUT_OF_MEMORY:      s="CURLM_OUT_OF_MEMORY";      break;
-    case CURLM_INTERNAL_ERROR:     s="CURLM_INTERNAL_ERROR";     break;
-    case CURLM_UNKNOWN_OPTION:     s="CURLM_UNKNOWN_OPTION";     break;
-    case CURLM_LAST:               s="CURLM_LAST";               break;
-    default: s="CURLM_unknown";
+    switch (code) {
+    case CURLM_BAD_HANDLE:
+      s="CURLM_BAD_HANDLE";
+      break;
+    case CURLM_BAD_EASY_HANDLE:
+      s="CURLM_BAD_EASY_HANDLE";
+      break;
+    case CURLM_OUT_OF_MEMORY:
+      s="CURLM_OUT_OF_MEMORY";
+      break;
+    case CURLM_INTERNAL_ERROR:
+      s="CURLM_INTERNAL_ERROR";
+      break;
+    case CURLM_UNKNOWN_OPTION:
+      s="CURLM_UNKNOWN_OPTION";
+      break;
+    case CURLM_LAST:
+      s="CURLM_LAST";
       break;
-    case     CURLM_BAD_SOCKET:         s="CURLM_BAD_SOCKET";
+    default:
+      s="CURLM_unknown";
+      break;
+    case CURLM_BAD_SOCKET:
+      s="CURLM_BAD_SOCKET";
       fprintf(MSG_OUT, "ERROR: %s returns %s\n", where, s);
       /* ignore this error */
       return;
@@ -168,8 +180,8 @@ static void check_multi_info(GlobalInfo *g)
   CURLcode res;
 
   fprintf(MSG_OUT, "REMAINING: %d\n", g->still_running);
-  while ((msg = curl_multi_info_read(g->multi, &msgs_left))) {
-    if (msg->msg == CURLMSG_DONE) {
+  while((msg = curl_multi_info_read(g->multi, &msgs_left))) {
+    if(msg->msg == CURLMSG_DONE) {
       easy = msg->easy_handle;
       res = msg->data.result;
       curl_easy_getinfo(easy, CURLINFO_PRIVATE, &conn);
@@ -197,8 +209,7 @@ static void event_cb(EV_P_ struct ev_io *w, int revents)
   rc = curl_multi_socket_action(g->multi, w->fd, action, &g->still_running);
   mcode_or_die("event_cb: curl_multi_socket_action", rc);
   check_multi_info(g);
-  if ( g->still_running <= 0 )
-  {
+  if(g->still_running <= 0) {
     fprintf(MSG_OUT, "last transfer done, kill timeout\n");
     ev_timer_stop(g->loop, &g->timer_event);
   }
@@ -212,7 +223,8 @@ static void timer_cb(EV_P_ struct ev_timer *w, int revents)
   GlobalInfo *g = (GlobalInfo *)w->data;
   CURLMcode rc;
 
-  rc = curl_multi_socket_action(g->multi, CURL_SOCKET_TIMEOUT, 0, &g->still_running);
+  rc = curl_multi_socket_action(g->multi, CURL_SOCKET_TIMEOUT, 0,
+                                &g->still_running);
   mcode_or_die("timer_cb: curl_multi_socket_action", rc);
   check_multi_info(g);
 }
@@ -221,9 +233,8 @@ static void timer_cb(EV_P_ struct ev_timer *w, int revents)
 static void remsock(SockInfo *f, GlobalInfo *g)
 {
   printf("%s  \n", __PRETTY_FUNCTION__);
-  if ( f )
-  {
-    if ( f->evset )
+  if(f) {
+    if(f->evset)
       ev_io_stop(g->loop, &f->ev);
     free(f);
   }
@@ -241,7 +252,7 @@ static void setsock(SockInfo*f, curl_socket_t s, CURL*e, int act, GlobalInfo*g)
   f->sockfd = s;
   f->action = act;
   f->easy = e;
-  if ( f->evset )
+  if(f->evset)
     ev_io_stop(g->loop, &f->ev);
   ev_io_init(&f->ev, event_cb, f->sockfd, kind);
   f->ev.data = g;
@@ -273,18 +284,16 @@ static int sock_cb(CURL *e, curl_socket_t s, int what, void *cbp, void *sockp)
 
   fprintf(MSG_OUT,
           "socket callback: s=%d e=%p what=%s ", s, e, whatstr[what]);
-  if ( what == CURL_POLL_REMOVE )
-  {
+  if(what == CURL_POLL_REMOVE) {
     fprintf(MSG_OUT, "\n");
     remsock(fdp, g);
-  } else
-  {
-    if ( !fdp )
-    {
+  }
+  else {
+    if(!fdp) {
       fprintf(MSG_OUT, "Adding data: %s\n", whatstr[what]);
       addsock(s, e, what, g);
-    } else
-    {
+    }
+    else {
       fprintf(MSG_OUT,
               "Changing action from %s to %s\n",
               whatstr[fdp->action], whatstr[what]);
@@ -330,8 +339,7 @@ static void new_conn(char *url, GlobalInfo *g )
   conn->error[0]='\0';
 
   conn->easy = curl_easy_init();
-  if ( !conn->easy )
-  {
+  if(!conn->easy) {
     fprintf(MSG_OUT, "curl_easy_init() failed, exiting!\n");
     exit(2);
   }
@@ -366,16 +374,16 @@ static void fifo_cb(EV_P_ struct ev_io *w, int revents)
   int n=0;
   GlobalInfo *g = (GlobalInfo *)w->data;
 
-  do
-  {
+  do {
     s[0]='\0';
     rv=fscanf(g->input, "%1023s%n", s, &n);
     s[n]='\0';
-    if ( n && s[0] )
-    {
-      new_conn(s,g);  /* if we read a URL, go get it! */
-    } else break;
-  } while ( rv != EOF );
+    if(n && s[0]) {
+      new_conn(s, g);  /* if we read a URL, go get it! */
+    }
+    else
+      break;
+  } while(rv != EOF);
 }
 
 /* Create a named pipe and tell libevent to monitor it */
@@ -386,24 +394,20 @@ static int init_fifo (GlobalInfo *g)
   curl_socket_t sockfd;
 
   fprintf(MSG_OUT, "Creating named pipe \"%s\"\n", fifo);
-  if ( lstat (fifo, &st) == 0 )
-  {
-    if ( (st.st_mode & S_IFMT) == S_IFREG )
-    {
+  if(lstat (fifo, &st) == 0) {
+    if((st.st_mode & S_IFMT) == S_IFREG) {
       errno = EEXIST;
       perror("lstat");
       exit (1);
     }
   }
   unlink(fifo);
-  if ( mkfifo (fifo, 0600) == -1 )
-  {
+  if(mkfifo (fifo, 0600) == -1) {
     perror("mkfifo");
     exit (1);
   }
   sockfd = open(fifo, O_RDWR | O_NONBLOCK, 0);
-  if ( sockfd == -1 )
-  {
+  if(sockfd == -1) {
     perror("open");
     exit (1);
   }
@@ -412,7 +416,7 @@ static int init_fifo (GlobalInfo *g)
   fprintf(MSG_OUT, "Now, pipe some URL's into > %s\n", fifo);
   ev_io_init(&g->fifo_event, fifo_cb, sockfd, EV_READ);
   ev_io_start(g->loop, &g->fifo_event);
-  return(0);
+  return (0);
 }
 
 int main(int argc, char **argv)