docs/examples: do not wait when no transfers are running

Closes #2948

diff --git a/docs/examples/http2-download.c b/docs/examples/http2-download.c
index 3425d302fc565990a2cfd9d0ebaa7613c33692a9..b4ac7c93e1ad7d70423a5ad57b5785735c0b31df 100644 (file)
--- a/docs/examples/http2-download.c
+++ b/docs/examples/http2-download.c
@@ -189,7 +189,7 @@ int main(int argc, char **argv)
   CURL *easy[NUM_HANDLES];
   CURLM *multi_handle;
   int i;
-  int still_running; /* keep number of running handles */
+  int still_running = 0; /* keep number of running handles */
 
   if(argc > 1)
     /* if given a number, do that many transfers */
@@ -215,7 +215,7 @@ int main(int argc, char **argv)
   /* we start some action by calling perform right away */
   curl_multi_perform(multi_handle, &still_running);
 
-  do {
+  while(still_running) {
     struct timeval timeout;
     int rc; /* select() return code */
     CURLMcode mc; /* curl_multi_fdset() return code */
@@ -284,7 +284,7 @@ int main(int argc, char **argv)
       curl_multi_perform(multi_handle, &still_running);
       break;
     }
-  } while(still_running);
+  }
 
   curl_multi_cleanup(multi_handle);
 

diff --git a/docs/examples/http2-upload.c b/docs/examples/http2-upload.c
index 06ff04091f6e073f95b09394d360ad69bbbb4674..2717998ca443ec0b095e0a747cb2d7947126857e 100644 (file)
--- a/docs/examples/http2-upload.c
+++ b/docs/examples/http2-upload.c
@@ -245,7 +245,7 @@ int main(int argc, char **argv)
   CURL *easy[NUM_HANDLES];
   CURLM *multi_handle;
   int i;
-  int still_running; /* keep number of running handles */
+  int still_running = 0; /* keep number of running handles */
   const char *filename = "index.html";
 
   if(argc > 1)
@@ -279,7 +279,7 @@ int main(int argc, char **argv)
   /* we start some action by calling perform right away */
   curl_multi_perform(multi_handle, &still_running);
 
-  do {
+  while(still_running) {
     struct timeval timeout;
     int rc; /* select() return code */
     CURLMcode mc; /* curl_multi_fdset() return code */
@@ -348,7 +348,7 @@ int main(int argc, char **argv)
       curl_multi_perform(multi_handle, &still_running);
       break;
     }
-  } while(still_running);
+  }
 
   curl_multi_cleanup(multi_handle);
 

diff --git a/docs/examples/multi-app.c b/docs/examples/multi-app.c
index 74b2a942651a33cbbec1191a01771119b6539a21..fc31f5e683b64f68a08340251ffa30adb939d1e1 100644 (file)
--- a/docs/examples/multi-app.c
+++ b/docs/examples/multi-app.c
@@ -48,7 +48,7 @@ int main(void)
   CURL *handles[HANDLECOUNT];
   CURLM *multi_handle;
 
-  int still_running; /* keep number of running handles */
+  int still_running = 0; /* keep number of running handles */
   int i;
 
   CURLMsg *msg; /* for picking up messages with the transfer status */
@@ -74,7 +74,7 @@ int main(void)
   /* we start some action by calling perform right away */
   curl_multi_perform(multi_handle, &still_running);
 
-  do {
+  while(still_running) {
     struct timeval timeout;
     int rc; /* select() return code */
     CURLMcode mc; /* curl_multi_fdset() return code */
@@ -142,7 +142,7 @@ int main(void)
       curl_multi_perform(multi_handle, &still_running);
       break;
     }
-  } while(still_running);
+  }
 
   /* See how the transfers went */
   while((msg = curl_multi_info_read(multi_handle, &msgs_left))) {

diff --git a/docs/examples/multi-debugcallback.c b/docs/examples/multi-debugcallback.c
index 11ab74b718fe6b40be06238728ab325a0c871285..fa95179dec84725f5de6656301e1256e874adf19 100644 (file)
--- a/docs/examples/multi-debugcallback.c
+++ b/docs/examples/multi-debugcallback.c
@@ -131,7 +131,7 @@ int main(void)
   CURL *http_handle;
   CURLM *multi_handle;
 
-  int still_running; /* keep number of running handles */
+  int still_running = 0; /* keep number of running handles */
 
   http_handle = curl_easy_init();
 
@@ -150,7 +150,7 @@ int main(void)
   /* we start some action by calling perform right away */
   curl_multi_perform(multi_handle, &still_running);
 
-  do {
+  while(still_running) {
     struct timeval timeout;
     int rc; /* select() return code */
     CURLMcode mc; /* curl_multi_fdset() return code */
@@ -221,7 +221,7 @@ int main(void)
       curl_multi_perform(multi_handle, &still_running);
       break;
     }
-  } while(still_running);
+  }
 
   curl_multi_cleanup(multi_handle);
 

diff --git a/docs/examples/multi-double.c b/docs/examples/multi-double.c
index 34345393940eb0178e0d8d4b98e8801512f81f63..79e44ca887b75d5cc04252cffba031c9600aa868 100644 (file)
--- a/docs/examples/multi-double.c
+++ b/docs/examples/multi-double.c
@@ -42,7 +42,7 @@ int main(void)
   CURL *http_handle2;
   CURLM *multi_handle;
 
-  int still_running; /* keep number of running handles */
+  int still_running = 0; /* keep number of running handles */
 
   http_handle = curl_easy_init();
   http_handle2 = curl_easy_init();
@@ -63,7 +63,7 @@ int main(void)
   /* we start some action by calling perform right away */
   curl_multi_perform(multi_handle, &still_running);
 
-  do {
+  while(still_running) {
     struct timeval timeout;
     int rc; /* select() return code */
     CURLMcode mc; /* curl_multi_fdset() return code */
@@ -132,7 +132,7 @@ int main(void)
       curl_multi_perform(multi_handle, &still_running);
       break;
     }
-  } while(still_running);
+  }
 
   curl_multi_cleanup(multi_handle);
 

diff --git a/docs/examples/multi-formadd.c b/docs/examples/multi-formadd.c
index bd85cc641b463f80b333c4077e49df3360ba9e4d..975cb605eb55dd7f35f83c986eb153a12c27c3e8 100644 (file)
--- a/docs/examples/multi-formadd.c
+++ b/docs/examples/multi-formadd.c
@@ -35,7 +35,7 @@ int main(void)
   CURL *curl;
 
   CURLM *multi_handle;
-  int still_running;
+  int still_running = 0;
 
   struct curl_httppost *formpost = NULL;
   struct curl_httppost *lastptr = NULL;
@@ -83,7 +83,7 @@ int main(void)
 
     curl_multi_perform(multi_handle, &still_running);
 
-    do {
+    while(still_running) {
       struct timeval timeout;
       int rc; /* select() return code */
       CURLMcode mc; /* curl_multi_fdset() return code */
@@ -154,7 +154,7 @@ int main(void)
         printf("running: %d!\n", still_running);
         break;
       }
-    } while(still_running);
+    }
 
     curl_multi_cleanup(multi_handle);
 

diff --git a/docs/examples/multi-post.c b/docs/examples/multi-post.c
index 95d71bea981669f7235fcb943ab3bb4a3d83e8a3..fe543312a7b91650e260f4986944fb6047f7b6c4 100644 (file)
--- a/docs/examples/multi-post.c
+++ b/docs/examples/multi-post.c
@@ -35,7 +35,7 @@ int main(void)
   CURL *curl;
 
   CURLM *multi_handle;
-  int still_running;
+  int still_running = 0;
 
   curl_mime *form = NULL;
   curl_mimepart *field = NULL;
@@ -79,7 +79,7 @@ int main(void)
 
     curl_multi_perform(multi_handle, &still_running);
 
-    do {
+    while(still_running) {
       struct timeval timeout;
       int rc; /* select() return code */
       CURLMcode mc; /* curl_multi_fdset() return code */
@@ -150,7 +150,7 @@ int main(void)
         printf("running: %d!\n", still_running);
         break;
       }
-    } while(still_running);
+    }
 
     curl_multi_cleanup(multi_handle);
 

diff --git a/docs/examples/multi-single.c b/docs/examples/multi-single.c
index 70b6d24b2fa3837c84120a43daa15a8f89b04653..3dca0f1afa3d230cc8247381a5bb0e5816f4db57 100644 (file)
--- a/docs/examples/multi-single.c
+++ b/docs/examples/multi-single.c
@@ -51,7 +51,7 @@ int main(void)
   CURL *http_handle;
   CURLM *multi_handle;
 
-  int still_running; /* keep number of running handles */
+  int still_running = 0; /* keep number of running handles */
   int repeats = 0;
 
   curl_global_init(CURL_GLOBAL_DEFAULT);
@@ -70,7 +70,7 @@ int main(void)
   /* we start some action by calling perform right away */
   curl_multi_perform(multi_handle, &still_running);
 
-  do {
+  while(still_running) {
     CURLMcode mc; /* curl_multi_wait() return code */
     int numfds;
 
@@ -97,7 +97,7 @@ int main(void)
       repeats = 0;
 
     curl_multi_perform(multi_handle, &still_running);
-  } while(still_running);
+  }
 
   curl_multi_remove_handle(multi_handle, http_handle);