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authorDaniel Stenberg <daniel@haxx.se>2003-01-27 10:25:20 +0000
committerDaniel Stenberg <daniel@haxx.se>2003-01-27 10:25:20 +0000
commit173b35eaf85728276f021520e49e0fd5c5bd6d05 (patch)
tree5569f4da483849c7badd75a38448be05e6a0641e /docs/examples
parent2b054e53099fdd44f67eb84dc44b546f03a89528 (diff)
made it work
made it cause less compiler warnings made it require 7.9.7 to build
Diffstat (limited to 'docs/examples')
-rw-r--r--docs/examples/fopen.c95
1 files changed, 54 insertions, 41 deletions
diff --git a/docs/examples/fopen.c b/docs/examples/fopen.c
index a60d10334..8fc4b1f7c 100644
--- a/docs/examples/fopen.c
+++ b/docs/examples/fopen.c
@@ -22,10 +22,13 @@
#include <stdio.h>
#include <string.h>
#include <sys/time.h>
+#include <stdlib.h>
#include <curl/curl.h>
-#include <curl/types.h>
-#include <curl/easy.h>
+
+#if (LIBCURL_VERSION_NUM < 0x070907)
+#error "too old libcurl version, get the latest!"
+#endif
struct data {
int type;
@@ -34,8 +37,8 @@ struct data {
FILE *file;
} handle;
- /* TODO: We should perhaps document the biggest possible buffer chunk we can
- get from libcurl in one single callback... */
+ /* This is the documented biggest possible buffer chunk we can get from
+ libcurl in one single callback! */
char buffer[CURL_MAX_WRITE_SIZE];
char *readptr; /* read from here */
@@ -62,6 +65,8 @@ size_t write_callback(char *buffer,
url->readptr += size;
url->bytes += size;
+ fprintf(stderr, "callback %d size bytes\n", size);
+
return size;
}
@@ -72,6 +77,7 @@ URL_FILE *url_fopen(char *url, char *operation)
URL_FILE *file;
int still_running;
+ (void)operation;
file = (URL_FILE *)malloc(sizeof(URL_FILE));
if(!file)
@@ -134,47 +140,51 @@ size_t url_fread(void *ptr, size_t size, size_t nmemb, URL_FILE *file)
}
}
if(!still_running) {
- printf("NO MORE RUNNING AROUND!\n");
+ printf("DONE RUNNING AROUND!\n");
return 0;
}
}
- FD_ZERO(&fdread);
- FD_ZERO(&fdwrite);
- FD_ZERO(&fdexcep);
-
- /* set a suitable timeout to fail on */
- timeout.tv_sec = 500; /* 5 minutes */
- timeout.tv_usec = 0;
-
- /* get file descriptors from the transfers */
- curl_multi_fdset(multi_handle, &fdread, &fdwrite, &fdexcep, &maxfd);
-
- rc = select(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout);
-
- switch(rc) {
- case -1:
- /* select error */
- break;
- case 0:
- break;
- default:
- /* timeout or readable/writable sockets */
- do {
- file->m = curl_multi_perform(multi_handle, &still_running);
-
- if(file->bytes)
- /* we have received data, return that now */
- break;
+ do {
- } while(CURLM_CALL_MULTI_PERFORM == file->m);
-
-
- if(!still_running)
- printf("NO MORE RUNNING AROUND!\n");
-
- break;
- }
+ FD_ZERO(&fdread);
+ FD_ZERO(&fdwrite);
+ FD_ZERO(&fdexcep);
+
+ /* set a suitable timeout to fail on */
+ timeout.tv_sec = 500; /* 5 minutes */
+ timeout.tv_usec = 0;
+
+ /* get file descriptors from the transfers */
+ curl_multi_fdset(multi_handle, &fdread, &fdwrite, &fdexcep, &maxfd);
+
+ rc = select(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout);
+
+ switch(rc) {
+ case -1:
+ /* select error */
+ break;
+ case 0:
+ break;
+ default:
+ /* timeout or readable/writable sockets */
+ printf("select() returned %d!\n", rc);
+ do {
+ file->m = curl_multi_perform(multi_handle, &still_running);
+
+ if(file->bytes)
+ /* we have received data, return that now */
+ break;
+
+ } while(CURLM_CALL_MULTI_PERFORM == file->m);
+
+
+ if(!still_running)
+ printf("DONE RUNNING AROUND!\n");
+
+ break;
+ }
+ } while(still_running && (file->bytes <= 0));
}
else
printf("(fread) Skip network read\n");
@@ -204,7 +214,10 @@ int main(int argc, char *argv[])
int nread;
char buffer[256];
- handle = url_fopen("http://www.haxx.se", "r");
+ (void)argc;
+ (void)argv;
+
+ handle = url_fopen("http://curl.haxx.se/", "r");
if(!handle) {
printf("couldn't url_fopen()\n");