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Code Issues Releases Wiki Activity

made it work

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made it cause less compiler warnings
made it require 7.9.7 to build
This commit is contained in:
Daniel Stenberg 2003-01-27 10:25:20 +00:00
parent 2b054e5309
commit 173b35eaf8
1 changed files with 50 additions and 37 deletions
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87
docs/examples/fopen.c
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@ -22,10 +22,13 @@
#include <stdio.h> #include <stdio.h>
#include <string.h> #include <string.h>
#include <sys/time.h> #include <sys/time.h>
#include <stdlib.h>
#include <curl/curl.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 { struct data {
int type; int type;
@ -34,8 +37,8 @@ struct data {
FILE *file; FILE *file;
} handle; } handle;
/* TODO: We should perhaps document the biggest possible buffer chunk we can /* This is the documented biggest possible buffer chunk we can get from
get from libcurl in one single callback... */ libcurl in one single callback! */
char buffer[CURL_MAX_WRITE_SIZE]; char buffer[CURL_MAX_WRITE_SIZE];
char *readptr; /* read from here */ char *readptr; /* read from here */
@ -62,6 +65,8 @@ size_t write_callback(char *buffer,
url->readptr += size; url->readptr += size;
url->bytes += size; url->bytes += size;
fprintf(stderr, "callback %d size bytes\n", size);
return size; return size;
} }
@ -72,6 +77,7 @@ URL_FILE *url_fopen(char *url, char *operation)
URL_FILE *file; URL_FILE *file;
int still_running; int still_running;
(void)operation;
file = (URL_FILE *)malloc(sizeof(URL_FILE)); file = (URL_FILE *)malloc(sizeof(URL_FILE));
if(!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) { if(!still_running) {
printf("NO MORE RUNNING AROUND!\n"); printf("DONE RUNNING AROUND!\n");
return 0; return 0;
} }
} }
FD_ZERO(&fdread); do {
FD_ZERO(&fdwrite);
FD_ZERO(&fdexcep); FD_ZERO(&fdread);
FD_ZERO(&fdwrite);
FD_ZERO(&fdexcep);
/* set a suitable timeout to fail on */ /* set a suitable timeout to fail on */
timeout.tv_sec = 500; /* 5 minutes */ timeout.tv_sec = 500; /* 5 minutes */
timeout.tv_usec = 0; timeout.tv_usec = 0;
/* get file descriptors from the transfers */ /* get file descriptors from the transfers */
curl_multi_fdset(multi_handle, &fdread, &fdwrite, &fdexcep, &maxfd); curl_multi_fdset(multi_handle, &fdread, &fdwrite, &fdexcep, &maxfd);
rc = select(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout); rc = select(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout);
switch(rc) { switch(rc) {
case -1: case -1:
/* select error */ /* select error */
break; break;
case 0: case 0:
break; break;
default: default:
/* timeout or readable/writable sockets */ /* timeout or readable/writable sockets */
do { printf("select() returned %d!\n", rc);
file->m = curl_multi_perform(multi_handle, &still_running); 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(file->bytes)
/* we have received data, return that now */ if(!still_running)
break; printf("DONE RUNNING AROUND!\n");
} while(CURLM_CALL_MULTI_PERFORM == file->m); break;
}
} while(still_running && (file->bytes <= 0));
if(!still_running)
printf("NO MORE RUNNING AROUND!\n");
break;
}
} }
else else
printf("(fread) Skip network read\n"); printf("(fread) Skip network read\n");
@ -204,7 +214,10 @@ int main(int argc, char *argv[])
int nread; int nread;
char buffer[256]; 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) { if(!handle) {
printf("couldn't url_fopen()\n"); printf("couldn't url_fopen()\n");