fopen.c: re-indented, fixed previous mistake
I've made the code intended using curl-style now to look more like other examples. My previous "fix" was a bit too invasive but is now fixed again.
This commit is contained in:
Daniel Stenberg
parent
542318b113
commit
809a748124
@ -53,20 +53,24 @@
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#include <curl/curl.h>
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enum fcurl_type_e { CFTYPE_NONE=0, CFTYPE_FILE=1, CFTYPE_CURL=2 };
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enum fcurl_type_e {
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CFTYPE_NONE=0,
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CFTYPE_FILE=1,
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CFTYPE_CURL=2
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};
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struct fcurl_data
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{
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enum fcurl_type_e type; /* type of handle */
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union {
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CURL *curl;
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FILE *file;
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} handle; /* handle */
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enum fcurl_type_e type; /* type of handle */
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union {
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CURL *curl;
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FILE *file;
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} handle; /* handle */
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char *buffer; /* buffer to store cached data*/
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int buffer_len; /* currently allocated buffers length */
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int buffer_pos; /* end of data in buffer*/
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int still_running; /* Is background url fetch still in progress */
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char *buffer; /* buffer to store cached data*/
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int buffer_len; /* currently allocated buffers length */
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int buffer_pos; /* end of data in buffer*/
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int still_running; /* Is background url fetch still in progress */
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};
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typedef struct fcurl_data URL_FILE;
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@ -83,488 +87,441 @@ void url_rewind(URL_FILE *file);
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CURLM *multi_handle;
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/* curl calls this routine to get more data */
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static size_t
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write_callback(char *buffer,
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size_t size,
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size_t nitems,
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void *userp)
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static size_t write_callback(char *buffer,
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size_t size,
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size_t nitems,
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void *userp)
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{
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char *newbuff;
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int rembuff;
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char *newbuff;
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int rembuff;
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URL_FILE *url = (URL_FILE *)userp;
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size *= nitems;
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URL_FILE *url = (URL_FILE *)userp;
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size *= nitems;
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rembuff=url->buffer_len - url->buffer_pos; /* remaining space in buffer */
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rembuff=url->buffer_len - url->buffer_pos; /* remaining space in buffer */
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if(size > rembuff)
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{
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/* not enough space in buffer */
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newbuff=realloc(url->buffer,url->buffer_len + (size - rembuff));
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if(newbuff==NULL)
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{
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fprintf(stderr,"callback buffer grow failed\n");
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size=rembuff;
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}
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else
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{
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/* realloc suceeded increase buffer size*/
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url->buffer_len+=size - rembuff;
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url->buffer=newbuff;
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/*printf("Callback buffer grown to %d bytes\n",url->buffer_len);*/
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}
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if(size > rembuff) {
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/* not enough space in buffer */
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newbuff=realloc(url->buffer,url->buffer_len + (size - rembuff));
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if(newbuff==NULL) {
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fprintf(stderr,"callback buffer grow failed\n");
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size=rembuff;
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}
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else {
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/* realloc suceeded increase buffer size*/
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url->buffer_len+=size - rembuff;
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url->buffer=newbuff;
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}
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}
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memcpy(&url->buffer[url->buffer_pos], buffer, size);
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url->buffer_pos += size;
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memcpy(&url->buffer[url->buffer_pos], buffer, size);
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url->buffer_pos += size;
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/*fprintf(stderr, "callback %d size bytes\n", size);*/
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return size;
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return size;
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}
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/* use to attempt to fill the read buffer up to requested number of bytes */
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static int
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fill_buffer(URL_FILE *file,int want,int waittime)
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static int fill_buffer(URL_FILE *file,int want,int waittime)
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{
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fd_set fdread;
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fd_set fdwrite;
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fd_set fdexcep;
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struct timeval timeout;
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int rc;
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fd_set fdread;
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fd_set fdwrite;
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fd_set fdexcep;
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struct timeval timeout;
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int rc;
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/* only attempt to fill buffer if transactions still running and buffer
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* doesnt exceed required size already
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*/
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if((!file->still_running) || (file->buffer_pos > want))
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return 0;
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/* only attempt to fill buffer if transactions still running and buffer
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* doesnt exceed required size already
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*/
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if((!file->still_running) || (file->buffer_pos > want))
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return 0;
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/* attempt to fill buffer */
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do
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{
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int maxfd = -1;
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long curl_timeo = -1;
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/* attempt to fill buffer */
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do {
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int maxfd = -1;
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long curl_timeo = -1;
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FD_ZERO(&fdread);
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FD_ZERO(&fdwrite);
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FD_ZERO(&fdexcep);
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FD_ZERO(&fdread);
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FD_ZERO(&fdwrite);
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FD_ZERO(&fdexcep);
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/* set a suitable timeout to fail on */
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timeout.tv_sec = 60; /* 1 minute */
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timeout.tv_usec = 0;
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/* set a suitable timeout to fail on */
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timeout.tv_sec = 60; /* 1 minute */
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timeout.tv_usec = 0;
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curl_multi_timeout(multi_handle, &curl_timeo);
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if(curl_timeo >= 0) {
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timeout.tv_sec = curl_timeo / 1000;
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if(timeout.tv_sec > 1)
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timeout.tv_sec = 1;
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else
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timeout.tv_usec = (curl_timeo % 1000) * 1000;
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}
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curl_multi_timeout(multi_handle, &curl_timeo);
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if(curl_timeo >= 0) {
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timeout.tv_sec = curl_timeo / 1000;
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if(timeout.tv_sec > 1)
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timeout.tv_sec = 1;
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else
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timeout.tv_usec = (curl_timeo % 1000) * 1000;
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}
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/* get file descriptors from the transfers */
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curl_multi_fdset(multi_handle, &fdread, &fdwrite, &fdexcep, &maxfd);
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/* get file descriptors from the transfers */
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curl_multi_fdset(multi_handle, &fdread, &fdwrite, &fdexcep, &maxfd);
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/* In a real-world program you OF COURSE check the return code of the
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function calls. On success, the value of maxfd is guaranteed to be
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greater or equal than -1. We call select(maxfd + 1, ...), specially
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in case of (maxfd == -1), we call select(0, ...), which is basically
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equal to sleep. */
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/* In a real-world program you OF COURSE check the return code of the
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function calls. On success, the value of maxfd is guaranteed to be
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greater or equal than -1. We call select(maxfd + 1, ...), specially
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in case of (maxfd == -1), we call select(0, ...), which is basically
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equal to sleep. */
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rc = select(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout);
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rc = select(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout);
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switch(rc) {
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case -1:
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/* select error */
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break;
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switch(rc) {
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case -1:
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/* select error */
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break;
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case 0:
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/* timeout or readable/writable sockets */
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curl_multi_perform(multi_handle, &file->still_running);
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break;
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}
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} while(file->still_running && (file->buffer_pos < want));
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return 1;
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case 0:
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default:
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/* timeout or readable/writable sockets */
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curl_multi_perform(multi_handle, &file->still_running);
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break;
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}
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} while(file->still_running && (file->buffer_pos < want));
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return 1;
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}
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/* use to remove want bytes from the front of a files buffer */
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static int
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use_buffer(URL_FILE *file,int want)
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static int use_buffer(URL_FILE *file,int want)
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{
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/* sort out buffer */
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if((file->buffer_pos - want) <=0)
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{
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/* ditch buffer - write will recreate */
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if(file->buffer)
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free(file->buffer);
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file->buffer=NULL;
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file->buffer_pos=0;
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file->buffer_len=0;
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}
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else
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{
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/* move rest down make it available for later */
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memmove(file->buffer,
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&file->buffer[want],
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(file->buffer_pos - want));
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file->buffer_pos -= want;
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}
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return 0;
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}
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URL_FILE *
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url_fopen(const char *url,const char *operation)
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{
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/* this code could check for URLs or types in the 'url' and
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basicly use the real fopen() for standard files */
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URL_FILE *file;
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(void)operation;
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file = malloc(sizeof(URL_FILE));
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if(!file)
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return NULL;
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memset(file, 0, sizeof(URL_FILE));
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if((file->handle.file=fopen(url,operation)))
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{
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file->type = CFTYPE_FILE; /* marked as URL */
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}
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else
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{
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file->type = CFTYPE_CURL; /* marked as URL */
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file->handle.curl = curl_easy_init();
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curl_easy_setopt(file->handle.curl, CURLOPT_URL, url);
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curl_easy_setopt(file->handle.curl, CURLOPT_WRITEDATA, file);
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curl_easy_setopt(file->handle.curl, CURLOPT_VERBOSE, 0L);
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curl_easy_setopt(file->handle.curl, CURLOPT_WRITEFUNCTION, write_callback);
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if(!multi_handle)
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multi_handle = curl_multi_init();
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curl_multi_add_handle(multi_handle, file->handle.curl);
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/* lets start the fetch */
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curl_multi_perform(multi_handle, &file->still_running);
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if((file->buffer_pos == 0) && (!file->still_running))
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{
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/* if still_running is 0 now, we should return NULL */
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/* make sure the easy handle is not in the multi handle anymore */
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curl_multi_remove_handle(multi_handle, file->handle.curl);
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/* cleanup */
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curl_easy_cleanup(file->handle.curl);
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free(file);
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file = NULL;
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}
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}
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return file;
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}
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int
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url_fclose(URL_FILE *file)
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{
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int ret=0;/* default is good return */
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switch(file->type)
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{
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case CFTYPE_FILE:
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ret=fclose(file->handle.file); /* passthrough */
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break;
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case CFTYPE_CURL:
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/* make sure the easy handle is not in the multi handle anymore */
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curl_multi_remove_handle(multi_handle, file->handle.curl);
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/* cleanup */
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curl_easy_cleanup(file->handle.curl);
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break;
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default: /* unknown or supported type - oh dear */
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ret=EOF;
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errno=EBADF;
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break;
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}
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/* sort out buffer */
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if((file->buffer_pos - want) <=0) {
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/* ditch buffer - write will recreate */
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if(file->buffer)
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free(file->buffer);/* free any allocated buffer space */
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free(file->buffer);
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free(file);
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file->buffer=NULL;
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file->buffer_pos=0;
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file->buffer_len=0;
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}
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else {
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/* move rest down make it available for later */
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memmove(file->buffer,
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&file->buffer[want],
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(file->buffer_pos - want));
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return ret;
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file->buffer_pos -= want;
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}
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return 0;
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}
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int
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url_feof(URL_FILE *file)
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URL_FILE *url_fopen(const char *url,const char *operation)
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{
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int ret=0;
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/* this code could check for URLs or types in the 'url' and
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basicly use the real fopen() for standard files */
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switch(file->type)
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{
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case CFTYPE_FILE:
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ret=feof(file->handle.file);
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break;
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URL_FILE *file;
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(void)operation;
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case CFTYPE_CURL:
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if((file->buffer_pos == 0) && (!file->still_running))
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ret = 1;
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break;
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default: /* unknown or supported type - oh dear */
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ret=-1;
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errno=EBADF;
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break;
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file = malloc(sizeof(URL_FILE));
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if(!file)
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return NULL;
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memset(file, 0, sizeof(URL_FILE));
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if((file->handle.file=fopen(url,operation)))
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file->type = CFTYPE_FILE; /* marked as URL */
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else {
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file->type = CFTYPE_CURL; /* marked as URL */
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file->handle.curl = curl_easy_init();
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curl_easy_setopt(file->handle.curl, CURLOPT_URL, url);
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curl_easy_setopt(file->handle.curl, CURLOPT_WRITEDATA, file);
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curl_easy_setopt(file->handle.curl, CURLOPT_VERBOSE, 0L);
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curl_easy_setopt(file->handle.curl, CURLOPT_WRITEFUNCTION, write_callback);
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if(!multi_handle)
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multi_handle = curl_multi_init();
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curl_multi_add_handle(multi_handle, file->handle.curl);
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/* lets start the fetch */
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curl_multi_perform(multi_handle, &file->still_running);
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if((file->buffer_pos == 0) && (!file->still_running)) {
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/* if still_running is 0 now, we should return NULL */
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/* make sure the easy handle is not in the multi handle anymore */
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curl_multi_remove_handle(multi_handle, file->handle.curl);
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/* cleanup */
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curl_easy_cleanup(file->handle.curl);
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free(file);
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file = NULL;
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}
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return ret;
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}
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return file;
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}
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size_t
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url_fread(void *ptr, size_t size, size_t nmemb, URL_FILE *file)
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int url_fclose(URL_FILE *file)
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{
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size_t want;
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int ret=0;/* default is good return */
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switch(file->type)
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{
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case CFTYPE_FILE:
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want=fread(ptr,size,nmemb,file->handle.file);
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break;
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switch(file->type) {
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case CFTYPE_FILE:
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ret=fclose(file->handle.file); /* passthrough */
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break;
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case CFTYPE_CURL:
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want = nmemb * size;
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case CFTYPE_CURL:
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/* make sure the easy handle is not in the multi handle anymore */
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curl_multi_remove_handle(multi_handle, file->handle.curl);
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fill_buffer(file,want,1);
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/* cleanup */
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curl_easy_cleanup(file->handle.curl);
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break;
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/* check if theres data in the buffer - if not fill_buffer()
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* either errored or EOF */
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if(!file->buffer_pos)
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return 0;
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default: /* unknown or supported type - oh dear */
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ret=EOF;
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errno=EBADF;
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break;
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}
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/* ensure only available data is considered */
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if(file->buffer_pos < want)
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want = file->buffer_pos;
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if(file->buffer)
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free(file->buffer);/* free any allocated buffer space */
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/* xfer data to caller */
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memcpy(ptr, file->buffer, want);
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free(file);
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use_buffer(file,want);
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want = want / size; /* number of items - nb correct op - checked
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* with glibc code*/
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/*printf("(fread) return %d bytes %d left\n", want,file->buffer_pos);*/
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break;
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default: /* unknown or supported type - oh dear */
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want=0;
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errno=EBADF;
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break;
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}
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return want;
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return ret;
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}
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char *
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url_fgets(char *ptr, int size, URL_FILE *file)
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int url_feof(URL_FILE *file)
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{
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int want = size - 1;/* always need to leave room for zero termination */
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int loop;
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int ret=0;
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switch(file->type)
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{
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case CFTYPE_FILE:
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ptr = fgets(ptr,size,file->handle.file);
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break;
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case CFTYPE_CURL:
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fill_buffer(file,want,1);
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/* check if theres data in the buffer - if not fill either errored or
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* EOF */
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if(!file->buffer_pos)
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return NULL;
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/* ensure only available data is considered */
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if(file->buffer_pos < want)
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want = file->buffer_pos;
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/*buffer contains data */
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/* look for newline or eof */
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for(loop=0;loop < want;loop++)
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{
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if(file->buffer[loop] == '\n')
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{
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want=loop+1;/* include newline */
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/* xfer data to caller */
|
||||
memcpy(ptr, file->buffer, want);
|
||||
ptr[want]=0;/* allways null terminate */
|
||||
|
||||
use_buffer(file,want);
|
||||
|
||||
/*printf("(fgets) return %d bytes %d left\n", want,file->buffer_pos);*/
|
||||
break;
|
||||
|
||||
default: /* unknown or supported type - oh dear */
|
||||
ptr=NULL;
|
||||
errno=EBADF;
|
||||
switch(file->type) {
|
||||
case CFTYPE_FILE:
|
||||
ret=feof(file->handle.file);
|
||||
break;
|
||||
|
||||
case CFTYPE_CURL:
|
||||
if((file->buffer_pos == 0) && (!file->still_running))
|
||||
ret = 1;
|
||||
break;
|
||||
|
||||
default: /* unknown or supported type - oh dear */
|
||||
ret=-1;
|
||||
errno=EBADF;
|
||||
break;
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
size_t url_fread(void *ptr, size_t size, size_t nmemb, URL_FILE *file)
|
||||
{
|
||||
size_t want;
|
||||
|
||||
switch(file->type) {
|
||||
case CFTYPE_FILE:
|
||||
want=fread(ptr,size,nmemb,file->handle.file);
|
||||
break;
|
||||
|
||||
case CFTYPE_CURL:
|
||||
want = nmemb * size;
|
||||
|
||||
fill_buffer(file,want,1);
|
||||
|
||||
/* check if theres data in the buffer - if not fill_buffer()
|
||||
* either errored or EOF */
|
||||
if(!file->buffer_pos)
|
||||
return 0;
|
||||
|
||||
/* ensure only available data is considered */
|
||||
if(file->buffer_pos < want)
|
||||
want = file->buffer_pos;
|
||||
|
||||
/* xfer data to caller */
|
||||
memcpy(ptr, file->buffer, want);
|
||||
|
||||
use_buffer(file,want);
|
||||
|
||||
want = want / size; /* number of items */
|
||||
break;
|
||||
|
||||
default: /* unknown or supported type - oh dear */
|
||||
want=0;
|
||||
errno=EBADF;
|
||||
break;
|
||||
|
||||
}
|
||||
return want;
|
||||
}
|
||||
|
||||
char *url_fgets(char *ptr, int size, URL_FILE *file)
|
||||
{
|
||||
int want = size - 1;/* always need to leave room for zero termination */
|
||||
int loop;
|
||||
|
||||
switch(file->type) {
|
||||
case CFTYPE_FILE:
|
||||
ptr = fgets(ptr,size,file->handle.file);
|
||||
break;
|
||||
|
||||
case CFTYPE_CURL:
|
||||
fill_buffer(file,want,1);
|
||||
|
||||
/* check if theres data in the buffer - if not fill either errored or
|
||||
* EOF */
|
||||
if(!file->buffer_pos)
|
||||
return NULL;
|
||||
|
||||
/* ensure only available data is considered */
|
||||
if(file->buffer_pos < want)
|
||||
want = file->buffer_pos;
|
||||
|
||||
/*buffer contains data */
|
||||
/* look for newline or eof */
|
||||
for(loop=0;loop < want;loop++) {
|
||||
if(file->buffer[loop] == '\n') {
|
||||
want=loop+1;/* include newline */
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
return ptr;/*success */
|
||||
/* xfer data to caller */
|
||||
memcpy(ptr, file->buffer, want);
|
||||
ptr[want]=0;/* allways null terminate */
|
||||
|
||||
use_buffer(file,want);
|
||||
|
||||
break;
|
||||
|
||||
default: /* unknown or supported type - oh dear */
|
||||
ptr=NULL;
|
||||
errno=EBADF;
|
||||
break;
|
||||
}
|
||||
|
||||
return ptr;/*success */
|
||||
}
|
||||
|
||||
void
|
||||
url_rewind(URL_FILE *file)
|
||||
void url_rewind(URL_FILE *file)
|
||||
{
|
||||
switch(file->type)
|
||||
{
|
||||
case CFTYPE_FILE:
|
||||
rewind(file->handle.file); /* passthrough */
|
||||
break;
|
||||
switch(file->type) {
|
||||
case CFTYPE_FILE:
|
||||
rewind(file->handle.file); /* passthrough */
|
||||
break;
|
||||
|
||||
case CFTYPE_CURL:
|
||||
/* halt transaction */
|
||||
curl_multi_remove_handle(multi_handle, file->handle.curl);
|
||||
case CFTYPE_CURL:
|
||||
/* halt transaction */
|
||||
curl_multi_remove_handle(multi_handle, file->handle.curl);
|
||||
|
||||
/* restart */
|
||||
curl_multi_add_handle(multi_handle, file->handle.curl);
|
||||
/* restart */
|
||||
curl_multi_add_handle(multi_handle, file->handle.curl);
|
||||
|
||||
/* ditch buffer - write will recreate - resets stream pos*/
|
||||
if(file->buffer)
|
||||
free(file->buffer);
|
||||
/* ditch buffer - write will recreate - resets stream pos*/
|
||||
if(file->buffer)
|
||||
free(file->buffer);
|
||||
|
||||
file->buffer=NULL;
|
||||
file->buffer_pos=0;
|
||||
file->buffer_len=0;
|
||||
file->buffer=NULL;
|
||||
file->buffer_pos=0;
|
||||
file->buffer_len=0;
|
||||
|
||||
break;
|
||||
|
||||
default: /* unknown or supported type - oh dear */
|
||||
break;
|
||||
|
||||
}
|
||||
break;
|
||||
|
||||
default: /* unknown or supported type - oh dear */
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/* Small main program to retrive from a url using fgets and fread saving the
|
||||
* output to two test files (note the fgets method will corrupt binary files if
|
||||
* they contain 0 chars */
|
||||
int
|
||||
main(int argc, char *argv[])
|
||||
int main(int argc, char *argv[])
|
||||
{
|
||||
URL_FILE *handle;
|
||||
FILE *outf;
|
||||
URL_FILE *handle;
|
||||
FILE *outf;
|
||||
|
||||
int nread;
|
||||
char buffer[256];
|
||||
const char *url;
|
||||
int nread;
|
||||
char buffer[256];
|
||||
const char *url;
|
||||
|
||||
if(argc < 2)
|
||||
{
|
||||
url="http://192.168.7.3/testfile";/* default to testurl */
|
||||
}
|
||||
else
|
||||
{
|
||||
url=argv[1];/* use passed url */
|
||||
}
|
||||
if(argc < 2)
|
||||
url="http://192.168.7.3/testfile";/* default to testurl */
|
||||
else
|
||||
url=argv[1];/* use passed url */
|
||||
|
||||
/* copy from url line by line with fgets */
|
||||
outf=fopen("fgets.test","w+");
|
||||
if(!outf)
|
||||
{
|
||||
perror("couldn't open fgets output file\n");
|
||||
return 1;
|
||||
}
|
||||
|
||||
handle = url_fopen(url, "r");
|
||||
if(!handle)
|
||||
{
|
||||
printf("couldn't url_fopen() %s\n", url);
|
||||
fclose(outf);
|
||||
return 2;
|
||||
}
|
||||
|
||||
while(!url_feof(handle))
|
||||
{
|
||||
url_fgets(buffer,sizeof(buffer),handle);
|
||||
fwrite(buffer,1,strlen(buffer),outf);
|
||||
}
|
||||
|
||||
url_fclose(handle);
|
||||
/* copy from url line by line with fgets */
|
||||
outf=fopen("fgets.test","w+");
|
||||
if(!outf) {
|
||||
perror("couldn't open fgets output file\n");
|
||||
return 1;
|
||||
}
|
||||
|
||||
handle = url_fopen(url, "r");
|
||||
if(!handle) {
|
||||
printf("couldn't url_fopen() %s\n", url);
|
||||
fclose(outf);
|
||||
return 2;
|
||||
}
|
||||
|
||||
while(!url_feof(handle)) {
|
||||
url_fgets(buffer,sizeof(buffer),handle);
|
||||
fwrite(buffer,1,strlen(buffer),outf);
|
||||
}
|
||||
|
||||
url_fclose(handle);
|
||||
|
||||
fclose(outf);
|
||||
|
||||
|
||||
/* Copy from url with fread */
|
||||
outf=fopen("fread.test","w+");
|
||||
if(!outf)
|
||||
{
|
||||
perror("couldn't open fread output file\n");
|
||||
return 1;
|
||||
}
|
||||
|
||||
handle = url_fopen("testfile", "r");
|
||||
if(!handle) {
|
||||
printf("couldn't url_fopen() testfile\n");
|
||||
fclose(outf);
|
||||
return 2;
|
||||
}
|
||||
|
||||
do {
|
||||
nread = url_fread(buffer, 1,sizeof(buffer), handle);
|
||||
fwrite(buffer,1,nread,outf);
|
||||
} while(nread);
|
||||
|
||||
url_fclose(handle);
|
||||
/* Copy from url with fread */
|
||||
outf=fopen("fread.test","w+");
|
||||
if(!outf) {
|
||||
perror("couldn't open fread output file\n");
|
||||
return 1;
|
||||
}
|
||||
|
||||
handle = url_fopen("testfile", "r");
|
||||
if(!handle) {
|
||||
printf("couldn't url_fopen() testfile\n");
|
||||
fclose(outf);
|
||||
return 2;
|
||||
}
|
||||
|
||||
do {
|
||||
nread = url_fread(buffer, 1,sizeof(buffer), handle);
|
||||
fwrite(buffer,1,nread,outf);
|
||||
} while(nread);
|
||||
|
||||
url_fclose(handle);
|
||||
|
||||
fclose(outf);
|
||||
|
||||
|
||||
/* Test rewind */
|
||||
outf=fopen("rewind.test","w+");
|
||||
if(!outf)
|
||||
{
|
||||
perror("couldn't open fread output file\n");
|
||||
return 1;
|
||||
}
|
||||
|
||||
handle = url_fopen("testfile", "r");
|
||||
if(!handle) {
|
||||
printf("couldn't url_fopen() testfile\n");
|
||||
fclose(outf);
|
||||
return 2;
|
||||
}
|
||||
|
||||
nread = url_fread(buffer, 1,sizeof(buffer), handle);
|
||||
fwrite(buffer,1,nread,outf);
|
||||
url_rewind(handle);
|
||||
|
||||
buffer[0]='\n';
|
||||
fwrite(buffer,1,1,outf);
|
||||
|
||||
nread = url_fread(buffer, 1,sizeof(buffer), handle);
|
||||
fwrite(buffer,1,nread,outf);
|
||||
|
||||
|
||||
url_fclose(handle);
|
||||
/* Test rewind */
|
||||
outf=fopen("rewind.test","w+");
|
||||
if(!outf) {
|
||||
perror("couldn't open fread output file\n");
|
||||
return 1;
|
||||
}
|
||||
|
||||
handle = url_fopen("testfile", "r");
|
||||
if(!handle) {
|
||||
printf("couldn't url_fopen() testfile\n");
|
||||
fclose(outf);
|
||||
return 2;
|
||||
}
|
||||
|
||||
nread = url_fread(buffer, 1,sizeof(buffer), handle);
|
||||
fwrite(buffer,1,nread,outf);
|
||||
url_rewind(handle);
|
||||
|
||||
buffer[0]='\n';
|
||||
fwrite(buffer,1,1,outf);
|
||||
|
||||
nread = url_fread(buffer, 1,sizeof(buffer), handle);
|
||||
fwrite(buffer,1,nread,outf);
|
||||
|
||||
|
||||
return 0;/* all done */
|
||||
url_fclose(handle);
|
||||
|
||||
fclose(outf);
|
||||
|
||||
|
||||
return 0;/* all done */
|
||||
}
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user