MESSAGE
| DATE | 2004-11-24 |
| FROM | Ruben Safir Secretary NYLXS
|
| SUBJECT | Re: [hangout] C/C++ coding problem.
|
>
> Sheesh! Do you think Perl is the only language with libraries?
>
No. There is Python and Java.
>
> You have forced my hand, sir.. I present a poor-man's lwp-request,
> which compiles down to a 6k executable on my Debian system.
>
> Most of the code is error checking.. if you didn't care about
> that, you could probably do this in 10 lines and just dump
> the URL to stdout.
>
> ===== curlbilly.c =====
>
> #include
>
> int
> download(char *url, FILE*fp)
> {
> CURLcode res;
> CURL *curl;
> char curlerrbuf[CURL_ERROR_SIZE];
> curl = curl_easy_init();
> curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, curlerrbuf);
> curl_easy_setopt(curl, CURLOPT_FAILONERROR, 1);
> curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1);
> curl_easy_setopt(curl, CURLOPT_URL, url);
> curl_easy_setopt(curl, CURLOPT_FILE, fp);
> if(!curl){
> fprintf(stderr, "curl initialization error\n");
> return -1;
> }
> res = curl_easy_perform(curl);
> if(res){
> fprintf(stderr, "download failure:\n%s\n", curlerrbuf);
> }
> curl_easy_cleanup(curl);
> return res;
> }
>
>
> int
> main(int argc, char **argv)
> {
> char *url;
> char *ofn;
> FILE *ofile;
> if(argc!=3){
> fprintf(stderr, "Usage:\n\n\t%s url outfile\n\n", argv[0]);
> exit(1);
> }
> curl_global_init(CURL_GLOBAL_ALL);
> url = argv[1];
> ofn = argv[2];
> if(!(ofile = fopen(ofn, "w"))){
> fprintf(stderr, "Error: couldn't open '%s' for writing:\n", ofn);
> perror("");
> exit(1);
> }
> fprintf(stderr, "getting url: '%s' as file '%s'\n", url, ofn);
> download(url, ofile);
> fclose(ofile);
> curl_global_cleanup();
> return 0;
> }
>
> ===== Makefile =====
>
> CC=`curl-config --cc`
> CFLAGS=`curl-config --cflags`
> LDFLAGS=`curl-config --libs`
>
> TESTURL="http://www.nylxs.com"
>
> all: curlbilly
>
> test: nylxs-index.html
>
> nylxs-index.html: curlbilly
> ./curlbilly $(TESTURL) nylxs-index.html
Cool
--
__________________________
Brooklyn Linux Solutions
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that Brooklyn, like Atlantis, reaches mythological
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