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90 lines
1.9 KiB
C
90 lines
1.9 KiB
C
#ifdef __hpux__
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#include <sys/types.h>
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#include <sys/uio.h>
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#include <sys/socket.h>
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#include <stdio.h>
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int main() {
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/*
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sbsize_t sendfile(int s, int fd, off_t offset, bsize_t nbytes,
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const struct iovec *hdtrl, int flags);
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*/
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struct iovec x[2];
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int fd=open("havesendfile.c",0);
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x[0].iov_base="header";
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x[0].iov_len=6;
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x[1].iov_base="footer";
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x[1].iov_len=6;
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sendfile(1 /* dest socket */,fd /* src file */,
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0 /* offset */, 23 /* nbytes */,
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x, 0);
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perror("sendfile");
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return 0;
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}
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#elif defined (__sun__) && defined(__svr4__)
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/sendfile.h>
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#include <stdio.h>
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int main() {
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off_t o;
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o=0;
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sendfile(1 /* dest */, 0 /* src */,&o,23 /* nbytes */);
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perror("sendfile");
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return 0;
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}
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#elif defined (_AIX)
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#define _FILE_OFFSET_BITS 64
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <unistd.h>
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#include <stdio.h>
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int main() {
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int fd=open("havesendfile.c",0);
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struct sf_parms p;
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int destfd=1;
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p.header_data="header";
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p.header_length=6;
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p.file_descriptor=fd;
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p.file_offset=0;
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p.file_bytes=23;
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p.trailer_data="footer";
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p.trailer_length=6;
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if (send_file(&destfd,&p,0)>=0)
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printf("sent %lu bytes.\n",p.bytes_sent);
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return 0;
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}
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#elif defined(__linux__)
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#define _FILE_OFFSET_BITS 64
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#include <sys/types.h>
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#include <unistd.h>
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#include <fcntl.h>
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#if defined(__GLIBC__) || defined(__dietlibc__)
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#include <sys/sendfile.h>
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#else
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#include <linux/unistd.h>
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_syscall4(int,sendfile,int,out,int,in,long *,offset,unsigned long,count)
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#endif
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#include <stdio.h>
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int main() {
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int fd=open("havesendfile.c",0);
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off_t o=0;
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off_t r=sendfile(1,fd,&o,23);
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if (r!=-1)
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printf("sent %lld bytes.\n",(long long int)r);
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return 0;
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}
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#else
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#error unsupported architecture
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/* stupid fucking IRIX c99 does not signal #error via a non-zero exit
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* code! ARGH! So insert a parse error */
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#include rumpelstilzchen
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)
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#endif
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