Commit 3455c8c0 authored by rswindell's avatar rswindell
Browse files

New sockwrap.c - contains a single function currently: sendfilesocket()

for a cross-platform sendfile() implementation.
parent 2ff17941
/* sockwrap.c */
/* Berkley/WinSock socket API wrappers */
/* $Id$ */
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#include <errno.h> /* ENOMEM */
#include "sockwrap.h" /* sendsocket */
#include "filewrap.h" /* filelength */
int sendfilesocket(int sock, int file, long *offset, long count)
{
char* buf;
long len;
int rd;
int wr;
len=filelength(file);
if((buf=malloc(len))==NULL) {
errno=ENOMEM;
return(-1);
}
if(offset!=NULL)
if(lseek(file,*offset,SEEK_SET)<0)
return(-1);
if(count==0)
count=len;
rd=read(file,buf,count);
close(file);
if(rd!=count) {
free(buf);
return(-1);
}
wr=sendsocket(sock,buf,len);
free(buf);
if(offset!=NULL)
(*offset)+=wr;
return(wr);
}
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