freebsd-nq/lib/libftp/Ftpfopen.c
1995-05-30 05:51:47 +00:00

99 lines
1.7 KiB
C

/*
Library for ftpd clients.(libftp)
Copyright by Oleg Orel
All rights reserved.
This library is desined for free, non-commercial software creation.
It is changeable and can be improved. The author would greatly appreciate
any advises, new components and patches of the existing programs.
Commercial usage is also possible with participation of it's author.
*/
#include <FtpLibrary.h>
#define NFSD 256
static int fds_types[NFDS];
static int init=0;
enum {T_EMPTY=0,T_FILE,T_STREAM,T_PIPE,T_FULL};
FILE *Ftpfopen(char *filename,char *mode)
{
FILE *fp;
if (!init)
{
bzero(fds_types,NFDS*sizeof(fds_types[0]));
init=1;
}
if (!strcmp(filename,"*STDIN*") || (!strcmp(filename,"-") && (mode[0]=='r')) )
{
fds_types[fileno(stdin)]=T_STREAM;
return stdin;
}
if (!strcmp(filename,"*STDOUT*") || (!strcmp(filename,"-") && (mode[0]=='w')))
{
fds_types[fileno(stdout)]=T_STREAM;
return stdout;
}
if (strcmp(filename,"*STDERR*")==0)
{
fds_types[fileno(stderr)]=T_STREAM;
return stderr;
}
if (*filename=='|')
{
fp=popen(filename+1,mode);
if (fp==NULL) return fp;
fds_types[fileno(fp)]=T_PIPE;
return fp;
}
fp=FtpFullOpen(filename,mode);
if (fp==NULL) return fp;
fds_types[fileno(fp)]=T_FILE;
return fp;
}
int Ftpfclose(FILE *fp)
{
if (!init)
{
bzero(fds_types,NFDS*sizeof(fds_types[0]));
init=1;
}
switch (fds_types[fileno(fp)])
{
case T_FILE:
return FtpFullClose(fp);
case T_STREAM:
return fflush(fp);
case T_PIPE:
return pclose(fp);
default:
return -1;
}
}