62 lines
1.3 KiB
C
62 lines
1.3 KiB
C
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/*
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* simple demo for a command programm which do a
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* DOS <-> UNX command handling using PIPE filesystem.
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* can be used with unxcomm for UNX.
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*
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* Can also be used under Linux for ncpfs <-> mars_nwe.
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*
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*/
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#define ENV_UNXCOMM "UNXCOMM"
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#ifdef LINUX
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# define DEFAULT_COMM "/pipes/unxcomm"
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# else
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# define DEFAULT_COMM "p:/unxcomm"
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <stddef.h>
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#ifndef LINUX
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# include <io.h>
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#endif
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#include <fcntl.h>
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static int usage(char *progname)
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{
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fprintf(stderr, "Usage:\t%s prog [paras]\n", progname);
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return(1);
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}
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int main(int argc, char **argv)
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{
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char *unxcomm=getenv("UNXCOMM");
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if (NULL == unxcomm) unxcomm=DEFAULT_COMM;
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if (argc > 1) {
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int fdout = open(unxcomm, O_RDWR);
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int fdin = dup(fdout);
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if (fdout > -1 && fdin > -1) {
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char **pp=argv+1;
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unsigned char b=32;
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int size;
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int buf[512];
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while(--argc) {
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write(fdout, *pp, strlen(*pp));
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++pp;
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write(fdout, &b, 1);
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}
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b=0;
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write(fdout, &b, 1);
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close(fdout);
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while (0 < (size = read(fdin, buf, sizeof(buf)))) {
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write(1, buf, size);
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}
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close(fdin);
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return(0);
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} else
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fprintf(stderr, "Cannot open PIPECOMMAND '%s'\n", unxcomm);
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}
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return(usage(argv[0]));
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}
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