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whaffman 2025-02-26 16:20:55 +01:00
parent 5d01cf3086
commit 3292030e6e
1 changed files with 0 additions and 99 deletions
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99
pipetester.c
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@ -1,99 +0,0 @@
#include <string.h>
#include <stdio.h>
#include <unistd.h>
#include <sys/stat.h>
void error(char *msg)
{
write(2, msg, strlen(msg));
}
int main(void)
{
int fd_in = STDIN_FILENO;
int fd_out = STDOUT_FILENO;
struct stat statbuf_in;
struct stat statbuf_out;
char c;
if (fstat(fd_in, &statbuf_in) == -1)
{
perror("fstat");
return (1);
}
error("STDIN File type: ");
switch (statbuf_in.st_mode & S_IFMT)
{
case S_IFBLK:
error("block device\n");
break;
case S_IFCHR:
error("character device\n");
break;
case S_IFDIR:
error("directory\n");
break;
case S_IFIFO:
error("FIFO/pipe\n");
break;
case S_IFLNK:
error("symlink\n");
break;
case S_IFREG:
error("regular file\n");
break;
case S_IFSOCK:
error("socket\n");
break;
default:
error("unknown?\n");
break;
}
error("\n");
if (fstat(fd_out, &statbuf_out) == -1)
{
perror("fstat");
return (1);
}
error("STDOUT File type: ");
switch (statbuf_out.st_mode & S_IFMT)
{
case S_IFBLK:
error("block device\n");
break;
case S_IFCHR:
error("character device\n");
break;
case S_IFDIR:
error("directory\n");
break;
case S_IFIFO:
error("FIFO/pipe\n");
break;
case S_IFLNK:
error("symlink\n");
break;
case S_IFREG:
error("regular file\n");
break;
case S_IFSOCK:
error("socket\n");
break;
default:
error("unknown?\n");
break;
}
while (read(fd_in, &c, 1) > 0)
{
write(fd_out, &c, 1);
}
return (0);
}