fifo_lector.c

/*******************************************
* Author     : Diego Cordoba / @d1cor      *
* Purpose    : juncotic.com @juncotic      *
*******************************************/

#include<stdio.h>
#include<stdlib.h>
#include<sys/types.h>
#include<sys/stat.h>
#include<unistd.h>
#include<string.h>
#include<fcntl.h>
#include<errno.h>

#define BUF_SIZE 256

int main(int argc, char** argv) {

    char *error;
    char cadena[BUF_SIZE];
    int count,i;
    int tuberia;    //file descriptor del fifo

    if(mkfifo(*(argv+1),0777)<0){
        error="mkfifo";
        goto err;
    }

    if((tuberia=open(*(argv+1),O_RDONLY))<0){
        error="open";
        goto err;
    }

    printf("LECTOR\tLeyendo...\n");

    while(count=read(tuberia,cadena,BUF_SIZE)){
        *(cadena+count)='\0';
        printf("LECTOR\t%s\n",cadena);
    }

    close(tuberia);


    unlink(*(argv+1));

    return 0;

err:
    fprintf(stderr,"%s: %d-%s\n",error,errno,strerror(errno));
    exit(1);
}