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Commit 992acf47 authored by h2-addad's avatar h2-addad
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/* mcat.c
Prints files specified on command line to the console, using
mmap. */
#include <stdio.h>
#include <syscall.h>
int
main (int argc, char *argv[])
{
int i;
for (i = 1; i < argc; i++)
{
int fd;
mapid_t map;
void *data = (void *) 0x10000000;
int size;
/* Open input file. */
fd = open (argv[i]);
if (fd < 0)
{
printf ("%s: open failed\n", argv[i]);
return EXIT_FAILURE;
}
size = filesize (fd);
/* Map files. */
map = mmap (fd, data);
if (map == MAP_FAILED)
{
printf ("%s: mmap failed\n", argv[i]);
return EXIT_FAILURE;
}
/* Write file to console. */
write (STDOUT_FILENO, data, size);
/* Unmap files (optional). */
munmap (map);
}
return EXIT_SUCCESS;
}
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