src/usr.bin/file/file.c - diff

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version 1.33, 2015/04/26 19:53:50

version 1.34, 2015/04/26 22:51:32

Line 287

static int

load_file(struct input_file *inf)

{

int available;

inf->size = inf->sb.st_size;

if (inf->size > FILE_READ_SIZE)

inf->size = FILE_READ_SIZE;

if (S_ISFIFO(inf->sb.st_mode)) {

if (inf->size == 0) {

if (ioctl(inf->fd, FIONREAD, &available) == -1) {

if (!S_ISREG(inf->sb.st_mode))

xasprintf(&inf->result, "cannot read '%s' (%s)",

inf->size = FILE_READ_SIZE;

inf->path, strerror(errno));

else

return (1);

return (0);

}

inf->size = available;

} else if (!S_ISREG(inf->sb.st_mode) && inf->size == 0)

inf->size = FILE_READ_SIZE;

if (inf->size == 0)

return (0);

inf->base = mmap(NULL, inf->size, PROT_READ, MAP_PRIVATE, inf->fd, 0);

if (inf->base == MAP_FAILED) {

Line 329

Line 322

switch (inf->sb.st_mode & S_IFMT) {

case S_IFBLK:

case S_IFCHR:

case S_IFIFO:

case S_IFREG:

return (0);

}