version 1.4, 2011/05/26 21:13:07 |
version 1.6, 2013/06/02 03:52:21 |
|
|
#include "config.h" |
#include "config.h" |
#endif |
#endif |
|
|
|
#ifdef HAVE_MMAP |
#include <sys/stat.h> |
#include <sys/stat.h> |
#include <sys/mman.h> |
#include <sys/mman.h> |
|
#endif |
|
|
#include <assert.h> |
#include <assert.h> |
#include <fcntl.h> |
#include <fcntl.h> |
|
|
|
|
/* |
/* |
* The read_whole_file() and resize_buf() functions are copied from |
* The read_whole_file() and resize_buf() functions are copied from |
* read.c, including all dependency code (MAP_FILE, etc.). |
* read.c, including all dependency code. |
*/ |
*/ |
|
|
#ifndef MAP_FILE |
|
#define MAP_FILE 0 |
|
#endif |
|
|
|
enum enc { |
enum enc { |
ENC_UTF_8, /* UTF-8 */ |
ENC_UTF_8, /* UTF-8 */ |
ENC_US_ASCII, /* US-ASCII */ |
ENC_US_ASCII, /* US-ASCII */ |
|
|
read_whole_file(const char *f, int fd, |
read_whole_file(const char *f, int fd, |
struct buf *fb, int *with_mmap) |
struct buf *fb, int *with_mmap) |
{ |
{ |
struct stat st; |
|
size_t off; |
size_t off; |
ssize_t ssz; |
ssize_t ssz; |
|
|
|
#ifdef HAVE_MMAP |
|
struct stat st; |
if (-1 == fstat(fd, &st)) { |
if (-1 == fstat(fd, &st)) { |
perror(f); |
perror(f); |
return(0); |
return(0); |
Line 268 read_whole_file(const char *f, int fd, |
|
Line 267 read_whole_file(const char *f, int fd, |
|
if (S_ISREG(st.st_mode)) { |
if (S_ISREG(st.st_mode)) { |
*with_mmap = 1; |
*with_mmap = 1; |
fb->sz = (size_t)st.st_size; |
fb->sz = (size_t)st.st_size; |
fb->buf = mmap(NULL, fb->sz, PROT_READ, |
fb->buf = mmap(NULL, fb->sz, PROT_READ, MAP_SHARED, fd, 0); |
MAP_FILE|MAP_SHARED, fd, 0); |
|
if (fb->buf != MAP_FAILED) |
if (fb->buf != MAP_FAILED) |
return(1); |
return(1); |
} |
} |
|
#endif |
|
|
/* |
/* |
* If this isn't a regular file (like, say, stdin), then we must |
* If this isn't a regular file (like, say, stdin), then we must |
Line 510 main(int argc, char *argv[]) |
|
Line 509 main(int argc, char *argv[]) |
|
|
|
rc = EXIT_SUCCESS; |
rc = EXIT_SUCCESS; |
out: |
out: |
|
#ifdef HAVE_MMAP |
if (map) |
if (map) |
munmap(b.buf, b.sz); |
munmap(b.buf, b.sz); |
else |
else |
|
#endif |
free(b.buf); |
free(b.buf); |
|
|
if (fd > STDIN_FILENO) |
if (fd > STDIN_FILENO) |