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Merge copyfd and copy_file_chunk

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This commit is contained in:
Glenn L McGrath 2002-12-13 08:20:44 +00:00
parent a67dffe186
commit 25fe94fd32
5 changed files with 57 additions and 68 deletions
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2
include/libbb.h
View File

@ -131,7 +131,7 @@ extern long* find_pid_by_name( const char* pidName);
extern char *find_real_root_device_name(const char* name);
extern char *get_line_from_file(FILE *file);
extern void print_file(FILE *file);
extern int copyfd(int fd1, int fd2);
extern int copyfd(int fd1, int fd2, const off_t chunksize);
extern int print_file_by_name(char *filename);
extern char process_escape_sequence(const char **ptr);
extern char *get_last_path_component(char *path);

2
libbb/copy_file.c
View File

@ -183,7 +183,7 @@ int copy_file(const char *source, const char *dest, int flags)
}
}
if (copy_file_chunk(sfp, dfp, -1) < 0)
if (copyfd(fileno(sfp), fileno(dfp), 0) == -1)
status = -1;
if (fclose(dfp) < 0) {

63
libbb/copyfd.c
View File

@ -24,28 +24,55 @@
#include <errno.h>
#include "libbb.h"
extern int copyfd(int fd1, int fd2)
/* If chunksize is 0 copy untill EOF */
extern int copyfd(int fd1, int fd2, const off_t chunksize)
{
char buf[8192];
ssize_t nread, nwrote;
size_t nread;
size_t nwritten;
size_t size;
size_t remaining;
char buffer[BUFSIZ];
while (1) {
nread = safe_read(fd1, buf, sizeof(buf));
if (nread == 0)
break;
if (nread == -1) {
perror_msg("read");
return -1;
}
nwrote = full_write(fd2, buf, nread);
if (nwrote == -1) {
perror_msg("write");
return -1;
}
if (chunksize) {
remaining = chunksize;
} else {
remaining = -1;
}
do {
if ((chunksize > BUFSIZ) || (chunksize == 0)) {
size = BUFSIZ;
} else {
size = chunksize;
}
nread = safe_read(fd1, buffer, size);
if (nread == -1) {
perror_msg("read failure");
return(-1);
}
else if (nread == 0) {
if (chunksize) {
error_msg("Unable to read all data");
return(-1);
} else {
return(0);
}
}
nwritten = full_write(fd2, buffer, nread);
if (nwritten != nread) {
error_msg("Unable to write all data");
return(-1);
}
if (chunksize) {
remaining -= nwritten;
}
} while (remaining != 0);
return 0;
}

5
libbb/print_file.c
View File

@ -20,6 +20,7 @@
*/
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include "libbb.h"
@ -27,7 +28,9 @@
extern void print_file(FILE *file)
{
fflush(stdout);
copyfd(fileno(file), fileno(stdout));
if (copyfd(fileno(file), fileno(stdout), 0) == -1) {
exit(EXIT_FAILURE);
}
fclose(file);
}

53
networking/ftpgetput.c
View File

@ -56,51 +56,6 @@ typedef struct ftp_host_info_s {
static char verbose_flag;
static char do_continue = 0;
static int copyfd_chunk(int fd1, int fd2, const off_t chunksize)
{
size_t nread;
size_t nwritten;
size_t size;
size_t remaining;
char buffer[BUFSIZ];
if (chunksize) {
remaining = chunksize;
} else {
remaining = -1;
}
do {
if ((chunksize > BUFSIZ) || (chunksize == 0)) {
size = BUFSIZ;
} else {
size = chunksize;
}
nread = safe_read(fd1, buffer, size);
if (nread <= 0) {
if (chunksize) {
perror_msg_and_die("read error");
} else {
return(0);
}
}
nwritten = full_write(fd2, buffer, nread);
if (nwritten != nread) {
error_msg_and_die("Unable to write all data");
}
if (chunksize) {
remaining -= nwritten;
}
} while (remaining != 0);
return 0;
}
static ftp_host_info_t *ftp_init(void)
{
ftp_host_info_t *host;
@ -252,7 +207,9 @@ static int ftp_recieve(FILE *control_stream, const char *host, const char *local
}
/* Copy the file */
copyfd_chunk(fd_data, fd_local, filesize);
if (copyfd(fd_data, fd_local, filesize) == -1) {
exit(EXIT_FAILURE);
}
/* close it all down */
close(fd_data);
@ -311,7 +268,9 @@ static int ftp_send(FILE *control_stream, const char *host, const char *server_p
}
/* transfer the file */
copyfd_chunk(fd_local, fd_data, 0);
if (copyfd(fd_local, fd_data, 0) == -1) {
exit(EXIT_FAILURE);
}
/* close it all down */
close(fd_data);