87 lines
1.4 KiB
C
87 lines
1.4 KiB
C
#include <common.h>
|
|
#include <fs.h>
|
|
#include <fcntl.h>
|
|
#include <errno.h>
|
|
#include <malloc.h>
|
|
#include <libbb.h>
|
|
#include <progress.h>
|
|
|
|
/**
|
|
* @param[in] src FIXME
|
|
* @param[out] dst FIXME
|
|
* @param[in] verbose FIXME
|
|
*/
|
|
int copy_file(const char *src, const char *dst, int verbose)
|
|
{
|
|
char *rw_buf = NULL;
|
|
int srcfd = 0, dstfd = 0;
|
|
int r, w;
|
|
int ret = 1;
|
|
void *buf;
|
|
int total = 0;
|
|
struct stat statbuf;
|
|
|
|
rw_buf = xmalloc(RW_BUF_SIZE);
|
|
|
|
srcfd = open(src, O_RDONLY);
|
|
if (srcfd < 0) {
|
|
printf("could not open %s: %s\n", src, errno_str());
|
|
goto out;
|
|
}
|
|
|
|
dstfd = open(dst, O_WRONLY | O_CREAT | O_TRUNC);
|
|
if (dstfd < 0) {
|
|
printf("could not open %s: %s\n", dst, errno_str());
|
|
goto out;
|
|
}
|
|
|
|
if (verbose) {
|
|
if (stat(src, &statbuf) < 0)
|
|
statbuf.st_size = 0;
|
|
|
|
init_progression_bar(statbuf.st_size);
|
|
}
|
|
|
|
while(1) {
|
|
r = read(srcfd, rw_buf, RW_BUF_SIZE);
|
|
if (r < 0) {
|
|
perror("read");
|
|
goto out;
|
|
}
|
|
if (!r)
|
|
break;
|
|
|
|
buf = rw_buf;
|
|
while (r) {
|
|
w = write(dstfd, buf, r);
|
|
if (w < 0) {
|
|
perror("write");
|
|
goto out;
|
|
}
|
|
buf += w;
|
|
r -= w;
|
|
total += w;
|
|
}
|
|
|
|
if (verbose) {
|
|
if (statbuf.st_size && statbuf.st_size != FILESIZE_MAX)
|
|
show_progress(total);
|
|
else
|
|
show_progress(total / 16384);
|
|
}
|
|
}
|
|
|
|
ret = 0;
|
|
out:
|
|
if (verbose)
|
|
putchar('\n');
|
|
|
|
free(rw_buf);
|
|
if (srcfd > 0)
|
|
close(srcfd);
|
|
if (dstfd > 0)
|
|
close(dstfd);
|
|
|
|
return ret;
|
|
}
|