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#include <common.h>
#include <fs.h>
#include <fcntl.h>
#include <errno.h>
#include <malloc.h>
#define RW_BUF_SIZE (ulong)4096
/**
* @param[in] src FIXME
* @param[out] dst FIXME
*/
int copy_file(const char *src, const char *dst)
{
char *rw_buf = NULL;
int srcfd = 0, dstfd = 0;
int r, w;
int ret = 1;
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);
if (dstfd < 0) {
printf("could not open %s: %s\n", dst, errno_str());
goto out;
}
while(1) {
r = read(srcfd, rw_buf, RW_BUF_SIZE);
if (r < 0) {
perror("read");
goto out;
}
if (!r)
break;
w = write(dstfd, rw_buf, r);
if (w < 0) {
perror("write");
goto out;
}
}
ret = 0;
out:
free(rw_buf);
if (srcfd > 0)
close(srcfd);
if (dstfd > 0)
close(dstfd);
return ret;
}
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