diff options
Diffstat (limited to 'usr')
| -rw-r--r-- | usr/gen_init_cpio.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/usr/gen_init_cpio.c b/usr/gen_init_cpio.c index ea4b9b5fed01..aa73afd3756c 100644 --- a/usr/gen_init_cpio.c +++ b/usr/gen_init_cpio.c @@ -354,6 +354,7 @@ static int cpio_mkfile(const char *name, const char *location, int namesize; unsigned int i; uint32_t csum = 0; + ssize_t this_read; mode |= S_IFREG; @@ -429,9 +430,19 @@ static int cpio_mkfile(const char *name, const char *location, push_pad(padlen(offset, 4)) < 0) goto error; + if (size) { + this_read = copy_file_range(file, NULL, outfd, NULL, size, 0); + if (this_read > 0) { + if (this_read > size) + goto error; + offset += this_read; + size -= this_read; + } + /* short or failed copy falls back to read/write... */ + } + while (size) { unsigned char filebuf[65536]; - ssize_t this_read; size_t this_size = MIN(size, sizeof(filebuf)); this_read = read(file, filebuf, this_size); |