X-Git-Url: https://git.octo.it/?p=git.git;a=blobdiff_plain;f=copy.c;h=08a3d388a4c312fca18558b2b8e5dcf027c7afaf;hp=e1cd5d06503d93f6b400a3911e6b61ff327190ca;hb=HEAD;hpb=e6c64fc1e9b3b9a5ea7101f8a2a499c9e2112da5 diff --git a/copy.c b/copy.c index e1cd5d06..08a3d388 100644 --- a/copy.c +++ b/copy.c @@ -6,32 +6,30 @@ int copy_fd(int ifd, int ofd) int len; char buffer[8192]; char *buf = buffer; - len = read(ifd, buffer, sizeof(buffer)); + len = xread(ifd, buffer, sizeof(buffer)); if (!len) break; if (len < 0) { int read_error; - if (errno == EAGAIN) - continue; read_error = errno; close(ifd); return error("copy-fd: read returned %s", strerror(read_error)); } - while (1) { - int written = write(ofd, buf, len); + while (len) { + int written = xwrite(ofd, buf, len); if (written > 0) { buf += written; len -= written; - if (!len) - break; } - if (!written) + else if (!written) { + close(ifd); return error("copy-fd: write returned 0"); - if (errno == EAGAIN || errno == EINTR) - continue; - return error("copy-fd: write returned %s", - strerror(errno)); + } else { + close(ifd); + return error("copy-fd: write returned %s", + strerror(errno)); + } } } close(ifd);