X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=copy.c;h=c225d1b0ff0a67e637f7200ab5c2a917b550af4f;hb=5410a02ab9e6a1987147724f8ea65e6a077b3832;hp=e1cd5d06503d93f6b400a3911e6b61ff327190ca;hpb=069b20a198f171512a1d2d2163b40f70c94f5257;p=git.git diff --git a/copy.c b/copy.c index e1cd5d065..c225d1b0f 100644 --- a/copy.c +++ b/copy.c @@ -3,38 +3,34 @@ int copy_fd(int ifd, int ofd) { while (1) { - int len; char buffer[8192]; char *buf = buffer; - len = read(ifd, buffer, sizeof(buffer)); + ssize_t 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); return 0; } -