libbb: add xfstat function
function old new delta xfstat - 25 +25 mkfs_ext2_main 2421 2423 +2 mkfs_reiser_main 1197 1194 -3 next 312 307 -5 ar_main 533 522 -11 mkfs_minix_main 2938 2924 -14 mkfs_vfat_main 1511 1495 -16 writeTarFile 272 255 -17 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 1/6 up/down: 27/-66) Total: -39 bytes Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
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@@ -63,9 +63,9 @@ int ubi_attach_detach_main(int argc UNUSED_PARAM, char **argv)
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ubi_ctrl = argv[optind];
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fd = xopen(ubi_ctrl, O_RDWR);
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//fstat(fd, &st);
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//xfstat(fd, &st, ubi_ctrl);
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//if (!S_ISCHR(st.st_mode))
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// bb_error_msg_and_die("'%s' is not a char device", ubi_ctrl);
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// bb_error_msg_and_die("%s: not a char device", ubi_ctrl);
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if (do_attach) {
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if (!(opts & OPTION_M))
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