Fix ``dd if=/dev/zero of=/dev/daN'' on the Alpha by allowing the label
to be overwritten. Submitted by: green
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parent
6e067727a7
commit
015a53cfff
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=60859
@ -52,6 +52,7 @@ static const char rcsid[] =
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#include <sys/param.h>
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#include <sys/stat.h>
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#include <sys/conf.h>
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#include <sys/disklabel.h>
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#include <sys/filio.h>
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#include <ctype.h>
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@ -218,8 +219,14 @@ getfdtype(io)
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} else {
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if (type & D_TAPE)
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io->flags |= ISTAPE;
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else if (type & (D_DISK | D_MEM))
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else if (type & (D_DISK | D_MEM)) {
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if (type & D_DISK) {
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const int one = 1;
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(void)ioctl(io->fd, DIOCWLABEL, &one);
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}
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io->flags |= ISSEEK;
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}
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if (S_ISCHR(sb.st_mode) && (type & D_TAPE) == 0)
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io->flags |= ISCHR;
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}
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