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Last change
on this file since 577 was
444,
checked in by satin@…, 6 years ago
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add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
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File size:
302 bytes
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| Line | |
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| 1 | /* isatty.c */ |
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| 2 | |
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| 3 | /* Dumb implementation so programs will at least run. */ |
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| 4 | |
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| 5 | #include <sys/stat.h> |
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| 6 | #include <errno.h> |
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| 7 | |
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| 8 | int |
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| 9 | _isatty (int fd) |
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| 10 | { |
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| 11 | struct stat buf; |
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| 12 | |
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| 13 | if (fstat (fd, &buf) < 0) { |
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| 14 | errno = EBADF; |
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| 15 | return 0; |
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| 16 | } |
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| 17 | if (S_ISCHR (buf.st_mode)) |
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| 18 | return 1; |
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| 19 | errno = ENOTTY; |
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| 20 | return 0; |
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| 21 | } |
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