23 lines
711 B
Plaintext
23 lines
711 B
Plaintext
--- src/cmd/ksh93/bltins/read.c
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+++ src/cmd/ksh93/bltins/read.c 2008-12-17 14:01:01.000000000 +0000
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@@ -280,6 +280,19 @@ int sh_readline(register Shell_t *shp,ch
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delim = ((unsigned)flags)>>D_FLAG;
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if((shp->fdstatus[fd]&IOTTY) && !keytrap)
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tty_raw(fd,1);
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+#if defined(__linux__)
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+ if ((flags&N_FLAG) && (shp->fdstatus[fd]&(IOTTY|IONOSEEK))==0)
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+ {
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+ struct stat st;
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+ if ((fstat(fd, &st) == 0) && S_ISFIFO(st.st_mode))
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+ {
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+ int fdflg;
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+ if (((fdflg = fcntl(fd, F_GETFL)) != -1) && !(fdflg & O_NONBLOCK))
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+ fcntl(fd, F_SETFL, fdflg|O_NONBLOCK);
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+ shp->fdstatus[fd] |= IONOSEEK;
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+ }
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+ }
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+#endif
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}
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binary = nv_isattr(np,NV_BINARY);
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if(!binary && !(flags&(N_FLAG|NN_FLAG)))
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