| Revision 14302,
1.4 KB
checked in by ghudson, 25 years ago
(diff) |
|
This commit was generated by cvs2svn to compensate for changes in r14301,
which included commits to RCS files with non-trunk default branches.
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| Rev | Line | |
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| [14301] | 1 | /*- |
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| 2 | * Copyright (c) 1996 |
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| 3 | * Keith Bostic. All rights reserved. |
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| 4 | * |
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| 5 | * See the LICENSE file for redistribution information. |
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| 6 | */ |
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| 7 | |
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| 8 | #include "config.h" |
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| 9 | |
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| 10 | #ifndef lint |
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| 11 | static const char sccsid[] = "@(#)ip_screen.c 8.2 (Berkeley) 10/13/96"; |
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| 12 | #endif /* not lint */ |
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| 13 | |
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| 14 | #include <sys/types.h> |
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| 15 | #include <sys/queue.h> |
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| 16 | |
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| 17 | #include <bitstring.h> |
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| 18 | #include <stdio.h> |
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| 19 | |
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| 20 | #include "../common/common.h" |
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| 21 | #include "ip.h" |
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| 22 | |
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| 23 | /* |
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| 24 | * ip_screen -- |
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| 25 | * Initialize/shutdown the IP screen. |
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| 26 | * |
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| 27 | * PUBLIC: int ip_screen __P((SCR *, u_int32_t)); |
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| 28 | */ |
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| 29 | int |
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| 30 | ip_screen(sp, flags) |
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| 31 | SCR *sp; |
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| 32 | u_int32_t flags; |
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| 33 | { |
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| 34 | GS *gp; |
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| 35 | IP_PRIVATE *ipp; |
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| 36 | |
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| 37 | gp = sp->gp; |
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| 38 | ipp = IPP(sp); |
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| 39 | |
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| 40 | /* See if the current information is incorrect. */ |
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| 41 | if (F_ISSET(gp, G_SRESTART)) { |
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| 42 | if (ip_quit(gp)) |
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| 43 | return (1); |
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| 44 | F_CLR(gp, G_SRESTART); |
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| 45 | } |
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| 46 | |
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| 47 | /* See if we're already in the right mode. */ |
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| 48 | if (LF_ISSET(SC_VI) && F_ISSET(ipp, IP_SCR_VI_INIT)) |
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| 49 | return (0); |
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| 50 | |
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| 51 | /* Ex isn't possible. */ |
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| 52 | if (LF_ISSET(SC_EX)) |
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| 53 | return (1); |
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| 54 | |
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| 55 | /* Initialize terminal based information. */ |
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| 56 | if (ip_term_init(sp)) |
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| 57 | return (1); |
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| 58 | |
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| 59 | /* Put up the first file name. */ |
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| 60 | if (ip_rename(sp)) |
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| 61 | return (1); |
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| 62 | |
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| 63 | F_SET(ipp, IP_SCR_VI_INIT); |
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| 64 | return (0); |
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| 65 | } |
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| 66 | |
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| 67 | /* |
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| 68 | * ip_quit -- |
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| 69 | * Shutdown the screens. |
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| 70 | * |
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| 71 | * PUBLIC: int ip_quit __P((GS *)); |
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| 72 | */ |
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| 73 | int |
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| 74 | ip_quit(gp) |
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| 75 | GS *gp; |
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| 76 | { |
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| 77 | IP_PRIVATE *ipp; |
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| 78 | int rval; |
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| 79 | |
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| 80 | /* Clean up the terminal mappings. */ |
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| 81 | rval = ip_term_end(gp); |
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| 82 | |
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| 83 | ipp = GIPP(gp); |
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| 84 | F_CLR(ipp, IP_SCR_VI_INIT); |
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| 85 | |
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| 86 | return (rval); |
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| 87 | } |
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