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- head 1.5;
- branch ;
- access ;
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- locks ; strict;
- comment @ * @;
-
-
- 1.5
- date 92.06.16.11.20.59; author jhh; state Exp;
- branches ;
- next 1.4;
-
- 1.4
- date 89.10.16.14.34.26; author douglis; state Exp;
- branches ;
- next 1.3;
-
- 1.3
- date 89.09.12.11.49.48; author jhh; state Exp;
- branches ;
- next 1.2;
-
- 1.2
- date 88.06.30.17.28.47; author ouster; state Exp;
- branches ;
- next 1.1;
-
- 1.1
- date 88.06.19.14.31.24; author ouster; state Exp;
- branches ;
- next ;
-
-
- desc
- @@
-
-
- 1.5
- log
- @now uses system call to get host name
- @
- text
- @/*
- * gethostname.c --
- *
- * Procedure to simulate Unix gethostname system call.
- *
- * Copyright 1986 Regents of the University of California
- * All rights reserved.
- */
-
- #ifndef lint
- static char rcsid[] = "$Header: /sprite/src/lib/c/unixSyscall/RCS/gethostname.c,v 1.4 89/10/16 14:34:26 douglis Exp Locker: jhh $ SPRITE (Berkeley)";
- #endif not lint
-
- #include <host.h>
- #include <string.h>
- #include <sys.h>
- #include <sys/param.h>
- #include <status.h>
- #include "compatInt.h"
-
-
- /*
- *----------------------------------------------------------------------
- *
- * gethostname --
- *
- * Puts the host name into the the given buffer.
- *
- * Results:
- * 0 is returned if the call was completed successfully.
- * Otherwise, -1 is returned and errno gives more information.
- *
- * Side effects:
- * The name buffer is modified.
- *
- *----------------------------------------------------------------------
- */
-
- int
- gethostname(name, nameLen)
- char *name; /* Place to store name. */
- int nameLen; /* Length of name buffer. */
- {
- char tmp[MAXHOSTNAMELEN];
- ReturnStatus status;
-
- Host_Entry *entry;
- int localID;
- /*
- * Try using the new system call. If that doesn't work then do it
- * the old way. Strip out the old way once all kernels have the
- * system call -- jhh
- */
-
- status = Sys_GetHostName(tmp);
- if (status == SYS_INVALID_SYSTEM_CALL) {
- status = Proc_GetHostIDs(&localID, (int *) NULL);
- if (status != SUCCESS) {
- errno = Compat_MapCode(status);
- return UNIX_ERROR;
- }
-
- entry = Host_ByID(localID);
- if (entry == (Host_Entry *) NULL) {
- Host_End();
- return UNIX_ERROR;
- }
- strncpy(name, entry->name, nameLen-1);
- name[nameLen-1] = 0;
- Host_End();
- } else if (status != SUCCESS) {
- errno = Compat_MapCode(status);
- return UNIX_ERROR;
- } else {
- strncpy(name, tmp, nameLen);
- }
- return 0;
- }
- @
-
-
- 1.4
- log
- @return virtual host (home node) rather than physical
- @
- text
- @d11 1
- a11 1
- static char rcsid[] = "$Header: /sprite/src/lib/c/unixSyscall/RCS/gethostname.c,v 1.3 89/09/12 11:49:48 jhh Exp Locker: douglis $ SPRITE (Berkeley)";
- d17 2
- d44 3
- a47 1
- ReturnStatus status;
- d49 5
- d55 7
- a61 5
- status = Proc_GetHostIDs(&localID, (int *) NULL);
- if (status != SUCCESS) {
- errno = Compat_MapCode(status);
- return UNIX_ERROR;
- }
- d63 7
- a69 2
- entry = Host_ByID(localID);
- if (entry == (Host_Entry *) NULL) {
- d71 2
- d74 2
- a76 3
- strncpy(name, entry->name, nameLen-1);
- name[nameLen-1] = 0;
- Host_End();
- @
-
-
- 1.3
- log
- @uses Proc_GetHostIDs
- @
- text
- @d11 1
- a11 1
- static char rcsid[] = "$Header: /sprite/src/lib/c/unixSyscall/RCS/gethostname.c,v 1.2 88/06/30 17:28:47 ouster Exp Locker: jhh $ SPRITE (Berkeley)";
- d46 1
- a46 1
- status = Proc_GetHostIDs((int *) NULL, &localID);
- @
-
-
- 1.2
- log
- @Update to use new Host_ package.
- @
- text
- @d11 1
- a11 1
- static char rcsid[] = "$Header: gethostname.c,v 1.1 88/06/19 14:31:24 ouster Exp $ SPRITE (Berkeley)";
- d46 1
- a46 1
- status = Sys_GetMachineInfo((int *) NULL, (int *) NULL, &localID);
- @
-
-
- 1.1
- log
- @Initial revision
- @
- text
- @d11 1
- a11 1
- static char rcsid[] = "$Header: gethostname.c,v 1.2 87/08/06 13:30:36 andrew Exp $ SPRITE (Berkeley)";
- d14 3
- a16 2
- #include <errno.h>
- #include "sprite.h"
- a17 1
- #include "sys.h"
- d28 2
- a29 2
- * UNIX_SUCCESS if the call returned SUCCESS
- * UNIX_ERROR, errno=EINVAL if the call failed.
- d42 19
- a60 5
- if (Sys_GetHostName(nameLen, name) != SUCCESS) {
- errno = EINVAL;
- return(UNIX_ERROR);
- }
- return(UNIX_SUCCESS);
- @
-