diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/s390/s390-32/utmpx32.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/s390/s390-32/utmpx32.c | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/utmpx32.c b/sysdeps/unix/sysv/linux/s390/s390-32/utmpx32.c new file mode 100644 index 0000000000..69a1384db6 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/s390-32/utmpx32.c @@ -0,0 +1,140 @@ +/* Copyright (C) 2008 Free Software Foundation, Inc. + Contributed by Andreas Krebbel <Andreas.Krebbel@de.ibm.com>. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <sys/types.h> +#include <utmp.h> +#include <errno.h> +#include <libc-symbols.h> + +#include "utmp32.h" +#include "utmp-convert.h" + +#include "utmpx32.h" +#include "utmpx-convert.h" + +/* Allocate a static buffer to be returned to the caller. As well as + with the existing version of these functions the caller has to be + aware that the contents of this buffer will change with subsequent + calls. */ +#define ALLOCATE_UTMPX32_OUT(OUT) \ + static struct utmpx32 *OUT = NULL; \ + \ + if (OUT == NULL) \ + { \ + OUT = malloc (sizeof (struct utmpx32)); \ + if (OUT == NULL) \ + return NULL; \ + } + +/* Perform a lookup for a utmpx entry matching FIELD using function + FUNC. FIELD is converted to a 64 bit utmpx and the result is + converted back to 32 bit utmpx. */ +#define ACCESS_UTMPX_ENTRY(FUNC, FIELD) \ + struct utmpx in64; \ + struct utmpx *out64; \ + ALLOCATE_UTMPX32_OUT (out32); \ + \ + utmpx_convert32to64 (FIELD, &in64); \ + out64 = FUNC (&in64); \ + \ + if (out64 == NULL) \ + return NULL; \ + \ + utmpx_convert64to32 (out64, out32); \ + \ + return out32; + + +/* Get the next entry from the user accounting database. */ +struct utmpx32 * +getutxent32 (void) +{ + struct utmpx *out64; + ALLOCATE_UTMPX32_OUT (out32); + + out64 = getutxent (); + if (!out64) + return NULL; + + utmpx_convert64to32 (out64, out32); + return out32; + +} +symbol_version (getutxent32, getutxent, GLIBC_2.1); + +/* Get the user accounting database entry corresponding to ID. */ +struct utmpx32 * +getutxid32 (const struct utmpx32 *id) +{ + ACCESS_UTMPX_ENTRY (getutxid, id); +} +symbol_version (getutxid32, getutxid, GLIBC_2.1); + +/* Get the user accounting database entry corresponding to LINE. */ +struct utmpx32 * +getutxline32 (const struct utmpx32 *line) +{ + ACCESS_UTMPX_ENTRY (getutxline, line); +} +symbol_version (getutxline32, getutxline, GLIBC_2.1); + +/* Write the entry UTMPX into the user accounting database. */ +struct utmpx32 * +pututxline32 (const struct utmpx32 *utmpx) +{ + ACCESS_UTMPX_ENTRY (pututxline, utmpx); +} +symbol_version (pututxline32, pututxline, GLIBC_2.1); + +/* Append entry UTMP to the wtmpx-like file WTMPX_FILE. */ +void +updwtmpx32 (const char *wtmpx_file, const struct utmpx32 *utmpx) +{ + struct utmpx in64; + + utmpx_convert32to64 (utmpx, &in64); + updwtmpx (wtmpx_file, &in64); +} +symbol_version (updwtmpx32, updwtmpx, GLIBC_2.1); + +/* Copy the information in UTMPX to UTMP. */ +void +getutmp32 (const struct utmpx32 *utmpx, struct utmp32 *utmp) +{ + struct utmpx in64; + struct utmp out64; + + utmpx_convert32to64 (utmpx, &in64); + getutmp (&in64, &out64); + utmp_convert64to32 (&out64, utmp); +} +symbol_version (getutmp32, getutmp, GLIBC_2.1.1); + +/* Copy the information in UTMP to UTMPX. */ +void +getutmpx32 (const struct utmp32 *utmp, struct utmpx32 *utmpx) +{ + struct utmp in64; + struct utmpx out64; + + utmp_convert32to64 (utmp, &in64); + getutmpx (&in64, &out64); + utmpx_convert64to32 (&out64, utmpx); +} +symbol_version (getutmpx32, getutmpx, GLIBC_2.1.1); |