diff options
| -rw-r--r-- | libc/stdio/Makefile | 2 | ||||
| -rw-r--r-- | libc/stdio/tempnam.c | 48 |
2 files changed, 49 insertions, 1 deletions
diff --git a/libc/stdio/Makefile b/libc/stdio/Makefile index c9130c0d7..42983512e 100644 --- a/libc/stdio/Makefile +++ b/libc/stdio/Makefile @@ -40,7 +40,7 @@ MOBJ2=printf.o sprintf.o fprintf.o vprintf.o vsprintf.o vfprintf.o snprintf.o \ MSRC3=scanf.c MOBJ3=scanf.o sscanf.o fscanf.o vscanf.o vsscanf.o vfscanf.o -CSRC=popen.c perror.c remove.c getdelim.c getline.c tmpfile.c tmpnam.c tmpnam_r.c +CSRC=popen.c perror.c remove.c getdelim.c getline.c tmpfile.c tmpnam.c tmpnam_r.c tempnam.c COBJS=$(patsubst %.c,%.o, $(CSRC)) OBJS=$(MOBJ) $(MOBJ2) $(MOBJ3) $(COBJS) diff --git a/libc/stdio/tempnam.c b/libc/stdio/tempnam.c new file mode 100644 index 000000000..f1ea626b6 --- /dev/null +++ b/libc/stdio/tempnam.c @@ -0,0 +1,48 @@ +/* Copyright (C) 1991,1993,1996-1999,2000 Free Software Foundation, Inc. + 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <stdio.h> +#include <string.h> + +extern int __path_search (char *tmpl, size_t tmpl_len, const char *dir, const char *pfx, + int try_tmpdir); +extern int __gen_tempname (char *tmpl, int openit); + + +/* Generate a unique temporary filename using up to five characters of PFX + if it is not NULL. The directory to put this file in is searched for + as follows: First the environment variable "TMPDIR" is checked. + If it contains the name of a writable directory, that directory is used. + If not and if DIR is not NULL, that value is checked. If that fails, + P_tmpdir is tried and finally "/tmp". The storage for the filename + is allocated by `malloc'. */ +char * +tempnam (const char *dir, const char *pfx) +{ + char buf[FILENAME_MAX]; + + if (__path_search (buf, FILENAME_MAX, dir, pfx, 1)) + return NULL; + + if (__gen_tempname (buf, 0)) + return NULL; + + return strdup (buf); +} + +link_warning (tempnam, "`tempnam' is dangerous, use `mkstemp'") |