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author | Jeff Law <law@gcc.gnu.org> | 1999-05-25 21:13:18 -0600 |
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committer | Jeff Law <law@gcc.gnu.org> | 1999-05-25 21:13:18 -0600 |
commit | 9eb4080f6f5275430b5378468ddc820a98e5cfe3 (patch) | |
tree | 8916755fdb4dbce191649889049dd1f5b53fbedc /libiberty/putenv.c | |
parent | d05ba2205fc7af481d806eab41773f970ad305cf (diff) | |
download | gcc-9eb4080f6f5275430b5378468ddc820a98e5cfe3.zip gcc-9eb4080f6f5275430b5378468ddc820a98e5cfe3.tar.gz gcc-9eb4080f6f5275430b5378468ddc820a98e5cfe3.tar.bz2 |
Makefile.in (CFILES): Add putenv.c and setenv.c.
* Makefile.in (CFILES): Add putenv.c and setenv.c.
* configure.in (funcs): Add putenv and setenv.
(AC_CHECK_FUNCS): Check for putenv and setenv.
* configure: Rebuilt.
* putenv.c setenv.c: New files.
[[Split portion of a mixed commit.]]
From-SVN: r27162.2
Diffstat (limited to 'libiberty/putenv.c')
-rw-r--r-- | libiberty/putenv.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/libiberty/putenv.c b/libiberty/putenv.c new file mode 100644 index 0000000..1860676 --- /dev/null +++ b/libiberty/putenv.c @@ -0,0 +1,66 @@ +/* Copyright (C) 1991, 1994, 1995, 1996 Free Software Foundation, Inc. + This file based on putenv.c in 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. */ + +#if defined (_AIX) && !defined (__GNUC__) + #pragma alloca +#endif + +#if HAVE_CONFIG_H +# include <config.h> +#endif + +#if HAVE_STDLIB_H +# include <stdlib.h> +#endif +#if HAVE_STRING_H +# include <string.h> +#endif + +#ifdef HAVE_ALLOCA_H +# include <alloca.h> +#else +# ifndef alloca +# ifdef __GNUC__ +# define alloca __builtin_alloca +# else +extern char *alloca (); +# endif /* __GNUC__ */ +# endif /* alloca */ +#endif /* HAVE_ALLOCA_H */ + +/* Below this point, it's verbatim code from the glibc-2.0 implementation */ + + +/* Put STRING, which is of the form "NAME=VALUE", in the environment. */ +int +putenv (string) + const char *string; +{ + const char *const name_end = strchr (string, '='); + + if (name_end) + { + char *name = alloca (name_end - string + 1); + memcpy (name, string, name_end - string); + name[name_end - string] = '\0'; + return setenv (name, name_end + 1, 1); + } + + unsetenv (string); + return 0; +} |