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Diffstat (limited to 'gdb/environ.h')
-rw-r--r-- | gdb/environ.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/gdb/environ.h b/gdb/environ.h new file mode 100644 index 00000000000..87a538a1b47 --- /dev/null +++ b/gdb/environ.h @@ -0,0 +1,58 @@ +/* Header for environment manipulation library. + Copyright 1989, 1992 Free Software Foundation. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program 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 General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +#if !defined (ENVIRON_H) +#define ENVIRON_H 1 + +/* We manipulate environments represented as these structures. */ + +struct environ +{ + /* Number of usable slots allocated in VECTOR. + VECTOR always has one slot not counted here, + to hold the terminating zero. */ + int allocated; + /* A vector of slots, ALLOCATED + 1 of them. + The first few slots contain strings "VAR=VALUE" + and the next one contains zero. + Then come some unused slots. */ + char **vector; +}; + +extern struct environ * +make_environ PARAMS ((void)); + +extern void +free_environ PARAMS ((struct environ *)); + +extern void +init_environ PARAMS ((struct environ *)); + +extern char * +get_in_environ PARAMS ((const struct environ *, const char *)); + +extern void +set_in_environ PARAMS ((struct environ *, const char *, + const char *)); + +extern void +unset_in_environ PARAMS ((struct environ *, char *)); + +extern char ** +environ_vector PARAMS ((struct environ *)); + +#endif /* defined (ENVIRON_H) */ |