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Like options, move the environ struct into environ.c.

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This commit is contained in:
nicm
2015-10-28 09:51:55 +00:00
parent 44657bf932
commit bf9c933cae
19 changed files with 125 additions and 101 deletions
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30
environ.c
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@ -27,6 +27,9 @@
* Environment - manipulate a set of environment variables.
*/
RB_HEAD(environ, environ_entry);
int environ_cmp(struct environ_entry *, struct environ_entry *);
RB_PROTOTYPE(environ, environ_entry, entry, environ_cmp);
RB_GENERATE(environ, environ_entry, entry, environ_cmp);
int
@ -36,25 +39,42 @@ environ_cmp(struct environ_entry *envent1, struct environ_entry *envent2)
}
/* Initialise the environment. */
void
environ_init(struct environ *env)
struct environ *
environ_create(void)
{
struct environ *env;
env = xcalloc(1, sizeof *env);
RB_INIT(env);
return (env);
}
/* Free an environment. */
void
environ_free(struct environ *env)
{
struct environ_entry *envent;
struct environ_entry *envent, *envent1;
while (!RB_EMPTY(env)) {
envent = RB_ROOT(env);
RB_FOREACH_SAFE(envent, environ, env, envent1) {
RB_REMOVE(environ, env, envent);
free(envent->name);
free(envent->value);
free(envent);
}
free(env);
}
struct environ_entry *
environ_first(struct environ *env)
{
return (RB_MIN(environ, env));
}
struct environ_entry *
environ_next(struct environ_entry *envent)
{
return (RB_NEXT(environ, env, envent));
}
/* Copy one environment into another. */