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Sync OpenBSD patchset 232:

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Use a temporary variable for strdup of const char *.
This commit is contained in:
Tiago Cunha 2009-08-09 17:52:54 +00:00
parent deac1fc188
commit 4c944910fa
1 changed files with 4 additions and 4 deletions
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8
environ.c
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@ -1,4 +1,4 @@
/* $Id: environ.c,v 1.1 2009-08-09 17:48:55 tcunha Exp $ */ /* $Id: environ.c,v 1.2 2009-08-09 17:52:54 tcunha Exp $ */
/* /*
* Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net> * Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
@ -134,14 +134,14 @@ void
environ_update(const char *vars, struct environ *srcenv, struct environ *dstenv) environ_update(const char *vars, struct environ *srcenv, struct environ *dstenv)
{ {
struct environ_entry *envent; struct environ_entry *envent;
char *var, *next; char *copyvars, *var, *next;
vars = next = xstrdup(vars); copyvars = next = xstrdup(vars);
while ((var = strsep(&next, " ")) != NULL) { while ((var = strsep(&next, " ")) != NULL) {
if ((envent = environ_find(srcenv, var)) == NULL) if ((envent = environ_find(srcenv, var)) == NULL)
environ_set(dstenv, var, NULL); environ_set(dstenv, var, NULL);
else else
environ_set(dstenv, envent->name, envent->value); environ_set(dstenv, envent->name, envent->value);
} }
xfree(vars); xfree(copyvars);
} }