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Sync OpenBSD patchset 299:

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Initialise the arg2 pointer properly (also free it when freeing the
others). Fixes crashes with J in malloc_options reported by oga.
This commit is contained in:
Tiago Cunha 2009-08-26 22:13:52 +00:00
parent 83e44c7d8e
commit d15e88cb68
1 changed files with 10 additions and 1 deletions
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11
cmd-generic.c
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@ -1,4 +1,4 @@
/* $Id: cmd-generic.c,v 1.33 2009-08-11 14:42:59 nicm Exp $ */
/* $Id: cmd-generic.c,v 1.34 2009-08-26 22:13:52 tcunha Exp $ */
/*
* Copyright (c) 2008 Nicholas Marriott <nicm@users.sourceforge.net>
@ -155,6 +155,7 @@ cmd_target_init(struct cmd *self, unused int key)
data->chflags = 0;
data->target = NULL;
data->arg = NULL;
data->arg2 = NULL;
}
int
@ -204,6 +205,8 @@ cmd_target_free(struct cmd *self)
xfree(data->target);
if (data->arg != NULL)
xfree(data->arg);
if (data->arg2 != NULL)
xfree(data->arg2);
xfree(data);
}
@ -236,6 +239,7 @@ cmd_srcdst_init(struct cmd *self, unused int key)
data->src = NULL;
data->dst = NULL;
data->arg = NULL;
data->arg2 = NULL;
}
int
@ -290,6 +294,8 @@ cmd_srcdst_free(struct cmd *self)
xfree(data->dst);
if (data->arg != NULL)
xfree(data->arg);
if (data->arg2 != NULL)
xfree(data->arg2);
xfree(data);
}
@ -324,6 +330,7 @@ cmd_buffer_init(struct cmd *self, unused int key)
data->target = NULL;
data->buffer = -1;
data->arg = NULL;
data->arg2 = NULL;
}
int
@ -384,6 +391,8 @@ cmd_buffer_free(struct cmd *self)
xfree(data->target);
if (data->arg != NULL)
xfree(data->arg);
if (data->arg2 != NULL)
xfree(data->arg2);
xfree(data);
}