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Formerly vpath.c.~13~

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Roland McGrath 1993-07-09 01:30:13 +00:00
parent 3296fa1dff
commit 9a6b8d1015
1 changed files with 20 additions and 14 deletions
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34
vpath.c
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@ -72,25 +72,27 @@ build_vpath_lists ()
int save = warn_undefined_variables_flag; int save = warn_undefined_variables_flag;
warn_undefined_variables_flag = 0; warn_undefined_variables_flag = 0;
p = variable_expand ("$(VPATH)"); p = variable_expand ("$(strip $(VPATH))");
warn_undefined_variables_flag = save; warn_undefined_variables_flag = save;
} }
if (*p != '\0') if (*p != '\0')
{ {
/* Save the list of vpaths. */
struct vpath *save_vpaths = vpaths;
/* Empty `vpaths' so the new one will have no next, and `vpaths'
will still be nil if P contains no existing directories. */
vpaths = 0;
/* Parse P. */
construct_vpath_list ("%", p); construct_vpath_list ("%", p);
/* VPATHS will be nil if there have been no previous `vpath'
directives and none of the given directories exists. */ /* Store the created path as the general path,
if (vpaths == 0) and restore the old list of vpaths. */
general_vpath = 0; general_vpath = vpaths;
else vpaths = save_vpaths;
{
general_vpath = vpaths;
/* It was just put into the linked list,
but we don't want it there, so we must remove it. */
vpaths = general_vpath->next;
}
} }
} }
@ -251,8 +253,12 @@ construct_vpath_list (pattern, dirpath)
path->patlen = strlen (pattern); path->patlen = strlen (pattern);
} }
else else
/* There were no entries, so free whatever space we allocated. */ {
free ((char *) vpath); /* There were no entries, so free whatever space we allocated. */
free ((char *) vpath);
if (pattern != 0)
free (pattern);
}
} }
/* Search the VPATH list whose pattern matches *FILE for a directory /* Search the VPATH list whose pattern matches *FILE for a directory