Matteo Bruni : wpp: get_string() now can return NULL, handle it.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 28fb6a24b143bbbe70b497dedcbcb5688aac9f8e
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=28fb6a24b143bbbe70b497dedc...

Author: Matteo Bruni 
Date:   Tue Sep 29 12:06:24 2009 +0200

wpp: get_string() now can return NULL, handle it.

---

libs/wpp/ppl.l |    3 +++
 libs/wpp/ppy.y |   12 ++++++------
 2 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/libs/wpp/ppl.l b/libs/wpp/ppl.l
index 062ac22..48a6959 100644
--- a/libs/wpp/ppl.l
+++ b/libs/wpp/ppl.l
@@ -1514,6 +1514,9 @@ void pp_do_include(char *fname, int type)
    int n;
    includelogicentry_t *iep;

+	if(!fname)
+		return;
+
    for(iep = pp_includelogiclist; iep; iep = iep->next)
    {
    	if(!strcmp(iep->filename, fname))
diff --git a/libs/wpp/ppy.y b/libs/wpp/ppy.y
index ba88320..b525e2f 100644
--- a/libs/wpp/ppy.y
+++ b/libs/wpp/ppy.y
@@ -279,16 +279,16 @@ preprocessor
    | tMACRO res_arg allmargs tMACROEND opt_mtexts tNL	{
    	pp_add_macro($1, macro_args, nmacro_args, $5);
    	}
-	| tLINE tSINT tDQSTRING	tNL	{ fprintf(ppy_out, "# %d %s\n", $2 , $3); free($3); }
-	| tGCCLINE tSINT tDQSTRING tNL	{ fprintf(ppy_out, "# %d %s\n", $2 , $3); free($3); }
+	| tLINE tSINT tDQSTRING	tNL	{ if($3) fprintf(ppy_out, "# %d %s\n", $2 , $3); free($3); }
+	| tGCCLINE tSINT tDQSTRING tNL	{ if($3) fprintf(ppy_out, "# %d %s\n", $2 , $3); free($3); }
    | tGCCLINE tSINT tDQSTRING tSINT tNL
-		{ fprintf(ppy_out, "# %d %s %d\n", $2, $3, $4); free($3); }
+		{ if($3) fprintf(ppy_out, "# %d %s %d\n", $2, $3, $4); free($3); }
    | tGCCLINE tSINT tDQSTRING tSINT tSINT tNL
-		{ fprintf(ppy_out, "# %d %s %d %d\n", $2 ,$3, $4, $5); free($3); }
+		{ if($3) fprintf(ppy_out, "# %d %s %d %d\n", $2 ,$3, $4, $5); free($3); }
    | tGCCLINE tSINT tDQSTRING tSINT tSINT tSINT  tNL
-		{ fprintf(ppy_out, "# %d %s %d %d %d\n", $2 ,$3 ,$4 ,$5, $6); free($3); }
+		{ if($3) fprintf(ppy_out, "# %d %s %d %d %d\n", $2 ,$3 ,$4 ,$5, $6); free($3); }
    | tGCCLINE tSINT tDQSTRING tSINT tSINT tSINT tSINT tNL
-		{ fprintf(ppy_out, "# %d %s %d %d %d %d\n", $2 ,$3 ,$4 ,$5, $6, $7); free($3); }
+		{ if($3) fprintf(ppy_out, "# %d %s %d %d %d %d\n", $2 ,$3 ,$4 ,$5, $6, $7); free($3); }
    | tGCCLINE tNL		/* The null-token */
    | tERROR opt_text tNL	{ ppy_error("#error directive: '%s'", $2); free($2); }
    | tWARNING opt_text tNL	{ ppy_warning("#warning directive: '%s'", $2); free($2); }