Problem report #129: base/src/emacs/src/ftfont.c (ftfont_match); UNINIT

[Dan Nicolaescu]

CID: 129
Checker: UNINIT (help)
File: base/src/emacs/src/ftfont.c
Function: ftfont_match
Description: Using uninitialized value "entity" in call to function
"font_add_log"

Event var_decl: Declared variable "entity" without initializer
Also see events: [uninit_use][uninit_use_in_call]

923       Lisp_Object entity;
924       FcPattern *pattern, *match = NULL;
925       FcResult result;
926       char otlayout[15];            /* For "otlayout:XXXX" */
927       struct OpenTypeSpec *otspec = NULL;
928     

At conditional (1): "fc_initialized == 0" taking true path

929       if (! fc_initialized)
930         {
931           FcInit ();
932           fc_initialized = 1;
933         }
934     
935       pattern = ftfont_spec_pattern (spec, otlayout, &otspec);

At conditional (2): "pattern == 0" taking false path

936       if (! pattern)
937         return Qnil;
938     

At conditional (3): "((0), (spec & -8))->contents[8] & 7 == 0" taking true path

939       if (INTEGERP (AREF (spec, FONT_SIZE_INDEX)))
940         {
941           FcValue value;
942     
943           value.type = FcTypeDouble;
944           value.u.d = XINT (AREF (spec, FONT_SIZE_INDEX));
945           FcPatternAdd (pattern, FC_PIXEL_SIZE, value, FcFalse);
946         }

At conditional (4): "FcConfigSubstitute == 1" taking true path

947       if (FcConfigSubstitute (NULL, pattern, FcMatchPattern) == FcTrue)
948         {
949           FcDefaultSubstitute (pattern);
950           match = FcFontMatch (NULL, pattern, &result);

At conditional (5): "match != 0" taking false path

951           if (match)
952             {
953               entity = ftfont_pattern_entity (match, AREF (spec, 
FONT_EXTRA_INDEX));
954               FcPatternDestroy (match);
955               if (! NILP (AREF (spec, FONT_FAMILY_INDEX))
956                   && NILP (assq_no_quit (AREF (spec, FONT_FAMILY_INDEX),
957                                          ftfont_generic_family_list))
958                   && NILP (Fstring_equal (AREF (spec, FONT_FAMILY_INDEX),
959                                           AREF (entity, 
FONT_FAMILY_INDEX))))
960                 entity = Qnil;
961             }
962         }
963       FcPatternDestroy (pattern);
964     

Event uninit_use_in_call: Using uninitialized value "entity" in call to 
function "font_add_log" [model]
Also see events: [var_decl][uninit_use]

965       font_add_log ("ftfont-match", spec, entity);

Event uninit_use: Using uninitialized value "entity"
Also see events: [var_decl][uninit_use_in_call]

966       return entity;
967     }
968     
969     static Lisp_Object
970     ftfont_list_family (frame)
971