Hi, const char* FontConfig::Find(const char* family, bool isBold, bool isItalic) { const char* filename = NULL; int weight = FC_WEIGHT_MEDIUM; if(isBold) { weight = FC_WEIGHT_BOLD; } int slant = FC_SLANT_ROMAN; if(isItalic) { slant = FC_SLANT_ITALIC; } FcPattern* pattern = FcPatternBuild(NULL, FC_SCALABLE, FcTypeBool, true, FC_FAMILY, FcTypeString, family, FC_WEIGHT, FcTypeInteger, weight, FC_SLANT, FcTypeInteger, slant, NULL); if(pattern) { FcConfigSubstitute(0, pattern, FcMatchPattern); FcDefaultSubstitute(pattern); FcResult result; FcPattern* match = FcFontMatch(0, pattern, &result); if(match) { FcChar8* str = 0; if(FcPatternGetString(match, FC_FILE, 0, &str) == FcResultMatch) { filename = (const char*)str; } FcPatternDestroy(match);---------------------------------------added newly } FcPatternDestroy(pattern); } printf("return from FontConfig::Find\n"); return filename; } since const char* filename = NULL; i have to set the filename pointer with str.I cannot copy rite.. With this change now that error has gone ,but still two more FcFontMatch errors are dere i.e 284 bytes in 7 blocks are possibly lost in loss record 97 of 140 ==17210== at 0x4024F20: malloc (vg_replace_malloc.c:236) ==17210== by 0x4C667A6: FcStrStaticName (fcpat.c:1065) ==17210== by 0x4C678AF: FcValueSave (fcpat.c:101) ==17210== by 0x4C679B2: FcPatternObjectAddWithBinding (fcpat.c:485) ==17210== by 0x4C681CB: FcPatternObjectAdd (fcpat.c:537) ==17210== by 0x4C64287: FcFontRenderPrepare (fcmatch.c:420) ==17210== by 0x4C644C7: FcFontMatch (fcmatch.c:564) ==17210== by 0x4B344C4: FontConfig::Find(char const*, bool, bool) (unixfontconfig.cpp:77) ==17210== by 0x4B3439C: FontConfig::FindFont(char const*, bool, bool) (unixfontconfig.cpp:50) ==17210== by 0x4B3523A: SIInterface::SI_CreateFont(MM_Object*, FI_FontInfo const*, void**) (SITextDrawImpl.cpp:324) ==17210== by 0x625BDE7: HostCallback2<unsigned short, FI_FontInfo const*, void**>::Invoke(void*) (si_wrappers.cpp:130) ==17210== by 0x63A1331: CorePlayer::InvokeHostCallback(VirtualHostCallback&) (splayer.cpp:12240) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ 16 bytes in 1 blocks are possibly lost in loss record 33 of 140 ==17210== at 0x4024F20: malloc (vg_replace_malloc.c:236) ==17210== by 0x4C667A6: FcStrStaticName (fcpat.c:1065) ==17210== by 0x4C68283: FcPatternObjectAddString (fcpat.c:655) ==17210== by 0x4C5A570: FcDefaultSubstitute (fcdefault.c:167) ==17210== by 0x4B344AA: FontConfig::Find(char const*, bool, bool) (unixfontconfig.cpp:75) ==17210== by 0x4B3439C: FontConfig::FindFont(char const*, bool, bool) (unixfontconfig.cpp:50) ==17210== by 0x4B3523A: SIInterface::SI_CreateFont(MM_Object*, FI_FontInfo const*, void**) (SITextDrawImpl.cpp:324) ==17210== by 0x625BDE7: HostCallback2<unsigned short, FI_FontInfo const*, void**>::Invoke(void*) (si_wrappers.cpp:130) ==17210== by 0x63A1331: CorePlayer::InvokeHostCallback(VirtualHostCallback&) (splayer.cpp:12240) ==17210== by 0x62550B9: MM_SI_CreateFont(PlatformPlayer*, FI_FontInfo const*, void**) (si_wrappers.cpp:1067) ==17210== by 0x6242DA8: PlatformEDevice::CreatePlatformFont(PlatformECharFormat*, int, unsigned char) (FL_fonts.cpp:1157) ==17210== by 0x62422EA: PlatformEDevice::SetCharFormat(PlatformECharFormat*, int) (FL_fonts.cpp:640) ==17210== -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Archana. <div class="gmail_quote">On Thu, May 17, 2012 at 12:13 PM, Akira TAGOH <<a href="mailto:akira@tagoh.org" target="_blank">akira@tagoh.org</a>> wrote: <blockquote class="gmail_quote" style="margin:0pt 0pt 0pt 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"> <div class="im">On Thu, May 17, 2012 at 2:51 PM, Archana Mathari <<a href="mailto:archnavnr24@gmail.com">archnavnr24@gmail.com</a>> wrote: > Hi, > > Yes, i am able to see many errors related to FcFontMatch in > valgrind..FcPatternDestroy() function is called after FcFontMatch() in my > code below is the function...... > > FcPattern* match = FcFontMatch(0, pattern, &result); > if(match) { > FcChar8* str = 0; > if(FcPatternGetString(match, FC_FILE, 0, &str) == > FcResultMatch) { > filename = (const char*)str; > } > } > FcPatternDestroy(pattern); > } > printf("return from FontConfig::Find\n"); > return filename; > } </div>You have to call FcPatternDestroy() for "match" too. due to that, you need to copy "str" to "filename" instead of set a pointer. -- Akira TAGOH </blockquote></div>