diff options
author | Keith Packard <keithp@keithp.com> | 2003-04-18 15:56:05 +0000 |
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committer | Keith Packard <keithp@keithp.com> | 2003-04-18 15:56:05 +0000 |
commit | 29d961a28e231302683577328ed4724319805a7f (patch) | |
tree | b26cf07a710200dca8da885d2233f19aedee8bad | |
parent | 3a30abdb84ff973be86d4f75ee2fd54099f32ef1 (diff) | |
download | fontconfig-29d961a28e231302683577328ed4724319805a7f.tar.gz |
Guard calls to FT_Get_BDF_Property to avoid freetype jumping through null
pointer
-rw-r--r-- | src/fcfreetype.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/src/fcfreetype.c b/src/fcfreetype.c index 5c766d1..70642b5 100644 --- a/src/fcfreetype.c +++ b/src/fcfreetype.c @@ -57,7 +57,13 @@ #if (FREETYPE_MINOR > 1 || (FREETYPE_MINOR == 1 && FREETYPE_PATCH >= 4)) #include <freetype/ftbdf.h> +#include <freetype/ftmodule.h> #define USE_FTBDF +#define HAS_BDF_PROPERTY(f) ((f) && (f)->driver && \ + (f)->driver->root.clazz->get_interface) +#define MY_Get_BDF_Property(f,n,p) (HAS_BDF_PROPERTY(f) ? \ + FT_Get_BDF_Property(f,n,p) : \ + FT_Err_Invalid_Argument) #endif @@ -781,7 +787,7 @@ FcFreeTypeQuery (const FcChar8 *file, { int rc; BDF_PropertyRec prop; - rc = FT_Get_BDF_Property(face, "FOUNDRY", &prop); + rc = MY_Get_BDF_Property(face, "FOUNDRY", &prop); if(rc == 0 && prop.type == BDF_PROPERTY_TYPE_ATOM) foundry = prop.u.atom; } @@ -789,7 +795,7 @@ FcFreeTypeQuery (const FcChar8 *file, if (width == -1) { BDF_PropertyRec prop; - if (FT_Get_BDF_Property(face, "RELATIVE_SETWIDTH", &prop) == 0 && + if (MY_Get_BDF_Property(face, "RELATIVE_SETWIDTH", &prop) == 0 && (prop.type == BDF_PROPERTY_TYPE_INTEGER || prop.type == BDF_PROPERTY_TYPE_CARDINAL)) { @@ -811,7 +817,7 @@ FcFreeTypeQuery (const FcChar8 *file, case 9: width = FC_WIDTH_ULTRAEXPANDED; break; } } - else if (FT_Get_BDF_Property (face, "SETWIDTH_NAME", &prop) == 0 && + else if (MY_Get_BDF_Property (face, "SETWIDTH_NAME", &prop) == 0 && prop.type == BDF_PROPERTY_TYPE_ATOM) { static struct { |