Index: src/cff/cf2read.c |
diff --git a/src/cff/cf2read.c b/src/cff/cf2read.c |
new file mode 100644 |
index 0000000000000000000000000000000000000000..cb671ecc03c1ebe3446897fdb5f88e23bd6163fb |
--- /dev/null |
+++ b/src/cff/cf2read.c |
@@ -0,0 +1,112 @@ |
+/***************************************************************************/ |
+/* */ |
+/* cf2read.c */ |
+/* */ |
+/* Adobe's code for stream handling (body). */ |
+/* */ |
+/* Copyright 2007-2013 Adobe Systems Incorporated. */ |
+/* */ |
+/* This software, and all works of authorship, whether in source or */ |
+/* object code form as indicated by the copyright notice(s) included */ |
+/* herein (collectively, the "Work") is made available, and may only be */ |
+/* used, modified, and distributed under the FreeType Project License, */ |
+/* LICENSE.TXT. Additionally, subject to the terms and conditions of the */ |
+/* FreeType Project License, each contributor to the Work hereby grants */ |
+/* to any individual or legal entity exercising permissions granted by */ |
+/* the FreeType Project License and this section (hereafter, "You" or */ |
+/* "Your") a perpetual, worldwide, non-exclusive, no-charge, */ |
+/* royalty-free, irrevocable (except as stated in this section) patent */ |
+/* license to make, have made, use, offer to sell, sell, import, and */ |
+/* otherwise transfer the Work, where such license applies only to those */ |
+/* patent claims licensable by such contributor that are necessarily */ |
+/* infringed by their contribution(s) alone or by combination of their */ |
+/* contribution(s) with the Work to which such contribution(s) was */ |
+/* submitted. If You institute patent litigation against any entity */ |
+/* (including a cross-claim or counterclaim in a lawsuit) alleging that */ |
+/* the Work or a contribution incorporated within the Work constitutes */ |
+/* direct or contributory patent infringement, then any patent licenses */ |
+/* granted to You under this License for that Work shall terminate as of */ |
+/* the date such litigation is filed. */ |
+/* */ |
+/* By using, modifying, or distributing the Work you indicate that you */ |
+/* have read and understood the terms and conditions of the */ |
+/* FreeType Project License as well as those provided in this section, */ |
+/* and you accept them fully. */ |
+/* */ |
+/***************************************************************************/ |
+ |
+ |
+#include "cf2ft.h" |
+#include FT_INTERNAL_DEBUG_H |
+ |
+#include "cf2glue.h" |
+ |
+#include "cf2error.h" |
+ |
+ |
+ /* Define CF2_IO_FAIL as 1 to enable random errors and random */ |
+ /* value errors in I/O. */ |
+#define CF2_IO_FAIL 0 |
+ |
+ |
+#if CF2_IO_FAIL |
+ |
+ /* set the .00 value to a nonzero probability */ |
+ static int |
+ randomError2( void ) |
+ { |
+ /* for region buffer ReadByte (interp) function */ |
+ return (double)rand() / RAND_MAX < .00; |
+ } |
+ |
+ /* set the .00 value to a nonzero probability */ |
+ static CF2_Int |
+ randomValue() |
+ { |
+ return (double)rand() / RAND_MAX < .00 ? rand() : 0; |
+ } |
+ |
+#endif /* CF2_IO_FAIL */ |
+ |
+ |
+ /* Region Buffer */ |
+ /* */ |
+ /* Can be constructed from a copied buffer managed by */ |
+ /* `FCM_getDatablock'. */ |
+ /* Reads bytes with check for end of buffer. */ |
+ |
+ /* reading past the end of the buffer sets error and returns zero */ |
+ FT_LOCAL_DEF( CF2_Int ) |
+ cf2_buf_readByte( CF2_Buffer buf ) |
+ { |
+ if ( buf->ptr < buf->end ) |
+ { |
+#if CF2_IO_FAIL |
+ if ( randomError2() ) |
+ { |
+ CF2_SET_ERROR( buf->error, Invalid_Stream_Operation ); |
+ return 0; |
+ } |
+ |
+ return *(buf->ptr)++ + randomValue(); |
+#else |
+ return *(buf->ptr)++; |
+#endif |
+ } |
+ else |
+ { |
+ CF2_SET_ERROR( buf->error, Invalid_Stream_Operation ); |
+ return 0; |
+ } |
+ } |
+ |
+ |
+ /* note: end condition can occur without error */ |
+ FT_LOCAL_DEF( FT_Bool ) |
+ cf2_buf_isEnd( CF2_Buffer buf ) |
+ { |
+ return buf->ptr >= buf->end; |
+ } |
+ |
+ |
+/* END */ |