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13 Commits

Author SHA1 Message Date
Hans Wennborg 6073e31baa scanf: parse the 'm' length modifier, and check that the right arguments 
are used with that and the 'a' length modifier.

llvm-svn: 148029
 2012-01-12 17:11:12 +00:00
Hans Wennborg 32f115f9c1 scanf analysis: don't bail out after successful parse of scanlist 
llvm-svn: 148025
 2012-01-12 14:44:54 +00:00
Hans Wennborg 23926bd2d7 Support the 'a' length modifier in scanf format strings as a C90 
extension.

This fixes gcc.dg/format/c90-scanf-3.c and ext-4.c (test for excess
errors).

llvm-svn: 146649
 2011-12-15 10:25:47 +00:00
Hans Wennborg b1a5e09f6f Check that arguments to a scanf call match the format specifier, 
and offer fixits when there is a mismatch.

llvm-svn: 146326
 2011-12-10 13:20:11 +00:00
Michael J. Spencer 2c35bc1232 Revert r109428 "Hoist argument type checking into CheckFormatHandler. This is prep for scanf format" 
Got errors about ASTContext being undefined with Visual Studio 2010.

llvm-svn: 109491
 2010-07-27 04:46:02 +00:00
Dan Gohman 28ade550f4 Fix namespace polution. 
llvm-svn: 109440
 2010-07-26 21:25:24 +00:00
Ted Kremenek df4472bca0 Hoist argument type checking into CheckFormatHandler. This is prep for scanf format 
string argument type checking.

llvm-svn: 109428
 2010-07-26 19:45:54 +00:00
Ted Kremenek 4407ea4948 Hookup checking for invalid length modifiers in scanf format strings. 
llvm-svn: 108907
 2010-07-20 20:04:47 +00:00
Ted Kremenek f03e6d85a1 Add 'ConversionSpecifier' root class in 'analyze_format_string' namespace and 
derived 'PrintfConversionSpecifier' from this class.  We will do the same for
'ScanfConversionSpecifier'.

llvm-svn: 108903
 2010-07-20 20:04:27 +00:00
Ted Kremenek 516ef222ba Rename 'ConsumedSoFarArg' -> 'nArg' and 'OutIntPtrArg' to 'nArg' (scanf and printf checking). 
llvm-svn: 108900
 2010-07-20 20:04:10 +00:00
Ted Kremenek 5c3e1b9a54 Add missing conversion specifier parsing for 'u', 'x', 'o', and 's'. Fixes <rdar://problem/8204052>. 
llvm-svn: 108742
 2010-07-19 19:47:40 +00:00
Ted Kremenek d7b31cc60d Hook up warning for an incomplete scanlist in scanf format strings. 
llvm-svn: 108542
 2010-07-16 18:28:03 +00:00
Ted Kremenek a1ef09407d Add the main scanf-parsing logic that I meant to include in my previous commit. 
llvm-svn: 108502
 2010-07-16 02:11:31 +00:00