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15 Commits

Author SHA1 Message Date
Hans Wennborg 29b653413a Fix test/Sema/format-strings-scanf.c 
llvm-svn: 146651
 2011-12-15 11:43:45 +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 4951c67875 Fix signature of vsscanf in Builtins.def 
llvm-svn: 146392
 2011-12-12 18:46:05 +00:00
Hans Wennborg 8d5a4093f5 Fix signature of sscanf in Builtins.def 
llvm-svn: 146390
 2011-12-12 18:33:02 +00:00
Hans Wennborg bb4189db23 Make fscanf, vscanf, etc. be recognized as scanf-like functions. 
llvm-svn: 146367
 2011-12-12 10:34:18 +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
Richard Trieu 03cf7b70e0 Fix for PR9751 to change the behavior of -Wformat warnings. If the format 
string is part of the function call, then there is no difference.  If the
format string is not, the warning will point to the call site and a note
will point to where the format string is.

Fix-it hints for strings are moved to the note if a note is emitted.  This will
prevent changes to format strings that may be used in multiple places.

llvm-svn: 143168
 2011-10-28 00:41:25 +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 6cd694233d Don't warn when a '%%' or '%*d' (scanf) is used in a format string with positional arguments, since 
these don't actually consume an argument.

llvm-svn: 108757
 2010-07-19 22:01:06 +00:00
Ted Kremenek ce81542d61 Hook up 'invalid conversion' warning for scanf format strings. 
llvm-svn: 108750
 2010-07-19 21:25:57 +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 0030be81f5 Remove unicode quotes characters that somehow made it into a recent commit of mine. 
llvm-svn: 108552
 2010-07-16 20:49:01 +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 c618728e8d Tweak zero-field width in scanf format string diagnostic. 
llvm-svn: 108541
 2010-07-16 18:27:56 +00:00
Ted Kremenek 5530131bb7 Add initial test cases for scanf format string checking. 
llvm-svn: 108503
 2010-07-16 02:11:34 +00:00