[LLVMbugs] [Bug 22701] New: bogus "format string is not a string literal" warnings
bugzilla-daemon at llvm.org
bugzilla-daemon at llvm.org
Wed Feb 25 12:46:33 PST 2015
http://llvm.org/bugs/show_bug.cgi?id=22701
Bug ID: 22701
Summary: bogus "format string is not a string literal" warnings
Product: clang
Version: 3.6
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: -New Bugs
Assignee: unassignedclangbugs at nondot.org
Reporter: howarth.mailing.lists at gmail.com
CC: llvmbugs at cs.uiuc.edu
Classification: Unclassified
The gdb developers believe that clang is emitting bogus warnings for
-Wformat-nonliteral. For example...
# clang-3.6 -O2 -g -Wno-unused-value -I. -I. -I./common -I./config
-DLOCALEDIR="\"/sw/share/locale\"" -DHAVE_CONFIG_H -I./../include/opcode
-I./../opcodes/.. -I./../readline/.. -I../bfd -I./../bfd -I./../include
-I../libdecnumber -I./../libdecnumber -I./gnulib/import -Ibuild-gnulib/import
-DTUI=1 -I/sw/include -I/sw/include/guile/2.0 -I/sw/include -D_THREAD_SAFE
-I/System/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7
-I/System/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7
-Wall -Wdeclaration-after-statement -Wpointer-arith -Wpointer-sign -Wno-unused
-Wunused-value -Wunused-function -Wno-switch -Wno-char-subscripts
-Wmissing-prototypes -Wdeclaration-after-statement -Wempty-body
-Wmissing-prototypes -Wout-of-line-declaration -Wold-style-definition
-Wformat-nonliteral -c -o darwin-nat.o -MT darwin-nat.o -MMD -MP -MF
.deps/darwin-nat.Tpo darwin-nat.c --save-temps
darwin-nat.c:184:23: warning: format string is not a string literal
[-Wformat-nonliteral]
vprintf_unfiltered (fmt, ap);
^~~
1 warning generated.
which can be reproduced with the attached preprocessed source file.
# clang-3.6 -Wformat-nonliteral -c darwin-nat.i
darwin-nat.c:184:23: warning: format string is not a string literal
[-Wformat-nonliteral]
vprintf_unfiltered (fmt, ap);
^~~
1 warning generated.
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