(-Wformat-overflow): ...to this.
gcc/c-family/ChangeLog: (-Wformat-overflow): ...to this. gcc/ChangeLog: to -Wformat-overflow. * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust. (min_bytes_remaining): Same. (get_string_length): Same. (format_string): Same. (format_directive): Same. (add_bytes): Same. (pass_sprintf_length::handle_gimple_call): Same. gcc/testsuite/ChangeLog: * gcc.dg/pr78138.c: Adjust. * gcc.dg/pr78768.c: Adjust. * gcc.dg/tree-ssa/builtin-sprintf-4.c: Adjust. * gcc.dg/tree-ssa/builtin-sprintf-warn-1.c: Adjust. * gcc.dg/tree-ssa/builtin-sprintf-warn-2.c: Adjust. * gcc.dg/tree-ssa/builtin-sprintf-warn-3.c: Adjust. * gcc.dg/tree-ssa/builtin-sprintf-warn-4.c: Adjust. * gcc.dg/tree-ssa/builtin-sprintf-warn-6.c: Adjust. * gcc.dg/tree-ssa/builtin-sprintf-warn-7.c: Adjust. * gcc.dg/tree-ssa/builtin-sprintf-warn-8.c: Adjust. * gcc.dg/tree-ssa/builtin-sprintf-warn-9.c: Adjust. * gcc.dg/tree-ssa/pr78605.c: Adjust. * gcc.dg/tree-ssa/pr78622.c: Adjust. From-SVN: r244385
This commit is contained in:
Martin Sebor
Martin Sebor
parent
3eefa646f4
commit
bce6f76013
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@ -1,3 +1,14 @@
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2017-01-12 Martin Sebor <msebor@redhat.com>
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to -Wformat-overflow.
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* gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust.
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(min_bytes_remaining): Same.
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(get_string_length): Same.
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(format_string): Same.
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(format_directive): Same.
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(add_bytes): Same.
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(pass_sprintf_length::handle_gimple_call): Same.
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2017-01-12 Jakub Jelinek <jakub@redhat.com>
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* gimple-ssa-sprintf.c (try_substitute_return_value): Remove
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@ -1,3 +1,7 @@
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2017-01-12 Martin Sebor <msebor@redhat.com>
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(-Wformat-overflow): ...to this.
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2017-01-11 Martin Sebor <msebor@redhat.com>
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PR c/78768
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@ -520,15 +520,15 @@ Wformat-extra-args
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C ObjC C++ ObjC++ Var(warn_format_extra_args) Warning LangEnabledBy(C ObjC C++ ObjC++,Wformat=, warn_format >= 1, 0)
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Warn if passing too many arguments to a function for its format string.
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Wformat-length
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C ObjC C++ LTO ObjC++ Warning Alias(Wformat-length=, 1, 0)
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Warn about function calls with format strings that write past the end
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of the destination region. Same as -Wformat-length=1.
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Wformat-nonliteral
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C ObjC C++ ObjC++ Var(warn_format_nonliteral) Warning LangEnabledBy(C ObjC C++ ObjC++,Wformat=, warn_format >= 2, 0)
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Warn about format strings that are not literals.
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Wformat-overflow
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C ObjC C++ LTO ObjC++ Warning Alias(Wformat-overflow=, 1, 0)
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Warn about function calls with format strings that write past the end
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of the destination region. Same as -Wformat-overflow=1.
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Wformat-security
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C ObjC C++ ObjC++ Var(warn_format_security) Warning LangEnabledBy(C ObjC C++ ObjC++,Wformat=, warn_format >= 2, 0)
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Warn about possible security problems with format functions.
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@ -554,8 +554,8 @@ Wformat=
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C ObjC C++ ObjC++ Joined RejectNegative UInteger Var(warn_format) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall, 1, 0)
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Warn about printf/scanf/strftime/strfmon format string anomalies.
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Wformat-length=
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C ObjC C++ ObjC++ Joined RejectNegative UInteger Var(warn_format_length) Warning LangEnabledBy(C ObjC C++ ObjC++,Wformat=, warn_format >= 1, 0)
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Wformat-overflow=
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C ObjC C++ LTO ObjC++ Joined RejectNegative UInteger Var(warn_format_overflow) Warning LangEnabledBy(C ObjC C++ ObjC++,Wformat=, warn_format >= 1, 0)
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Warn about function calls with format strings that write past the end
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of the destination region.
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@ -274,8 +274,8 @@ Objective-C and Objective-C++ Dialects}.
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-Wno-div-by-zero -Wdouble-promotion -Wduplicated-cond @gol
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-Wempty-body -Wenum-compare -Wno-endif-labels -Wexpansion-to-defined @gol
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-Werror -Werror=* -Wfatal-errors -Wfloat-equal -Wformat -Wformat=2 @gol
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-Wno-format-contains-nul -Wno-format-extra-args -Wformat-length=@var{n} @gol
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-Wformat-nonliteral @gol
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-Wno-format-contains-nul -Wno-format-extra-args @gol
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-Wformat-nonliteral -Wformat-overflow=@var{n} @gol
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-Wformat-security -Wformat-signedness -Wformat-truncation=@var{n} @gol
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-Wformat-y2k -Wframe-address @gol
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-Wframe-larger-than=@var{len} -Wno-free-nonheap-object -Wjump-misses-init @gol
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@ -3957,10 +3957,10 @@ in the case of @code{scanf} formats, this option suppresses the
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warning if the unused arguments are all pointers, since the Single
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Unix Specification says that such unused arguments are allowed.
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@item -Wformat-length
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@itemx -Wformat-length=@var{level}
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@opindex Wformat-length
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@opindex Wno-format-length
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@item -Wformat-overflow
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@itemx -Wformat-overflow=@var{level}
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@opindex Wformat-overflow
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@opindex Wno-format-overflow
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Warn about calls to formatted input/output functions such as @code{sprintf}
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and @code{vsprintf} that might overflow the destination buffer. When the
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exact number of bytes written by a format directive cannot be determined
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@ -3970,11 +3970,11 @@ will in most cases improve the accuracy of the warning, it may also
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result in false positives.
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@table @gcctabopt
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@item -Wformat-length
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@item -Wformat-length=1
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@opindex Wformat-length
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@opindex Wno-format-length
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Level @var{1} of @option{-Wformat-length} enabled by @option{-Wformat}
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@item -Wformat-overflow
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@item -Wformat-overflow=1
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@opindex Wformat-overflow
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@opindex Wno-format-overflow
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Level @var{1} of @option{-Wformat-overflow} enabled by @option{-Wformat}
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employs a conservative approach that warns only about calls that most
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likely overflow the buffer. At this level, numeric arguments to format
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directives with unknown values are assumed to have the value of one, and
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@ -3997,7 +3997,7 @@ void f (int a, int b)
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@}
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@end smallexample
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@item -Wformat-length=2
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@item -Wformat-overflow=2
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Level @var{2} warns also about calls that might overflow the destination
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buffer given an argument of sufficient length or magnitude. At level
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@var{2}, unknown numeric arguments are assumed to have the minimum
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@ -4086,13 +4086,13 @@ compile-time it is estimated based on heuristics that depend on
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the @var{level} argument and on optimization. While enabling optimization
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will in most cases improve the accuracy of the warning, it may also result
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in false positives. Except as noted otherwise, the option uses the same
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logic @option{-Wformat-length}.
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logic @option{-Wformat-overflow}.
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@table @gcctabopt
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@item -Wformat-truncation
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@item -Wformat-truncation=1
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@opindex Wformat-truncation
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@opindex Wno-format-length
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@opindex Wno-format-overflow
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Level @var{1} of @option{-Wformat-truncation} enabled by @option{-Wformat}
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employs a conservative approach that warns only about calls to bounded
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functions whose return value is unused and that will most likely result
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@ -8458,7 +8458,7 @@ if (snprintf (buf, "%08x", i) >= sizeof buf)
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The @option{-fprintf-return-value} option relies on other optimizations
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and yields best results with @option{-O2}. It works in tandem with the
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@option{-Wformat-length} and @option{-Wformat-truncation} options.
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@option{-Wformat-overflow} and @option{-Wformat-truncation} options.
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The @option{-fprintf-return-value} option is enabled by default.
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@item -fno-peephole
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@ -141,7 +141,7 @@ pass_sprintf_length::gate (function *)
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not optimizing and the pass is being invoked early, or when
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optimizing and the pass is being invoked during optimization
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(i.e., "late"). */
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return ((warn_format_length > 0 || flag_printf_return_value)
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return ((warn_format_overflow > 0 || flag_printf_return_value)
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&& (optimize > 0) == fold_return_value);
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}
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@ -651,7 +651,7 @@ min_bytes_remaining (unsigned HOST_WIDE_INT navail, const format_result &res)
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if (HOST_WIDE_INT_MAX <= navail)
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return navail;
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if (1 < warn_format_length || res.knownrange)
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if (warn_format_overflow > 1 || res.knownrange)
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{
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/* At level 2, or when all directives output an exact number
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of bytes or when their arguments were bounded by known
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@ -728,7 +728,7 @@ struct pass_sprintf_length::call_info
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/* Return the warning option corresponding to the called function. */
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int warnopt () const
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{
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return bounded ? OPT_Wformat_truncation_ : OPT_Wformat_length_;
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return bounded ? OPT_Wformat_truncation_ : OPT_Wformat_overflow_;
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}
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};
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@ -1653,7 +1653,7 @@ get_string_length (tree str)
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fmtresult res;
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res.range.min = (tree_fits_uhwi_p (lenrange[0])
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? tree_to_uhwi (lenrange[0]) : 1 < warn_format_length);
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? tree_to_uhwi (lenrange[0]) : warn_format_overflow > 1);
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res.range.max = (tree_fits_uhwi_p (lenrange[1])
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? tree_to_uhwi (lenrange[1]) : HOST_WIDE_INT_M1U);
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@ -1693,12 +1693,12 @@ format_string (const conversion_spec &spec, tree arg)
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to a "%lc" directive adjusted for precision but not field width.
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6 is the longest UTF-8 sequence for a single wide character. */
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const unsigned HOST_WIDE_INT max_bytes_for_unknown_wc
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= (0 <= prec ? prec : 1 < warn_format_length ? 6 : 1);
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= (0 <= prec ? prec : warn_format_overflow > 1 ? 6 : 1);
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/* The maximum number of bytes for an unknown string argument to either
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a "%s" or "%ls" directive adjusted for precision but not field width. */
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const unsigned HOST_WIDE_INT max_bytes_for_unknown_str
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= (0 <= prec ? prec : 1 < warn_format_length);
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= (0 <= prec ? prec : warn_format_overflow > 1);
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/* The result is bounded unless overriddden for a non-constant string
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of an unknown length. */
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@ -1718,7 +1718,7 @@ format_string (const conversion_spec &spec, tree arg)
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is the smaller of either 0 (at level 1) or 1 (at level 2)
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and WIDTH, and the maximum is MB_CUR_MAX in the selected
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locale, which is unfortunately, unknown. */
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res.range.min = 1 == warn_format_length ? !nul : nul < 1;
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res.range.min = warn_format_overflow == 1 ? !nul : nul < 1;
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res.range.max = max_bytes_for_unknown_wc;
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/* The range above is good enough to issue warnings but not
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for value range propagation, so clear BOUNDED. */
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@ -1756,7 +1756,7 @@ format_string (const conversion_spec &spec, tree arg)
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{
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bounded = false;
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if (warn_format_length > 1)
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if (warn_format_overflow > 1)
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{
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/* Leave the minimum number of bytes the wide string
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converts to equal to its length and set the maximum
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@ -2038,7 +2038,7 @@ format_directive (const pass_sprintf_length::call_info &info,
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|| warn_format_trunc > 1))
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|| (!info.bounded
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&& (spec.specifier == 's'
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|| 1 < warn_format_length))))
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|| warn_format_overflow > 1))))
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{
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/* The maximum directive output is longer than there is
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room in the destination and the output length is either
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@ -2114,7 +2114,7 @@ format_directive (const pass_sprintf_length::call_info &info,
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if (!minunder4k || fmtres.range.max > 4095)
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res->under4k = false;
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if (!warned && 1 < warn_format_length
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if (!warned && warn_format_overflow > 1
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&& (!minunder4k || fmtres.range.max > 4095))
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{
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/* The directive output may be longer than the maximum required
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@ -2151,7 +2151,7 @@ format_directive (const pass_sprintf_length::call_info &info,
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if (!warned
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&& (exceedmin
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|| (1 < warn_format_length
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|| (warn_format_overflow > 1
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&& res->number_chars_max > target_int_max ())))
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{
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/* The directive output causes the total length of output
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@ -2229,7 +2229,7 @@ add_bytes (const pass_sprintf_length::call_info &info,
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are bounded by the arrays they are known to refer to. */
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if (!res->warned
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&& (avail_range.max < nbytes
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|| ((res->knownrange || 1 < warn_format_length)
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|| ((res->knownrange || warn_format_overflow > 1)
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&& avail_range.min < nbytes)))
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{
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/* Set NAVAIL to the number of available bytes used to decide
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@ -2237,7 +2237,7 @@ add_bytes (const pass_sprintf_length::call_info &info,
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warning will depend on AVAIL_RANGE. */
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unsigned HOST_WIDE_INT navail = avail_range.max;
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if (nbytes <= navail && avail_range.min < HOST_WIDE_INT_MAX
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&& (res->knownrange || 1 < warn_format_length))
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&& (res->knownrange || warn_format_overflow > 1))
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navail = avail_range.min;
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/* Compute the offset of the first format character that is beyond
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@ -2346,7 +2346,7 @@ add_bytes (const pass_sprintf_length::call_info &info,
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if (!res->warned
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&& (exceedmin
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|| (1 < warn_format_length
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|| (warn_format_overflow > 1
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&& (res->number_chars_max - !end) > target_int_max ())))
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{
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/* The function's output exceeds INT_MAX bytes. */
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@ -2356,7 +2356,7 @@ add_bytes (const pass_sprintf_length::call_info &info,
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warning will depend on AVAIL_RANGE. */
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unsigned HOST_WIDE_INT navail = avail_range.max;
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if (nbytes <= navail && avail_range.min < HOST_WIDE_INT_MAX
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&& (res->bounded || 1 < warn_format_length))
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&& (res->bounded || warn_format_overflow > 1))
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navail = avail_range.min;
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/* Compute the offset of the first format character that is beyond
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@ -3037,7 +3037,7 @@ pass_sprintf_length::handle_gimple_call (gimple_stmt_iterator *gsi)
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if (range_type == VR_RANGE)
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{
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dstsize
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= (warn_format_length < 2
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= (warn_format_overflow < 2
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? wi::fits_uhwi_p (max) ? max.to_uhwi () : max.to_shwi ()
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: wi::fits_uhwi_p (min) ? min.to_uhwi () : min.to_shwi ());
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}
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|
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@ -1,3 +1,19 @@
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2017-01-12 Martin Sebor <msebor@redhat.com>
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* gcc.dg/pr78138.c: Adjust.
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* gcc.dg/pr78768.c: Adjust.
|
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* gcc.dg/tree-ssa/builtin-sprintf-4.c: Adjust.
|
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* gcc.dg/tree-ssa/builtin-sprintf-warn-1.c: Adjust.
|
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* gcc.dg/tree-ssa/builtin-sprintf-warn-2.c: Adjust.
|
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* gcc.dg/tree-ssa/builtin-sprintf-warn-3.c: Adjust.
|
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* gcc.dg/tree-ssa/builtin-sprintf-warn-4.c: Adjust.
|
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* gcc.dg/tree-ssa/builtin-sprintf-warn-6.c: Adjust.
|
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* gcc.dg/tree-ssa/builtin-sprintf-warn-7.c: Adjust.
|
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* gcc.dg/tree-ssa/builtin-sprintf-warn-8.c: Adjust.
|
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* gcc.dg/tree-ssa/builtin-sprintf-warn-9.c: Adjust.
|
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* gcc.dg/tree-ssa/pr78605.c: Adjust.
|
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* gcc.dg/tree-ssa/pr78622.c: Adjust.
|
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|
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2017-01-12 Jakub Jelinek <jakub@redhat.com>
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* gcc.dg/tree-ssa/builtin-snprintf-1.c: New test.
|
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|
|
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@ -1,6 +1,6 @@
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/* PR middle-end/78622 - [7 Regression] -Wformat-length/-fprintf-return-value
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/* PR middle-end/78622 - [7 Regression] -Wformat-overflow/-fprintf-return-value
|
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incorrect with overflow/wrapping
|
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{ dg-additional-options "-Wformat-length=2" } */
|
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{ dg-additional-options "-Wformat-overflow=2" } */
|
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__attribute__((noinline, noclone)) int
|
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foo (int x)
|
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|
|
|
|||
|
|
@ -1,7 +1,7 @@
|
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/* PR middle-end/78138 - missing warnings on buffer overflow with non-constant
|
||||
source length
|
||||
{ dg-do compile }
|
||||
{ dg-options "-O2 -Wformat-length" } */
|
||||
{ dg-options "-O2 -Wformat-overflow" } */
|
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|
||||
char d [5];
|
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|
||||
|
|
|
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|
|
@ -1,14 +1,14 @@
|
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/* PR c/78768 - -Walloca-larger-than and -Wformat-length warnings disabled
|
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/* PR c/78768 - -Walloca-larger-than and -Wformat-overflow warnings disabled
|
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by -flto
|
||||
{ dg-do run }
|
||||
{ dg-require-effective-target lto }
|
||||
{ dg-options "-O2 -Walloca-larger-than=10 -Wformat -Wformat-length -flto" } */
|
||||
{ dg-options "-O2 -Walloca-larger-than=10 -Wformat -Wformat-overflow -flto" } */
|
||||
|
||||
int main (void)
|
||||
{
|
||||
char *d = (char *)__builtin_alloca (12); /* { dg-warning "argument to .alloca. is too large" } */
|
||||
|
||||
__builtin_sprintf (d, "%32s", "x"); /* { dg-warning "directive writing 32 bytes into a region of size 12" "-Wformat-length" { xfail *-*-* } } */
|
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__builtin_sprintf (d, "%32s", "x"); /* { dg-warning "directive writing 32 bytes into a region of size 12" "-Wformat-overflow" { xfail *-*-* } } */
|
||||
|
||||
return 0;
|
||||
}
|
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|
|
|
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|
|
@ -1,7 +1,7 @@
|
|||
/* PR middle-end/78461 - [7 Regression] ICE: in operator+=, at
|
||||
gimple-ssa-sprintf.c:214
|
||||
Disable warnings to exercise code paths through the pass that may
|
||||
not be exercised when the -Wformat-length option is in effect. */
|
||||
not be exercised when the -Wformat-overflow option is in effect. */
|
||||
/* { dg-compile }
|
||||
{ dg-options "-O2 -fdump-tree-optimized -w" } */
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/* { dg-do compile } */
|
||||
/* { dg-options "-Wformat -Wformat-length=1 -ftrack-macro-expansion=0" } */
|
||||
/* { dg-options "-Wformat -Wformat-overflow=1 -ftrack-macro-expansion=0" } */
|
||||
/* { dg-require-effective-target int32plus } */
|
||||
|
||||
/* When debugging, define LINE to the line number of the test case to exercise
|
||||
|
|
@ -1028,7 +1028,7 @@ void test_sprintf_chk_e_const (void)
|
|||
T (12, "%Le", 9.9999999e+99L);/* { dg-warning "terminating nul" } */
|
||||
}
|
||||
|
||||
/* At -Wformat-length level 1 unknown numbers are assumed to have
|
||||
/* At -Wformat-overflow level 1 unknown numbers are assumed to have
|
||||
the value one, and unknown strings are assumed to have a zero
|
||||
length. */
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/* { dg-do compile } */
|
||||
/* { dg-options "-std=c99 -Wformat -Wformat-length=2 -ftrack-macro-expansion=0" } */
|
||||
/* { dg-options "-std=c99 -Wformat -Wformat-overflow=2 -ftrack-macro-expansion=0" } */
|
||||
|
||||
/* When debugging, define LINE to the line number of the test case to exercise
|
||||
and avoid exercising any of the others. The buffer and objsize macros
|
||||
|
|
|
|||
|
|
@ -4,7 +4,7 @@
|
|||
-O2 (-ftree-vrp) is necessary for the tests involving ranges to pass,
|
||||
otherwise -O1 is sufficient.
|
||||
{ dg-do compile }
|
||||
{ dg-options "-O2 -Wformat -Wformat-length=1 -ftrack-macro-expansion=0" } */
|
||||
{ dg-options "-O2 -Wformat -Wformat-overflow=1 -ftrack-macro-expansion=0" } */
|
||||
|
||||
typedef __SIZE_TYPE__ size_t;
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/* { dg-do compile } */
|
||||
/* { dg-options "-Wformat -Wformat-length=1 -fdiagnostics-show-caret" } */
|
||||
/* { dg-options "-Wformat -Wformat-overflow=1 -fdiagnostics-show-caret" } */
|
||||
|
||||
extern int sprintf (char*, const char*, ...);
|
||||
|
||||
|
|
@ -17,7 +17,7 @@ void test (void)
|
|||
sprintf (dst + 2, "1", 0);
|
||||
^~~
|
||||
{ dg-end-multiline-output "" }
|
||||
{ dg-begin-multiline-output "-Wformat-length output" }
|
||||
{ dg-begin-multiline-output "-Wformat-overflow output" }
|
||||
sprintf (dst + 2, "1", 0);
|
||||
~^
|
||||
{ dg-end-multiline-output "" }
|
||||
|
|
@ -35,7 +35,7 @@ void test (void)
|
|||
sprintf (dst, "1234", 0);
|
||||
^~~~~~
|
||||
{ dg-end-multiline-output "" }
|
||||
{ dg-begin-multiline-output "-Wformat-length output" }
|
||||
{ dg-begin-multiline-output "-Wformat-overflow output" }
|
||||
sprintf (dst, "1234", 0);
|
||||
^
|
||||
{ dg-end-multiline-output "" }
|
||||
|
|
@ -54,7 +54,7 @@ void test (void)
|
|||
sprintf (dst, "12345", 0);
|
||||
^~~~~~~
|
||||
{ dg-end-multiline-output "" }
|
||||
{ dg-begin-multiline-output "-Wformat-length output" }
|
||||
{ dg-begin-multiline-output "-Wformat-overflow output" }
|
||||
sprintf (dst, "12345", 0);
|
||||
^~
|
||||
{ dg-end-multiline-output "" }
|
||||
|
|
@ -68,7 +68,7 @@ void test (void)
|
|||
sprintf (dst + 2, "%-s", "1");
|
||||
/* { dg-warning "writing a terminating nul past the end of the destination" "warning" { target *-*-* } .-1 }
|
||||
{ dg-message "format output 2 bytes into a destination of size 1" "note" { target *-*-* } .-2 }
|
||||
{ dg-begin-multiline-output "-Wformat-length output" }
|
||||
{ dg-begin-multiline-output "-Wformat-overflow output" }
|
||||
sprintf (dst + 2, "%-s", "1");
|
||||
~~~^
|
||||
{ dg-end-multiline-output "" }
|
||||
|
|
@ -80,7 +80,7 @@ void test (void)
|
|||
sprintf (dst + 2, "%-s", "abcd");
|
||||
/* { dg-warning ".%-s. directive writing 4 bytes into a region of size 1" "warning" { target *-*-* } .-1 }
|
||||
{ dg-message "format output 5 bytes into a destination of size 1" "note" { target *-*-* } .-2 }
|
||||
{ dg-begin-multiline-output "-Wformat-length output" }
|
||||
{ dg-begin-multiline-output "-Wformat-overflow output" }
|
||||
sprintf (dst + 2, "%-s", "abcd");
|
||||
^~~ ~~~~~~
|
||||
{ dg-end-multiline-output "" }
|
||||
|
|
|
|||
|
|
@ -1,8 +1,8 @@
|
|||
/* PR middle-end/77721 - -Wformat-length not uses arg range for converted vars
|
||||
/* PR middle-end/77721 - -Wformat-overflow not uses arg range for converted vars
|
||||
Test to verify that the correct range information is made available to the
|
||||
-Wformat-lenght check to prevent warnings. */
|
||||
/* { dg-do compile } */
|
||||
/* { dg-options "-O2 -Wformat -Wformat-length -fdump-tree-optimized" } */
|
||||
/* { dg-options "-O2 -Wformat -Wformat-overflow -fdump-tree-optimized" } */
|
||||
|
||||
void abort (void);
|
||||
int snprintf (char*, __SIZE_TYPE__, const char*, ...);
|
||||
|
|
|
|||
|
|
@ -2,7 +2,7 @@
|
|||
precision
|
||||
{ dg-do compile }
|
||||
{ dg-require-effective-target int32plus }
|
||||
{ dg-options "-Wformat-length -ftrack-macro-expansion=0" } */
|
||||
{ dg-options "-Wformat-overflow -ftrack-macro-expansion=0" } */
|
||||
|
||||
#define INT_MAX __INT_MAX__
|
||||
#define INT_MIN (-INT_MAX - 1)
|
||||
|
|
|
|||
|
|
@ -1,7 +1,7 @@
|
|||
/* PR middle-end/78519 - missing warning for sprintf %s with null pointer
|
||||
Also exercises null destination pointer and null format string.
|
||||
{ dg-do compile }
|
||||
{ dg-options "-O2 -Wformat -Wformat-length -Wno-nonnull -ftrack-macro-expansion=0" } */
|
||||
{ dg-options "-O2 -Wformat -Wformat-overflow -Wno-nonnull -ftrack-macro-expansion=0" } */
|
||||
|
||||
typedef __builtin_va_list va_list;
|
||||
|
||||
|
|
|
|||
|
|
@ -2,7 +2,7 @@
|
|||
Test to verify the correctness of ranges of output computed for floating
|
||||
point directives.
|
||||
{ dg-do compile }
|
||||
{ dg-options "-O2 -Wformat -Wformat-length -ftrack-macro-expansion=0" } */
|
||||
{ dg-options "-O2 -Wformat -Wformat-overflow -ftrack-macro-expansion=0" } */
|
||||
|
||||
typedef __builtin_va_list va_list;
|
||||
|
||||
|
|
|
|||
|
|
@ -1,6 +1,6 @@
|
|||
/* PR middle-end/78605 - bogus -Wformat-length=1 with %f
|
||||
/* PR middle-end/78605 - bogus -Wformat-overflow=1 with %f
|
||||
{ dg-do compile }
|
||||
{ dg-options "-O2 -Wall -Wextra -Wformat-length=1" } */
|
||||
{ dg-options "-O2 -Wall -Wextra -Wformat-overflow=1" } */
|
||||
|
||||
char d[10];
|
||||
|
||||
|
|
|
|||
|
|
@ -1,7 +1,7 @@
|
|||
/* PR middle-end/78622 - [7 Regression] -Wformat-length/-fprintf-return-value
|
||||
/* PR middle-end/78622 - [7 Regression] -Wformat-overflow/-fprintf-return-value
|
||||
incorrect with overflow/wrapping
|
||||
{ dg-do compile }
|
||||
{ dg-options "-Wformat-length=2" }
|
||||
{ dg-options "-Wformat-overflow=2" }
|
||||
The h and hh length modifiers are a C99 feature (see PR 78959).
|
||||
{ dg-require-effective-target c99_runtime } */
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue