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| author | msebor <msebor@138bc75d-0d04-0410-961f-82ee72b054a4> | 2016-09-21 01:39:27 +0000 |
|---|---|---|
| committer | msebor <msebor@138bc75d-0d04-0410-961f-82ee72b054a4> | 2016-09-21 01:39:27 +0000 |
| commit | b9833bfd04471afa17cd52aedd911e4671bdd82a (patch) | |
| tree | 31a2a49deedcccbfcfdac5857b76449a9235f4a1 /gcc/print-tree.c | |
| parent | 57d3d9b2b80228480a17f7133a570e142c4e27c1 (diff) | |
| download | gcc-b9833bfd04471afa17cd52aedd911e4671bdd82a.tar.gz | |
PR middle-end/49905 - Better sanity checking on sprintf src & dest to
gcc/ChangeLog:
PR middle-end/49905
* Makefile.in (OBJS): Add gimple-ssa-sprintf.o.
* config/linux.h (TARGET_PRINTF_POINTER_FORMAT): Redefine.
* config/linux.c (gnu_libc_printf_pointer_format): New function.
* config/sol2.h (TARGET_PRINTF_POINTER_FORMAT): Same.
* config/sol2.c (solaris_printf_pointer_format): New function.
* doc/invoke.texi (-Wformat-length, -fprintf-return-value): New
options.
* doc/tm.texi.in (TARGET_PRINTF_POINTER_FORMAT): Document.
* doc/tm.texi: Regenerate.
* gimple-fold.h (get_range_strlen): New function.
(get_maxval_strlen): Declare existing function.
* gimple-fold.c (get_range_strlen): Add arguments and compute both
maximum and minimum.
(get_range_strlen): Define overload.
(get_maxval_strlen): Adjust.
* gimple-ssa-sprintf.c: New file and pass.
* passes.def (pass_sprintf_length): Add new pass.
* targhooks.h (default_printf_pointer_format): Declare new function.
(gnu_libc_printf_pointer_format): Same.
(solaris_libc_printf_pointer_format): Same.
* targhooks.c (default_printf_pointer_format): Define new function.
* tree-pass.h (make_pass_sprintf_length): Declare new function.
* print-tree.c: Increase buffer size.
gcc/c-family/ChangeLog:
PR middle-end/49905
* c.opt: Add -Wformat-length and -fprintf-return-value.
gcc/testsuite/ChangeLog:
PR middle-end/49905
* gcc.dg/builtin-stringop-chk-1.c: Adjust.
* gcc.dg/tree-ssa/builtin-sprintf-warn-1.c: New test.
* gcc.dg/tree-ssa/builtin-sprintf-warn-2.c: New test.
* gcc.dg/tree-ssa/builtin-sprintf-warn-3.c: New test.
* gcc.dg/tree-ssa/builtin-sprintf-warn-4.c: New test.
* gcc.dg/tree-ssa/builtin-sprintf.c: New test.
* gcc.dg/tree-ssa/builtin-sprintf-2.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@240298 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/print-tree.c')
| -rw-r--r-- | gcc/print-tree.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/print-tree.c b/gcc/print-tree.c index e55b6bd6fb6..60957f95259 100644 --- a/gcc/print-tree.c +++ b/gcc/print-tree.c @@ -769,7 +769,8 @@ print_node (FILE *file, const char *prefix, tree node, int indent) case VECTOR_CST: { - char buf[10]; + /* Big enough for 2 UINT_MAX plus the string below. */ + char buf[32]; unsigned i; for (i = 0; i < VECTOR_CST_NELTS (node); ++i) |