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| author | Joseph Myers <jsm28@cam.ac.uk> | 2000-10-17 07:52:06 +0100 |
|---|---|---|
| committer | Joseph Myers <jsm28@gcc.gnu.org> | 2000-10-17 07:52:06 +0100 |
| commit | 74ff46299b5d4b97dc736fc77fb3a2618c119e85 (patch) | |
| tree | 0d78db7f736f6806e242f06d781a29dd0b8f8ae2 /gcc/c-decl.c | |
| parent | 1d3b0e2c196a53b8d0e0b8ecabf5b110f666c442 (diff) | |
| download | gcc-74ff46299b5d4b97dc736fc77fb3a2618c119e85.zip gcc-74ff46299b5d4b97dc736fc77fb3a2618c119e85.tar.gz gcc-74ff46299b5d4b97dc736fc77fb3a2618c119e85.tar.bz2 | |
c-common.h (warn_missing_format_attribute): New variable.
* c-common.h (warn_missing_format_attribute): New variable.
* c-decl.c (warn_missing_format_attribute): New variable.
(c_decode_option): Decode -Wmissing-format-attribute and
-Wno-missing-format-attribute.
* c-common.c (check_function_format): If
-Wmissing-format-attribute, give a warning where a vprintf or
vscanf function is called by a function without its own printf or
scanf attribute.
* toplev.c (documented_lang_options): Add
-Wmissing-format-attribute.
* invoke.texi: Document -Wmissing-format-attribute.
cp:
* decl2.c (warn_missing_format_attribute): New variable.
(lang_decode_option): Decode -Wmissing-format-attribute.
testsuite:
* gcc.dg/format-miss-1.c: New test.
From-SVN: r36897
Diffstat (limited to 'gcc/c-decl.c')
| -rw-r--r-- | gcc/c-decl.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/c-decl.c b/gcc/c-decl.c index 419d85f..f95cccc 100644 --- a/gcc/c-decl.c +++ b/gcc/c-decl.c @@ -416,6 +416,10 @@ int warn_cast_qual; int warn_bad_function_cast; +/* Warn about functions which might be candidates for format attributes. */ + +int warn_missing_format_attribute; + /* Warn about traditional constructs whose meanings changed in ANSI C. */ int warn_traditional; @@ -716,6 +720,10 @@ c_decode_option (argc, argv) warn_missing_noreturn = 1; else if (!strcmp (p, "-Wno-missing-noreturn")) warn_missing_noreturn = 0; + else if (!strcmp (p, "-Wmissing-format-attribute")) + warn_missing_format_attribute = 1; + else if (!strcmp (p, "-Wno-missing-format-attribute")) + warn_missing_format_attribute = 0; else if (!strcmp (p, "-Wpointer-arith")) warn_pointer_arith = 1; else if (!strcmp (p, "-Wno-pointer-arith")) |