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| author | Richard Stallman <rms@gnu.org> | 1993-08-14 03:22:24 +0000 |
|---|---|---|
| committer | Richard Stallman <rms@gnu.org> | 1993-08-14 03:22:24 +0000 |
| commit | 0bc9c2526844e064f4f032d0de56164a7c44581f (patch) | |
| tree | e47a03251028a29b33770bb7ab76844845ac86b9 /gcc | |
| parent | 34a25822f31ebd055230c65e3b5fba3044c62558 (diff) | |
| download | gcc-0bc9c2526844e064f4f032d0de56164a7c44581f.zip gcc-0bc9c2526844e064f4f032d0de56164a7c44581f.tar.gz gcc-0bc9c2526844e064f4f032d0de56164a7c44581f.tar.bz2 | |
(check_format): For scan of "%["...
(check_format): For scan of "%[", skip over scan set
til closing ']' to avoid processing it as ordinary format characters.
From-SVN: r5160
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/c-typeck.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/c-typeck.c b/gcc/c-typeck.c index 2088f00..0479965 100644 --- a/gcc/c-typeck.c +++ b/gcc/c-typeck.c @@ -1716,6 +1716,21 @@ check_format (info, params) format_char); warning (message); } + if (info->is_scan && format_char == '[') + { + /* Skip over scan set, in case it happens to have '%' in it. */ + if (*format_chars == '^') + ++format_chars; + /* Find closing bracket; if one is hit immediately, then + it's part of the scan set rather than a terminator. */ + if (*format_chars == ']') + ++format_chars; + while (*format_chars && *format_chars != ']') + ++format_chars; + if (*format_chars != ']') + /* The end of the format string was reached. */ + warning ("no closing `]' for `%%[' format"); + } if (suppressed) { if (index (fci->flag_chars, '*') == 0) |