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| author | Neil Booth <neilb@earthling.net> | 2000-11-22 20:36:10 +0000 |
|---|---|---|
| committer | Neil Booth <neil@gcc.gnu.org> | 2000-11-22 20:36:10 +0000 |
| commit | 4a5b68a2f743ff0742b64c97bb75e6ee0c3c1471 (patch) | |
| tree | 2ae21a5cad4b86f0223248b6d989593f99c8520f /gcc/cpplex.c | |
| parent | a165f034f9475245783ff7949b28ee3134bcc21a (diff) | |
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cpplex.c (trigraph_ok): Ensure we don't warn twice.
* cpplex.c (trigraph_ok): Ensure we don't warn twice.
* cpplib.h (struct cpp_buffer): New member last_Wtrigraphs.
From-SVN: r37669
Diffstat (limited to 'gcc/cpplex.c')
| -rw-r--r-- | gcc/cpplex.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/gcc/cpplex.c b/gcc/cpplex.c index 96e2454..bec14e7 100644 --- a/gcc/cpplex.c +++ b/gcc/cpplex.c @@ -159,9 +159,13 @@ trigraph_ok (pfile, from_char) "trigraph ??%c converted to %c", (int) from_char, (int) _cpp_trigraph_map[from_char]); - else - cpp_warning_with_line (pfile, buffer->lineno, CPP_BUF_COL (buffer) - 2, - "trigraph ??%c ignored", (int) from_char); + else if (buffer->cur != buffer->last_Wtrigraphs) + { + buffer->last_Wtrigraphs = buffer->cur; + cpp_warning_with_line (pfile, buffer->lineno, + CPP_BUF_COL (buffer) - 2, + "trigraph ??%c ignored", (int) from_char); + } } return accept; |