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| author | wilson <wilson@138bc75d-0d04-0410-961f-82ee72b054a4> | 1993-12-10 20:41:43 +0000 |
|---|---|---|
| committer | wilson <wilson@138bc75d-0d04-0410-961f-82ee72b054a4> | 1993-12-10 20:41:43 +0000 |
| commit | cb31c196547a4d7f50a29233617bc8d8e4306fcb (patch) | |
| tree | 6b26074ce663a5644a4c843e5b48d46312d51d9f /gcc/c-lex.c | |
| parent | f1d214332f7bd57d0ebd97c5580f01e4fda46558 (diff) | |
| download | ppe42-gcc-cb31c196547a4d7f50a29233617bc8d8e4306fcb.tar.gz ppe42-gcc-cb31c196547a4d7f50a29233617bc8d8e4306fcb.zip | |
(yylex): When reading malformed floating point constant,
avoid printing error more than once, and avoid passing malformed
number to subsequent atof call.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@6201 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/c-lex.c')
| -rw-r--r-- | gcc/c-lex.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/gcc/c-lex.c b/gcc/c-lex.c index 98a9f83b0e4..b644d23177a 100644 --- a/gcc/c-lex.c +++ b/gcc/c-lex.c @@ -1330,10 +1330,16 @@ yylex () { if (base == 16) error ("floating constant may not be in radix 16"); - if (floatflag == AFTER_POINT) + if (floatflag == TOO_MANY_POINTS) + /* We have already emitted an error. Don't need another. */ + ; + else if (floatflag == AFTER_POINT) { error ("malformed floating constant"); floatflag = TOO_MANY_POINTS; + /* Avoid another error from atof by forcing all characters + from here on to be ignored. */ + p[-1] = '\0'; } else floatflag = AFTER_POINT; |
