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| author | Dave Brolley <brolley@cygnus.com> | 1998-07-27 12:51:56 +0000 |
|---|---|---|
| committer | Dave Brolley <brolley@gcc.gnu.org> | 1998-07-27 08:51:56 -0400 |
| commit | 45e0984cdb0375ae04482f53c930530cab7e16b2 (patch) | |
| tree | f5c709a0172aa57e4f3fe5122348e354743a9a46 | |
| parent | ea6c1142846219717fa78ee9f030b841e7f4b52b (diff) | |
| download | gcc-45e0984cdb0375ae04482f53c930530cab7e16b2.zip gcc-45e0984cdb0375ae04482f53c930530cab7e16b2.tar.gz gcc-45e0984cdb0375ae04482f53c930530cab7e16b2.tar.bz2 | |
c-lex.c (yylex): Fix boundary conditions in character literal and string literal loops.
Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
* c-lex.c (yylex): Fix boundary conditions in character literal and
string literal loops.
From-SVN: r21413
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/c-lex.c | 10 |
2 files changed, 10 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index a325bad..cf87be4 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com> + + * c-lex.c (yylex): Fix boundary conditions in character literal and + string literal loops. + Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com> * longlong.h (count_leading_zeros): Sparclite scan instruction was diff --git a/gcc/c-lex.c b/gcc/c-lex.c index f4f4a12..69055f4 100644 --- a/gcc/c-lex.c +++ b/gcc/c-lex.c @@ -1994,7 +1994,7 @@ yylex () int char_len = -1; for (i = 0; i < longest_char; ++i) { - if (p + i == token_buffer + maxtoken) + if (p + i >= token_buffer + maxtoken) p = extend_token_buffer (p); p[i] = c; @@ -2031,7 +2031,7 @@ yylex () unsigned bytemask = (1 << width) - 1; int byte; - if (p + WCHAR_BYTES >= token_buffer + maxtoken) + if (p + WCHAR_BYTES > token_buffer + maxtoken) p = extend_token_buffer (p); for (byte = 0; byte < WCHAR_BYTES; ++byte) @@ -2050,7 +2050,7 @@ yylex () } else { - if (p == token_buffer + maxtoken) + if (p >= token_buffer + maxtoken) p = extend_token_buffer (p); *p++ = c; } @@ -2063,14 +2063,14 @@ yylex () or with a wide zero. */ if (wide_flag) { - if (p + WCHAR_BYTES >= token_buffer + maxtoken) + if (p + WCHAR_BYTES > token_buffer + maxtoken) p = extend_token_buffer (p); bzero (p, WCHAR_BYTES); p += WCHAR_BYTES; } else { - if (p == token_buffer + maxtoken) + if (p >= token_buffer + maxtoken) p = extend_token_buffer (p); *p++ = 0; } |