From 638d20652bd82d36495fc024a5a618dfd349969e Mon Sep 17 00:00:00 2001 From: Tristan Gingold Date: Thu, 10 May 2012 08:04:18 +0000 Subject: [PATCH] expr.c (interpret_float_suffix): Add a guard. 2012-05-10 Tristan Gingold * expr.c (interpret_float_suffix): Add a guard. From-SVN: r187364 --- libcpp/ChangeLog | 4 ++++ libcpp/expr.c | 13 +++++++------ 2 files changed, 11 insertions(+), 6 deletions(-) diff --git a/libcpp/ChangeLog b/libcpp/ChangeLog index 7365c4e7beb..07ef2437834 100644 --- a/libcpp/ChangeLog +++ b/libcpp/ChangeLog @@ -1,3 +1,7 @@ +2012-05-10 Tristan Gingold + + * expr.c (interpret_float_suffix): Add a guard. + 2012-05-02 Dodji Seketeli Properly initialize cpp_context in destringize_and_run diff --git a/libcpp/expr.c b/libcpp/expr.c index d56e56a6311..ca1c3d1928a 100644 --- a/libcpp/expr.c +++ b/libcpp/expr.c @@ -110,12 +110,13 @@ interpret_float_suffix (const uchar *s, size_t len) } /* Recognize a fixed-point suffix. */ - switch (s[len-1]) - { - case 'k': case 'K': flags = CPP_N_ACCUM; break; - case 'r': case 'R': flags = CPP_N_FRACT; break; - default: break; - } + if (len != 0) + switch (s[len-1]) + { + case 'k': case 'K': flags = CPP_N_ACCUM; break; + case 'r': case 'R': flags = CPP_N_FRACT; break; + default: break; + } /* Continue processing a fixed-point suffix. The suffix is case insensitive except for ll or LL. Order is significant. */ -- 2.30.2