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authorYukihiro Matsumoto <[email protected]>2012-07-04 17:12:47 +0900
committerYukihiro Matsumoto <[email protected]>2012-07-04 17:12:47 +0900
commit472847adc24f10e30ef5ff09814cf12d6a3d372a (patch)
treed6e03705349448682b17c2acd13457d2fc508ac5 /src/codegen.c
parentf141ae42c0ad52ef37694ae195f5841ea2678b4f (diff)
downloadmruby-472847adc24f10e30ef5ff09814cf12d6a3d372a.tar.gz
mruby-472847adc24f10e30ef5ff09814cf12d6a3d372a.zip
input cast to unsigned char for unqualified tolower(); close #342
Diffstat (limited to 'src/codegen.c')
-rw-r--r--src/codegen.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/codegen.c b/src/codegen.c
index 2654fcbe3..8aef2a328 100644
--- a/src/codegen.c
+++ b/src/codegen.c
@@ -802,8 +802,9 @@ readint_float(codegen_scope *s, const char *p, int base)
mrb_float f = 0;
int n;
- while (p <= e) {
- char c = tolower(*p);
+ while (p < e) {
+ char c = *p;
+ c = tolower((unsigned char)c);
for (n=0; n<base; n++) {
if (mrb_digitmap[n] == c) {
f *= base;