diff options
Diffstat (limited to 'ext/fiddle/handle.c')
| -rw-r--r-- | ext/fiddle/handle.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/ext/fiddle/handle.c b/ext/fiddle/handle.c index 4bb402bdfa..7cf6745cc7 100644 --- a/ext/fiddle/handle.c +++ b/ext/fiddle/handle.c @@ -1,6 +1,8 @@ #include <ruby.h> #include <fiddle.h> +#define SafeStringValueCStr(v) (rb_check_safe_obj(rb_string_value(&v)), StringValueCStr(v)) + VALUE rb_cHandle; struct dl_handle { @@ -135,11 +137,11 @@ rb_fiddle_handle_initialize(int argc, VALUE argv[], VALUE self) cflag = RTLD_LAZY | RTLD_GLOBAL; break; case 1: - clib = NIL_P(lib) ? NULL : StringValuePtr(lib); + clib = NIL_P(lib) ? NULL : SafeStringValueCStr(lib); cflag = RTLD_LAZY | RTLD_GLOBAL; break; case 2: - clib = NIL_P(lib) ? NULL : StringValuePtr(lib); + clib = NIL_P(lib) ? NULL : SafeStringValueCStr(lib); cflag = NUM2INT(flag); break; default: @@ -255,7 +257,7 @@ rb_fiddle_handle_to_i(VALUE self) return PTR2NUM(fiddle_handle); } -static VALUE fiddle_handle_sym(void *handle, const char *symbol); +static VALUE fiddle_handle_sym(void *handle, VALUE symbol); /* * Document-method: sym @@ -274,7 +276,7 @@ rb_fiddle_handle_sym(VALUE self, VALUE sym) rb_raise(rb_eFiddleError, "closed handle"); } - return fiddle_handle_sym(fiddle_handle->ptr, StringValueCStr(sym)); + return fiddle_handle_sym(fiddle_handle->ptr, sym); } #ifndef RTLD_NEXT @@ -297,11 +299,11 @@ rb_fiddle_handle_sym(VALUE self, VALUE sym) static VALUE rb_fiddle_handle_s_sym(VALUE self, VALUE sym) { - return fiddle_handle_sym(RTLD_NEXT, StringValueCStr(sym)); + return fiddle_handle_sym(RTLD_NEXT, sym); } static VALUE -fiddle_handle_sym(void *handle, const char *name) +fiddle_handle_sym(void *handle, VALUE symbol) { #if defined(HAVE_DLERROR) const char *err; @@ -310,6 +312,7 @@ fiddle_handle_sym(void *handle, const char *name) # define CHECK_DLERROR #endif void (*func)(); + const char *name = SafeStringValueCStr(symbol); rb_secure(2); #ifdef HAVE_DLERROR @@ -359,7 +362,7 @@ fiddle_handle_sym(void *handle, const char *name) } #endif if( !func ){ - rb_raise(rb_eFiddleError, "unknown symbol \"%s\"", name); + rb_raise(rb_eFiddleError, "unknown symbol \"%"PRIsVALUE"\"", symbol); } return PTR2NUM(func); |