diff options
| -rw-r--r-- | ChangeLog | 9 | ||||
| -rw-r--r-- | common.mk | 1 | ||||
| -rw-r--r-- | configure.in | 2 | ||||
| -rw-r--r-- | include/ruby/missing.h | 4 | ||||
| -rw-r--r-- | random.c | 2 |
5 files changed, 17 insertions, 1 deletions
@@ -1,3 +1,12 @@ +Sun Oct 18 17:26:53 2015 KOSAKI Motohiro <[email protected]> + + * missing/explicit_bzero.c: new file. define explicit_bzero. + * common.mk: add a rule for explicit.o. + * configure.in: detect explicit_bzero and memset_s. + * include/ruby/missing.h: add explicit_bzero. + * random.c (init_randomseed): use explicit_bzero() instead of + memset(). memset could be eliminated by compiler optimization. + Mon Nov 30 18:46:44 2015 NARUSE, Yui <[email protected]> * ext/readline/extconf.rb: call dir_config("libedit") @@ -705,6 +705,7 @@ alloca.$(OBJEXT): {$(VPATH)}alloca.c {$(VPATH)}config.h crypt.$(OBJEXT): {$(VPATH)}crypt.c dup2.$(OBJEXT): {$(VPATH)}dup2.c erf.$(OBJEXT): {$(VPATH)}erf.c +explicit_bzero.$(OBJEXT): {$(VPATH)}explicit_bzero.c finite.$(OBJEXT): {$(VPATH)}finite.c flock.$(OBJEXT): {$(VPATH)}flock.c memcmp.$(OBJEXT): {$(VPATH)}memcmp.c diff --git a/configure.in b/configure.in index 8d36819671..09f0cbe7a6 100644 --- a/configure.in +++ b/configure.in @@ -2127,6 +2127,7 @@ AC_REPLACE_FUNCS(cbrt) AC_REPLACE_FUNCS(crypt) AC_REPLACE_FUNCS(dup2) AC_REPLACE_FUNCS(erf) +AC_REPLACE_FUNCS(explicit_bzero) AC_REPLACE_FUNCS(ffs) AC_REPLACE_FUNCS(finite) AC_REPLACE_FUNCS(flock) @@ -2255,6 +2256,7 @@ AC_CHECK_FUNCS(malloc_usable_size) AC_CHECK_FUNCS(malloc_size) AC_CHECK_FUNCS(mblen) AC_CHECK_FUNCS(memalign) +AC_CHECK_FUNCS(memset_s) AC_CHECK_FUNCS(writev) AC_CHECK_FUNCS(memrchr) AC_CHECK_FUNCS(memmem) diff --git a/include/ruby/missing.h b/include/ruby/missing.h index d12f496c18..24156bf343 100644 --- a/include/ruby/missing.h +++ b/include/ruby/missing.h @@ -242,6 +242,10 @@ RUBY_EXTERN int ruby_close(int); RUBY_EXTERN void setproctitle(const char *fmt, ...); #endif +#ifndef HAVE_EXPLICIT_BZERO +RUBY_EXTERN void explicit_bzero(void *b, size_t len); +#endif + RUBY_SYMBOL_EXPORT_END #if defined(__cplusplus) @@ -1456,7 +1456,7 @@ init_randomseed(struct MT *mt, uint32_t initial[DEFAULT_SEED_CNT]) fill_random_seed(initial); init_by_array(mt, initial, DEFAULT_SEED_CNT); seed = make_seed_value(initial); - memset(initial, 0, DEFAULT_SEED_LEN); + explicit_bzero(initial, DEFAULT_SEED_LEN); return seed; } |