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Another patch (warning)


From: Bruce Korb
Subject: Another patch (warning)
Date: Wed, 20 Jun 2018 12:34:03 -0700

diff --git a/lib/random_r.c b/lib/random_r.c
index 697ca5f..cd2537a 100644
--- a/lib/random_r.c
+++ b/lib/random_r.c
@@ -286,7 +286,7 @@ __initstate_r (unsigned int seed, char *arg_state, size_t n,
  buf->rand_type = type;
  buf->rand_sep = separation;
  buf->rand_deg = degree;
-  state = &((int32_t *) arg_state)[1];  /* First location.  */
+  state = &((int32_t *) (unsigned long) arg_state)[1];  /* First location.  */
  /* Must set END_PTR before srandom.  */
  buf->end_ptr = &state[degree];

@@ -318,7 +318,7 @@ weak_alias (__initstate_r, initstate_r)
int
__setstate_r (char *arg_state, struct random_data *buf)
{
-  int32_t *new_state = 1 + (int32_t *) arg_state;
+  int32_t *new_state = 1 + (int32_t *) (unsigned long) arg_state;
  int type;
  int old_type;
  int32_t *old_state;



libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -g -O2 -Wcast-align -Wmissing-prototypes -Wpointer-arith -Wshadow -Wstrict-prototypes -Wwrite-strings -Wno-format -fno-strict-aliasing -Wstrict-aliasing=2 -MT random_r.lo -MD -MP -MF .deps/random_r.Tpo -c random_r.c  -fno-common -DPIC -o .libs/random_r.o
random_r.c:289:13: warning: cast from 'char *' to 'int32_t *' (aka 'int *') increases required alignment from 1 to 4
      [-Wcast-align]
  state = &((int32_t *) arg_state)[1];  /* First location.  */
            ^~~~~~~~~~~~~~~~~~~~~
random_r.c:321:28: warning: cast from 'char *' to 'int32_t *' (aka 'int *') increases required alignment from 1 to 4
      [-Wcast-align]
  int32_t *new_state = 1 + (int32_t *) arg_state;
                           ^~~~~~~~~~~~~~~~~~~~~
2 warnings generated.

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