add new standards subfile

[gnulib.git] / lib / stdlib.in.h

diff --git a/lib/stdlib.in.h b/lib/stdlib.in.h
index c5615b0..f6ebe25 100644 (file)
--- a/lib/stdlib.in.h
+++ b/lib/stdlib.in.h
@@ -41,6 +41,23 @@
 # include <sys/loadavg.h>
 #endif
 
+#if @GNULIB_RANDOM_R@ || !@HAVE_STRUCT_RANDOM_DATA@
+# include <stdint.h>
+#endif
+
+#if !@HAVE_STRUCT_RANDOM_DATA@
+struct random_data
+{
+  int32_t *fptr;               /* Front pointer.  */
+  int32_t *rptr;               /* Rear pointer.  */
+  int32_t *state;              /* Array of state values.  */
+  int rand_type;               /* Type of random number generator.  */
+  int rand_deg;                /* Degree of random number generator.  */
+  int rand_sep;                /* Distance between front and rear.  */
+  int32_t *end_ptr;            /* Pointer behind state table.  */
+};
+#endif
+
 /* The definition of GL_LINK_WARNING is copied here.  */
 
 
@@ -217,6 +234,43 @@ extern int putenv (char *string);
 #endif
 
 
+#if @GNULIB_RANDOM_R@
+# if !@HAVE_RANDOM_R@
+
+#  ifndef RAND_MAX
+#   define RAND_MAX 2147483647
+#  endif
+
+int srandom_r (unsigned int seed, struct random_data *rand_state);
+int initstate_r (unsigned int seed, char *buf, size_t buf_size,
+                struct random_data *rand_state);
+int setstate_r (char *arg_state, struct random_data *rand_state);
+int random_r (struct random_data *buf, int32_t *result);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef random_r
+# define random_r(b,r)                           \
+    (GL_LINK_WARNING ("random_r is unportable - " \
+                      "use gnulib module random_r for portability"), \
+     random_r (b,r))
+# undef initstate_r
+# define initstate_r(s,b,sz,r)                      \
+    (GL_LINK_WARNING ("initstate_r is unportable - " \
+                      "use gnulib module random_r for portability"), \
+     initstate_r (s,b,sz,r))
+# undef srandom_r
+# define srandom_r(s,r)                                   \
+    (GL_LINK_WARNING ("srandom_r is unportable - " \
+                      "use gnulib module random_r for portability"), \
+     srandom_r (s,r))
+# undef setstate_r
+# define setstate_r(a,r)                                   \
+    (GL_LINK_WARNING ("setstate_r is unportable - " \
+                      "use gnulib module random_r for portability"), \
+     setstate_r (a,r))
+#endif
+
+
 #if @GNULIB_RPMATCH@
 # if !@HAVE_RPMATCH@
 /* Test a user response to a question.