From c0394c26f80ec2f05728ab04cd7f21cfe90a3fcc Mon Sep 17 00:00:00 2001
From: cpickett <cpickett@64e312b2-a51f-0410-8e61-82d0ca0eb02a>
Date: Tue, 30 Dec 2008 01:37:21 +0000
Subject: [PATCH] * only check for those functions that we currently need to
 check for   to solve portability problems, and avoid checking for things
 where   we don't currently use the result generated in config.h * add stubs
 for setenv, unsetenv, localtime_r, and fileno

git-svn-id: svn+ssh://svn.code.sf.net/p/check/code/trunk@481 64e312b2-a51f-0410-8e61-82d0ca0eb02a
---
 configure.ac      |  7 ++-----
 lib/fileno.c      |  0
 lib/libcompat.h   | 22 +++++++++++++++++++---
 lib/localtime_r.c |  0
 lib/setenv.c      |  0
 lib/unsetenv.c    |  0
 6 files changed, 21 insertions(+), 8 deletions(-)
 create mode 100644 lib/fileno.c
 create mode 100644 lib/localtime_r.c
 create mode 100644 lib/setenv.c
 create mode 100644 lib/unsetenv.c

diff --git a/configure.ac b/configure.ac
index 364d413..1c1569d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -115,13 +115,10 @@ AC_CHECK_SIZEOF(short, 2)
 AC_CHECK_SIZEOF(long, 4)
 
 # Checks for library functions.
-AC_FUNC_FORK
 AC_FUNC_MALLOC
 AC_FUNC_REALLOC
-AC_FUNC_STRFTIME
-AC_FUNC_VPRINTF
-AC_CHECK_FUNCS([alarm gettimeofday localtime_r memmove memset putenv setenv strerror strrchr strstr])
-AC_REPLACE_FUNCS([sleep strdup strsignal])
+AC_REPLACE_FUNCS([fileno localtime_r setenv sleep strdup strsignal unsetenv])
+AC_CHECK_DECLS([fileno, localtime_r, malloc, realloc, setenv, sleep, strdup, strsignal, unsetenv])
 
 # Output files
 AC_CONFIG_HEADERS([config.h])
diff --git a/lib/fileno.c b/lib/fileno.c
new file mode 100644
index 0000000..e69de29
diff --git a/lib/libcompat.h b/lib/libcompat.h
index f57dfa0..18cd5bb 100644
--- a/lib/libcompat.h
+++ b/lib/libcompat.h
@@ -7,25 +7,41 @@
 /* defines size_t */
 #include <sys/types.h>
 
+#if !HAVE_FILENO
+int fileno(FILE *stream);
+#endif /* !HAVE_FILENO */
+
+#if !HAVE_LOCALTIME_R
+struct tm *localtime_r(const time_t *clock, struct tm *result);
+#endif /* !HAVE_LOCALTIME_R */
+
 #if !HAVE_MALLOC
-void *rpl_malloc (size_t n)
+void *rpl_malloc (size_t n);
 #endif /* !HAVE_MALLOC */
 
 #if !HAVE_REALLOC
-void *rpl_realloc (void *p, size_t n)
+void *rpl_realloc (void *p, size_t n);
 #endif /* !HAVE_REALLOC */
 
+#if !HAVE_SETENV
+int setenv(const char *name, const char *value, int overwrite);
+#endif /* !HAVE_SETENV */
+
 #if !HAVE_SLEEP
 unsigned int sleep (unsigned int seconds);
 #endif /* !HAVE_SLEEP */
 
 #if !HAVE_STRDUP
-char *strdup (const char *str)
+char *strdup (const char *str);
 #endif /* !HAVE_STRDUP */
 
 #if !HAVE_STRSIGNAL
 const char *strsignal(int sig);
 #endif /* !HAVE_STRSIGNAL */
 
+#if !HAVE_UNSETENV
+void unsetenv(const char *name);
+#endif /* !HAVE_UNSETENV */
+
 /* silence warnings about an empty library */
 void ck_do_nothing (void);
diff --git a/lib/localtime_r.c b/lib/localtime_r.c
new file mode 100644
index 0000000..e69de29
diff --git a/lib/setenv.c b/lib/setenv.c
new file mode 100644
index 0000000..e69de29
diff --git a/lib/unsetenv.c b/lib/unsetenv.c
new file mode 100644
index 0000000..e69de29
-- 
2.49.0