Add st_ino size/sign probes

Work initiated by Tony Cook

18 files changed, 120 insertions, 1 deletions

diff --git a/Configure b/Configure
index f68f0e79e1..74450a95e6 100755
--- a/Configure
+++ b/Configure
@@ -28,7 +28,7 @@
 # See Porting/pumpkin.pod for more information on metaconfig.
 #
 
-# Generated on Sun Jul 31 12:06:46 CEST 2011 [metaconfig 3.5 PL0]
+# Generated on Sun Jul 31 12:11:29 CEST 2011 [metaconfig 3.5 PL0]
 # (with additional metaconfig patches by perlbug@perl.org)
 
 cat >c1$$ <<EOF
@@ -1194,6 +1194,8 @@ shsharp=''
 spitshell=''
 src=''
 ssizetype=''
+st_ino_sign=''
+st_ino_size=''
 startperl=''
 startsh=''
 stdchar=''
@@ -21117,6 +21119,74 @@ EOM
 fi
 $rm_try
 
+: Check the size of st_ino
+$echo " "
+$echo "Checking the size of st_ino..." >&4
+$cat > try.c <<EOCP
+#include <sys/stat.h>
+#include <stdio.h>
+#$i_stdlib I_STDLIB
+#ifdef I_STDLIB
+#include <stdlib.h>
+#endif
+int main() {
+    struct stat st;
+    printf("%d\n", (int)sizeof(st.st_ino));
+    exit(0);
+}
+EOCP
+set try
+if eval $compile_ok; then
+	val=`$run ./try`
+	case "$val" in
+	'')	st_ino_size=4
+		$echo "(I can't execute the test program--guessing $st_ino_size.)" >&4
+		;;
+	*)	st_ino_size=$val
+		$echo "Your st_ino is $st_ino_size bytes long."
+		;;
+	esac
+else
+	st_ino_size=4
+	$echo "(I can't compile the test program--guessing $st_ino_size.)" >&4
+fi
+$rm_try
+
+: Check if st_ino is signed
+$echo " "
+$echo "Checking the sign of st_ino..." >&4
+$cat > try.c <<EOCP
+#include <sys/stat.h>
+#include <stdio.h>
+int main() {
+	struct stat foo;
+        foo.st_ino = -1;
+	if (foo.st_ino < 0)
+		printf("-1\n");
+	else
+		printf("1\n");
+}
+EOCP
+set try
+if eval $compile; then
+	val=`$run ./try`
+	case "$val" in
+	'')	st_ino_sign=1
+		$echo "(I can't execute the test program--guessing unsigned.)" >&4
+		;;
+	*)	st_ino_sign=$val
+		case "$st_ino_sign" in
+		 1) $echo "Your st_ino is unsigned." ;;
+		-1) $echo "Your st_ino is signed."   ;;
+		esac
+		;;
+	esac
+else
+	st_ino_sign=1
+	$echo "(I can't compile the test program--guessing unsigned.)" >&4
+fi
+$rm_try
+
 : see what type of char stdio uses.
 echo " "
 echo '#include <stdio.h>' | $cppstdin $cppminus > stdioh
@@ -23277,6 +23347,8 @@ srand48_r_proto='$srand48_r_proto'
 srandom_r_proto='$srandom_r_proto'
 src='$src'
 ssizetype='$ssizetype'
+st_ino_sign='$st_ino_sign'
+st_ino_size='$st_ino_size'
 startperl='$startperl'
 startsh='$startsh'
 static_ext='$static_ext'
diff --git a/Cross/config.sh-arm-linux b/Cross/config.sh-arm-linux
index 8e72449a02..04624202a7 100644
--- a/Cross/config.sh-arm-linux
+++ b/Cross/config.sh-arm-linux
@@ -977,6 +977,8 @@ stdio_cnt='((fp)->_IO_read_end - (fp)->_IO_read_ptr)'
 stdio_filbuf=''
 stdio_ptr='((fp)->_IO_read_ptr)'
 stdio_stream_array=''
+st_ino_sign='1'
+st_ino_size='4'
 strerror_r_proto='0'
 strings='/usr/include/string.h'
 submit=''
diff --git a/NetWare/config.wc b/NetWare/config.wc
index 2c2d1aafa4..e0cd3005d9 100644
--- a/NetWare/config.wc
+++ b/NetWare/config.wc
@@ -942,6 +942,8 @@ stdio_cnt='((fp)->_cnt)'
 stdio_filbuf=''
 stdio_ptr='((fp)->_ptr)'
 stdio_stream_array=''
+st_ino_sign='1'
+st_ino_size='4'
 strerror_r_proto='0'
 strings='/usr/include/string.h'
 submit=''
diff --git a/Porting/Glossary b/Porting/Glossary
index 1826f818c6..9134dfa1b6 100644
--- a/Porting/Glossary
+++ b/Porting/Glossary
@@ -4750,6 +4750,13 @@ ssizetype (ssizetype.U):
 	of bytes or an error condition.  It must be a signed type.
 	We will pick a type such that sizeof(SSize_t) == sizeof(Size_t).
 
+st_ino_sign (st_ino_def.U):
+	This variable contains the signedness of struct stat's st_ino.
+	1 for unsigned, -1 for signed.
+
+st_ino_size (st_ino_def.U):
+	This variable contains the size of struct stat's st_ino in bytes.
+
 startperl (startperl.U):
 	This variable contains the string to put on the front of a perl
 	script to make sure (hopefully) that it runs with perl and not some
diff --git a/Porting/config.sh b/Porting/config.sh
index 4e3c8d3b13..99a909722f 100644
--- a/Porting/config.sh
+++ b/Porting/config.sh
@@ -999,6 +999,8 @@ stdio_cnt='((fp)->_IO_read_end - (fp)->_IO_read_ptr)'
 stdio_filbuf=''
 stdio_ptr='((fp)->_IO_read_ptr)'
 stdio_stream_array=''
+st_ino_sign='1'
+st_ino_size='4'
 strerror_r_proto='0'
 strings='/usr/include/string.h'
 submit=''
diff --git a/config_h.SH b/config_h.SH
index 2f3e5bdcb3..2903587a8e 100755
--- a/config_h.SH
+++ b/config_h.SH
@@ -4387,6 +4387,16 @@ sed <<!GROK!THIS! >$CONFIG_H -e 's!^#undef\(.*/\)\*!/\*#define\1 \*!' -e 's!^#un
  */
 #define SELECT_MIN_BITS 	$selectminbits	/**/
 
+/* ST_INO_SIZE:
+ *	This variable contains the size of struct stat's st_ino in bytes.
+ */
+/* ST_INO_SIGN:
+ *	This symbol holds the signedess of struct stat's st_ino.
+ *	1 for unsigned, -1 for signed.
+ */
+#define ST_INO_SIGN $st_ino_sign	/* st_ino sign */
+#define ST_INO_SIZE $st_ino_size	/* st_ino size */
+
 /* STARTPERL:
  *	This variable contains the string to put in front of a perl
  *	script to make sure (one hopes) that it runs with perl and not
diff --git a/epoc/config.sh b/epoc/config.sh
index eedc6a8b23..5c7f6d51f1 100644
--- a/epoc/config.sh
+++ b/epoc/config.sh
@@ -858,6 +858,8 @@ stdio_cnt=''
 stdio_filbuf=''
 stdio_ptr=''
 stdio_stream_array=''
+st_ino_sign='1'
+st_ino_size='4'
 strerror_r_proto='0'
 strings=''
 submit=''
diff --git a/metaconfig.h b/metaconfig.h
index 95aba26b87..d445b34391 100644
--- a/metaconfig.h
+++ b/metaconfig.h
@@ -35,6 +35,8 @@
  * LOCALTIME_MAX
  * LOCALTIME_MIN
  * LOCALTIME_R_NEEDS_TZSET
+ * ST_INO_SIGN
+ * ST_INO_SIZE
  * U16SIZE
  * U32SIZE
  * U64SIZE
diff --git a/plan9/config_sh.sample b/plan9/config_sh.sample
index 79d8f555f5..f560115b3e 100644
--- a/plan9/config_sh.sample
+++ b/plan9/config_sh.sample
@@ -948,6 +948,8 @@ stdio_cnt='((fp)->_cnt)'
 stdio_filbuf=''
 stdio_ptr='((fp)->_ptr)'
 stdio_stream_array=''
+st_ino_sign='1'
+st_ino_size='4'
 strerror_r_proto='0'
 strings='/sys/include/ape/string.h'
 submit=''
diff --git a/symbian/config.sh b/symbian/config.sh
index 7e47f6232a..2e531ae34d 100644
--- a/symbian/config.sh
+++ b/symbian/config.sh
@@ -779,6 +779,8 @@ stdio_cnt='((fp)->_IO_read_end - (fp)->_IO_read_ptr)'
 stdio_filbuf=''
 stdio_ptr='((fp)->_IO_read_ptr)'
 stdio_stream_array=''
+st_ino_sign='1'
+st_ino_size='4'
 strerror_r_proto='0'
 targetarch='thumb-symbian'
 timetype=time_t
diff --git a/uconfig.sh b/uconfig.sh
index 5fb50a01a8..1798d0d6d4 100644
--- a/uconfig.sh
+++ b/uconfig.sh
@@ -745,6 +745,8 @@ stdio_cnt='((fp)->_IO_read_end - (fp)->_IO_read_ptr)'
 stdio_filbuf=''
 stdio_ptr='((fp)->_IO_read_ptr)'
 stdio_stream_array=''
+st_ino_sign='1'
+st_ino_size='4'
 strerror_r_proto='0'
 targetarch=''
 timetype=time_t
diff --git a/win32/config.bc b/win32/config.bc
index fe74f6834c..2dc5063838 100644
--- a/win32/config.bc
+++ b/win32/config.bc
@@ -973,6 +973,8 @@ stdio_cnt='((fp)->level)'
 stdio_filbuf=''
 stdio_ptr='((fp)->curp)'
 stdio_stream_array=''
+st_ino_sign='1'
+st_ino_size='4'
 strerror_r_proto='0'
 strings='/usr/include/string.h'
 submit=''
diff --git a/win32/config.ce b/win32/config.ce
index 5f87f64b16..47eeb71968 100644
--- a/win32/config.ce
+++ b/win32/config.ce
@@ -934,6 +934,8 @@ stdio_cnt=''
 stdio_filbuf=''
 stdio_ptr=''
 stdio_stream_array=''
+st_ino_sign='1'
+st_ino_size='4'
 strerror_r_proto='0'
 strings='/usr/include/string.h'
 submit=''
diff --git a/win32/config.gc b/win32/config.gc
index 2c3f9e6b6b..c49a27bfca 100644
--- a/win32/config.gc
+++ b/win32/config.gc
@@ -973,6 +973,8 @@ stdio_cnt='((fp)->_cnt)'
 stdio_filbuf=''
 stdio_ptr='((fp)->_ptr)'
 stdio_stream_array=''
+st_ino_sign='1'
+st_ino_size='4'
 strerror_r_proto='0'
 strings='/usr/include/string.h'
 submit=''
diff --git a/win32/config.gc64 b/win32/config.gc64
index 876bcda720..c883708be8 100644
--- a/win32/config.gc64
+++ b/win32/config.gc64
@@ -974,6 +974,8 @@ stdio_cnt='((fp)->_cnt)'
 stdio_filbuf=''
 stdio_ptr='((fp)->_ptr)'
 stdio_stream_array=''
+st_ino_sign='1'
+st_ino_size='8'
 strerror_r_proto='0'
 strings='/usr/include/string.h'
 submit=''
diff --git a/win32/config.gc64nox b/win32/config.gc64nox
index c70aa96f34..0fe790490d 100644
--- a/win32/config.gc64nox
+++ b/win32/config.gc64nox
@@ -974,6 +974,8 @@ stdio_cnt='((fp)->_cnt)'
 stdio_filbuf=''
 stdio_ptr='((fp)->_ptr)'
 stdio_stream_array=''
+st_ino_sign='1'
+st_ino_size='8'
 strerror_r_proto='0'
 strings='/usr/include/string.h'
 submit=''
diff --git a/win32/config.vc b/win32/config.vc
index 6f4ddace40..3495a2369c 100644
--- a/win32/config.vc
+++ b/win32/config.vc
@@ -973,6 +973,8 @@ stdio_cnt='((fp)->_cnt)'
 stdio_filbuf=''
 stdio_ptr='((fp)->_ptr)'
 stdio_stream_array=''
+st_ino_sign='1'
+st_ino_size='4'
 strerror_r_proto='0'
 strings='/usr/include/string.h'
 submit=''
diff --git a/win32/config.vc64 b/win32/config.vc64
index fd903894da..c9b1cb77cb 100644
--- a/win32/config.vc64
+++ b/win32/config.vc64
@@ -973,6 +973,8 @@ stdio_cnt='((fp)->_cnt)'
 stdio_filbuf=''
 stdio_ptr='((fp)->_ptr)'
 stdio_stream_array=''
+st_ino_sign='1'
+st_ino_size='8'
 strerror_r_proto='0'
 strings='/usr/include/string.h'
 submit=''