From: Harlan Stenn <stenn@ntp.org>
Date: Sun, 17 May 2015 06:47:45 +0000 (+0000)
Subject: Initial support for PACKAGE_VERSION tests
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8e129b5a0446abe4bd7fba0ff0eb0a632130a02a;p=thirdparty%2Fntp.git

Initial support for PACKAGE_VERSION tests

bk: 55583991zPzvdvk7tAOa9SLE_KM6Og
---

diff --git a/ChangeLog b/ChangeLog
index c3291e4ea..362d99834 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,7 @@
 ---
+
+* Initial support for PACKAGE_VERSION tests.
+---
 (4.2.8p3-RC1) 2015/05/12 Released by Harlan Stenn <stenn@ntp.org>
 
 * CID 739725: Fix a rare resource leak in libevent/listener.c.
diff --git a/sntp/Makefile.am b/sntp/Makefile.am
index b2a234247..f45f2de5c 100644
--- a/sntp/Makefile.am
+++ b/sntp/Makefile.am
@@ -54,7 +54,7 @@ sbin_PROGRAMS =		@SNTP_DS@
 ##
 
 SUBDIRS = include scripts unity
-DIST_SUBDIRS = include scripts unity
+DIST_SUBDIRS = include libpkgver scripts unity
 
 if BUILD_LIBEVENT
 SUBDIRS += libevent
diff --git a/sntp/libpkgver/colcomp.c b/sntp/libpkgver/colcomp.c
new file mode 100644
index 000000000..4b151e3fa
--- /dev/null
+++ b/sntp/libpkgver/colcomp.c
@@ -0,0 +1,135 @@
+/* COLLATE COMPARE, COMPARES DIGITS NUMERICALLY AND OTHERS IN ASCII */
+
+/*
+ *   Copyright 2001, 2015, Harlan Stenn.  Used by NTP with permission.
+ *
+ *   Author: Harlan Stenn <harlan@pfcs.com>
+ *
+ *   Copying and distribution of this file, with or without modification,
+ *   are permitted in any medium without royalty provided the copyright
+ *   notice and this notice are preserved. This file is offered as-is,
+ *   without any warranty.
+ */
+
+/*
+ * Expected collate order for numeric "pieces" is:
+ * 0 - 9	followed by
+ * 00 - 99	followed by
+ * 000 - 999	followed by
+ * ...
+ */
+
+#include <ctype.h>
+
+/*
+ * Older versions of isdigit() require the argument be isascii()
+ */
+
+#if 0
+# define MyIsDigit(x)	\
+      (isascii ((unsigned char) (x)) && isdigit ((unsigned char) (x)))
+#else
+# define MyIsDigit(x)	isdigit ((unsigned char) (x))
+#endif
+
+
+int 
+colcomp (s1, s2)
+     register char *s1;
+     register char *s2;
+{
+  int hilo = 0;			/* comparison value */
+
+  while (*s1 && *s2)
+    {
+      if  (  MyIsDigit(*s1)
+          && MyIsDigit(*s2))
+	{
+	  hilo = (*s1 < *s2) ? -1 : (*s1 > *s2) ? 1 : 0;
+	  ++s1;
+	  ++s2;
+	  while (MyIsDigit(*s1)
+	     &&  MyIsDigit(*s2))
+	    {
+	      if (!hilo)
+		hilo = (*s1 < *s2) ? -1 : (*s1 > *s2) ? 1 : 0;
+	      ++s1;
+	      ++s2;
+	    }
+	  if (MyIsDigit(*s1))
+	    hilo = 1;		/* s2 is first */
+	  if (MyIsDigit(*s2))
+	    hilo = -1;		/* s1 is first */
+	  if (hilo)
+	    break;
+	  continue;
+	}
+      if (MyIsDigit(*s1))
+	{
+	  hilo = -1;		/* s1 must come first */
+	  break;
+	}
+      if (MyIsDigit(*s2))
+	{
+	  hilo = 1;		/* s2 must come first */
+	  break;
+	}
+      hilo = (*s1 < *s2) ? -1 : (*s1 > *s2) ? 1 : 0;
+      if (hilo)
+	break;
+      ++s1;
+      ++s2;
+    }
+  if (*s1 && *s2)
+    return (hilo);
+  if (hilo)
+    return (hilo);
+  return ((*s1 < *s2) ? -1 : (*s1 > *s2) ? 1 : 0);
+}
+
+#ifdef TEST
+
+#include <stdlib.h>
+
+static int  qcmp(   const void      *fi1,
+                    const void      *fi2)
+{
+    return colcomp(*(char**)fi1, *(char**)fi2);
+}
+
+int main( int argc, char *argv[], char *environ[]) {
+  void *base;
+  size_t nmemb = 0;
+  size_t size = sizeof(char *);
+  char *ca[] = {
+    "999", "0", "10", "1", "01", "100", "010", "99", "00", "001", "099", "9"
+  };
+  char **cp;
+  int i;
+
+  if (argc > 1) {
+    /* Sort use-provided list */
+  } else {
+    base = (void *) ca;
+    nmemb = sizeof ca / size;
+  }
+  printf("argc is <%d>, nmemb = <%d>\n", argc, nmemb);
+
+  printf("Before:\n");
+  cp = (char **)base;
+  for (i = 0; i < nmemb; ++i) {
+    printf("%s\n", *cp++);
+  }
+
+  qsort((void *)base, nmemb, size, qcmp);
+
+  printf("After:\n");
+  cp = (char **)base;
+  for (i = 0; i < nmemb; ++i) {
+    printf("%s\n", *cp++);
+  }
+
+  exit(0);
+}
+
+#endif
diff --git a/sntp/libpkgver/pkgver.h b/sntp/libpkgver/pkgver.h
new file mode 100644
index 000000000..e01c34d55
--- /dev/null
+++ b/sntp/libpkgver/pkgver.h
@@ -0,0 +1,19 @@
+/*
+ * 
+ *   Copyright 2015 Harlan Stenn.  Used by NTP with permission.
+ *
+ *   Author: Harlan Stenn <harlan@pfcs.com>
+ *
+ *   Copying and distribution of this file, with or without modification, are
+ *   permitted in any medium without royalty provided the copyright notice
+ *   and this notice are preserved. This file is offered as-is, without any
+ *   warranty.
+ */
+
+extern int colcomp(char *s1, char *s2);
+
+#define PKG_VER_LT(x)	(colcomp((x), PACKAGE_VERSION) < 0)
+#define PKG_VER_LE(x)	(colcomp((x), PACKAGE_VERSION) <= 0)
+#define PKG_VER_EQ(x)	(colcomp((x), PACKAGE_VERSION) == 0)
+#define PKG_VER_GE(x)	(colcomp((x), PACKAGE_VERSION) >= 0)
+#define PKG_VER_GT(x)	(colcomp((x), PACKAGE_VERSION) > 0)
diff --git a/sntp/unity/Makefile.am b/sntp/unity/Makefile.am
index e5b36b4e2..a5c2a5452 100644
--- a/sntp/unity/Makefile.am
+++ b/sntp/unity/Makefile.am
@@ -6,6 +6,7 @@ CLEANFILES =
 noinst_LIBRARIES = libunity.a
 
 libunity_a_SOURCES =		\
+	../libpkgver/colcomp.c	\
 	unity.c			\
 	unity.h			\
 	unity_internals.h	\