1 files changed, 110 insertions, 0 deletions
diff --git a/strutil.c b/strutil.c
new file mode 100644
index 0000000..2160993
--- /dev/null
+++ b/strutil.c
@@ -0,0 +1,110 @@
+/*  dctrl-tools - Debian control file inspection tools
+    Copyright (C) 1999, 2003 Antti-Juhani Kaijanaho
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <ctype.h>
+#include "strutil.h"
+
+const char * left_trimmed(const char * s)
+{
+	const char * p;
+
+	for (p = s; *p != 0 && isspace (*p); p++);
+
+	return p;
+}
+
+void trim_right (char * s) 
+{
+	char * p;
+	char * herep;
+	enum { BLANKS, NONBLANKS } state = NONBLANKS;
+	
+	for (herep = 0, p = s; *p != 0; p++) {
+		switch (state) {
+		case BLANKS:
+			if (!isspace (*p)) {
+				state = NONBLANKS;
+			}
+			break;
+		case NONBLANKS:
+			if (isspace (*p)) {
+				herep = p;
+				state = BLANKS;
+			}
+		}
+	}
+	if (state == BLANKS) *herep = 0;
+}
+
+#ifdef TESTMAIN
+
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+void
+printout (const char * s)
+{
+  printf("\"%s\"\n", s);
+}
+
+int
+main (void)
+{
+  static const char * teststrings [] = { 
+    "autoksiko",
+    " autoksiko",
+    "autoksiko ",
+    " autoksiko ",
+    "autoksiko           teen",
+    "         autoksiko  teen",
+    "autoksiko teen          ",
+    "      autoksiko teen    ",
+    " miljoona miljoona ruusua ",
+    0 };
+  int i;
+
+  for (i = 0; teststrings [i] != 0; i++)
+    {
+      char * ts;
+      char * orig_ts;
+
+      orig_ts = ts = strdup (teststrings [i]);
+      if (ts == 0)
+        exit (EXIT_FAILURE);
+
+      printf ("Plain: ");
+      printout (ts);
+
+      printf ("Left-trimmed: ");
+      printout (left_trimmed (ts));
+
+      printf ("Right-trimmed: ");
+      trim_right (ts);
+      printout (ts);
+
+      printf ("Completely trimmed: ");
+      printout (left_trimmed (ts));
+
+      puts ("");
+      free (orig_ts);
+    }
+  return 0;
+}
+#endif /* TESTMAIN */