Merged jnlib into common.

common/strlist.c

@@ -0,0 +1,204 @@
+/* strlist.c -  string helpers
+ * Copyright (C) 1998, 2000, 2001, 2006 Free Software Foundation, Inc.
+ *
+ * This file is part of JNLIB.
+ *
+ * JNLIB is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 3 of
+ * the License, or (at your option) any later version.
+ *
+ * JNLIB 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+#include <ctype.h>
+
+#include "libjnlib-config.h"
+#include "strlist.h"
+#ifdef JNLIB_NEED_UTF8CONV
+#include "utf8conv.h"
+#endif
+
+void
+free_strlist( strlist_t sl )
+{
+    strlist_t sl2;
+
+    for(; sl; sl = sl2 ) {
+	sl2 = sl->next;
+	jnlib_free(sl);
+    }
+}
+
+
+/* Add STRING to the LIST at the front.  This function terminates the
+   process on memory shortage.  */
+strlist_t
+add_to_strlist( strlist_t *list, const char *string )
+{
+    strlist_t sl;
+
+    sl = jnlib_xmalloc( sizeof *sl + strlen(string));
+    sl->flags = 0;
+    strcpy(sl->d, string);
+    sl->next = *list;
+    *list = sl;
+    return sl;
+}
+
+
+/* Add STRING to the LIST at the front.  This function returns NULL
+   and sets ERRNO on memory shortage.  */
+strlist_t
+add_to_strlist_try (strlist_t *list, const char *string)
+{
+  strlist_t sl;
+  
+  sl = jnlib_malloc (sizeof *sl + strlen (string));
+  if (sl)
+    {
+      sl->flags = 0;
+      strcpy (sl->d, string);
+      sl->next = *list;
+      *list = sl;
+    }
+  return sl;
+}
+
+
+/* Same as add_to_strlist() but if IS_UTF8 is *not* set, a conversion
+   to UTF-8 is done.  This function terminates the process on memory
+   shortage.  */
+#ifdef JNLIB_NEED_UTF8CONV
+strlist_t
+add_to_strlist2( strlist_t *list, const char *string, int is_utf8 )
+{
+  strlist_t sl;
+  
+  if (is_utf8)
+    sl = add_to_strlist( list, string );
+  else 
+    {
+      char *p = native_to_utf8( string );
+      sl = add_to_strlist( list, p );
+      jnlib_free ( p );
+    }
+  return sl;
+}
+#endif /* JNLIB_NEED_UTF8CONV*/
+
+
+/* Add STRING to the LIST at the end.  This function terminates the
+   process on memory shortage.  */
+strlist_t
+append_to_strlist( strlist_t *list, const char *string )
+{
+    strlist_t r, sl;
+
+    sl = jnlib_xmalloc( sizeof *sl + strlen(string));
+    sl->flags = 0;
+    strcpy(sl->d, string);
+    sl->next = NULL;
+    if( !*list )
+	*list = sl;
+    else {
+	for( r = *list; r->next; r = r->next )
+	    ;
+	r->next = sl;
+    }
+    return sl;
+}
+
+
+#ifdef JNLIB_NEED_UTF8CONV
+strlist_t
+append_to_strlist2( strlist_t *list, const char *string, int is_utf8 )
+{
+  strlist_t sl;
+    
+  if( is_utf8 )
+    sl = append_to_strlist( list, string );
+  else
+    {
+      char *p = native_to_utf8 (string);
+      sl = append_to_strlist( list, p );
+      jnlib_free( p );
+    }
+  return sl;
+}
+#endif /* JNLIB_NEED_UTF8CONV */
+
+
+/* Return a copy of LIST.  This function terminates the process on
+   memory shortage.*/
+strlist_t
+strlist_copy (strlist_t list)
+{
+  strlist_t newlist = NULL, sl, *last;
+
+  last = &newlist;
+  for (; list; list = list->next)
+    {
+      sl = jnlib_xmalloc (sizeof *sl + strlen (list->d));
+      sl->flags = list->flags;
+      strcpy(sl->d, list->d);
+      sl->next = NULL;
+      *last = sl;
+      last = &sl;
+    }
+  return newlist;
+}
+
+
+
+strlist_t
+strlist_prev( strlist_t head, strlist_t node )
+{
+    strlist_t n;
+
+    for(n=NULL; head && head != node; head = head->next )
+	n = head;
+    return n;
+}
+
+strlist_t
+strlist_last( strlist_t node )
+{
+    if( node )
+	for( ; node->next ; node = node->next )
+	    ;
+    return node;
+}
+
+
+/* Remove the first item from LIST and return its content in an
+   allocated buffer.  This function terminates the process on memory
+   shortage.  */
+char *
+strlist_pop (strlist_t *list)
+{
+  char *str=NULL;
+  strlist_t sl=*list;
+
+  if(sl)
+    {
+      str=jnlib_xmalloc(strlen(sl->d)+1);
+      strcpy(str,sl->d);
+
+      *list=sl->next;
+      jnlib_free(sl);
+    }
+
+  return str;
+}
+