sync code with last improvements from OpenBSD

app/fvwm/libs/ModParse.h

@@ -0,0 +1,76 @@
+#ifndef MODPARSE_H
+#define MODPARSE_H
+/*
+   File:		ModParse.h
+   Date:		Wed Jan 29 21:13:36 1997
+   Author:		Albrecht Kadlec (albrecht)
+
+   Changed 08/30/98 by Dan Espen:
+   - Copied from FvwmEvent/Parse.h.  Set up for general use by modules.
+   Still to be done, try to integrate with Parse.c which is used by fvwm
+   itself for parsing.
+*/
+
+#include <assert.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>                     /* for free() */
+
+char *PeekArgument(const char *pstr);
+char *GetArgument(char **pstr);
+int CmpArgument(const char *pstr,char *tok);
+int MatchArgument(const char *pstr,char *tok);
+#define NukeArgument(pstr) free(GetArgument(pstr))
+
+
+/*
+   function:		FindToken
+   description:		find the entry of type 'struct_entry'
+                        holding 'key' in 'table'
+   returns:		pointer to the matching entry
+                        NULL if not found
+
+   table must be sorted in ascending order for FindToken.
+*/
+
+#define FindToken(key,table,struct_entry)				\
+        (struct_entry *) bsearch(key,					\
+				 (char *)(table), 			\
+				 sizeof(table) / sizeof(struct_entry),	\
+				 sizeof(struct_entry),			\
+				 XCmpToken)
+
+int XCmpToken();    /* (char *s, char **t); but avoid compiler warning */
+                                             /* needed by (L)FindToken */
+
+#if 0
+/* e.g: */
+
+  struct entry			/* these are stored in the table */
+  {    char *token;
+       /* ... */		/* any info */
+  };
+
+  struct entry table[] = { /* ... */ };	/* define entries here */
+
+  char *word = GetArgument( /* ... */);
+  entry_ptr = FindToken(word,table,struct entry);
+
+  (struct token *)bsearch("Style",
+                          (char *)table, sizeof (table)/sizeof (struct entry),
+                          sizeof(struct entry), CmpToken);
+#endif /* 0 */
+
+#if 0
+/* Note that lfind() is not part of the ANSI standard.  This is never used
+ * currently; I think we should just keep it that way...
+ */
+# define LFindToken(key,table,struct_entry)				\
+         (struct_entry *) lfind(key,					\
+				 (char *)(table), 			\
+				 sizeof(table) / sizeof(struct_entry),	\
+				 sizeof(struct_entry),			\
+				 XCmpToken)
+#endif /* 0 */
+
+#endif  /* MODPARSE_H */