Initial revision

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@171 ec53bebd-3082-4978-b11e-865c3cabbd6b

appl/popper/pop_parse.c

@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 1989 Regents of the University of California.
+ * All rights reserved.  The Berkeley software License Agreement
+ * specifies the terms and conditions for redistribution.
+ */
+
+#ifndef lint
+static char copyright[] = "Copyright (c) 1990 Regents of the University of California.\nAll rights reserved.\n";
+static char SccsId[] = "@(#)@(#)pop_parse.c	2.1  2.1 3/18/91";
+#endif not lint
+
+#include <stdio.h>
+#include <sys/types.h>
+#include <ctype.h>
+#include "popper.h"
+
+/* 
+ *  parse:  Parse a raw input line from a POP client 
+ *  into null-delimited tokens
+ */
+
+pop_parse(p,buf)
+POP         *   p;
+char        *   buf;        /*  Pointer to a message containing 
+                                the line from the client */
+{
+    char            *   mp;
+    register int        i;
+    
+    /*  Loop through the POP command array */
+    for (mp = buf, i = 0; ; i++) {
+    
+        /*  Skip leading spaces and tabs in the message */
+        while (isspace(*mp))mp++;
+
+        /*  Are we at the end of the message? */
+        if (*mp == 0) break;
+
+        /*  Have we already obtained the maximum allowable parameters? */
+        if (i >= MAXPARMCOUNT) {
+            pop_msg(p,POP_FAILURE,"Too many arguments supplied.");
+            return(-1);
+        }
+
+        /*  Point to the start of the token */
+        p->pop_parm[i] = mp;
+
+        /*  Search for the first space character (end of the token) */
+        while (!isspace(*mp) && *mp) mp++;
+
+        /*  Delimit the token with a null */
+        if (*mp) *mp++ = 0;
+    }
+
+    /*  Were any parameters passed at all? */
+    if (i == 0) return (-1);
+
+    /*  Convert the first token (POP command) to lower case */
+    pop_lower(p->pop_command);
+
+    /*  Return the number of tokens extracted minus the command itself */
+    return (i-1);
+    
+}