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domacro.c revision 1.16 
      1 /*	$NetBSD: domacro.c,v 1.16 2000/05/01 10:35:17 lukem Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1985, 1993, 1994
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by the University of
     18  *	California, Berkeley and its contributors.
     19  * 4. Neither the name of the University nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  */
     35 
     36 #include <sys/cdefs.h>
     37 #ifndef lint
     38 #if 0
     39 static char sccsid[] = "@(#)domacro.c	8.3 (Berkeley) 4/2/94";
     40 #else
     41 __RCSID("$NetBSD: domacro.c,v 1.16 2000/05/01 10:35:17 lukem Exp $");
     42 #endif
     43 #endif /* not lint */
     44 
     45 #include <ctype.h>
     46 #include <stdio.h>
     47 #include <string.h>
     48 
     49 #include "ftp_var.h"
     50 
     51 void
     52 domacro(int argc, char *argv[])
     53 {
     54 	int i, j, count = 2, loopflg = 0;
     55 	char *cp1, *cp2, line2[200];
     56 	struct cmd *c;
     57 
     58 	if ((argc == 0 && argv != NULL) ||
     59 	    (argc < 2 && !another(&argc, &argv, "macro name"))) {
     60 		fprintf(ttyout, "usage: %s macro_name [args]\n", argv[0]);
     61 		code = -1;
     62 		return;
     63 	}
     64 	for (i = 0; i < macnum; ++i) {
     65 		if (!strncmp(argv[1], macros[i].mac_name, 9)) {
     66 			break;
     67 		}
     68 	}
     69 	if (i == macnum) {
     70 		fprintf(ttyout, "'%s' macro not found.\n", argv[1]);
     71 		code = -1;
     72 		return;
     73 	}
     74 	(void)strcpy(line2, line);
     75 TOP:
     76 	cp1 = macros[i].mac_start;
     77 	while (cp1 != macros[i].mac_end) {
     78 		while (isspace((unsigned char)*cp1)) {
     79 			cp1++;
     80 		}
     81 		cp2 = line;
     82 		while (*cp1 != '\0') {
     83 		      switch(*cp1) {
     84 			    case '\\':
     85 				 *cp2++ = *++cp1;
     86 				 break;
     87 			    case '$':
     88 				 if (isdigit((unsigned char)*(cp1+1))) {
     89 				    j = 0;
     90 				    while (isdigit((unsigned char)*++cp1)) {
     91 					  j = 10*j +  *cp1 - '0';
     92 				    }
     93 				    cp1--;
     94 				    if (argc - 2 >= j) {
     95 					(void)strcpy(cp2, argv[j+1]);
     96 					cp2 += strlen(argv[j+1]);
     97 				    }
     98 				    break;
     99 				 }
    100 				 if (*(cp1+1) == 'i') {
    101 					loopflg = 1;
    102 					cp1++;
    103 					if (count < argc) {
    104 					   (void)strcpy(cp2, argv[count]);
    105 					   cp2 += strlen(argv[count]);
    106 					}
    107 					break;
    108 				}
    109 				/* intentional drop through */
    110 			    default:
    111 				*cp2++ = *cp1;
    112 				break;
    113 		      }
    114 		      if (*cp1 != '\0') {
    115 			 cp1++;
    116 		      }
    117 		}
    118 		*cp2 = '\0';
    119 		makeargv();
    120 		c = getcmd(margv[0]);
    121 		if (c == (struct cmd *)-1) {
    122 			fputs("?Ambiguous command.\n", ttyout);
    123 			code = -1;
    124 		}
    125 		else if (c == 0) {
    126 			fputs("?Invalid command.\n", ttyout);
    127 			code = -1;
    128 		}
    129 		else if (c->c_conn && !connected) {
    130 			fputs("Not connected.\n", ttyout);
    131 			code = -1;
    132 		}
    133 		else {
    134 			if (verbose) {
    135 				fputs(line, ttyout);
    136 				putc('\n', ttyout);
    137 			}
    138 			(*c->c_handler)(margc, margv);
    139 			if (bell && c->c_bell) {
    140 				(void)putc('\007', ttyout);
    141 			}
    142 			(void)strcpy(line, line2);
    143 			makeargv();
    144 			argc = margc;
    145 			argv = margv;
    146 		}
    147 		if (cp1 != macros[i].mac_end) {
    148 			cp1++;
    149 		}
    150 	}
    151 	if (loopflg && ++count < argc) {
    152 		goto TOP;
    153 	}
    154 }
    155