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/*
rc -- auxiliary functions for parsing .cftprc file
Copyright (C) 1996, 1997 Dieter Baron
This file is part of cftp, a fullscreen ftp client
The author can be contacted at <dillo@giga.or.at>
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include "rc.h"
char *
rc_token(char **linep)
{
char *tok, *p;
if (*linep == NULL)
return NULL;
tok = *linep;
if (tok[0] == '\0' || tok[0] == '\n') {
*linep = NULL;
return NULL;
}
if (tok[0] == '\'' || tok[0] == '\"') {
tok++;
if ((p=strchr(tok, tok[-1])) == NULL) {
if (tok[strlen(tok)-1] == '\n')
tok[strlen(tok)-1] = '\0';
*linep = NULL;
}
else {
*p = '\0';
*linep = p+1+strspn(p+1, " \t\n");
}
}
else {
p = tok+strcspn(tok, " \t\n");
if (*p == '\0')
*linep = NULL;
else {
*p = '\0';
*linep = p+1+strspn(p+1, " \t\n");
}
}
return tok;
}
char **
rc_list(char *line)
{
char *l[128], **list, *t;
int i, n;
list = l;
n = 128;
for (i=0; (t=rc_token(&line)); i++) {
if (i >= n) {
n += 32;
if (n == 160) { /* list is alias for l */
list = (char **)malloc(sizeof(char *)*n);
memcpy(list, l, 128*sizeof(char *));
}
else
list = (char **)realloc(list, (sizeof(char *)*n));
}
list[i] = strdup(t);
}
if (i == 0) {
if (n != 128) /* list is allocated */
free(list);
return NULL;
}
list[i] = NULL;
if (n == 128) { /* list is alias for l */
list = (char **)malloc(sizeof(char *)*(i+1));
memcpy(list, l, sizeof(char *)*(i+1));
}
return list;
}
int rc_inrc = 0;
int rc_lineno;
char *rc_filename;
extern char *prg;
void rc_error(char *fmt, ...) {
va_list argp;
fprintf(stderr, "%s:%s:%d: ", prg, rc_filename, rc_lineno);
va_start(argp, fmt);
vfprintf(stderr, fmt, argp);
va_end(argp);
fputc('\n', stderr);
}
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