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/*
* LEVEE, or Captain Video; A vi clone
*
* Copyright (c) 1982-1997 David L Parsons
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that the above copyright notice and this paragraph are
* duplicated in all such forms and that any documentation,
* advertising materials, and other materials related to such
* distribution and use acknowledge that the software was developed
* by David L Parsons (orc@pell.chi.il.us). My name may not be used
* to endorse or promote products derived from this software without
* specific prior written permission. THIS SOFTWARE IS PROVIDED
* AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
* WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND
* FITNESS FOR A PARTICULAR PURPOSE.
*/
/*
* wildcard filename expanders for levee.
*/
#include <stdlib.h>
#include "levee.h"
int wilderr, wildcard;
int expandargs(char *name, int *argcp, char ***argvp)
{
if ((wilderr = doaddwork(name, argcp, argvp)) < 0)
killargs(argcp, argvp);
return !wilderr;
}
#define QUANTUM 10
int doaddwork(char *token, int *argcp, char ***argvp)
{
char *strdup();
char **ap = *argvp;
int ac = *argcp;
int size;
if ( ac%QUANTUM == 0) { /* realloc more memory! */
size = (QUANTUM+ac)*sizeof(char**);
ap = (ac == 0)?malloc(size):realloc(ap, size);
if (!ap) {
*argcp = 0;
goto memfail;
}
}
if ((ap[ac] = strdup(token))) {
*argvp = ap;
return (*argcp)++;
}
memfail:
errmsg("no memory");
return -1;
}
void killargs(int *argcp, char ***argvp)
{
int i;
for (i=(*argcp)-1; i >= 0; i--)
free((*argvp)[i]);
if (*argcp)
free(*argvp);
*argcp = 0;
*argvp = 0L;
}
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