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/*
* LEVEE, or Captain Video; A vi clone
*
* Copyright (c) 1982-2007 David L Parsons
* All rights reserved.
*
* Redistribution and use in source and binary forms, without or
* without modification, 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 "levee.h"
#include "extern.h"
#if OS_UNIX
# include <stdlib.h>
#elif !OS_RMX
# include <glob.h>
#endif
int wilderr, wildcard;
int PROC
expandargs(name, argcp, argvp)
char *name;
int *argcp;
char ***argvp;
{
#if OS_RMX|OS_UNIX
wilderr = doaddwork(name, argcp, argvp) < 0;
#else
register char *p;
wilderr = 0;
if (p=glob(name, (char*)0)) {
do {
if (doaddwork(p, argcp, argvp) < 0) {
wilderr++;
break;
}
} while (p=glob((char*)0, (char*)0));
}
else if (doaddwork(name, argcp, argvp) < 0)
wilderr++;
#endif /*!OS_RMX*/
if (wilderr)
killargs(argcp, argvp);
return !wilderr;
}
#define QUANTUM 10
int PROC
doaddwork(token,argcp,argvp)
char *token;
int *argcp;
char ***argvp;
{
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)) ) {
#if OS_ATARI|OS_RMX|OS_FLEXOS
strlwr(ap[ac]); /* monocase filesystem */
#endif
*argvp = ap;
return (*argcp)++;
}
memfail:
errmsg("no memory");
return -1;
}
VOID PROC
killargs(argcp, argvp)
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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