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/* $Id: flist.c,v 1.3 1999/05/26 23:52:21 fraserm Exp $
$Log: flist.c,v $
Revision 1.3 1999/05/26 23:52:21 fraserm
added custom command stuff
Revision 1.2 1999/05/16 19:47:42 fraserm
*** empty log message ***
Revision 1.1 1999/04/20 23:42:56 fraserm
Initial revision
*/
/* file node list utility functions */
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <stdlib.h>
#include "limo.h"
extern int numcustcmds;
/* clear a file list structure to empty defaults */
void flist_clear(int argc, char *argv[], struct flist *fl)
{
int i;
fl->size = 0;
fl->maxnamelen = 0;
fl->maxlinklen = 0;
if (numcustcmds > 0
&& (fl->maxcustlens
= (int *) malloc(sizeof(int *) * numcustcmds)) == NULL) {
fprintf(stderr, "%s: malloc: %s\n", argv[0], strerror(errno));
exit(ERROR_PROC);
}
for (i = 0; i < numcustcmds; ++i) {
fl->maxcustlens[i] = 0;
}
fl->fa = NULL;
}
/* increase the size of a file list and add the element in new to it */
unsigned long flist_append(int argc, char *argv[], struct flist *fl,
struct fnode *new)
{
struct fnode **tmp;
int i;
/* increase the size of the array */
if ((tmp = realloc(fl->fa, (size_t) ((fl->size+1) * sizeof(struct fnode *))))
== NULL) {
fprintf(stderr, "%s: flist_append: realloc: %s\n",
argv[0], strerror(errno));
return 0;
}
fl->fa = tmp;
/* assign new to the new element */
(fl->fa)[fl->size] = new;
/* inc the max length and link length register if necessary */
if (new->namelen > fl->maxnamelen) {
fl->maxnamelen = new->namelen;
}
if (new->linklen > fl->maxlinklen) {
fl->maxlinklen = new->linklen;
}
/* ditto for the custom commands, if any */
for (i = 0; i < numcustcmds; ++i) {
if (new->custlens[i] > fl->maxcustlens[i]) {
fl->maxcustlens[i] = new->custlens[i];
}
}
/* increase the noted size of the array, and return it */
return (++(fl->size));
}
void flist_free(struct flist *fl)
{
if (fl->size > 0 && fl->fa != NULL) {
int i;
for (i = 0; i < fl->size; ++i) {
fnode_free(fl->fa[i]);
}
if (numcustcmds > 0) {
free(fl->maxcustlens);
}
free(fl->fa);
}
}
/* sort a list with qsort according to what dir and chunk are */
void flist_sort(int argc, char *argv[], struct flist *fl)
{
qsort(fl->fa, fl->size, sizeof(struct fnode *), fnode_compare);
}
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