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https://github.com/reactos/reactos.git
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783 lines
15 KiB
C
783 lines
15 KiB
C
/* linelist.c
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*
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* Copyright (c) 1996-2001 Mike Gleason, NCEMRSoft.
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* All rights reserved.
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*
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*/
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#include "syshdrs.h"
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/* Dynamically make a copy of a string. */
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char *
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StrDup(const char *buf)
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{
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char *cp;
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size_t len;
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if (buf == NULL)
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return (NULL);
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len = strlen(buf) + 1;
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cp = (char *) malloc(len);
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if (cp != NULL)
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(void) memcpy(cp, buf, len);
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return (cp);
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} /* StrDup */
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/* Disposes each node of a LineList. Does a few extra things
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* so the disposed memory won't be very useful after it is freed.
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*/
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void
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DisposeLineListContents(LineListPtr list)
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{
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LinePtr lp, lp2;
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for (lp = list->first; lp != NULL; ) {
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lp2 = lp;
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lp = lp->next;
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if (lp2->line != NULL) {
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lp2->line[0] = '\0';
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free(lp2->line);
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}
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free(lp2);
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}
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/* Same as InitLineList. */
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(void) memset(list, 0, sizeof(LineList));
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} /* DisposeLineListContents */
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void
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InitLineList(LineListPtr list)
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{
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(void) memset(list, 0, sizeof(LineList));
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} /* InitLineList */
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LinePtr
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RemoveLine(LineListPtr list, LinePtr killMe)
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{
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LinePtr nextLine, prevLine;
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nextLine = killMe->next;
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prevLine = killMe->prev;
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if (killMe->line != NULL) {
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killMe->line[0] = '\0'; /* Make it useless just in case. */
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free(killMe->line);
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}
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if (list->first == killMe)
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list->first = nextLine;
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if (list->last == killMe)
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list->last = prevLine;
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if (nextLine != NULL)
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nextLine->prev = prevLine;
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if (prevLine != NULL)
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prevLine->next = nextLine;
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free(killMe);
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list->nLines--;
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return (nextLine);
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} /* RemoveLine */
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/* Adds a string to the LineList specified. */
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LinePtr
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AddLine(LineListPtr list, const char *buf1)
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{
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LinePtr lp;
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char *buf;
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lp = (LinePtr) malloc(sizeof(Line));
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if (lp != NULL) {
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buf = StrDup(buf1);
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if (buf == NULL) {
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free(lp);
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lp = NULL;
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} else {
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lp->line = buf;
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lp->next = NULL;
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if (list->first == NULL) {
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list->first = list->last = lp;
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lp->prev = NULL;
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list->nLines = 1;
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} else {
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lp->prev = list->last;
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list->last->next = lp;
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list->last = lp;
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list->nLines++;
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}
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}
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}
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return lp;
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} /* AddLine */
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int
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CopyLineList(LineListPtr dst, LineListPtr src)
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{
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LinePtr lp, lp2;
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InitLineList(dst);
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for (lp = src->first; lp != NULL; ) {
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lp2 = lp;
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lp = lp->next;
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if (lp2->line != NULL) {
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if (AddLine(dst, lp2->line) == NULL) {
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DisposeLineListContents(dst);
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return (-1);
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}
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}
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}
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return (0);
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} /* CopyLineList */
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/* Disposes each node of a FileInfoList. Does a few extra things
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* so the disposed memory won't be very useful after it is freed.
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*/
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void
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DisposeFileInfoListContents(FileInfoListPtr list)
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{
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FileInfoPtr lp, lp2;
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for (lp = list->first; lp != NULL; ) {
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lp2 = lp;
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lp = lp->next;
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if (lp2->relname != NULL) {
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lp2->relname[0] = '\0';
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free(lp2->relname);
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}
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if (lp2->lname != NULL) {
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lp2->lname[0] = '\0';
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free(lp2->lname);
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}
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if (lp2->rname != NULL) {
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lp2->rname[0] = '\0';
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free(lp2->rname);
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}
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if (lp2->rlinkto != NULL) {
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lp2->rlinkto[0] = '\0';
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free(lp2->rlinkto);
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}
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if (lp2->plug != NULL) {
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lp2->plug[0] = '\0';
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free(lp2->plug);
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}
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free(lp2);
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}
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if (list->vec != NULL)
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free(list->vec);
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/* Same as InitFileInfoList. */
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(void) memset(list, 0, sizeof(FileInfoList));
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} /* DisposeFileInfoListContents */
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void
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InitFileInfoList(FileInfoListPtr list)
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{
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(void) memset(list, 0, sizeof(FileInfoList));
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} /* InitFileInfoList */
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static int
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TimeCmp(const void *a, const void *b)
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{
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FileInfoPtr *fipa, *fipb;
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fipa = (FileInfoPtr *) a;
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fipb = (FileInfoPtr *) b;
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if ((**fipb).mdtm == (**fipa).mdtm)
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return (0);
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else if ((**fipb).mdtm < (**fipa).mdtm)
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return (-1);
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return (1);
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} /* TimeCmp */
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static int
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ReverseTimeCmp(const void *a, const void *b)
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{
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FileInfoPtr *fipa, *fipb;
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fipa = (FileInfoPtr *) a;
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fipb = (FileInfoPtr *) b;
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if ((**fipa).mdtm == (**fipb).mdtm)
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return (0);
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else if ((**fipa).mdtm < (**fipb).mdtm)
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return (-1);
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return (1);
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} /* ReverseTimeCmp */
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static int
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SizeCmp(const void *a, const void *b)
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{
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FileInfoPtr *fipa, *fipb;
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fipa = (FileInfoPtr *) a;
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fipb = (FileInfoPtr *) b;
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if ((**fipb).size == (**fipa).size)
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return (0);
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else if ((**fipb).size < (**fipa).size)
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return (-1);
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return (1);
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} /* SizeCmp */
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static int
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ReverseSizeCmp(const void *a, const void *b)
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{
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FileInfoPtr *fipa, *fipb;
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fipa = (FileInfoPtr *) a;
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fipb = (FileInfoPtr *) b;
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if ((**fipa).size == (**fipb).size)
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return (0);
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else if ((**fipa).size < (**fipb).size)
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return (-1);
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return (1);
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} /* ReverseSizeCmp */
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static int
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ReverseNameCmp(const void *a, const void *b)
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{
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FileInfoPtr *fipa, *fipb;
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fipa = (FileInfoPtr *) a;
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fipb = (FileInfoPtr *) b;
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#ifdef HAVE_SETLOCALE
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return (strcoll((**fipb).relname, (**fipa).relname));
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#else
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return (strcmp((**fipb).relname, (**fipa).relname));
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#endif
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} /* ReverseNameCmp */
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static int
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NameCmp(const void *a, const void *b)
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{
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FileInfoPtr *fipa, *fipb;
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fipa = (FileInfoPtr *) a;
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fipb = (FileInfoPtr *) b;
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#ifdef HAVE_SETLOCALE
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return (strcoll((**fipa).relname, (**fipb).relname));
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#else
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return (strcmp((**fipa).relname, (**fipb).relname));
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#endif
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} /* NameCmp */
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static int
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BreadthFirstCmp(const void *a, const void *b)
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{
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FileInfoPtr *fipa, *fipb;
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char *cp, *cpa, *cpb;
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int depth, deptha, depthb;
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int c;
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fipa = (FileInfoPtr *) a;
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fipb = (FileInfoPtr *) b;
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cpa = (**fipa).relname;
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cpb = (**fipb).relname;
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for (cp = cpa, depth = 0;;) {
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c = *cp++;
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if (c == '\0')
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break;
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if ((c == '/') || (c == '\\')) {
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depth++;
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}
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}
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deptha = depth;
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for (cp = cpb, depth = 0;;) {
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c = *cp++;
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if (c == '\0')
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break;
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if ((c == '/') || (c == '\\')) {
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depth++;
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}
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}
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depthb = depth;
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if (deptha < depthb)
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return (-1);
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else if (deptha > depthb)
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return (1);
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#ifdef HAVE_SETLOCALE
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return (strcoll(cpa, cpb));
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#else
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return (strcmp(cpa, cpb));
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#endif
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} /* BreadthFirstCmp */
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void
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SortFileInfoList(FileInfoListPtr list, int sortKey, int sortOrder)
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{
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FileInfoVec fiv;
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FileInfoPtr fip;
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int i, j, n, n2;
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fiv = list->vec;
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if (fiv == NULL)
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return;
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if (list->sortKey == sortKey) {
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if (list->sortOrder == sortOrder)
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return; /* Already sorted they you want. */
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/* Reverse the sort. */
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n = list->nFileInfos;
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if (n > 1) {
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n2 = n / 2;
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for (i=0; i<n2; i++) {
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j = n - i - 1;
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fip = fiv[i];
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fiv[i] = fiv[j];
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fiv[j] = fip;
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}
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}
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list->sortOrder = sortOrder;
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} else if ((sortKey == 'n') && (sortOrder == 'a')) {
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qsort(fiv, (size_t) list->nFileInfos, sizeof(FileInfoPtr),
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NameCmp);
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list->sortKey = sortKey;
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list->sortOrder = sortOrder;
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} else if ((sortKey == 'n') && (sortOrder == 'd')) {
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qsort(fiv, (size_t) list->nFileInfos, sizeof(FileInfoPtr),
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ReverseNameCmp);
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list->sortKey = sortKey;
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list->sortOrder = sortOrder;
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} else if ((sortKey == 't') && (sortOrder == 'a')) {
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qsort(fiv, (size_t) list->nFileInfos, sizeof(FileInfoPtr),
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TimeCmp);
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list->sortKey = sortKey;
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list->sortOrder = sortOrder;
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} else if ((sortKey == 't') && (sortOrder == 'd')) {
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qsort(fiv, (size_t) list->nFileInfos, sizeof(FileInfoPtr),
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ReverseTimeCmp);
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list->sortKey = sortKey;
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list->sortOrder = sortOrder;
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} else if ((sortKey == 's') && (sortOrder == 'a')) {
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qsort(fiv, (size_t) list->nFileInfos, sizeof(FileInfoPtr),
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SizeCmp);
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list->sortKey = sortKey;
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list->sortOrder = sortOrder;
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} else if ((sortKey == 's') && (sortOrder == 'd')) {
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qsort(fiv, (size_t) list->nFileInfos, sizeof(FileInfoPtr),
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ReverseSizeCmp);
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list->sortKey = sortKey;
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list->sortOrder = sortOrder;
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} else if (sortKey == 'b') {
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/* This is different from the rest. */
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list->sortKey = sortKey;
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list->sortOrder = sortOrder;
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qsort(fiv, (size_t) list->nFileInfos, sizeof(FileInfoPtr),
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BreadthFirstCmp);
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}
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} /* SortFileInfoList */
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void
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VectorizeFileInfoList(FileInfoListPtr list)
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{
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FileInfoVec fiv;
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FileInfoPtr fip;
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int i;
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fiv = (FileInfoVec) calloc((size_t) (list->nFileInfos + 1), sizeof(FileInfoPtr));
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if (fiv != (FileInfoVec) 0) {
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for (i = 0, fip = list->first; fip != NULL; fip = fip->next, i++)
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fiv[i] = fip;
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list->vec = fiv;
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}
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} /* VectorizeFileInfoList */
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void
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UnvectorizeFileInfoList(FileInfoListPtr list)
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{
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FileInfoVec fiv;
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FileInfoPtr fip;
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int i, n;
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fiv = list->vec;
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if (fiv != (FileInfoVec) 0) {
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list->first = fiv[0];
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n = list->nFileInfos;
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if (n > 0) {
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list->last = fiv[n - 1];
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fip = fiv[0];
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fip->prev = NULL;
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fip->next = fiv[1];
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for (i = 1; i < n; i++) {
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fip = fiv[i];
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fip->prev = fiv[i - 1];
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fip->next = fiv[i + 1];
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}
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}
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free(fiv);
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list->vec = (FileInfoVec) 0;
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}
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} /* UnvectorizeFileInfoList */
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void
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InitFileInfo(FileInfoPtr fip)
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{
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(void) memset(fip, 0, sizeof(FileInfo));
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fip->type = '-';
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fip->size = kSizeUnknown;
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fip->mdtm = kModTimeUnknown;
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} /* InitFileInfoList */
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FileInfoPtr
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RemoveFileInfo(FileInfoListPtr list, FileInfoPtr killMe)
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{
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FileInfoPtr nextFileInfo, prevFileInfo;
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nextFileInfo = killMe->next;
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prevFileInfo = killMe->prev;
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if (killMe->lname != NULL) {
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killMe->lname[0] = '\0'; /* Make it useless just in case. */
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free(killMe->lname);
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}
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if (killMe->relname != NULL) {
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killMe->relname[0] = '\0';
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free(killMe->relname);
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}
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if (killMe->rname != NULL) {
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killMe->rname[0] = '\0';
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free(killMe->rname);
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}
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if (killMe->rlinkto != NULL) {
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killMe->rlinkto[0] = '\0';
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free(killMe->rlinkto);
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}
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if (killMe->plug != NULL) {
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killMe->plug[0] = '\0';
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free(killMe->plug);
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}
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if (list->first == killMe)
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list->first = nextFileInfo;
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if (list->last == killMe)
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list->last = prevFileInfo;
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if (nextFileInfo != NULL)
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nextFileInfo->prev = prevFileInfo;
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if (prevFileInfo != NULL)
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prevFileInfo->next = nextFileInfo;
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free(killMe);
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list->nFileInfos--;
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return (nextFileInfo);
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} /* RemoveFileInfo */
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/* Adds a string to the FileInfoList specified. */
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FileInfoPtr
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AddFileInfo(FileInfoListPtr list, FileInfoPtr src)
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{
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FileInfoPtr lp;
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lp = (FileInfoPtr) malloc(sizeof(FileInfo));
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if (lp != NULL) {
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(void) memcpy(lp, src, sizeof(FileInfo));
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lp->next = NULL;
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if (list->first == NULL) {
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list->first = list->last = lp;
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lp->prev = NULL;
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list->nFileInfos = 1;
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} else {
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lp->prev = list->last;
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list->last->next = lp;
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list->last = lp;
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list->nFileInfos++;
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}
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}
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return lp;
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} /* AddFileInfo */
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int
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ConcatFileInfoList(FileInfoListPtr dst, FileInfoListPtr src)
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{
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FileInfoPtr lp, lp2;
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FileInfo newfi;
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for (lp = src->first; lp != NULL; lp = lp2) {
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lp2 = lp->next;
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newfi = *lp;
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newfi.relname = StrDup(lp->relname);
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newfi.lname = StrDup(lp->lname);
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newfi.rname = StrDup(lp->rname);
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newfi.rlinkto = StrDup(lp->rlinkto);
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newfi.plug = StrDup(lp->plug);
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if (AddFileInfo(dst, &newfi) == NULL)
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return (-1);
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}
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return (0);
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} /* ConcatFileInfoList */
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int
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ComputeRNames(FileInfoListPtr dst, const char *dstdir, int pflag, int nochop)
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{
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FileInfoPtr lp, lp2;
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char *buf;
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char *cp;
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if (dstdir == NULL)
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dstdir = ".";
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|
for (lp = dst->first; lp != NULL; lp = lp2) {
|
|
lp2 = lp->next;
|
|
|
|
buf = NULL;
|
|
if (nochop != 0) {
|
|
if ((dstdir[0] != '\0') && (strcmp(dstdir, "."))) {
|
|
if (Dynscat(&buf, dstdir, "/", lp->relname, 0) == NULL)
|
|
goto memerr;
|
|
|
|
if (pflag != 0) {
|
|
/* Init lname to parent dir name of remote dir */
|
|
cp = strrchr(dstdir, '/');
|
|
if (cp == NULL)
|
|
cp = strrchr(dstdir, '\\');
|
|
if (cp != NULL) {
|
|
if (Dynscat(&lp->lname, cp + 1, 0) == NULL)
|
|
goto memerr;
|
|
TVFSPathToLocalPath(lp->lname);
|
|
}
|
|
}
|
|
} else {
|
|
if (Dynscat(&buf, lp->relname, 0) == NULL)
|
|
goto memerr;
|
|
}
|
|
} else {
|
|
if ((dstdir[0] != '\0') && (strcmp(dstdir, "."))) {
|
|
cp = strrchr(lp->relname, '/');
|
|
if (cp == NULL)
|
|
cp = strrchr(lp->relname, '\\');
|
|
if (cp != NULL) {
|
|
cp++;
|
|
} else {
|
|
cp = lp->relname;
|
|
}
|
|
if (Dynscat(&buf, dstdir, "/", cp, 0) == NULL)
|
|
goto memerr;
|
|
|
|
if (pflag != 0) {
|
|
/* Init lname to parent dir name of remote dir */
|
|
cp = strrchr(dstdir, '/');
|
|
if (cp == NULL)
|
|
cp = strrchr(dstdir, '\\');
|
|
if (cp != NULL) {
|
|
if (Dynscat(&lp->lname, cp + 1, 0) == NULL)
|
|
goto memerr;
|
|
TVFSPathToLocalPath(lp->lname);
|
|
}
|
|
}
|
|
} else {
|
|
cp = strrchr(lp->relname, '/');
|
|
if (cp == NULL)
|
|
cp = strrchr(lp->relname, '\\');
|
|
if (cp != NULL) {
|
|
cp++;
|
|
} else {
|
|
cp = lp->relname;
|
|
}
|
|
if (Dynscat(&buf, cp, 0) == NULL)
|
|
goto memerr;
|
|
}
|
|
}
|
|
lp->rname = buf;
|
|
if (lp->rname == NULL) {
|
|
memerr:
|
|
return (-1);
|
|
}
|
|
LocalPathToTVFSPath(lp->rname);
|
|
}
|
|
return (0);
|
|
} /* ComputeRNames */
|
|
|
|
|
|
|
|
|
|
int
|
|
ComputeLNames(FileInfoListPtr dst, const char *srcdir, const char *dstdir, int nochop)
|
|
{
|
|
FileInfoPtr lp, lp2;
|
|
char *buf;
|
|
char *cp;
|
|
|
|
if (srcdir != NULL) {
|
|
cp = strrchr(srcdir, '/');
|
|
if (cp == NULL)
|
|
cp = strrchr(srcdir, '\\');
|
|
if (cp != NULL)
|
|
srcdir = cp + 1;
|
|
}
|
|
if (dstdir == NULL)
|
|
dstdir = ".";
|
|
|
|
for (lp = dst->first; lp != NULL; lp = lp2) {
|
|
lp2 = lp->next;
|
|
|
|
buf = NULL;
|
|
if (nochop != 0) {
|
|
if ((dstdir[0] != '\0') && (strcmp(dstdir, "."))) {
|
|
if (Dynscat(&buf, dstdir, "/", 0) == NULL)
|
|
goto memerr;
|
|
}
|
|
if (lp->lname != NULL) {
|
|
if (Dynscat(&buf, lp->lname, "/", 0) == NULL)
|
|
goto memerr;
|
|
} else if (srcdir != NULL) {
|
|
if (Dynscat(&buf, srcdir, "/", 0) == NULL)
|
|
goto memerr;
|
|
}
|
|
if (Dynscat(&buf, lp->relname, 0) == NULL)
|
|
goto memerr;
|
|
} else {
|
|
if ((dstdir[0] != '\0') && (strcmp(dstdir, "."))) {
|
|
cp = strrchr(lp->relname, '/');
|
|
if (cp == NULL)
|
|
cp = strrchr(lp->relname, '\\');
|
|
if (cp == NULL) {
|
|
cp = lp->relname;
|
|
} else {
|
|
cp++;
|
|
}
|
|
if (Dynscat(&buf, dstdir, "/", cp, 0) == NULL)
|
|
goto memerr;
|
|
} else {
|
|
cp = strrchr(lp->relname, '/');
|
|
if (cp == NULL)
|
|
cp = strrchr(lp->relname, '\\');
|
|
if (cp == NULL) {
|
|
cp = lp->relname;
|
|
} else {
|
|
cp++;
|
|
}
|
|
if (Dynscat(&buf, cp, 0) == NULL)
|
|
goto memerr;
|
|
}
|
|
}
|
|
if (buf == NULL) {
|
|
memerr:
|
|
return (-1);
|
|
}
|
|
if (lp->lname != NULL) {
|
|
free(lp->lname);
|
|
lp->lname = NULL;
|
|
}
|
|
lp->lname = buf;
|
|
TVFSPathToLocalPath(lp->lname);
|
|
}
|
|
return (0);
|
|
} /* ComputeLNames */
|
|
|
|
|
|
|
|
|
|
int
|
|
ConcatFileToFileInfoList(FileInfoListPtr dst, char *rfile)
|
|
{
|
|
FileInfo newfi;
|
|
|
|
InitFileInfo(&newfi); /* Use defaults. */
|
|
newfi.relname = StrDup(rfile);
|
|
newfi.rname = NULL;
|
|
newfi.lname = NULL;
|
|
|
|
if (AddFileInfo(dst, &newfi) == NULL)
|
|
return (-1);
|
|
return (0);
|
|
} /* ConcatFileToFileInfoList */
|
|
|
|
|
|
|
|
|
|
int
|
|
LineListToFileInfoList(LineListPtr src, FileInfoListPtr dst)
|
|
{
|
|
LinePtr lp, lp2;
|
|
|
|
InitFileInfoList(dst);
|
|
for (lp = src->first; lp != NULL; lp = lp2) {
|
|
lp2 = lp->next;
|
|
if (ConcatFileToFileInfoList(dst, lp->line) < 0)
|
|
return (-1);
|
|
}
|
|
return (0);
|
|
} /* LineListToFileList */
|
|
|
|
|
|
|
|
|
|
int
|
|
LineToFileInfoList(LinePtr lp, FileInfoListPtr dst)
|
|
{
|
|
InitFileInfoList(dst);
|
|
if (ConcatFileToFileInfoList(dst, lp->line) < 0)
|
|
return (-1);
|
|
return (0);
|
|
} /* LineToFileInfoList */
|
|
|
|
/* eof */
|