120 lines
2.1 KiB
C
Executable file
120 lines
2.1 KiB
C
Executable file
#include "sysincludes.h"
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#include "msdos.h"
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#include "stream.h"
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#include "file.h"
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#include "mtoolsDirent.h"
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void initializeDirentry(direntry_t *entry, Stream_t *Dir)
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{
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entry->entry = -1;
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/* entry->parent = getDirentry(Dir);*/
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entry->Dir = Dir;
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entry->beginSlot = 0;
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entry->endSlot = 0;
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}
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int isNotFound(direntry_t *entry)
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{
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return entry->entry == -2;
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}
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void rewindEntry(direntry_t *entry)
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{
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entry->entry = -1;
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}
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direntry_t *getParent(direntry_t *entry)
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{
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return getDirentry(entry->Dir);
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}
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static int getPathLen(direntry_t *entry)
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{
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int length=0;
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while(1) {
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if(entry->entry == -3) /* rootDir */
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return strlen(getDrive(entry->Dir)) + 1 + length + 1;
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length += 1 + strlen(entry->name);
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entry = getDirentry(entry->Dir);
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}
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}
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static char *sprintPwd(direntry_t *entry, char *ptr)
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{
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if(entry->entry == -3) {
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strcpy(ptr, getDrive(entry->Dir));
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strcat(ptr, ":/");
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ptr = strchr(ptr, 0);
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} else {
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ptr = sprintPwd(getDirentry(entry->Dir), ptr);
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if(ptr[-1] != '/')
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*ptr++ = '/';
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strcpy(ptr, entry->name);
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ptr += strlen(entry->name);
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}
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return ptr;
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}
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#define NEED_ESCAPE "\"$\\"
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static void _fprintPwd(FILE *f, direntry_t *entry, int recurs, int escape)
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{
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if(entry->entry == -3) {
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fputs(getDrive(entry->Dir), f);
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putc(':', f);
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if(!recurs)
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putc('/', f);
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} else {
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_fprintPwd(f, getDirentry(entry->Dir), 1, escape);
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if (escape && strpbrk(entry->name, NEED_ESCAPE)) {
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char *ptr;
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for(ptr = entry->name; *ptr; ptr++) {
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if (strchr(NEED_ESCAPE, *ptr))
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putc('\\', f);
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putc(*ptr, f);
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}
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} else {
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fprintf(f, "/%s", entry->name);
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}
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}
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}
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void fprintPwd(FILE *f, direntry_t *entry, int escape)
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{
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if (escape)
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putc('"', f);
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_fprintPwd(f, entry, 0, escape);
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if(escape)
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putc('"', f);
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}
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char *getPwd(direntry_t *entry)
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{
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int size;
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char *ret;
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size = getPathLen(entry);
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ret = malloc(size+1);
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if(!ret)
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return 0;
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sprintPwd(entry, ret);
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return ret;
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}
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int isSubdirOf(Stream_t *inside, Stream_t *outside)
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{
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while(1) {
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if(inside == outside) /* both are the same */
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return 1;
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if(getDirentry(inside)->entry == -3) /* root directory */
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return 0;
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/* look further up */
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inside = getDirentry(inside)->Dir;
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}
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}
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