Mercurial > dwindows
view win/dirent.c @ 2909:3fe7641f027c
WARNING: Fix an API inconsistency in dw_notebook_page_destroy/set()
These two APIs incorrectly referenced the page ID as an int not long.
This change may cause ABI problems with programs that use these on some
platforms. Recompile your apps that use these functions for safety.
author | bsmith@81767d24-ef19-dc11-ae90-00e081727c95 |
---|---|
date | Tue, 27 Dec 2022 00:58:58 +0000 |
parents | 22e3e829be13 |
children |
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#undef UNICODE #undef _UNICODE #include <stdio.h> #include <stdlib.h> #include <string.h> #include <ctype.h> #include <winsock2.h> #include <windows.h> #define _DW_INTERNAL #include "dwcompat.h" #include <errno.h> #include <direct.h> #define error(rc) errno = 255 struct _dirdescr { HANDLE handle; /* DosFindFirst handle */ char fstype; /* filesystem type */ long count; /* valid entries in <ffbuf> */ long number; /* absolute number of next entry */ int index; /* relative number of next entry */ char name[MAXPATHLEN+3]; /* directory name */ unsigned attrmask; /* attribute mask for seekdir */ struct dirent entry; /* buffer for directory entry */ WIN32_FIND_DATA data; }; /* * Return first char of filesystem type, or 0 if unknown. */ static char getFSType(const char *path) { static char cache[1+26]; char drive[3]; UCHAR unit; char r; if (isalpha(path[0]) && path[1] == ':') { unit = toupper(path[0]) - '@'; path += 2; } else { return 0; } if ((path[0] == '\\' || path[0] == '/') && (path[1] == '\\' || path[1] == '/')) return 0; if (cache [unit]) return cache [unit]; drive[0] = '@' + unit; drive[1] = ':'; drive[2] = '\0'; r = GetDriveType(drive); return cache [unit] = r; } char * API abs_path(const char *name, char *buffer, int len) { LPTSTR file; if(isalpha(name[0]) && name[1] == ':' && name[2] == '\0') { int drive = _getdrive(); char newdrive = toupper(name[0]); _chdrive((newdrive - 'A')+1); if(_getcwd(buffer, len)) { _chdrive(drive); return buffer; } _chdrive(drive); return NULL; } if(GetFullPathName(name, len, buffer, &file)) return buffer; return NULL; } DIR * API openxdir(const char *path, unsigned att_mask) { DIR *dir; char name[MAXPATHLEN+3]; dir = malloc(sizeof(DIR)); if (dir == NULL) { errno = ENOMEM; return NULL; } strncpy(name, path, MAXPATHLEN); name[MAXPATHLEN] = '\0'; switch (name[strlen(name)-1]) { default: strcat(name, "\\"); case '\\': case '/': case ':': ; } strcat(name, "."); if (!abs_path(name, dir->name, MAXPATHLEN+1)) strcpy(dir->name, name); if (dir->name[strlen(dir->name)-1] == '\\') strcat(dir->name, "*"); else strcat(dir->name, "\\*"); dir->fstype = getFSType(dir->name); dir->attrmask = att_mask | A_DIR; dir->count = 100; if((dir->handle = FindFirstFile(dir->name, &dir->data))==INVALID_HANDLE_VALUE) { free(dir); error(rc); return NULL; } dir->number = 0; dir->index = 0; return (DIR *)dir; } DIR * API opendir(const char *pathname) { return openxdir(pathname, 0); } struct dirent * API readdir(DIR *dir) { static int dummy_ino = 2; if (dir->number) { dir->count = 100; if(!FindNextFile(dir->handle, &(dir->data))) { error(rc); return NULL; } dir->index = 0; } strcpy(dir->entry.d_name, dir->data.cFileName); dir->entry.d_ino = dummy_ino++; dir->entry.d_reclen = (int)strlen(dir->data.cFileName); dir->entry.d_namlen = (int)strlen(dir->data.cFileName); dir->entry.d_size = dir->data.nFileSizeLow; dir->entry.d_attribute = dir->data.dwFileAttributes; #if 0 dir->entry.d_time = *(USHORT *)&dir->next->ftimeLastWrite; dir->entry.d_date = *(USHORT *)&dir->next->fdateLastWrite; #endif dir->number++; dir->index++; return &dir->entry; } long API telldir(DIR *dir) { return dir->number; } void API seekdir(DIR *dir, long off) { if (dir->number > off) { char name[MAXPATHLEN+2]; FindClose(dir->handle); strcpy(name, dir->name); strcat(name, "*"); if((dir->handle = FindFirstFile(name, &(dir->data)))==NULL) { error(rc); return; } dir->number = 0; dir->index = 0; } while (dir->number < off && readdir(dir)) ; } void API closedir(DIR *dir) { FindClose(dir->handle); free(dir); } /*****************************************************************************/ #ifdef TEST main(int argc, char **argv) { int i; DIR *dir; struct dirent *ep; for (i = 1; i < argc; ++i) { dir = opendir(argv[i]); if (!dir) continue; while (ep = readdir(dir)) if (strchr("\\/:", argv[i] [strlen(argv[i]) - 1])) printf("%s%s\n", argv[i], ep->d_name); else printf("%s/%s\n", argv[i], ep->d_name); closedir(dir); } return 0; } #endif