Mercurial > dwindows
view win/dirent.c @ 1568:625c4d1555fe
Added code to calculate the container size on OS/2.
With no items this can only detect the title height and splitbar position.
With items in the container this should function properly.
Will try to figure out the title widths with no items.
Also some more formatting cleanups.
author | bsmith@81767d24-ef19-dc11-ae90-00e081727c95 |
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date | Sat, 21 Jan 2012 03:13:32 +0000 |
parents | 412af8059331 |
children | 6baf177f335c |
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#include <stdio.h> #include <stdlib.h> #include <string.h> #include <ctype.h> #include <windows.h> #include "compat.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 API getFSType(const char *path) { static char cache[1+26]; char drive[3]; ULONG 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 = strlen(dir->data.cFileName); dir->entry.d_namlen = 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