/* Copyright (C) 2000 MySQL AB This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ /* TODO: check for overun of memory for names. */ /* Convert MSDOS-TIME to standar time_t */ #define USES_TYPES /* sys/types is included */ #include "mysys_priv.h" #include #include /* Structs used by my_dir,includes sys/types */ #include "mysys_err.h" #if defined(HAVE_DIRENT_H) # include # define NAMLEN(dirent) strlen((dirent)->d_name) #else #ifndef OS2 # define dirent direct #endif # define NAMLEN(dirent) (dirent)->d_namlen # if defined(HAVE_SYS_NDIR_H) # include # endif # if defined(HAVE_SYS_DIR_H) # include # endif # if defined(HAVE_NDIR_H) # include # endif # if defined(MSDOS) || defined(__WIN__) # include # ifdef __BORLANDC__ # include # endif # endif #endif #ifdef VMS #include #include #include #endif #ifdef OS2 #include "my_os2dirsrch.h" #endif #if defined(THREAD) && defined(HAVE_READDIR_R) #define READDIR(A,B,C) ((errno=readdir_r(A,B,&C)) != 0 || !C) #else #define READDIR(A,B,C) (!(C=readdir(A))) #endif /* We are assuming that directory we are reading is either has less than 100 files and so can be read in one initial chunk or has more than 1000 files and so big increment are suitable. */ #define ENTRIES_START_SIZE (8192/sizeof(FILEINFO)) #define ENTRIES_INCREMENT (65536/sizeof(FILEINFO)) #define NAMES_START_SIZE 32768 static int comp_names(struct fileinfo *a,struct fileinfo *b); /* We need this because program don't know with malloc we used */ void my_dirend(MY_DIR *buffer) { DBUG_ENTER("my_dirend"); if (buffer) { delete_dynamic((DYNAMIC_ARRAY*)((char*)buffer + ALIGN_SIZE(sizeof(MY_DIR)))); free_root((MEM_ROOT*)((char*)buffer + ALIGN_SIZE(sizeof(MY_DIR)) + ALIGN_SIZE(sizeof(DYNAMIC_ARRAY))), MYF(0)); my_free((gptr) buffer,MYF(0)); } DBUG_VOID_RETURN; } /* my_dirend */ /* Compare in sort of filenames */ static int comp_names(struct fileinfo *a, struct fileinfo *b) { return (strcmp(a->name,b->name)); } /* comp_names */ #if !defined(MSDOS) && !defined(__WIN__) MY_DIR *my_dir(const char *path, myf MyFlags) { char *buffer; MY_DIR *result= 0; FILEINFO finfo; DYNAMIC_ARRAY *dir_entries_storage; MEM_ROOT *names_storage; DIR *dirp; struct dirent *dp; char tmp_path[FN_REFLEN+1],*tmp_file; #ifdef THREAD char dirent_tmp[sizeof(struct dirent)+_POSIX_PATH_MAX+1]; #endif DBUG_ENTER("my_dir"); DBUG_PRINT("my",("path: '%s' MyFlags: %d",path,MyFlags)); #if defined(THREAD) && !defined(HAVE_READDIR_R) pthread_mutex_lock(&THR_LOCK_open); #endif dirp = opendir(directory_file_name(tmp_path,(my_string) path)); #if defined(__amiga__) if ((dirp->dd_fd) < 0) /* Directory doesn't exists */ goto error; #endif if (dirp == NULL || ! (buffer= my_malloc(ALIGN_SIZE(sizeof(MY_DIR)) + ALIGN_SIZE(sizeof(DYNAMIC_ARRAY)) + sizeof(MEM_ROOT), MyFlags))) goto error; dir_entries_storage= (DYNAMIC_ARRAY*)(buffer + ALIGN_SIZE(sizeof(MY_DIR))); names_storage= (MEM_ROOT*)(buffer + ALIGN_SIZE(sizeof(MY_DIR)) + ALIGN_SIZE(sizeof(DYNAMIC_ARRAY))); if (my_init_dynamic_array(dir_entries_storage, sizeof(FILEINFO), ENTRIES_START_SIZE, ENTRIES_INCREMENT)) { my_free((gptr) buffer,MYF(0)); goto error; } init_alloc_root(names_storage, NAMES_START_SIZE, NAMES_START_SIZE); /* MY_DIR structure is allocated and completly initialized at this point */ result= (MY_DIR*)buffer; tmp_file=strend(tmp_path); #ifdef THREAD dp= (struct dirent*) dirent_tmp; #else dp=0; #endif while (!(READDIR(dirp,(struct dirent*) dirent_tmp,dp))) { if (!(finfo.name= strdup_root(names_storage, dp->d_name))) goto error; if (MyFlags & MY_WANT_STAT) { if (!(finfo.mystat= (MY_STAT*)alloc_root(names_storage, sizeof(MY_STAT)))) goto error; bzero(finfo.mystat, sizeof(MY_STAT)); VOID(strmov(tmp_file,dp->d_name)); VOID(my_stat(tmp_path, finfo.mystat, MyFlags)); } else finfo.mystat= NULL; if (push_dynamic(dir_entries_storage, (gptr)&finfo)) goto error; } (void) closedir(dirp); #if defined(THREAD) && !defined(HAVE_READDIR_R) pthread_mutex_unlock(&THR_LOCK_open); #endif result->dir_entry= (FILEINFO *)dir_entries_storage->buffer; result->number_off_files= dir_entries_storage->elements; if (!(MyFlags & MY_DONT_SORT)) qsort((void *) result->dir_entry, result->number_off_files, sizeof(FILEINFO), (qsort_cmp) comp_names); DBUG_RETURN(result); error: #if defined(THREAD) && !defined(HAVE_READDIR_R) pthread_mutex_unlock(&THR_LOCK_open); #endif my_errno=errno; if (dirp) (void) closedir(dirp); my_dirend(result); if (MyFlags & (MY_FAE | MY_WME)) my_error(EE_DIR,MYF(ME_BELL+ME_WAITTANG),path,my_errno); DBUG_RETURN((MY_DIR *) NULL); } /* my_dir */ /* * Convert from directory name to filename. * On VMS: * xyzzy:[mukesh.emacs] => xyzzy:[mukesh]emacs.dir.1 * xyzzy:[mukesh] => xyzzy:[000000]mukesh.dir.1 * On UNIX, it's simple: just make sure there is a terminating / * Returns pointer to dst; */ my_string directory_file_name (my_string dst, const char *src) { #ifndef VMS /* Process as Unix format: just remove test the final slash. */ my_string end; if (src[0] == 0) src= (char*) "."; /* Use empty as current */ end=strmov(dst, src); if (end[-1] != FN_LIBCHAR) { end[0]=FN_LIBCHAR; /* Add last '/' */ end[1]='\0'; } return dst; #else /* VMS */ long slen; long rlen; my_string ptr, rptr; char bracket; struct FAB fab = cc$rms_fab; struct NAM nam = cc$rms_nam; char esa[NAM$C_MAXRSS]; if (! src[0]) src="[.]"; /* Empty is == current dir */ slen = strlen (src) - 1; if (src[slen] == FN_C_AFTER_DIR || src[slen] == FN_C_AFTER_DIR_2 || src[slen] == FN_DEVCHAR) { /* VMS style - convert [x.y.z] to [x.y]z, [x] to [000000]x */ fab.fab$l_fna = src; fab.fab$b_fns = slen + 1; fab.fab$l_nam = &nam; fab.fab$l_fop = FAB$M_NAM; nam.nam$l_esa = esa; nam.nam$b_ess = sizeof esa; nam.nam$b_nop |= NAM$M_SYNCHK; /* We call SYS$PARSE to handle such things as [--] for us. */ if (SYS$PARSE(&fab, 0, 0) == RMS$_NORMAL) { slen = nam.nam$b_esl - 1; if (esa[slen] == ';' && esa[slen - 1] == '.') slen -= 2; esa[slen + 1] = '\0'; src = esa; } if (src[slen] != FN_C_AFTER_DIR && src[slen] != FN_C_AFTER_DIR_2) { /* what about when we have logical_name:???? */ if (src[slen] == FN_DEVCHAR) { /* Xlate logical name and see what we get */ VOID(strmov(dst,src)); dst[slen] = 0; /* remove colon */ if (!(src = getenv (dst))) return dst; /* Can't translate */ /* should we jump to the beginning of this procedure? Good points: allows us to use logical names that xlate to Unix names, Bad points: can be a problem if we just translated to a device name... For now, I'll punt and always expect VMS names, and hope for the best! */ slen = strlen (src) - 1; if (src[slen] != FN_C_AFTER_DIR && src[slen] != FN_C_AFTER_DIR_2) { /* no recursion here! */ VOID(strmov(dst, src)); return(dst); } } else { /* not a directory spec */ VOID(strmov(dst, src)); return(dst); } } bracket = src[slen]; /* End char */ if (!(ptr = strchr (src, bracket - 2))) { /* no opening bracket */ VOID(strmov (dst, src)); return dst; } if (!(rptr = strrchr (src, '.'))) rptr = ptr; slen = rptr - src; VOID(strmake (dst, src, slen)); if (*rptr == '.') { /* Put bracket and add */ dst[slen++] = bracket; /* (rptr+1) after this */ } else { /* If we have the top-level of a rooted directory (i.e. xx:[000000]), then translate the device and recurse. */ if (dst[slen - 1] == ':' && dst[slen - 2] != ':' /* skip decnet nodes */ && strcmp(src + slen, "[000000]") == 0) { dst[slen - 1] = '\0'; if ((ptr = getenv (dst)) && (rlen = strlen (ptr) - 1) > 0 && (ptr[rlen] == FN_C_AFTER_DIR || ptr[rlen] == FN_C_AFTER_DIR_2) && ptr[rlen - 1] == '.') { VOID(strmov(esa,ptr)); esa[rlen - 1] = FN_C_AFTER_DIR; esa[rlen] = '\0'; return (directory_file_name (dst, esa)); } else dst[slen - 1] = ':'; } VOID(strmov(dst+slen,"[000000]")); slen += 8; } VOID(strmov(strmov(dst+slen,rptr+1)-1,".DIR.1")); return dst; } VOID(strmov(dst, src)); if (dst[slen] == '/' && slen > 1) dst[slen] = 0; return dst; #endif /* VMS */ } /* directory_file_name */ #elif defined(WIN32) /* ***************************************************************************** ** Read long filename using windows rutines ***************************************************************************** */ MY_DIR *my_dir(const char *path, myf MyFlags) { char *buffer; MY_DIR *result= 0; FILEINFO finfo; DYNAMIC_ARRAY *dir_entries_storage; MEM_ROOT *names_storage; #ifdef __BORLANDC__ struct ffblk find; #else struct _finddata_t find; #endif ushort mode; char tmp_path[FN_REFLEN],*tmp_file,attrib; #ifdef _WIN64 __int64 handle; #else long handle; #endif DBUG_ENTER("my_dir"); DBUG_PRINT("my",("path: '%s' stat: %d MyFlags: %d",path,MyFlags)); /* Put LIB-CHAR as last path-character if not there */ tmp_file=tmp_path; if (!*path) *tmp_file++ ='.'; /* From current dir */ tmp_file= strmov(tmp_file,path); if (tmp_file[-1] == FN_DEVCHAR) *tmp_file++= '.'; /* From current dev-dir */ if (tmp_file[-1] != FN_LIBCHAR) *tmp_file++ =FN_LIBCHAR; tmp_file[0]='*'; /* MSDOS needs this !??? */ tmp_file[1]='.'; tmp_file[2]='*'; tmp_file[3]='\0'; #ifdef __BORLANDC__ if ((handle= findfirst(tmp_path,&find,0)) == -1L) goto error; #else if ((handle=_findfirst(tmp_path,&find)) == -1L) goto error; #endif if (!(buffer= my_malloc(ALIGN_SIZE(sizeof(MY_DIR)) + ALIGN_SIZE(sizeof(DYNAMIC_ARRAY)) + sizeof(MEM_ROOT), MyFlags))) goto error; dir_entries_storage= (DYNAMIC_ARRAY*)(buffer + ALIGN_SIZE(sizeof(MY_DIR))); names_storage= (MEM_ROOT*)(buffer + ALIGN_SIZE(sizeof(MY_DIR)) + ALIGN_SIZE(sizeof(DYNAMIC_ARRAY))); if (my_init_dynamic_array(dir_entries_storage, sizeof(FILEINFO), ENTRIES_START_SIZE, ENTRIES_INCREMENT)) { my_free((gptr) buffer,MYF(0)); goto error; } init_alloc_root(names_storage, NAMES_START_SIZE, NAMES_START_SIZE); /* MY_DIR structure is allocated and completly initialized at this point */ result= (MY_DIR*)buffer; do { #ifdef __BORLANDC__ attrib= find.ff_attrib; #else attrib= find.attrib; /* Do not show hidden and system files which Windows sometimes create. Note. Because Borland's findfirst() is called with the third argument = 0 hidden/system files are excluded from the search. */ if (attrib & (_A_HIDDEN | _A_SYSTEM)) continue; #endif #ifdef __BORLANDC__ if (!(finfo.name= strdup_root(names_storage, find.ff_name))) goto error; #else if (!(finfo.name= strdup_root(names_storage, find.name))) goto error; #endif if (MyFlags & MY_WANT_STAT) { if (!(finfo.mystat= (MY_STAT*)alloc_root(names_storage, sizeof(MY_STAT)))) goto error; bzero(finfo.mystat, sizeof(MY_STAT)); #ifdef __BORLANDC__ finfo.mystat->st_size=find.ff_fsize; #else finfo.mystat->st_size=find.size; #endif mode=MY_S_IREAD; if (!(attrib & _A_RDONLY)) mode|=MY_S_IWRITE; if (attrib & _A_SUBDIR) mode|=MY_S_IFDIR; finfo.mystat->st_mode=mode; #ifdef __BORLANDC__ finfo.mystat->st_mtime=((uint32) find.ff_ftime); #else finfo.mystat->st_mtime=((uint32) find.time_write); #endif } else finfo.mystat= NULL; if (push_dynamic(dir_entries_storage, (gptr)&finfo)) goto error; #ifdef __BORLANDC__ } while (findnext(&find) == 0); #else } while (_findnext(handle,&find) == 0); _findclose(handle); #endif result->dir_entry= (FILEINFO *)dir_entries_storage->buffer; result->number_off_files= dir_entries_storage->elements; if (!(MyFlags & MY_DONT_SORT)) qsort((void *) result->dir_entry, result->number_off_files, sizeof(FILEINFO), (qsort_cmp) comp_names); DBUG_RETURN(result); error: my_errno=errno; #ifndef __BORLANDC__ if (handle != -1) _findclose(handle); #endif my_dirend(result); if (MyFlags & MY_FAE+MY_WME) my_error(EE_DIR,MYF(ME_BELL+ME_WAITTANG),path,errno); DBUG_RETURN((MY_DIR *) NULL); } /* my_dir */ #else /* MSDOS and not WIN32 */ /****************************************************************************** ** At MSDOS you always get stat of files, but time is in packed MSDOS-format ******************************************************************************/ MY_DIR *my_dir(const char* path, myf MyFlags) { char *buffer; MY_DIR *result= 0; FILEINFO finfo; DYNAMIC_ARRAY *dir_entries_storage; MEM_ROOT *names_storage; struct find_t find; ushort mode; char tmp_path[FN_REFLEN],*tmp_file,attrib; DBUG_ENTER("my_dir"); DBUG_PRINT("my",("path: '%s' stat: %d MyFlags: %d",path,MyFlags)); /* Put LIB-CHAR as last path-character if not there */ tmp_file=tmp_path; if (!*path) *tmp_file++ ='.'; /* From current dir */ tmp_file= strmov(tmp_file,path); if (tmp_file[-1] == FN_DEVCHAR) *tmp_file++= '.'; /* From current dev-dir */ if (tmp_file[-1] != FN_LIBCHAR) *tmp_file++ =FN_LIBCHAR; tmp_file[0]='*'; /* MSDOS needs this !??? */ tmp_file[1]='.'; tmp_file[2]='*'; tmp_file[3]='\0'; if (_dos_findfirst(tmp_path,_A_NORMAL | _A_SUBDIR, &find)) goto error; if (!(buffer= my_malloc(ALIGN_SIZE(sizeof(MY_DIR)) + ALIGN_SIZE(sizeof(DYNAMIC_ARRAY)) + sizeof(MEM_ROOT), MyFlags))) goto error; dir_entries_storage= (DYNAMIC_ARRAY*)(buffer + ALIGN_SIZE(sizeof(MY_DIR))); names_storage= (MEM_ROOT*)(buffer + ALIGN_SIZE(sizeof(MY_DIR)) + ALIGN_SIZE(sizeof(DYNAMIC_ARRAY))); if (my_init_dynamic_array(dir_entries_storage, sizeof(FILEINFO), ENTRIES_START_SIZE, ENTRIES_INCREMENT)) { my_free((gptr) buffer,MYF(0)); goto error; } init_alloc_root(names_storage, NAMES_START_SIZE, NAMES_START_SIZE); /* MY_DIR structure is allocated and completly initialized at this point */ result= (MY_DIR*)buffer; do { if (!(finfo.name= strdup_root(names_storage, find.name))) goto error; if (MyFlags & MY_WANT_STAT) { if (!(finfo.mystat= (MY_STAT*)alloc_root(names_storage, sizeof(MY_STAT)))) goto error; bzero(finfo.mystat, sizeof(MY_STAT)); finfo.mystat->st_size= find.size; mode= MY_S_IREAD; attrib= find.attrib; if (!(attrib & _A_RDONLY)) mode|= MY_S_IWRITE; if (attrib & _A_SUBDIR) mode|= MY_S_IFDIR; finfo.mystat->st_mode= mode; finfo.mystat->st_mtime= ((uint32) find.wr_date << 16) + find.wr_time; } else finfo.mystat= NULL; if (push_dynamic(dir_entries_storage, (gptr)&finfo)) goto error; } while (_dos_findnext(&find) == 0); result->dir_entry= (FILEINFO *)dir_entries_storage->buffer; result->number_off_files= dir_entries_storage->elements; if (!(MyFlags & MY_DONT_SORT)) qsort((void *) result->dir_entry, result->number_off_files, sizeof(FILEINFO), (qsort_cmp) comp_names); DBUG_RETURN(result); error: my_dirend(result); if (MyFlags & MY_FAE+MY_WME) my_error(EE_DIR,MYF(ME_BELL+ME_WAITTANG),path,errno); DBUG_RETURN((MY_DIR *) NULL); } /* my_dir */ #endif /* WIN32 && MSDOS */ /**************************************************************************** ** File status ** Note that MY_STAT is assumed to be same as struct stat ****************************************************************************/ int my_fstat(int Filedes, MY_STAT *stat_area, myf MyFlags __attribute__((unused))) { DBUG_ENTER("my_fstat"); DBUG_PRINT("my",("fd: %d MyFlags: %d",Filedes,MyFlags)); DBUG_RETURN(fstat(Filedes, (struct stat *) stat_area)); } MY_STAT *my_stat(const char *path, MY_STAT *stat_area, myf my_flags) { int m_used; DBUG_ENTER("my_stat"); DBUG_PRINT("my", ("path: '%s', stat_area: 0x%lx, MyFlags: %d", path, (byte *) stat_area, my_flags)); if ((m_used= (stat_area == NULL))) if (!(stat_area = (MY_STAT *) my_malloc(sizeof(MY_STAT), my_flags))) goto error; if (! stat((my_string) path, (struct stat *) stat_area) ) DBUG_RETURN(stat_area); DBUG_PRINT("error",("Got errno: %d from stat", errno)); my_errno= errno; if (m_used) /* Free if new area */ my_free((gptr) stat_area,MYF(0)); error: if (my_flags & (MY_FAE+MY_WME)) { my_error(EE_STAT, MYF(ME_BELL+ME_WAITTANG),path,my_errno); DBUG_RETURN((MY_STAT *) NULL); } DBUG_RETURN((MY_STAT *) NULL); } /* my_stat */