diff options
Diffstat (limited to 'unix/tclUnixFile.c')
-rw-r--r-- | unix/tclUnixFile.c | 345 |
1 files changed, 172 insertions, 173 deletions
diff --git a/unix/tclUnixFile.c b/unix/tclUnixFile.c index 4a34b0b..c213050 100644 --- a/unix/tclUnixFile.c +++ b/unix/tclUnixFile.c @@ -6,15 +6,15 @@ * * Copyright (c) 1995-1998 Sun Microsystems, Inc. * - * See the file "license.terms" for information on usage and redistribution of - * this file, and for a DISCLAIMER OF ALL WARRANTIES. + * See the file "license.terms" for information on usage and redistribution + * of this file, and for a DISCLAIMER OF ALL WARRANTIES. */ #include "tclInt.h" #include "tclFileSystem.h" -static int NativeMatchType(Tcl_Interp *interp, CONST char* nativeEntry, - CONST char* nativeName, Tcl_GlobTypeData *types); +static int NativeMatchType(Tcl_Interp *interp, const char* nativeEntry, + const char* nativeName, Tcl_GlobTypeData *types); /* *--------------------------------------------------------------------------- @@ -36,7 +36,7 @@ static int NativeMatchType(Tcl_Interp *interp, CONST char* nativeEntry, void TclpFindExecutable( - CONST char *argv0) /* The value of the application's argv[0] + const char *argv0) /* The value of the application's argv[0] * (native). */ { Tcl_Encoding encoding; @@ -105,11 +105,11 @@ TclpFindExecutable( while ((*p != ':') && (*p != 0)) { p++; } - Tcl_DStringSetLength(&buffer, 0); + TclDStringClear(&buffer); if (p != name) { Tcl_DStringAppend(&buffer, name, p - name); if (p[-1] != '/') { - Tcl_DStringAppend(&buffer, "/", 1); + TclDStringAppendLiteral(&buffer, "/"); } } name = Tcl_DStringAppend(&buffer, argv0, -1); @@ -174,11 +174,10 @@ TclpFindExecutable( Tcl_UtfToExternalDString(NULL, Tcl_DStringValue(&cwd), Tcl_DStringLength(&cwd), &buffer); if (Tcl_DStringValue(&cwd)[Tcl_DStringLength(&cwd) -1] != '/') { - Tcl_DStringAppend(&buffer, "/", 1); + TclDStringAppendLiteral(&buffer, "/"); } Tcl_DStringFree(&cwd); - Tcl_DStringAppend(&buffer, Tcl_DStringValue(&nameString), - Tcl_DStringLength(&nameString)); + TclDStringAppendDString(&buffer, &nameString); Tcl_DStringFree(&nameString); encoding = Tcl_GetEncoding(NULL, NULL); @@ -217,12 +216,12 @@ TclpMatchInDirectory( Tcl_Interp *interp, /* Interpreter to receive errors. */ Tcl_Obj *resultPtr, /* List object to lappend results. */ Tcl_Obj *pathPtr, /* Contains path to directory to search. */ - CONST char *pattern, /* Pattern to match against. */ + const char *pattern, /* Pattern to match against. */ Tcl_GlobTypeData *types) /* Object containing list of acceptable types. * May be NULL. In particular the directory * flag is very important. */ { - CONST char *native; + const char *native; Tcl_Obj *fileNamePtr; int matchResult = 0; @@ -243,12 +242,13 @@ TclpMatchInDirectory( /* * Match a file directly. */ + Tcl_Obj *tailPtr; - CONST char *nativeTail; + const char *nativeTail; - native = (CONST char*) Tcl_FSGetNativePath(pathPtr); + native = Tcl_FSGetNativePath(pathPtr); tailPtr = TclPathPart(interp, pathPtr, TCL_PATH_TAIL); - nativeTail = (CONST char*) Tcl_FSGetNativePath(tailPtr); + nativeTail = Tcl_FSGetNativePath(tailPtr); matchResult = NativeMatchType(interp, native, nativeTail, types); if (matchResult == 1) { Tcl_ListObjAppendElement(interp, resultPtr, pathPtr); @@ -258,10 +258,9 @@ TclpMatchInDirectory( } else { DIR *d; Tcl_DirEntry *entryPtr; - CONST char *dirName; - int dirLength; + const char *dirName; + int dirLength, nativeDirLen; int matchHidden, matchHiddenPat; - int nativeDirLen; Tcl_StatBuf statBuf; Tcl_DString ds; /* native encoding of dir */ Tcl_DString dsOrig; /* utf-8 encoding of dir */ @@ -272,7 +271,7 @@ TclpMatchInDirectory( /* * Make sure that the directory part of the name really is a - * directory. If the directory name is "", use the name "." instead, + * directory. If the directory name is "", use the name "." instead, * because some UNIX systems don't treat "" like "." automatically. * Keep the "" for use in generating file names, otherwise "glob * foo.c" would return "./foo.c". @@ -288,7 +287,7 @@ TclpMatchInDirectory( */ if (dirName[dirLength-1] != '/') { - dirName = Tcl_DStringAppend(&dsOrig, "/", 1); + dirName = TclDStringAppendLiteral(&dsOrig, "/"); dirLength++; } } @@ -314,7 +313,7 @@ TclpMatchInDirectory( Tcl_ResetResult(interp); Tcl_AppendResult(interp, "couldn't read directory \"", Tcl_DStringValue(&dsOrig), "\": ", - Tcl_PosixError(interp), (char *) NULL); + Tcl_PosixError(interp), NULL); } Tcl_DStringFree(&dsOrig); Tcl_DecrRefCount(fileNamePtr); @@ -329,11 +328,11 @@ TclpMatchInDirectory( matchHiddenPat = (pattern[0] == '.') || ((pattern[0] == '\\') && (pattern[1] == '.')); - matchHidden = matchHiddenPat + matchHidden = matchHiddenPat || (types && (types->perm & TCL_GLOB_PERM_HIDDEN)); while ((entryPtr = TclOSreaddir(d)) != NULL) { /* INTL: Native. */ Tcl_DString utfDs; - CONST char *utfname; + const char *utfname; /* * Skip this file if it doesn't agree with the hidden parameters @@ -341,13 +340,19 @@ TclpMatchInDirectory( */ if (*entryPtr->d_name == '.') { - if (!matchHidden) continue; + if (!matchHidden) { + continue; + } } else { #ifdef MAC_OSX_TCL - if (matchHiddenPat) continue; + if (matchHiddenPat) { + continue; + } /* Also need to check HFS hidden flag in TclMacOSXMatchType. */ #else - if (matchHidden) continue; + if (matchHidden) { + continue; + } #endif } @@ -387,9 +392,8 @@ TclpMatchInDirectory( } if (matchResult < 0) { return TCL_ERROR; - } else { - return TCL_OK; } + return TCL_OK; } /* @@ -397,13 +401,13 @@ TclpMatchInDirectory( * * NativeMatchType -- * - * This routine is used by the globbing code to check if a file - * matches a given type description. + * This routine is used by the globbing code to check if a file matches a + * given type description. * * Results: - * The return value is 1, 0 or -1 indicating whether the file - * matches the given criteria, does not match them, or an error - * occurred (in wich case an error is left in interp). + * The return value is 1, 0 or -1 indicating whether the file matches the + * given criteria, does not match them, or an error occurred (in which + * case an error is left in interp). * * Side effects: * None. @@ -414,11 +418,12 @@ TclpMatchInDirectory( static int NativeMatchType( Tcl_Interp *interp, /* Interpreter to receive errors. */ - CONST char *nativeEntry, /* Native path to check. */ - CONST char *nativeName, /* Native filename to check. */ + const char *nativeEntry, /* Native path to check. */ + const char *nativeName, /* Native filename to check. */ Tcl_GlobTypeData *types) /* Type description to match against. */ { Tcl_StatBuf buf; + if (types == NULL) { /* * Simply check for the file's existence, but do it with lstat, in @@ -429,124 +434,130 @@ NativeMatchType( if (TclOSlstat(nativeEntry, &buf) != 0) { return 0; } - } else { - if (types->perm != 0) { - if (TclOSstat(nativeEntry, &buf) != 0) { - /* - * Either the file has disappeared between the 'readdir' call - * and the 'stat' call, or the file is a link to a file which - * doesn't exist (which we could ascertain with lstat), or - * there is some other strange problem. In all these cases, we - * define this to mean the file does not match any defined - * permission, and therefore it is not added to the list of - * files to return. - */ - - return 0; - } + return 1; + } + if (types->perm != 0) { + if (TclOSstat(nativeEntry, &buf) != 0) { /* - * readonly means that there are NO write permissions (even for - * user), but execute is OK for anybody OR that the user immutable - * flag is set (where supported). + * Either the file has disappeared between the 'readdir' call and + * the 'stat' call, or the file is a link to a file which doesn't + * exist (which we could ascertain with lstat), or there is some + * other strange problem. In all these cases, we define this to + * mean the file does not match any defined permission, and + * therefore it is not added to the list of files to return. */ - if (((types->perm & TCL_GLOB_PERM_RONLY) && + return 0; + } + + /* + * readonly means that there are NO write permissions (even for user), + * but execute is OK for anybody OR that the user immutable flag is + * set (where supported). + */ + + if (((types->perm & TCL_GLOB_PERM_RONLY) && #if defined(HAVE_CHFLAGS) && defined(UF_IMMUTABLE) - !(buf.st_flags & UF_IMMUTABLE) && + !(buf.st_flags & UF_IMMUTABLE) && #endif - (buf.st_mode & (S_IWOTH|S_IWGRP|S_IWUSR))) || - ((types->perm & TCL_GLOB_PERM_R) && - (access(nativeEntry, R_OK) != 0)) || - ((types->perm & TCL_GLOB_PERM_W) && - (access(nativeEntry, W_OK) != 0)) || - ((types->perm & TCL_GLOB_PERM_X) && - (access(nativeEntry, X_OK) != 0)) + (buf.st_mode & (S_IWOTH|S_IWGRP|S_IWUSR))) || + ((types->perm & TCL_GLOB_PERM_R) && + (access(nativeEntry, R_OK) != 0)) || + ((types->perm & TCL_GLOB_PERM_W) && + (access(nativeEntry, W_OK) != 0)) || + ((types->perm & TCL_GLOB_PERM_X) && + (access(nativeEntry, X_OK) != 0)) #ifndef MAC_OSX_TCL - || ((types->perm & TCL_GLOB_PERM_HIDDEN) && - (*nativeName != '.')) + || ((types->perm & TCL_GLOB_PERM_HIDDEN) && + (*nativeName != '.')) #endif ) { - return 0; - } + return 0; } - if (types->type != 0) { - if (types->perm == 0) { + } + if (types->type != 0) { + if (types->perm == 0) { + /* + * We haven't yet done a stat on the file. + */ + + if (TclOSstat(nativeEntry, &buf) != 0) { /* - * We haven't yet done a stat on the file. + * Posix error occurred. The only ok case is if this is a link + * to a nonexistent file, and the user did 'glob -l'. So we + * check that here: */ - if (TclOSstat(nativeEntry, &buf) != 0) { - /* - * Posix error occurred. The only ok case is if this is a - * link to a nonexistent file, and the user did 'glob -l'. - * So we check that here: - */ - - if (types->type & TCL_GLOB_TYPE_LINK) { - if (TclOSlstat(nativeEntry, &buf) == 0) { - if (S_ISLNK(buf.st_mode)) { - return 1; - } + if (types->type & TCL_GLOB_TYPE_LINK) { + if (TclOSlstat(nativeEntry, &buf) == 0) { + if (S_ISLNK(buf.st_mode)) { + return 1; } } - return 0; } + return 0; } + } - /* - * In order bcdpfls as in 'find -t' - */ + /* + * In order bcdpsfl as in 'find -t' + */ - if (((types->type & TCL_GLOB_TYPE_BLOCK)&& S_ISBLK(buf.st_mode)) || + if ( ((types->type & TCL_GLOB_TYPE_BLOCK)&& S_ISBLK(buf.st_mode)) || ((types->type & TCL_GLOB_TYPE_CHAR) && S_ISCHR(buf.st_mode)) || ((types->type & TCL_GLOB_TYPE_DIR) && S_ISDIR(buf.st_mode)) || ((types->type & TCL_GLOB_TYPE_PIPE) && S_ISFIFO(buf.st_mode))|| - ((types->type & TCL_GLOB_TYPE_FILE) && S_ISREG(buf.st_mode)) #ifdef S_ISSOCK - ||((types->type & TCL_GLOB_TYPE_SOCK) && S_ISSOCK(buf.st_mode)) + ((types->type & TCL_GLOB_TYPE_SOCK) && S_ISSOCK(buf.st_mode))|| #endif /* S_ISSOCK */ - ) { - /* - * Do nothing - this file is ok. - */ - } else { + ((types->type & TCL_GLOB_TYPE_FILE) && S_ISREG(buf.st_mode))) { + /* + * Do nothing - this file is ok. + */ + } else { #ifdef S_ISLNK - if (types->type & TCL_GLOB_TYPE_LINK) { - if (TclOSlstat(nativeEntry, &buf) == 0) { - if (S_ISLNK(buf.st_mode)) { - goto filetypeOK; - } + if (types->type & TCL_GLOB_TYPE_LINK) { + if (TclOSlstat(nativeEntry, &buf) == 0) { + if (S_ISLNK(buf.st_mode)) { + goto filetypeOK; } } -#endif /* S_ISLNK */ - return 0; } +#endif /* S_ISLNK */ + return 0; } - filetypeOK: ; + } + filetypeOK: + + /* + * If we're on OSX, we also have to worry about matching the file creator + * code (if specified). Do that now. + */ + #ifdef MAC_OSX_TCL - if (types->macType != NULL || types->macCreator != NULL || - (types->perm & TCL_GLOB_PERM_HIDDEN)) { - int matchResult; + if (types->macType != NULL || types->macCreator != NULL || + (types->perm & TCL_GLOB_PERM_HIDDEN)) { + int matchResult; - if (types->perm == 0 && types->type == 0) { - /* - * We haven't yet done a stat on the file. - */ + if (types->perm == 0 && types->type == 0) { + /* + * We haven't yet done a stat on the file. + */ - if (TclOSstat(nativeEntry, &buf) != 0) { - return 0; - } + if (TclOSstat(nativeEntry, &buf) != 0) { + return 0; } + } - matchResult = TclMacOSXMatchType(interp, nativeEntry, nativeName, - &buf, types); - if (matchResult != 1) { - return matchResult; - } + matchResult = TclMacOSXMatchType(interp, nativeEntry, nativeName, + &buf, types); + if (matchResult != 1) { + return matchResult; } -#endif } +#endif /* MAC_OSX_TCL */ + return 1; } @@ -571,17 +582,16 @@ NativeMatchType( *---------------------------------------------------------------------- */ -char * +const char * TclpGetUserHome( - CONST char *name, /* User name for desired home directory. */ + const char *name, /* User name for desired home directory. */ Tcl_DString *bufferPtr) /* Uninitialized or free DString filled with * name of user's home directory. */ { struct passwd *pwPtr; Tcl_DString ds; - CONST char *native; + const char *native = Tcl_UtfToExternalDString(NULL, name, -1, &ds); - native = Tcl_UtfToExternalDString(NULL, name, -1, &ds); pwPtr = TclpGetPwNam(native); /* INTL: Native. */ Tcl_DStringFree(&ds); @@ -613,12 +623,12 @@ TclpObjAccess( Tcl_Obj *pathPtr, /* Path of file to access */ int mode) /* Permission setting. */ { - CONST char *path = Tcl_FSGetNativePath(pathPtr); + const char *path = Tcl_FSGetNativePath(pathPtr); + if (path == NULL) { return -1; - } else { - return access(path, mode); } + return access(path, mode); } /* @@ -641,12 +651,12 @@ int TclpObjChdir( Tcl_Obj *pathPtr) /* Path to new working directory */ { - CONST char *path = Tcl_FSGetNativePath(pathPtr); + const char *path = Tcl_FSGetNativePath(pathPtr); + if (path == NULL) { return -1; - } else { - return chdir(path); } + return chdir(path); } /* @@ -701,24 +711,27 @@ TclpGetNativeCwd( char buffer[MAXPATHLEN+1]; #ifdef USEGETWD - if (getwd(buffer) == NULL) /* INTL: Native. */ + if (getwd(buffer) == NULL) { /* INTL: Native. */ + return NULL; + } #else - if (getcwd(buffer, MAXPATHLEN+1) == NULL) /* INTL: Native. */ -#endif - { + if (getcwd(buffer, MAXPATHLEN+1) == NULL) { /* INTL: Native. */ return NULL; } - if ((clientData != NULL) && strcmp(buffer, (CONST char*)clientData) == 0) { - /* - * No change to pwd. - */ +#endif + + if ((clientData == NULL) || strcmp(buffer, (const char*)clientData)) { + char *newCd = ckalloc(strlen(buffer) + 1); - return clientData; - } else { - char *newCd = (char *) ckalloc((unsigned) (strlen(buffer) + 1)); strcpy(newCd, buffer); - return (ClientData) newCd; + return newCd; } + + /* + * No change to pwd. + */ + + return clientData; } /* @@ -743,7 +756,7 @@ TclpGetNativeCwd( *---------------------------------------------------------------------- */ -CONST char * +const char * TclpGetCwd( Tcl_Interp *interp, /* If non-NULL, used for error reporting. */ Tcl_DString *bufferPtr) /* Uninitialized or free DString filled with @@ -789,14 +802,14 @@ TclpGetCwd( char * TclpReadlink( - CONST char *path, /* Path of file to readlink (UTF-8). */ + const char *path, /* Path of file to readlink (UTF-8). */ Tcl_DString *linkPtr) /* Uninitialized or free DString filled with * contents of link (UTF-8). */ { #ifndef DJGPP char link[MAXPATHLEN]; int length; - CONST char *native; + const char *native; Tcl_DString ds; native = Tcl_UtfToExternalDString(NULL, path, -1, &ds); @@ -835,12 +848,12 @@ TclpObjStat( Tcl_Obj *pathPtr, /* Path of file to stat */ Tcl_StatBuf *bufPtr) /* Filled with results of stat call. */ { - CONST char *path = Tcl_FSGetNativePath(pathPtr); + const char *path = Tcl_FSGetNativePath(pathPtr); + if (path == NULL) { return -1; - } else { - return TclOSstat(path, bufPtr); } + return TclOSstat(path, bufPtr); } #ifdef S_IFLNK @@ -852,8 +865,8 @@ TclpObjLink( int linkAction) { if (toPtr != NULL) { - CONST char *src = Tcl_FSGetNativePath(pathPtr); - CONST char *target = NULL; + const char *src = Tcl_FSGetNativePath(pathPtr); + const char *target = NULL; if (src == NULL) { return NULL; @@ -977,12 +990,8 @@ TclpObjLink( } Tcl_ExternalToUtfDString(NULL, link, length, &ds); - linkPtr = Tcl_NewStringObj(Tcl_DStringValue(&ds), - Tcl_DStringLength(&ds)); - Tcl_DStringFree(&ds); - if (linkPtr != NULL) { - Tcl_IncrRefCount(linkPtr); - } + linkPtr = TclDStringToObj(&ds); + Tcl_IncrRefCount(linkPtr); return linkPtr; } } @@ -1044,19 +1053,9 @@ TclpNativeToNormalized( ClientData clientData) { Tcl_DString ds; - Tcl_Obj *objPtr; - int len; - - CONST char *copy; - Tcl_ExternalToUtfDString(NULL, (CONST char*)clientData, -1, &ds); - - copy = Tcl_DStringValue(&ds); - len = Tcl_DStringLength(&ds); - - objPtr = Tcl_NewStringObj(copy,len); - Tcl_DStringFree(&ds); - return objPtr; + Tcl_ExternalToUtfDString(NULL, (const char *) clientData, -1, &ds); + return TclDStringToObj(&ds); } /* @@ -1080,10 +1079,10 @@ TclNativeCreateNativeRep( Tcl_Obj *pathPtr) { char *nativePathPtr; + const char *str; Tcl_DString ds; Tcl_Obj *validPathPtr; int len; - char *str; if (TclFSCwdIsNative()) { /* @@ -1112,11 +1111,11 @@ TclNativeCreateNativeRep( Tcl_UtfToExternalDString(NULL, str, len, &ds); len = Tcl_DStringLength(&ds) + sizeof(char); Tcl_DecrRefCount(validPathPtr); - nativePathPtr = ckalloc((unsigned) len); - memcpy((void*)nativePathPtr, (void*)Tcl_DStringValue(&ds), (size_t) len); + nativePathPtr = ckalloc(len); + memcpy(nativePathPtr, Tcl_DStringValue(&ds), (size_t) len); Tcl_DStringFree(&ds); - return (ClientData)nativePathPtr; + return nativePathPtr; } /* @@ -1151,11 +1150,11 @@ TclNativeDupInternalRep( * ASCII representation when running on Unix. */ - len = sizeof(char) + (strlen((CONST char*) clientData) * sizeof(char)); + len = (strlen((const char*) clientData) + 1) * sizeof(char); - copy = (char *) ckalloc(len); - memcpy((void *) copy, (void *) clientData, len); - return (ClientData)copy; + copy = ckalloc(len); + memcpy(copy, clientData, len); + return copy; } /* |