diff options
Diffstat (limited to 'lib/libc/nls/msgcat.c')
-rw-r--r-- | lib/libc/nls/msgcat.c | 396 |
1 files changed, 0 insertions, 396 deletions
diff --git a/lib/libc/nls/msgcat.c b/lib/libc/nls/msgcat.c deleted file mode 100644 index 2c773f4be20..00000000000 --- a/lib/libc/nls/msgcat.c +++ /dev/null @@ -1,396 +0,0 @@ -/* $NetBSD: msgcat.c,v 1.11 1995/02/27 13:06:51 cgd Exp $ */ - -/*********************************************************** -Copyright 1990, by Alfalfa Software Incorporated, Cambridge, Massachusetts. - - All Rights Reserved - -Permission to use, copy, modify, and distribute this software and its -documentation for any purpose and without fee is hereby granted, -provided that the above copyright notice appear in all copies and that -both that copyright notice and this permission notice appear in -supporting documentation, and that Alfalfa's name not be used in -advertising or publicity pertaining to distribution of the software -without specific, written prior permission. - -ALPHALPHA DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING -ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL -ALPHALPHA BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR -ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, -WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, -ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS -SOFTWARE. - -If you make any modifications, bugfixes or other changes to this software -we'd appreciate it if you could send a copy to us so we can keep things -up-to-date. Many thanks. - Kee Hinckley - Alfalfa Software, Inc. - 267 Allston St., #3 - Cambridge, MA 02139 USA - nazgul@alfalfa.com - -******************************************************************/ - -#if defined(LIBC_SCCS) && !defined(lint) -static char *rcsid = "$NetBSD: msgcat.c,v 1.11 1995/02/27 13:06:51 cgd Exp $"; -#endif /* LIBC_SCCS and not lint */ - -/* Edit History - -03/06/91 4 schulert remove working directory from nlspath -01/18/91 2 hamilton #if not rescanned -01/12/91 3 schulert conditionally use prototypes -11/03/90 1 hamilton Alphalpha->Alfalfa & OmegaMail->Poste -10/15/90 2 schulert > #include <unistd.h> if MIPS -08/13/90 1 schulert move from ua to omu -*/ - -/* - * We need a better way of handling errors than printing text. I need - * to add an error handling routine. - */ - -#include "nl_types.h" -#include "msgcat.h" - -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - -#ifndef True -# define True ~0 -# define False 0 -#endif - -/* take care of sysv diffs */ -#ifndef MAXPATHLEN -#define MAXPATHLEN 1024 -#endif - -#ifndef FD_CLOEXEC -#define FD_CLOEXEC 1 -#endif - -#define NLERR ((nl_catd) -1) - -static nl_catd loadCat(); -static nl_catd loadSet(); - -nl_catd _catopen( name, type) -__const char *name; -int type; -{ - char path[MAXPATHLEN]; - __const char *catpath = NULL; - char *nlspath, *tmppath = NULL; - char *lang; - long len; - char *base, *cptr, *pathP; - struct stat sbuf; - - if (!name || !*name) return(NLERR); - - if (strchr(name, '/')) { - catpath = name; - if (stat(catpath, &sbuf)) return(0); - } else { - if ((lang = (char *) getenv("LANG")) == NULL) lang = "C"; - if ((nlspath = (char *) getenv("NLSPATH")) == NULL) { - nlspath = "/usr/share/nls/%L/%N.cat:/usr/share/nls/%N/%L"; - } - - len = strlen(nlspath); - base = cptr = (char *) malloc(len + 2); - if (!base) return(NLERR); - strcpy(cptr, nlspath); - cptr[len] = ':'; - cptr[len+1] = '\0'; - - for (nlspath = cptr; *cptr; ++cptr) { - if (*cptr == ':') { - *cptr = '\0'; - for (pathP = path; *nlspath; ++nlspath) { - if (*nlspath == '%') { - if (*(nlspath + 1) == 'L') { - ++nlspath; - strcpy(pathP, lang); - pathP += strlen(lang); - } else if (*(nlspath + 1) == 'N') { - ++nlspath; - strcpy(pathP, name); - pathP += strlen(name); - } else *(pathP++) = *nlspath; - } else *(pathP++) = *nlspath; - } - *pathP = '\0'; - if (stat(path, &sbuf) == 0) { - catpath = path; - break; - } - nlspath = cptr+1; - } - } - free(base); - if (tmppath) free(tmppath); - - if (!catpath) return(0); - } - - return(loadCat(catpath, type)); -} - -/* - * We've got an odd situation here. The odds are real good that the - * number we are looking for is almost the same as the index. We could - * use the index, check the difference and do something intelligent, but - * I haven't quite figured out what's intelligent. - * - * Here's a start. - * Take an id N. If there are > N items in the list, then N cannot - * be more than N items from the start, since otherwise there would - * have to be duplicate items. So we can safely set the top to N+1 - * (after taking into account that ids start at 1, and arrays at 0) - * - * Let's say we are at position P, and we are looking for N, but have - * V. If N > V, then the furthest away that N could be is - * P + (N-V). So we can safely set hi to P+(N-V)+1. For example: - * We are looking for 10, but have 8 - * 8 ? ? ? ? - * >=9 >=10 >=11 - * - */ -static MCSetT *MCGetSet( cat, setId) -MCCatT *cat; -int setId; -{ - MCSetT *set; - long lo, hi, cur, dir; - - if (!cat || setId <= 0) return(NULL); - - lo = 0; - if (setId - 1 < cat->numSets) { - cur = setId - 1; - hi = setId; - } else { - hi = cat->numSets; - cur = (hi - lo) / 2; - } - - while (True) { - set = cat->sets + cur; - if (set->setId == setId) break; - if (set->setId < setId) { - lo = cur+1; - if (hi > cur + (setId - set->setId) + 1) hi = cur+(setId-set->setId)+1; - dir = 1; - } else { - hi = cur; - dir = -1; - } - if (lo >= hi) return(NULL); - if (hi - lo == 1) cur += dir; - else cur += ((hi - lo) / 2) * dir; - } - if (set->invalid) loadSet(cat, set); - return(set); -} - - -static MCMsgT *MCGetMsg( set, msgId) -MCSetT *set; -int msgId; -{ - MCMsgT *msg; - long lo, hi, cur, dir; - - if (!set || set->invalid || msgId <= 0) return(NULL); - - lo = 0; - if (msgId - 1 < set->numMsgs) { - cur = msgId - 1; - hi = msgId; - } else { - hi = set->numMsgs; - cur = (hi - lo) / 2; - } - - while (True) { - msg = set->u.msgs + cur; - if (msg->msgId == msgId) break; - if (msg->msgId < msgId) { - lo = cur+1; - if (hi > cur + (msgId - msg->msgId) + 1) hi = cur+(msgId-msg->msgId)+1; - dir = 1; - } else { - hi = cur; - dir = -1; - } - if (lo >= hi) return(NULL); - if (hi - lo == 1) cur += dir; - else cur += ((hi - lo) / 2) * dir; - } - return(msg); -} - -char *_catgets( catd, setId, msgId, dflt) -nl_catd catd; -int setId; -int msgId; -char *dflt; -{ - MCMsgT *msg; - MCCatT *cat = (MCCatT *) catd; - char *cptr; - - msg = MCGetMsg(MCGetSet(cat, setId), msgId); - if (msg) cptr = msg->msg.str; - else cptr = dflt; - return(cptr); -} - - -int _catclose( catd) -nl_catd catd; -{ - MCCatT *cat = (MCCatT *) catd; - MCSetT *set; - MCMsgT *msg; - int i, j; - - if (!cat) return -1; - - if (cat->loadType != MCLoadAll) close(cat->fd); - for (i = 0; i < cat->numSets; ++i) { - set = cat->sets + i; - if (!set->invalid) { - free(set->data.str); - free(set->u.msgs); - } - } - free(cat->sets); - free(cat); - - return 0; -} - -/* - * Internal routines - */ - -/* Note that only malloc failures are allowed to return an error */ -#define ERRNAME "Message Catalog System" -#define CORRUPT() {fprintf(stderr, "%s: corrupt file.\n", ERRNAME); return(0);} -#define NOSPACE() {fprintf(stderr, "%s: no more memory.\n", ERRNAME); return(NLERR);} - -static nl_catd loadCat( catpath, type) -__const char *catpath; -int type; -{ - MCHeaderT header; - MCCatT *cat; - MCSetT *set; - MCMsgT *msg; - long i, j; - off_t nextSet; - - cat = (MCCatT *) malloc(sizeof(MCCatT)); - if (!cat) return(NLERR); - cat->loadType = type; - - if ((cat->fd = open(catpath, O_RDONLY)) < 0) { - return(0); - } - - fcntl(cat->fd, F_SETFD, FD_CLOEXEC); - - if (read(cat->fd, &header, sizeof(header)) != sizeof(header)) CORRUPT(); - - if (strncmp(header.magic, MCMagic, MCMagicLen) != 0) CORRUPT(); - - if (header.majorVer != MCMajorVer) { - fprintf(stderr, "%s: %s is version %d, we need %d.\n", ERRNAME, - catpath, header.majorVer, MCMajorVer); - return(0); - } - - if (header.numSets <= 0) { - fprintf(stderr, "%s: %s has %d sets!\n", ERRNAME, catpath, - header.numSets); - return(0); - } - - cat->numSets = header.numSets; - cat->sets = (MCSetT *) malloc(sizeof(MCSetT) * header.numSets); - if (!cat->sets) NOSPACE(); - - nextSet = header.firstSet; - for (i = 0; i < cat->numSets; ++i) { - if (lseek(cat->fd, nextSet, 0) == -1) CORRUPT(); - - /* read in the set header */ - set = cat->sets + i; - if (read(cat->fd, set, sizeof(*set)) != sizeof(*set)) CORRUPT(); - - /* if it's invalid, skip over it (and backup 'i') */ - - if (set->invalid) { - --i; - nextSet = set->nextSet; - continue; - } - - if (cat->loadType == MCLoadAll) { - nl_catd res; - if ((res = loadSet(cat, set)) <= 0) { - if (res == -1) NOSPACE(); - CORRUPT(); - } - } else set->invalid = True; - nextSet = set->nextSet; - } - if (cat->loadType == MCLoadAll) { - close(cat->fd); - cat->fd = -1; - } - return((nl_catd) cat); -} - -static nl_catd loadSet( cat, set) -MCCatT *cat; -MCSetT *set; -{ - MCMsgT *msg; - int i; - - /* Get the data */ - if (lseek(cat->fd, set->data.off, 0) == -1) return(0); - if ((set->data.str = (char *) malloc(set->dataLen)) == NULL) return(-1); - if (read(cat->fd, set->data.str, set->dataLen) != set->dataLen) return(0); - - /* Get the messages */ - if (lseek(cat->fd, set->u.firstMsg, 0) == -1) return(0); - if ((set->u.msgs = (MCMsgT *) malloc(sizeof(MCMsgT) * set->numMsgs)) == NULL) return(-1); - - for (i = 0; i < set->numMsgs; ++i) { - msg = set->u.msgs + i; - if (read(cat->fd, msg, sizeof(*msg)) != sizeof(*msg)) return(0); - if (msg->invalid) { - --i; - continue; - } - msg->msg.str = (char *) (set->data.str + msg->msg.off); - } - set->invalid = False; - return(1); -} - - - - - |