/* * dfltmsgstr * * choose an appropriate message by evaluating the plural expression, * and return it. */ static char * dfltmsgstr(Msg_g_node *gmnp, const char *msgstr, size_t msgstr_len, struct msg_pack *mp) { unsigned int pindex; size_t len; const char *p; #ifdef GETTEXT_DEBUG (void) printf("*************** dfltmsgstr(0x%p, \"%s\", %d, 0x%p)\n", (void *)gmnp, msgstr ? msgstr : "(null)", msgstr_len, (void *)mp); printgnumsg(gmnp, 0); printmp(mp, 0); #endif if (mp->plural) { if (gmnp->plural) { pindex = plural_eval(gmnp->plural, mp->n); } else { /* * This mo does not have plural information. * Using the English form. */ if (mp->n == 1) pindex = 0; else pindex = 1; } #ifdef GETTEXT_DEBUG (void) printf("plural_eval returned: %d\n", pindex); #endif if (pindex >= gmnp->nplurals) { /* should never happen */ pindex = 0; } p = msgstr; for (; pindex != 0; pindex--) { len = msgstr_len - (p - msgstr); p = memchr(p, '\0', len); if (!p) { /* * null byte not found * this should never happen */ char *result; DFLTMSG(result, mp->msgid1, mp->msgid2, mp->n, mp->plural); return (result); } p++; /* skip */ } return ((char *)p); } return ((char *)msgstr); }
/* * handle_mo() returns NULL if invalid MO found. */ char * handle_mo(struct msg_pack *mp) { int fd; char *result; struct stat64 statbuf; Msg_node *mnp; Gettext_t *gt = global_gt; #define CONNECT_ENTRY \ mnp->next = gt->m_node; \ gt->m_node = mnp; \ gt->c_m_node = mnp #ifdef GETTEXT_DEBUG gprintf(0, "*************** handle_mo(0x%p)\n", (void *)mp); printmp(mp, 1); #endif mnp = check_cache(mp); if (mnp != NULL) { /* cache found */ return (handle_type_mo(mnp, mp)); } /* * Valid entry not found in the cache */ mnp = calloc(1, sizeof (Msg_node)); if (mnp == NULL) { DFLTMSG(result, mp->msgid1, mp->msgid2, mp->n, mp->plural); return (result); } mnp->hashid = mp->hash_domain; mnp->path = strdup(mp->msgfile); if (mnp->path == NULL) { free(mnp); DFLTMSG(result, mp->msgid1, mp->msgid2, mp->n, mp->plural); return (result); } fd = nls_safe_open(mp->msgfile, &statbuf, &mp->trusted, !mp->nlsp); if ((fd == -1) || (statbuf.st_size > LONG_MAX)) { if (fd != -1) (void) close(fd); mnp->type = T_ILL_MO; CONNECT_ENTRY; return (NULL); } mp->fsz = (size_t)statbuf.st_size; mp->addr = mmap(NULL, mp->fsz, PROT_READ, MAP_SHARED, fd, 0); (void) close(fd); if (mp->addr == MAP_FAILED) { free(mnp->path); free(mnp); DFLTMSG(result, mp->msgid1, mp->msgid2, mp->n, mp->plural); return (result); } if (setmsg(mnp, (char *)mp->addr, mp->fsz) == -1) { free(mnp->path); free(mnp); (void) munmap(mp->addr, mp->fsz); DFLTMSG(result, mp->msgid1, mp->msgid2, mp->n, mp->plural); return (result); } mnp->trusted = mp->trusted; CONNECT_ENTRY; return (handle_type_mo(mnp, mp)); }
/* * gnu_key_2_text * * Extracts msgstr from the GNU MO file */ char * gnu_key_2_text(Msg_g_node *gmnp, const char *codeset, struct msg_pack *mp) { char *result, *msgstr; size_t msgstr_len; unsigned int midx; int ret; char *conv_msgstr, *conv_dst; size_t *p; size_t conv_msgstr_len, buflen; iconv_t fd; int conversion, new_encoding; unsigned int num_of_str; #ifdef GETTEXT_DEBUG (void) printf("*************** gnu_key_2_text(" "0x%p, \"%s\", 0x%p)\n", (void *)gmnp, codeset ? codeset : "(null)", (void *)mp); printgnumsg(gmnp, 0); printmp(mp, 0); #endif /* first checks if header entry has been processed */ if (!(gmnp->flag & ST_CHK)) { char *msg_header; msg_header = gnu_msgsearch(gmnp, "", NULL, NULL); ret = parse_header((const char *)msg_header, gmnp); if (ret == -1) { /* fatal error */ DFLTMSG(result, mp->msgid1, mp->msgid2, mp->n, mp->plural); return (result); } gmnp->flag |= ST_CHK; } msgstr = gnu_msgsearch(gmnp, mp->msgid1, &msgstr_len, &midx); if (msgstr == mp->msgid1) { /* not found */ DFLTMSG(result, mp->msgid1, mp->msgid2, mp->n, mp->plural); return (result); } #ifdef GETTEXT_DEBUG printgnumsg(gmnp, 0); #endif if (!gmnp->dst_encoding) { /* * destination encoding has not been set. */ char *dupcodeset = strdup(codeset); if (!dupcodeset) { /* strdup failed */ result = dfltmsgstr(gmnp, msgstr, msgstr_len, mp); return (result); } gmnp->dst_encoding = dupcodeset; if (strcmp(gmnp->dst_encoding, gmnp->src_encoding) == 0) { /* * target encoding and src encoding * are the same. * No conversion required. */ conversion = 0; } else { /* * target encoding is different from * src encoding. * New conversion required. */ /* sanity check */ if (gmnp->fd && (gmnp->fd != (iconv_t)-1)) { (void) iconv_close(gmnp->fd); gmnp->fd = (iconv_t)-1; } if (gmnp->conv_msgstr) free_conv_msgstr(gmnp); conversion = 1; new_encoding = 1; } } else { /* * dst encoding has been already set. */ if (strcmp(gmnp->dst_encoding, codeset) == 0) { /* * dst encoding and target encoding are the same. */ if (strcmp(gmnp->dst_encoding, gmnp->src_encoding) == 0) { /* * dst encoding and src encoding are the same. * No conversion required. */ conversion = 0; } else { /* * dst encoding is different from src encoding. * current conversion is valid. */ conversion = 1; new_encoding = 0; /* checks if iconv_open has succeeded before */ if (gmnp->fd == (iconv_t)-1) { /* * iconv_open should have failed before * Assume this conversion is invalid */ conversion = 0; } else { if (!gmnp->conv_msgstr) { /* * memory allocation for * conv_msgstr should * have failed before. */ new_encoding = 1; if (gmnp->fd) (void) iconv_close( gmnp->fd); gmnp->fd = (iconv_t)-1; } } } } else { /* * dst encoding is different from target encoding. * It has changed since before. */ char *dupcodeset = strdup(codeset); if (!dupcodeset) { result = dfltmsgstr(gmnp, msgstr, msgstr_len, mp); return (result); } free(gmnp->dst_encoding); gmnp->dst_encoding = dupcodeset; if (strcmp(gmnp->dst_encoding, gmnp->src_encoding) == 0) { /* * dst encoding and src encoding are the same. * now, no conversion required. */ conversion = 0; } else { /* * dst encoding is different from src encoding. * new conversion required. */ conversion = 1; new_encoding = 1; } if (gmnp->fd && (gmnp->fd != (iconv_t)-1)) { (void) iconv_close(gmnp->fd); } if (gmnp->fd != (iconv_t)-1) { gmnp->fd = (iconv_t)-1; } if (gmnp->conv_msgstr) free_conv_msgstr(gmnp); } } if (conversion == 0) { /* no conversion */ result = dfltmsgstr(gmnp, msgstr, msgstr_len, mp); return (result); } /* conversion required */ if (new_encoding == 0) { /* dst codeset hasn't been changed since before */ if (!gmnp->conv_msgstr[midx]) { /* this msgstr hasn't been converted yet */ conv_msgstr_len = do_conv(gmnp->fd, &conv_dst, (const char *)msgstr, msgstr_len); if (conv_msgstr_len == (size_t)-1) { result = dfltmsgstr(gmnp, msgstr, msgstr_len, mp); return (result); } buflen = (conv_msgstr_len + sizeof (size_t)); /* allign to sizeof (size_t) */ if (buflen % sizeof (size_t)) buflen += (sizeof (size_t) - (buflen % sizeof (size_t))); p = (size_t *)malloc(buflen); if (!p) { free(conv_dst); result = dfltmsgstr(gmnp, msgstr, msgstr_len, mp); return (result); } *p = conv_msgstr_len; (void) memcpy(p + 1, conv_dst, conv_msgstr_len); free(conv_dst); gmnp->conv_msgstr[midx] = (char *)p; conv_msgstr = (char *)(p + 1); } else { /* this msgstr is in the conversion cache */ /* LINTED */ size_t *cmsg = (size_t *)gmnp->conv_msgstr[midx]; conv_msgstr_len = *cmsg; conv_msgstr = (char *)(cmsg + 1); } result = dfltmsgstr(gmnp, conv_msgstr, conv_msgstr_len, mp); return (result); } /* new conversion */ #ifdef GETTEXT_DEBUG (void) printf("******* calling iconv_open()\n"); (void) printf(" dst: \"%s\", src: \"%s\"\n", gmnp->dst_encoding, gmnp->src_encoding); #endif fd = iconv_open(gmnp->dst_encoding, gmnp->src_encoding); gmnp->fd = fd; if (fd == (iconv_t)-1) { /* * iconv_open() failed. * no conversion */ result = dfltmsgstr(gmnp, msgstr, msgstr_len, mp); return (result); } num_of_str = SWAP(gmnp, gmnp->msg_file_info->num_of_str); gmnp->conv_msgstr = (char **)calloc((size_t)num_of_str, sizeof (char *)); if (!gmnp->conv_msgstr) { /* malloc failed */ result = dfltmsgstr(gmnp, msgstr, msgstr_len, mp); return (result); } conv_msgstr_len = do_conv(gmnp->fd, &conv_dst, (const char *)msgstr, msgstr_len); if (conv_msgstr_len == (size_t)-1) { free_conv_msgstr(gmnp); result = dfltmsgstr(gmnp, msgstr, msgstr_len, mp); return (result); } buflen = (conv_msgstr_len + sizeof (size_t)); /* allign to sizeof (size_t) */ if (buflen % sizeof (size_t)) buflen += (sizeof (size_t) - (buflen % sizeof (size_t))); p = (size_t *)malloc(buflen); if (!p) { free(conv_dst); free_conv_msgstr(gmnp); result = dfltmsgstr(gmnp, msgstr, msgstr_len, mp); return (result); } *p = conv_msgstr_len; (void) memcpy(p + 1, conv_dst, conv_msgstr_len); free(conv_dst); gmnp->conv_msgstr[midx] = (char *)p; conv_msgstr = (char *)(p + 1); result = dfltmsgstr(gmnp, conv_msgstr, conv_msgstr_len, mp); return (result); }
/* * handle_lang * * take care of the LANGUAGE specification */ char * handle_lang(struct cache_pack *cp, struct msg_pack *mp) { Gettext_t *gt = global_gt; struct stat64 statbuf; const char *p, *op, *q; char *locale = NULL, *olocale, *result; unsigned int hash_locale; size_t locale_len, olocale_len = 0; int gnu_mo_found = 0; int fd; int ret; #ifdef GETTEXT_DEBUG (void) printf("*************** handle_lang(0x%p, 0x%p)\n", (void *)cp, (void *)mp); printcp(cp, 0); printmp(mp, 0); #endif p = mp->language; while (*p) { op = p; q = strchr(p, ':'); if (!q) { locale_len = strlen(p); p += locale_len; } else { locale_len = q - p; p += locale_len + 1; } if ((locale_len >= MAXPATHLEN) || (locale_len == 0)) { /* illegal locale name */ continue; } if (olocale_len < locale_len) { olocale = locale; locale = (char *)realloc(locale, locale_len + 1); if (!locale) { if (olocale) free(olocale); DFLTMSG(result, mp->msgid1, mp->msgid2, mp->n, mp->plural); return (result); } olocale_len = locale_len; } (void) memcpy(locale, op, locale_len); locale[locale_len] = '\0'; hash_locale = get_hashid(locale, NULL); mp->locale = locale; mp->hash_locale = hash_locale; mp->locale_len = locale_len; #ifdef GETTEXT_DEBUG *mp->msgfile = '\0'; #endif if (mk_msgfile(mp) == NULL) { /* illegal locale name */ continue; } cp->node_hash = NULL; ret = check_cache(cp, mp); if (ret) { /* * found in cache */ switch (cp->mnp->type) { case T_ILL_MO: /* invalid MO */ continue; case T_SUN_MO: /* Solaris MO */ goto out_loop; case T_GNU_MO: /* GNU MO */ gnu_mo_found = 1; result = handle_gnu_mo(cp, mp, gt); if (result) { free(locale); return (result); } continue; } /* NOTREACHED */ } /* * not found in cache */ fd = nls_safe_open(mp->msgfile, &statbuf, &mp->trusted, 1); if ((fd == -1) || (statbuf.st_size > LONG_MAX)) { if (connect_invalid_entry(cp, mp) == -1) { DFLTMSG(result, mp->msgid1, mp->msgid2, mp->n, mp->plural); free(locale); return (result); } continue; } mp->fsz = (size_t)statbuf.st_size; mp->addr = mmap(0, mp->fsz, PROT_READ, MAP_SHARED, fd, 0); (void) close(fd); if (mp->addr == (caddr_t)-1) { if (connect_invalid_entry(cp, mp) == -1) { DFLTMSG(result, mp->msgid1, mp->msgid2, mp->n, mp->plural); free(locale); return (result); } continue; } cp->mnp = create_mnp(mp); if (!cp->mnp) { free(locale); free_mnp_mp(cp->mnp, mp); DFLTMSG(result, mp->msgid1, mp->msgid2, mp->n, mp->plural); return (result); } if (setmsg(cp->mnp, (char *)mp->addr, mp->fsz) == -1) { free(locale); free_mnp_mp(cp->mnp, mp); DFLTMSG(result, mp->msgid1, mp->msgid2, mp->n, mp->plural); return (result); } if (!cp->cacheline) { cp->cnp = create_cnp(cp->mnp, mp); if (!cp->cnp) { free(locale); free_mnp_mp(cp->mnp, mp); DFLTMSG(result, mp->msgid1, mp->msgid2, mp->n, mp->plural); return (result); } } cp->mnp->trusted = mp->trusted; connect_entry(cp); switch (cp->mnp->type) { case T_ILL_MO: /* invalid MO */ continue; case T_SUN_MO: /* Solaris MO */ goto out_loop; case T_GNU_MO: /* GNU MO */ gnu_mo_found = 1; result = handle_gnu_mo(cp, mp, gt); if (result) { free(locale); return (result); } continue; } /* NOTREACHED */ } out_loop: if (gnu_mo_found) { DFLTMSG(result, mp->msgid1, mp->msgid2, mp->n, mp->plural); free(locale); return (result); } if (locale) free(locale); return (NULL); }