X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Ftinfo%2Fwrite_entry.c;h=e0a72670e8c6c225d9bf21afb6e76cefe1c4ae22;hp=4829fa936d016d1bb326ea14f17a67b63510b891;hb=af3d0ee323cbb22d2a7596d564bf68f7307f5076;hpb=0eb88fc5281804773e2a0c7a488a4452463535ce diff --git a/ncurses/tinfo/write_entry.c b/ncurses/tinfo/write_entry.c index 4829fa93..e0a72670 100644 --- a/ncurses/tinfo/write_entry.c +++ b/ncurses/tinfo/write_entry.c @@ -1,5 +1,5 @@ /**************************************************************************** - * Copyright (c) 1998 Free Software Foundation, Inc. * + * Copyright (c) 1998-2015,2017 Free Software Foundation, Inc. * * * * Permission is hereby granted, free of charge, to any person obtaining a * * copy of this software and associated documentation files (the * @@ -29,107 +29,187 @@ /**************************************************************************** * Author: Zeyd M. Ben-Halim 1992,1995 * * and: Eric S. Raymond * + * and: Thomas E. Dickey 1996-on * ****************************************************************************/ - - /* * write_entry.c -- write a terminfo structure onto the file system */ #include - -#include +#include #include -#include -#ifndef S_ISDIR -#define S_ISDIR(mode) ((mode & S_IFMT) == S_IFDIR) -#endif - -#if 0 +#if 1 #define TRACE_OUT(p) DEBUG(2, p) #else -#define TRACE_OUT(p) /*nothing*/ +#define TRACE_OUT(p) /*nothing */ #endif -MODULE_ID("$Id: write_entry.c,v 1.47 1999/07/10 20:29:22 tom Exp $") +MODULE_ID("$Id: write_entry.c,v 1.99 2017/04/09 23:35:01 tom Exp $") static int total_written; +static int total_parts; +static int total_size; -static int write_object(FILE *, TERMTYPE *); +static int make_db_root(const char *); -static void write_file(char *filename, TERMTYPE *tp) +#if !USE_HASHED_DB +static void +write_file(char *filename, TERMTYPE2 *tp) { - FILE *fp = (_nc_access(filename, W_OK) == 0) ? fopen(filename, "wb") : 0; - if (fp == 0) { - perror(filename); - _nc_syserr_abort("can't open %s/%s", _nc_tic_dir(0), filename); - } - DEBUG(1, ("Created %s", filename)); + char buffer[MAX_ENTRY_SIZE]; + unsigned limit = sizeof(buffer); + unsigned offset = 0; + + FILE *fp = (_nc_access(filename, W_OK) == 0) ? fopen(filename, "wb") : 0; + if (fp == 0) { + perror(filename); + _nc_syserr_abort("can't open %s/%s", _nc_tic_dir(0), filename); + } + DEBUG(1, ("Created %s", filename)); - if (write_object(fp, tp) == ERR) { - _nc_syserr_abort("error writing %s/%s", _nc_tic_dir(0), filename); - } - fclose(fp); + if (_nc_write_object(tp, buffer, &offset, limit) == ERR + || fwrite(buffer, sizeof(char), (size_t) offset, fp) != offset) { + _nc_syserr_abort("error writing %s/%s", _nc_tic_dir(0), filename); + } + + fclose(fp); } /* - * make_directory(char *path) + * Check for access rights to destination directories + * Create any directories which don't exist. * - * Make a directory if it doesn't exist. + * Note: there's no reason to return the result of make_db_root(), since + * this function is called only in instances where that has to succeed. */ -static int make_directory(const char *path) +static void +check_writeable(int code) { -int rc; -struct stat statbuf; -char fullpath[PATH_MAX]; -const char *destination = _nc_tic_dir(0); - - if (path == destination || *path == '/') { - if (strlen(path) + 1 > sizeof(fullpath)) - return(-1); - (void)strcpy(fullpath, path); - } else { - if (strlen(destination) + strlen(path) + 2 > sizeof(fullpath)) - return(-1); - (void)sprintf(fullpath, "%s/%s", destination, path); + static const char dirnames[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"; + static bool verified[sizeof(dirnames)]; + + char dir[sizeof(LEAF_FMT)]; + char *s = 0; + + if (code == 0 || (s = (strchr) (dirnames, code)) == 0) + _nc_err_abort("Illegal terminfo subdirectory \"" LEAF_FMT "\"", code); + + if (verified[s - dirnames]) + return; + + _nc_SPRINTF(dir, _nc_SLIMIT(sizeof(dir)) LEAF_FMT, code); + if (make_db_root(dir) < 0) { + _nc_err_abort("%s/%s: permission denied", _nc_tic_dir(0), dir); + } + + verified[s - dirnames] = TRUE; +} +#endif /* !USE_HASHED_DB */ + +static int +make_db_path(char *dst, const char *src, size_t limit) +{ + int rc = -1; + const char *top = _nc_tic_dir(0); + + if (src == top || _nc_is_abs_path(src)) { + if (strlen(src) + 1 <= limit) { + _nc_STRCPY(dst, src, limit); + rc = 0; + } + } else { + if (strlen(top) + strlen(src) + 2 <= limit) { + _nc_SPRINTF(dst, _nc_SLIMIT(limit) "%s/%s", top, src); + rc = 0; + } + } +#if USE_HASHED_DB + if (rc == 0) { + static const char suffix[] = DBM_SUFFIX; + size_t have = strlen(dst); + size_t need = strlen(suffix); + if (have > need && strcmp(dst + (int) (have - need), suffix)) { + if (have + need <= limit) { + _nc_STRCAT(dst, suffix, limit); + } else { + rc = -1; + } + } else if (_nc_is_dir_path(dst)) { + rc = -1; } + } +#endif + return rc; +} + +/* + * Make a database-root if it doesn't exist. + */ +static int +make_db_root(const char *path) +{ + int rc; + char fullpath[PATH_MAX]; + + if ((rc = make_db_path(fullpath, path, sizeof(fullpath))) == 0) { +#if USE_HASHED_DB + DB *capdbp; + + if ((capdbp = _nc_db_open(fullpath, TRUE)) == NULL) { + rc = -1; + } else if (_nc_db_close(capdbp) < 0) { + rc = -1; + } +#else + struct stat statbuf; if ((rc = stat(path, &statbuf)) < 0) { - rc = mkdir(path, 0777); - } else { - if (_nc_access(path, R_OK|W_OK|X_OK) < 0) { - rc = -1; /* permission denied */ - } else if (!(S_ISDIR(statbuf.st_mode))) { - rc = -1; /* not a directory */ - } + rc = mkdir(path +#if !defined(__MINGW32__) + ,0777 +#endif + ); + } else if (_nc_access(path, R_OK | W_OK | X_OK) < 0) { + rc = -1; /* permission denied */ + } else if (!(S_ISDIR(statbuf.st_mode))) { + rc = -1; /* not a directory */ } - return rc; +#endif + } + return rc; } -void _nc_set_writedir(char *dir) -/* set the write directory for compiled entries */ +/* + * Set the write directory for compiled entries. + */ +NCURSES_EXPORT(void) +_nc_set_writedir(const char *dir) { const char *destination; char actual[PATH_MAX]; + if (dir == 0 +#ifndef USE_ROOT_ENVIRON + && use_terminfo_vars() +#endif + ) + dir = getenv("TERMINFO"); + if (dir != 0) (void) _nc_tic_dir(dir); - else if (getenv("TERMINFO") != NULL) - (void) _nc_tic_dir(getenv("TERMINFO")); destination = _nc_tic_dir(0); - if (make_directory(destination) < 0) - { - char *home = _nc_home_terminfo(); + if (make_db_root(destination) < 0) { + char *home = _nc_home_terminfo(); if (home != 0) { destination = home; - if (make_directory(destination) < 0) + if (make_db_root(destination) < 0) _nc_err_abort("%s: permission denied (errno %d)", - destination, errno); + destination, errno); } } @@ -137,50 +217,17 @@ void _nc_set_writedir(char *dir) * Note: because of this code, this logic should be exercised * *once only* per run. */ +#if USE_HASHED_DB + make_db_path(actual, destination, sizeof(actual)); +#else if (chdir(_nc_tic_dir(destination)) < 0 - || getcwd(actual, sizeof(actual)) == 0) + || getcwd(actual, sizeof(actual)) == 0) _nc_err_abort("%s: not a directory", destination); +#endif _nc_keep_tic_dir(strdup(actual)); } /* - * check_writeable(char code) - * - * Miscellaneous initialisations - * - * Check for access rights to destination directories - * Create any directories which don't exist. - * Note: there's no reason to return the result of make_directory(), since - * this function is called only in instances where that has to succeed. - * - */ - -static void check_writeable(int code) -{ -static const char dirnames[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"; -static bool verified[sizeof(dirnames)]; - -char dir[2]; -char *s; - - if (code == 0 || (s = strchr(dirnames, code)) == 0) - _nc_err_abort("Illegal terminfo subdirectory \"%c\"", code); - - if (verified[s-dirnames]) - return; - - dir[0] = code; - dir[1] = '\0'; - if (make_directory(dir) < 0) { - _nc_err_abort("%s/%s: permission denied", _nc_tic_dir(0), dir); - } - - verified[s-dirnames] = TRUE; -} - -/* - * _nc_write_entry() - * * Save the compiled version of a description in the filesystem. * * make a copy of the name-list @@ -200,166 +247,291 @@ char *s; * _nc_curr_line is properly set before the write_entry() call. */ -void _nc_write_entry(TERMTYPE *const tp) +NCURSES_EXPORT(void) +_nc_write_entry(TERMTYPE2 *const tp) { -struct stat statbuf; -char name_list[MAX_TERMINFO_LENGTH]; -char *first_name, *other_names; -char *ptr; -char filename[PATH_MAX]; -char linkname[PATH_MAX]; +#if USE_HASHED_DB + + char buffer[MAX_ENTRY_SIZE + 1]; + unsigned limit = sizeof(buffer); + unsigned offset = 0; + +#else /* !USE_HASHED_DB */ + + struct stat statbuf; + char filename[PATH_MAX]; + char linkname[PATH_MAX]; #if USE_SYMLINKS -char symlinkname[PATH_MAX]; + char symlinkname[PATH_MAX]; +#if !HAVE_LINK +#undef HAVE_LINK +#define HAVE_LINK 1 +#endif #endif /* USE_SYMLINKS */ -static int call_count; -static time_t start_time; /* time at start of writes */ - if (call_count++ == 0) { - start_time = 0; - } + static int call_count; + static time_t start_time; /* time at start of writes */ - (void) strcpy(name_list, tp->term_names); - DEBUG(7, ("Name list = '%s'", name_list)); +#endif /* USE_HASHED_DB */ - first_name = name_list; + char name_list[MAX_TERMINFO_LENGTH]; + char *first_name, *other_names; + char *ptr; + char *term_names = tp->term_names; + size_t name_size = strlen(term_names); - ptr = &name_list[strlen(name_list) - 1]; - other_names = ptr + 1; + if (name_size == 0) { + _nc_syserr_abort("no terminal name found."); + } else if (name_size >= sizeof(name_list) - 1) { + _nc_syserr_abort("terminal name too long: %s", term_names); + } - while (ptr > name_list && *ptr != '|') - ptr--; + _nc_STRCPY(name_list, term_names, sizeof(name_list)); + DEBUG(7, ("Name list = '%s'", name_list)); - if (ptr != name_list) { - *ptr = '\0'; + first_name = name_list; - for (ptr = name_list; *ptr != '\0' && *ptr != '|'; ptr++) - continue; + ptr = &name_list[name_size - 1]; + other_names = ptr + 1; - if (*ptr == '\0') - other_names = ptr; - else { - *ptr = '\0'; - other_names = ptr + 1; - } + while (ptr > name_list && *ptr != '|') + ptr--; + + if (ptr != name_list) { + *ptr = '\0'; + + for (ptr = name_list; *ptr != '\0' && *ptr != '|'; ptr++) + continue; + + if (*ptr == '\0') + other_names = ptr; + else { + *ptr = '\0'; + other_names = ptr + 1; } + } + + DEBUG(7, ("First name = '%s'", first_name)); + DEBUG(7, ("Other names = '%s'", other_names)); + + _nc_set_type(first_name); + +#if USE_HASHED_DB + if (_nc_write_object(tp, buffer + 1, &offset, limit - 1) != ERR) { + DB *capdb = _nc_db_open(_nc_tic_dir(0), TRUE); + DBT key, data; + + if (capdb != 0) { + buffer[0] = 0; + + memset(&key, 0, sizeof(key)); + key.data = term_names; + key.size = name_size; + + memset(&data, 0, sizeof(data)); + data.data = buffer; + data.size = offset + 1; + + _nc_db_put(capdb, &key, &data); + + buffer[0] = 2; + + key.data = name_list; + key.size = strlen(name_list); + + _nc_STRCPY(buffer + 1, + term_names, + sizeof(buffer) - 1); + data.size = name_size + 1; + + total_size += data.size; + total_parts++; + _nc_db_put(capdb, &key, &data); - DEBUG(7, ("First name = '%s'", first_name)); - DEBUG(7, ("Other names = '%s'", other_names)); + while (*other_names != '\0') { + ptr = other_names++; + assert(ptr < buffer + sizeof(buffer) - 1); + while (*other_names != '|' && *other_names != '\0') + other_names++; + + if (*other_names != '\0') + *(other_names++) = '\0'; - _nc_set_type(first_name); + key.data = ptr; + key.size = strlen(ptr); + + total_size += data.size; + total_parts++; + _nc_db_put(capdb, &key, &data); + } + } + } +#else /* !USE_HASHED_DB */ + if (call_count++ == 0) { + start_time = 0; + } - if (strlen(first_name) > sizeof(filename)-3) - _nc_warning("terminal name too long."); + if (strlen(first_name) >= sizeof(filename) - (2 + LEAF_LEN)) + _nc_warning("terminal name too long."); - sprintf(filename, "%c/%s", first_name[0], first_name); + _nc_SPRINTF(filename, _nc_SLIMIT(sizeof(filename)) + LEAF_FMT "/%s", first_name[0], first_name); + /* + * Has this primary name been written since the first call to + * write_entry()? If so, the newer write will step on the older, + * so warn the user. + */ + if (start_time > 0 && + stat(filename, &statbuf) >= 0 + && statbuf.st_mtime >= start_time) { +#if HAVE_LINK && !USE_SYMLINKS /* - * Has this primary name been written since the first call to - * write_entry()? If so, the newer write will step on the older, - * so warn the user. + * If the file has more than one link, the reason for the previous + * write could be that the current primary name used to be an alias for + * the previous entry. In that case, unlink the file so that we will + * not modify the previous entry as we write this one. */ - if (start_time > 0 && - stat(filename, &statbuf) >= 0 - && statbuf.st_mtime >= start_time) - { - _nc_warning("name multiply defined."); + if (statbuf.st_nlink > 1) { + _nc_warning("name redefined."); + unlink(filename); + } else { + _nc_warning("name multiply defined."); } +#else + _nc_warning("name multiply defined."); +#endif + } - check_writeable(first_name[0]); - write_file(filename, tp); + check_writeable(first_name[0]); + write_file(filename, tp); - if (start_time == 0) { - if (stat(filename, &statbuf) < 0 - || (start_time = statbuf.st_mtime) == 0) { - _nc_syserr_abort("error obtaining time from %s/%s", - _nc_tic_dir(0), filename); - } + if (start_time == 0) { + if (stat(filename, &statbuf) < 0 + || (start_time = statbuf.st_mtime) == 0) { + _nc_syserr_abort("error obtaining time from %s/%s", + _nc_tic_dir(0), filename); } - while (*other_names != '\0') { - ptr = other_names++; - while (*other_names != '|' && *other_names != '\0') - other_names++; + } + while (*other_names != '\0') { + ptr = other_names++; + while (*other_names != '|' && *other_names != '\0') + other_names++; - if (*other_names != '\0') - *(other_names++) = '\0'; + if (*other_names != '\0') + *(other_names++) = '\0'; - if (strlen(ptr) > sizeof(linkname)-3) { - _nc_warning("terminal alias %s too long.", ptr); - continue; - } - if (strchr(ptr, '/') != 0) { - _nc_warning("cannot link alias %s.", ptr); - continue; - } + if (strlen(ptr) > sizeof(linkname) - (2 + LEAF_LEN)) { + _nc_warning("terminal alias %s too long.", ptr); + continue; + } + if (strchr(ptr, '/') != 0) { + _nc_warning("cannot link alias %s.", ptr); + continue; + } - check_writeable(ptr[0]); - sprintf(linkname, "%c/%s", ptr[0], ptr); + check_writeable(ptr[0]); + _nc_SPRINTF(linkname, _nc_SLIMIT(sizeof(linkname)) + LEAF_FMT "/%s", ptr[0], ptr); - if (strcmp(filename, linkname) == 0) { - _nc_warning("self-synonym ignored"); - } - else if (stat(linkname, &statbuf) >= 0 && - statbuf.st_mtime < start_time) - { - _nc_warning("alias %s multiply defined.", ptr); - } - else if (_nc_access(linkname, W_OK) == 0) + if (strcmp(filename, linkname) == 0) { + _nc_warning("self-synonym ignored"); + } else if (stat(linkname, &statbuf) >= 0 && + statbuf.st_mtime < start_time) { + _nc_warning("alias %s multiply defined.", ptr); + } else if (_nc_access(linkname, W_OK) == 0) #if HAVE_LINK - { - int code; + { + int code; #if USE_SYMLINKS - strcpy(symlinkname, "../"); - strncat(symlinkname, filename, sizeof(symlinkname) - 4); - symlinkname[sizeof(symlinkname) - 1] = '\0'; +#define MY_SIZE sizeof(symlinkname) - 1 + if (first_name[0] == linkname[0]) { + _nc_STRNCPY(symlinkname, first_name, MY_SIZE); + } else { + _nc_STRCPY(symlinkname, "../", sizeof(symlinkname)); + _nc_STRNCPY(symlinkname + 3, filename, MY_SIZE - 3); + } + symlinkname[MY_SIZE] = '\0'; #endif /* USE_SYMLINKS */ #if HAVE_REMOVE - code = remove(linkname); + code = remove(linkname); #else - code = unlink(linkname); + code = unlink(linkname); #endif - if (code != 0 && errno == ENOENT) - code = 0; + if (code != 0 && errno == ENOENT) + code = 0; #if USE_SYMLINKS - if (symlink(symlinkname, linkname) < 0) + if (symlink(symlinkname, linkname) < 0) #else - if (link(filename, linkname) < 0) + if (link(filename, linkname) < 0) #endif /* USE_SYMLINKS */ - { - /* - * If there wasn't anything there, and we cannot - * link to the target because it is the same as the - * target, then the source must be on a filesystem - * that uses caseless filenames, such as Win32, etc. - */ - if (code == 0 && errno == EEXIST) - _nc_warning("can't link %s to %s", filename, linkname); - else if (code == 0 && errno == EPERM) - write_file(linkname, tp); - else - _nc_syserr_abort("can't link %s to %s", filename, linkname); - } - else - { - DEBUG(1, ("Linked %s", linkname)); - } + { + /* + * If there wasn't anything there, and we cannot + * link to the target because it is the same as the + * target, then the source must be on a filesystem + * that uses caseless filenames, such as Win32, etc. + */ + if (code == 0 && errno == EEXIST) + _nc_warning("can't link %s to %s", filename, linkname); + else if (code == 0 && (errno == EPERM || errno == ENOENT)) + write_file(linkname, tp); + else { +#if MIXEDCASE_FILENAMES + _nc_syserr_abort("can't link %s to %s", filename, linkname); +#else + _nc_warning("can't link %s to %s (errno=%d)", filename, + linkname, errno); +#endif } + } else { + DEBUG(1, ("Linked %s", linkname)); + } + } #else /* just make copies */ - write_file(linkname, tp); + write_file(linkname, tp); #endif /* HAVE_LINK */ - } + } +#endif /* USE_HASHED_DB */ } -#undef LITTLE_ENDIAN /* BSD/OS defines this as a feature macro */ +static size_t +fake_write(char *dst, + unsigned *offset, + size_t limit, + char *src, + size_t want, + size_t size) +{ + size_t have = (limit - *offset); + + want *= size; + if (have > 0) { + if (want > have) + want = have; + memcpy(dst + *offset, src, want); + *offset += (unsigned) want; + } else { + want = 0; + } + return (want / size); +} + +#define Write(buf, size, count) fake_write(buffer, offset, (size_t) limit, (char *) buf, (size_t) count, (size_t) size) + +#undef LITTLE_ENDIAN /* BSD/OS defines this as a feature macro */ #define HI(x) ((x) / 256) #define LO(x) ((x) % 256) -#define LITTLE_ENDIAN(p, x) (p)[0] = LO(x), (p)[1] = HI(x) +#define LITTLE_ENDIAN(p, x) (p)[0] = (unsigned char)LO(x), \ + (p)[1] = (unsigned char)HI(x) -#define WRITE_STRING(str) (fwrite(str, sizeof(char), strlen(str) + 1, fp) == strlen(str) + 1) +#define WRITE_STRING(str) (Write(str, sizeof(char), strlen(str) + 1) == strlen(str) + 1) -static int compute_offsets(char **Strings, int strmax, short *offsets) +static int +compute_offsets(char **Strings, size_t strmax, short *offsets) { - size_t nextfree = 0; - int i; + int nextfree = 0; + size_t i; for (i = 0; i < strmax; i++) { if (Strings[i] == ABSENT_STRING) { @@ -367,191 +539,309 @@ static int compute_offsets(char **Strings, int strmax, short *offsets) } else if (Strings[i] == CANCELLED_STRING) { offsets[i] = -2; } else { - offsets[i] = nextfree; - nextfree += strlen(Strings[i]) + 1; - TRACE_OUT(("put Strings[%d]=%s(%d)", i, _nc_visbuf(Strings[i]), nextfree)); + offsets[i] = (short) nextfree; + nextfree += (int) strlen(Strings[i]) + 1; + TRACE_OUT(("put Strings[%d]=%s(%d)", (int) i, + _nc_visbuf(Strings[i]), (int) nextfree)); } } return nextfree; } -static void convert_shorts(unsigned char *buf, short *Numbers, int count) +static void +convert_shorts(unsigned char *buf, short *Numbers, size_t count) +{ + size_t i; + for (i = 0; i < count; i++) { + if (Numbers[i] == ABSENT_NUMERIC) { /* HI/LO won't work */ + buf[2 * i] = buf[2 * i + 1] = 0377; + } else if (Numbers[i] == CANCELLED_NUMERIC) { /* HI/LO won't work */ + buf[2 * i] = 0376; + buf[2 * i + 1] = 0377; + } else { + LITTLE_ENDIAN(buf + 2 * i, Numbers[i]); + TRACE_OUT(("put Numbers[%u]=%d", (unsigned) i, Numbers[i])); + } + } +} + +#if NCURSES_EXT_NUMBERS +static void +convert_numbers(unsigned char *buf, NCURSES_INT2 *Numbers, size_t count) { - int i; + size_t i; for (i = 0; i < count; i++) { - if (Numbers[i] == -1) { /* HI/LO won't work */ - buf[2*i] = buf[2*i + 1] = 0377; - } else if (Numbers[i] == -2) { /* HI/LO won't work */ - buf[2*i] = 0376; - buf[2*i + 1] = 0377; + if (Numbers[i] == ABSENT_NUMERIC) { /* HI/LO won't work */ + buf[2 * i] = buf[2 * i + 1] = 0377; + } else if (Numbers[i] == CANCELLED_NUMERIC) { /* HI/LO won't work */ + buf[2 * i] = 0376; + buf[2 * i + 1] = 0377; } else { - LITTLE_ENDIAN(buf + 2*i, Numbers[i]); - TRACE_OUT(("put Numbers[%d]=%d", i, Numbers[i])); + LITTLE_ENDIAN(buf + 2 * i, Numbers[i]); + TRACE_OUT(("put Numbers[%u]=%d", (unsigned) i, Numbers[i])); } } } +#else +#define convert_numbers(buf,vec,len) convert_shorts(buf,vec,len) +#endif + #define even_boundary(value) \ - ((value) % 2 != 0 && fwrite(&zero, sizeof(char), 1, fp) != 1) + ((value) % 2 != 0 && Write(&zero, sizeof(char), 1) != 1) -static int write_object(FILE *fp, TERMTYPE *tp) +#if NCURSES_XNAMES +static unsigned +extended_Booleans(TERMTYPE2 *tp) { -char *namelist; -size_t namelen, boolmax, nummax, strmax; -char zero = '\0'; -size_t i; -short nextfree; -short offsets[MAX_ENTRY_SIZE/2]; -unsigned char buf[MAX_ENTRY_SIZE]; + unsigned result = 0; + unsigned i; - namelist = tp->term_names; - namelen = strlen(namelist) + 1; + for (i = 0; i < tp->ext_Booleans; ++i) { + if (tp->Booleans[BOOLCOUNT + i] == TRUE) + result = (i + 1); + } + return result; +} - /* - * BOOLWRITE, etc., are less than BOOLCOUNT because we store some - * values internally. - */ - boolmax = 0; - for (i = 0; i < BOOLWRITE; i++) { - if (tp->Booleans[i]) - boolmax = i+1; - } +static unsigned +extended_Numbers(TERMTYPE2 *tp) +{ + unsigned result = 0; + unsigned i; - nummax = 0; - for (i = 0; i < NUMWRITE; i++) { - if (tp->Numbers[i] != ABSENT_NUMERIC) - nummax = i+1; - } + for (i = 0; i < tp->ext_Numbers; ++i) { + if (tp->Numbers[NUMCOUNT + i] != ABSENT_NUMERIC) + result = (i + 1); + } + return result; +} - strmax = 0; - for (i = 0; i < STRWRITE; i++) { - if (tp->Strings[i] != ABSENT_STRING) - strmax = i+1; - } +static unsigned +extended_Strings(TERMTYPE2 *tp) +{ + unsigned short result = 0; + unsigned short i; - nextfree = compute_offsets(tp->Strings, strmax, offsets); + for (i = 0; i < tp->ext_Strings; ++i) { + if (tp->Strings[STRCOUNT + i] != ABSENT_STRING) + result = (unsigned short) (i + 1); + } + return result; +} - /* fill in the header */ - LITTLE_ENDIAN(buf, MAGIC); - LITTLE_ENDIAN(buf+2, min(namelen, MAX_NAME_SIZE + 1)); - LITTLE_ENDIAN(buf+4, boolmax); - LITTLE_ENDIAN(buf+6, nummax); - LITTLE_ENDIAN(buf+8, strmax); - LITTLE_ENDIAN(buf+10, nextfree); +/* + * _nc_align_termtype() will extend entries that are referenced in a use= + * clause - discard the unneeded data. + */ +static bool +extended_object(TERMTYPE2 *tp) +{ + bool result = FALSE; - /* write out the header */ - TRACE_OUT(("Header of %s @%ld", namelist, ftell(fp))); - if (fwrite(buf, 12, 1, fp) != 1 - || fwrite(namelist, sizeof(char), namelen, fp) != namelen - || fwrite(tp->Booleans, sizeof(char), boolmax, fp) != boolmax) - return(ERR); + if (_nc_user_definable) { + result = ((extended_Booleans(tp) + + extended_Numbers(tp) + + extended_Strings(tp)) != 0); + } + return result; +} +#endif - if (even_boundary(namelen+boolmax)) - return(ERR); +NCURSES_EXPORT(int) +_nc_write_object(TERMTYPE2 *tp, char *buffer, unsigned *offset, unsigned limit) +{ + char *namelist; + size_t namelen, boolmax, nummax, strmax; + char zero = '\0'; + size_t i; + int nextfree; + short offsets[MAX_ENTRY_SIZE / 2]; + unsigned char buf[MAX_ENTRY_SIZE]; + unsigned last_bool = BOOLWRITE; + unsigned last_num = NUMWRITE; + unsigned last_str = STRWRITE; - TRACE_OUT(("Numerics begin at %04lx", ftell(fp))); +#if NCURSES_XNAMES + /* + * Normally we limit the list of values to exclude the "obsolete" + * capabilities. However, if we are accepting extended names, add + * these as well, since they are used for supporting translation + * to/from termcap. + */ + if (_nc_user_definable) { + last_bool = BOOLCOUNT; + last_num = NUMCOUNT; + last_str = STRCOUNT; + } +#endif - /* the numerics */ - convert_shorts(buf, tp->Numbers, nummax); - if (fwrite(buf, 2, nummax, fp) != nummax) - return(ERR); + namelist = tp->term_names; + namelen = strlen(namelist) + 1; - TRACE_OUT(("String offsets begin at %04lx", ftell(fp))); + boolmax = 0; + for (i = 0; i < last_bool; i++) { + if (tp->Booleans[i] == TRUE) + boolmax = i + 1; + } - /* the string offsets */ - convert_shorts(buf, offsets, strmax); - if (fwrite(buf, 2, strmax, fp) != strmax) - return(ERR); + nummax = 0; + for (i = 0; i < last_num; i++) { + if (tp->Numbers[i] != ABSENT_NUMERIC) + nummax = i + 1; + } + + strmax = 0; + for (i = 0; i < last_str; i++) { + if (tp->Strings[i] != ABSENT_STRING) + strmax = i + 1; + } + + nextfree = compute_offsets(tp->Strings, strmax, offsets); + + /* fill in the header */ + LITTLE_ENDIAN(buf, MAGIC); + LITTLE_ENDIAN(buf + 2, min(namelen, MAX_NAME_SIZE + 1)); + LITTLE_ENDIAN(buf + 4, boolmax); + LITTLE_ENDIAN(buf + 6, nummax); + LITTLE_ENDIAN(buf + 8, strmax); + LITTLE_ENDIAN(buf + 10, nextfree); + + /* write out the header */ + TRACE_OUT(("Header of %s @%d", namelist, *offset)); + if (Write(buf, 12, 1) != 1 + || Write(namelist, sizeof(char), namelen) != namelen) + return (ERR); + + for (i = 0; i < boolmax; i++) + if (tp->Booleans[i] == TRUE) + buf[i] = TRUE; + else + buf[i] = FALSE; + if (Write(buf, sizeof(char), boolmax) != boolmax) + return (ERR); + + if (even_boundary(namelen + boolmax)) + return (ERR); + + TRACE_OUT(("Numerics begin at %04x", *offset)); - TRACE_OUT(("String table begins at %04lx", ftell(fp))); + /* the numerics */ + convert_numbers(buf, tp->Numbers, nummax); + if (Write(buf, 2, nummax) != nummax) + return (ERR); - /* the strings */ - for (i = 0; i < strmax; i++) - if (VALID_STRING(tp->Strings[i])) - if (!WRITE_STRING(tp->Strings[i])) - return(ERR); + TRACE_OUT(("String offsets begin at %04x", *offset)); + + /* the string offsets */ + convert_shorts(buf, offsets, strmax); + if (Write(buf, 2, strmax) != strmax) + return (ERR); + + TRACE_OUT(("String table begins at %04x", *offset)); + + /* the strings */ + for (i = 0; i < strmax; i++) + if (VALID_STRING(tp->Strings[i])) + if (!WRITE_STRING(tp->Strings[i])) + return (ERR); #if NCURSES_XNAMES - if (NUM_EXT_NAMES(tp)) { - unsigned extcnt = NUM_EXT_NAMES(tp); - - if (even_boundary(nextfree)) - return(ERR); - - nextfree = compute_offsets(tp->Strings + STRCOUNT, tp->ext_Strings, offsets); - TRACE_OUT(("after extended string capabilities, nextfree=%d", nextfree)); - nextfree += compute_offsets(tp->ext_Names, extcnt, offsets + tp->ext_Strings); - TRACE_OUT(("after extended capnames, nextfree=%d", nextfree)); - strmax = tp->ext_Strings + extcnt; - - /* - * Write the extended header - */ - LITTLE_ENDIAN(buf+0, tp->ext_Booleans); - LITTLE_ENDIAN(buf+2, tp->ext_Numbers); - LITTLE_ENDIAN(buf+4, tp->ext_Strings); - LITTLE_ENDIAN(buf+6, strmax); - LITTLE_ENDIAN(buf+8, nextfree); - TRACE_OUT(("WRITE extended-header @%ld", ftell(fp))); - if (fwrite(buf, 10, 1, fp) != 1) - return(ERR); - - TRACE_OUT(("WRITE %d booleans @%ld", tp->ext_Booleans, ftell(fp))); - if (tp->ext_Booleans - && fwrite(tp->Booleans + BOOLCOUNT, sizeof(char), tp->ext_Booleans, fp) != tp->ext_Booleans) - return(ERR); - - if (even_boundary(tp->ext_Booleans)) - return(ERR); - - TRACE_OUT(("WRITE %d numbers @%ld", tp->ext_Numbers, ftell(fp))); - if (tp->ext_Numbers) { - convert_shorts(buf, tp->Numbers + NUMCOUNT, tp->ext_Numbers); - if (fwrite(buf, 2, tp->ext_Numbers, fp) != tp->ext_Numbers) - return(ERR); - } + if (extended_object(tp)) { + unsigned extcnt = (unsigned) NUM_EXT_NAMES(tp); - /* - * Convert the offsets for the ext_Strings and ext_Names tables, - * in that order. - */ - convert_shorts(buf, offsets, strmax); - TRACE_OUT(("WRITE offsets @%ld", ftell(fp))); - if (fwrite(buf, 2, strmax, fp) != strmax) - return(ERR); - - /* - * Write the string table after the offset tables so we do not - * have to do anything about alignment. - */ - for (i = 0; i < tp->ext_Strings; i++) { - if (VALID_STRING(tp->Strings[i+STRCOUNT])) { - TRACE_OUT(("WRITE ext_Strings[%d]=%s", i, _nc_visbuf(tp->Strings[i+STRCOUNT]))); - if (!WRITE_STRING(tp->Strings[i+STRCOUNT])) - return(ERR); - } - } + if (even_boundary(nextfree)) + return (ERR); + + nextfree = compute_offsets(tp->Strings + STRCOUNT, + (size_t) tp->ext_Strings, + offsets); + TRACE_OUT(("after extended string capabilities, nextfree=%d", nextfree)); + + if (tp->ext_Strings >= SIZEOF(offsets)) + return (ERR); + + nextfree += compute_offsets(tp->ext_Names, + (size_t) extcnt, + offsets + tp->ext_Strings); + TRACE_OUT(("after extended capnames, nextfree=%d", nextfree)); + strmax = tp->ext_Strings + extcnt; + + /* + * Write the extended header + */ + LITTLE_ENDIAN(buf + 0, tp->ext_Booleans); + LITTLE_ENDIAN(buf + 2, tp->ext_Numbers); + LITTLE_ENDIAN(buf + 4, tp->ext_Strings); + LITTLE_ENDIAN(buf + 6, strmax); + LITTLE_ENDIAN(buf + 8, nextfree); + TRACE_OUT(("WRITE extended-header @%d", *offset)); + if (Write(buf, 10, 1) != 1) + return (ERR); + + TRACE_OUT(("WRITE %d booleans @%d", tp->ext_Booleans, *offset)); + if (tp->ext_Booleans + && Write(tp->Booleans + BOOLCOUNT, sizeof(char), + tp->ext_Booleans) != tp->ext_Booleans) + return (ERR); + + if (even_boundary(tp->ext_Booleans)) + return (ERR); + + TRACE_OUT(("WRITE %d numbers @%d", tp->ext_Numbers, *offset)); + if (tp->ext_Numbers) { + convert_numbers(buf, tp->Numbers + NUMCOUNT, (size_t) tp->ext_Numbers); + if (Write(buf, 2, tp->ext_Numbers) != tp->ext_Numbers) + return (ERR); + } + + /* + * Convert the offsets for the ext_Strings and ext_Names tables, + * in that order. + */ + convert_shorts(buf, offsets, strmax); + TRACE_OUT(("WRITE offsets @%d", *offset)); + if (Write(buf, 2, strmax) != strmax) + return (ERR); - /* - * Write the extended names - */ - for (i = 0; i < extcnt; i++) { - TRACE_OUT(("WRITE ext_Names[%d]=%s", i, tp->ext_Names[i])); - if (!WRITE_STRING(tp->ext_Names[i])) - return(ERR); + /* + * Write the string table after the offset tables so we do not + * have to do anything about alignment. + */ + for (i = 0; i < tp->ext_Strings; i++) { + if (VALID_STRING(tp->Strings[i + STRCOUNT])) { + TRACE_OUT(("WRITE ext_Strings[%d]=%s", (int) i, + _nc_visbuf(tp->Strings[i + STRCOUNT]))); + if (!WRITE_STRING(tp->Strings[i + STRCOUNT])) + return (ERR); } + } + /* + * Write the extended names + */ + for (i = 0; i < extcnt; i++) { + TRACE_OUT(("WRITE ext_Names[%d]=%s", (int) i, tp->ext_Names[i])); + if (!WRITE_STRING(tp->ext_Names[i])) + return (ERR); } + + } #endif /* NCURSES_XNAMES */ - total_written++; - return(OK); + total_written++; + total_parts++; + total_size = total_size + (int) (*offset + 1); + return (OK); } /* * Returns the total number of entries written by this process */ -int _nc_tic_written(void) +NCURSES_EXPORT(int) +_nc_tic_written(void) { - return total_written; + TR(TRACE_DATABASE, ("_nc_tic_written %d entries, %d parts, %d size", + total_written, total_parts, total_size)); + return total_written; }