/****************************************************************************
- * Copyright (c) 1998-2010,2011 Free Software Foundation, Inc. *
+ * Copyright 2018-2022,2023 Thomas E. Dickey *
+ * Copyright 1998-2016,2017 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 *
#if 1
#define TRACE_OUT(p) DEBUG(2, p)
+#define TRACE_NUM(n) if (VALID_NUMERIC(Numbers[n])) { \
+ TRACE_OUT(("put Numbers[%u]=%d", (unsigned) (n), Numbers[n])); }
#else
#define TRACE_OUT(p) /*nothing */
+#define TRACE_NUM(n) /* nothing */
#endif
-MODULE_ID("$Id: write_entry.c,v 1.79 2011/06/05 00:46:26 tom Exp $")
+MODULE_ID("$Id: write_entry.c,v 1.121 2023/03/05 18:45:59 tom Exp $")
static int total_written;
+static int total_parts;
+static int total_size;
static int make_db_root(const char *);
-static int write_object(TERMTYPE *, char *, unsigned *, unsigned);
#if !USE_HASHED_DB
static void
-write_file(char *filename, TERMTYPE *tp)
+write_file(char *filename, TERMTYPE2 *tp)
{
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 (_nc_write_object(tp, buffer, &offset, limit) == ERR) {
+ _nc_warning("entry is larger than %u bytes", limit);
+ } else {
+ FILE *fp = ((_nc_access(filename, W_OK) == 0)
+ ? safe_fopen(filename, BIN_W)
+ : 0);
+ size_t actual;
+
+ if (fp == 0) {
+ perror(filename);
+ _nc_syserr_abort("can't open %s/%s", _nc_tic_dir(0), filename);
+ }
- if (write_object(tp, buffer, &offset, limit) == ERR
- || fwrite(buffer, sizeof(char), offset, fp) != offset) {
- _nc_syserr_abort("error writing %s/%s", _nc_tic_dir(0), filename);
+ actual = fwrite(buffer, sizeof(char), (size_t) offset, fp);
+ if (actual != offset) {
+ int myerr = ferror(fp) ? errno : 0;
+ if (myerr) {
+ _nc_syserr_abort("error writing %s/%s: %s",
+ _nc_tic_dir(0),
+ filename,
+ strerror(myerr));
+ } else {
+ _nc_syserr_abort("error writing %s/%s: %u bytes vs actual %lu",
+ _nc_tic_dir(0),
+ filename,
+ offset,
+ (unsigned long) actual);
+ }
+ } else {
+ fclose(fp);
+ DEBUG(1, ("Created %s", filename));
+ }
}
-
- fclose(fp);
}
/*
char dir[sizeof(LEAF_FMT)];
char *s = 0;
- if (code == 0 || (s = strchr(dirnames, code)) == 0)
+ if (code == 0 || (s = (strchr) (dirnames, code)) == 0)
_nc_err_abort("Illegal terminfo subdirectory \"" LEAF_FMT "\"", code);
if (verified[s - dirnames])
return;
- sprintf(dir, LEAF_FMT, code);
+ _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);
}
#endif /* !USE_HASHED_DB */
static int
-make_db_path(char *dst, const char *src, unsigned limit)
+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) {
- (void) strcpy(dst, src);
+ _nc_STRCPY(dst, src, limit);
rc = 0;
}
} else {
- if (strlen(top) + strlen(src) + 2 <= limit) {
- (void) sprintf(dst, "%s/%s", top, src);
+ if ((strlen(top) + strlen(src) + 6) <= limit) {
+ _nc_SPRINTF(dst, _nc_SLIMIT(limit) "%s/%s", top, src);
rc = 0;
}
}
#if USE_HASHED_DB
if (rc == 0) {
- if (_nc_is_dir_path(dst)) {
- rc = -1;
- } else {
- static const char suffix[] = DBM_SUFFIX;
- unsigned have = strlen(dst);
- unsigned need = strlen(suffix);
- if (have > need && strcmp(dst + have - need, suffix)) {
- if (have + need <= limit)
- strcat(dst, suffix);
- else
- rc = -1;
+ 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
#if USE_HASHED_DB
DB *capdbp;
- if ((capdbp = _nc_db_open(fullpath, TRUE)) == NULL)
+ if ((capdbp = _nc_db_open(fullpath, TRUE)) == NULL) {
rc = -1;
- else if (_nc_db_close(capdbp) < 0)
+ } else if (_nc_db_close(capdbp) < 0) {
rc = -1;
+ }
#else
struct stat statbuf;
- if ((rc = stat(path, &statbuf)) < 0) {
+ if ((rc = stat(path, &statbuf)) == -1) {
rc = mkdir(path
-#if !defined(__MINGW32__)
+#ifndef _NC_WINDOWS
,0777
#endif
);
* Set the write directory for compiled entries.
*/
NCURSES_EXPORT(void)
-_nc_set_writedir(char *dir)
+_nc_set_writedir(const char *dir)
{
const char *destination;
char actual[PATH_MAX];
if (dir == 0
- && use_terminfo_vars())
+#ifndef USE_ROOT_ENVIRON
+ && use_terminfo_vars()
+#endif
+ )
dir = getenv("TERMINFO");
if (dir != 0)
|| getcwd(actual, sizeof(actual)) == 0)
_nc_err_abort("%s: not a directory", destination);
#endif
- _nc_keep_tic_dir(strdup(actual));
+ _nc_keep_tic_dir(actual);
}
/*
*/
NCURSES_EXPORT(void)
-_nc_write_entry(TERMTYPE *const tp)
+_nc_write_entry(TERMTYPE2 *const tp)
{
#if USE_HASHED_DB
#endif
#endif /* USE_SYMLINKS */
+ unsigned limit2 = sizeof(filename) - (2 + LEAF_LEN);
+ char saved = '\0';
+
static int call_count;
static time_t start_time; /* time at start of writes */
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);
- assert(strlen(tp->term_names) != 0);
- assert(strlen(tp->term_names) < sizeof(name_list));
+ 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);
+ }
- (void) strcpy(name_list, tp->term_names);
+ _nc_STRCPY(name_list, term_names, sizeof(name_list));
DEBUG(7, ("Name list = '%s'", name_list));
first_name = name_list;
- ptr = &name_list[strlen(name_list) - 1];
+ ptr = &name_list[name_size - 1];
other_names = ptr + 1;
while (ptr > name_list && *ptr != '|')
_nc_set_type(first_name);
#if USE_HASHED_DB
- if (write_object(tp, buffer + 1, &offset, limit - 1) != ERR) {
+ if (_nc_write_object(tp, buffer + 1, &offset, limit - 1) != ERR) {
DB *capdb = _nc_db_open(_nc_tic_dir(0), TRUE);
DBT key, data;
buffer[0] = 0;
memset(&key, 0, sizeof(key));
- key.data = tp->term_names;
- key.size = strlen(tp->term_names);
+ key.data = term_names;
+ key.size = name_size;
memset(&data, 0, sizeof(data));
data.data = buffer;
key.data = name_list;
key.size = strlen(name_list);
- strcpy(buffer + 1, tp->term_names);
- data.size = strlen(tp->term_names) + 1;
+ _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);
while (*other_names != '\0') {
key.data = ptr;
key.size = strlen(ptr);
+ total_size += data.size;
+ total_parts++;
_nc_db_put(capdb, &key, &data);
}
- _nc_db_close(capdb);
}
}
#else /* !USE_HASHED_DB */
start_time = 0;
}
- if (strlen(first_name) >= sizeof(filename) - (2 + LEAF_LEN))
+ if (strlen(first_name) >= limit2) {
_nc_warning("terminal name too long.");
+ saved = first_name[limit2];
+ first_name[limit2] = '\0';
+ }
+
+ _nc_SPRINTF(filename, _nc_SLIMIT(sizeof(filename))
+ LEAF_FMT "/%.*s", UChar(first_name[0]),
+ (int) (sizeof(filename) - (LEAF_LEN + 2)),
+ first_name);
- sprintf(filename, LEAF_FMT "/%s", first_name[0], first_name);
+ if (saved)
+ first_name[limit2] = saved;
/*
* Has this primary name been written since the first call to
if (start_time > 0 &&
stat(filename, &statbuf) >= 0
&& statbuf.st_mtime >= start_time) {
+#if HAVE_LINK && !USE_SYMLINKS
+ /*
+ * 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 (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);
if (start_time == 0) {
- if (stat(filename, &statbuf) < 0
+ if (stat(filename, &statbuf) == -1
|| (start_time = statbuf.st_mtime) == 0) {
_nc_syserr_abort("error obtaining time from %s/%s",
_nc_tic_dir(0), filename);
}
check_writeable(ptr[0]);
- sprintf(linkname, LEAF_FMT "/%s", ptr[0], ptr);
+ _nc_SPRINTF(linkname, _nc_SLIMIT(sizeof(linkname))
+ LEAF_FMT "/%.*s", ptr[0],
+ (int) sizeof(linkname) - (2 + LEAF_LEN), ptr);
if (strcmp(filename, linkname) == 0) {
_nc_warning("self-synonym ignored");
} else if (stat(linkname, &statbuf) >= 0 &&
- statbuf.st_mtime < start_time) {
+ 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;
#if USE_SYMLINKS
- if (first_name[0] == linkname[0])
- strncpy(symlinkname, first_name, sizeof(symlinkname) - 1);
- else {
- strcpy(symlinkname, "../");
- strncat(symlinkname, filename, sizeof(symlinkname) - 4);
+#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[sizeof(symlinkname) - 1] = '\0';
+ symlinkname[MY_SIZE] = '\0';
#endif /* USE_SYMLINKS */
#if HAVE_REMOVE
code = remove(linkname);
return (want / size);
}
-#define Write(buf, size, count) fake_write(buffer, offset, limit, (char *) buf, count, 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)
return nextfree;
}
-static void
+static size_t
convert_shorts(unsigned char *buf, short *Numbers, size_t count)
{
size_t i;
TRACE_OUT(("put Numbers[%u]=%d", (unsigned) i, Numbers[i]));
}
}
+ return SIZEOF_SHORT;
+}
+
+#if NCURSES_EXT_NUMBERS
+static size_t
+convert_16bit(unsigned char *buf, NCURSES_INT2 *Numbers, size_t count)
+{
+ size_t i, j;
+ size_t size = SIZEOF_SHORT;
+ for (i = 0; i < count; i++) {
+ unsigned value = (unsigned) Numbers[i];
+ TRACE_NUM(i);
+ for (j = 0; j < size; ++j) {
+ *buf++ = value & 0xff;
+ value >>= 8;
+ }
+ }
+ return size;
}
+static size_t
+convert_32bit(unsigned char *buf, NCURSES_INT2 *Numbers, size_t count)
+{
+ size_t i, j;
+ size_t size = SIZEOF_INT2;
+ for (i = 0; i < count; i++) {
+ unsigned value = (unsigned) Numbers[i];
+ TRACE_NUM(i);
+ for (j = 0; j < size; ++j) {
+ *buf++ = value & 0xff;
+ value >>= 8;
+ }
+ }
+ return size;
+}
+#endif
+
#define even_boundary(value) \
((value) % 2 != 0 && Write(&zero, sizeof(char), 1) != 1)
#if NCURSES_XNAMES
static unsigned
-extended_Booleans(TERMTYPE *tp)
+extended_Booleans(TERMTYPE2 *tp)
{
unsigned result = 0;
unsigned i;
}
static unsigned
-extended_Numbers(TERMTYPE *tp)
+extended_Numbers(TERMTYPE2 *tp)
{
unsigned result = 0;
unsigned i;
}
static unsigned
-extended_Strings(TERMTYPE *tp)
+extended_Strings(TERMTYPE2 *tp)
{
unsigned short result = 0;
unsigned short i;
* clause - discard the unneeded data.
*/
static bool
-extended_object(TERMTYPE *tp)
+extended_object(TERMTYPE2 *tp)
{
bool result = FALSE;
}
#endif
-static int
-write_object(TERMTYPE *tp, char *buffer, unsigned *offset, unsigned limit)
+NCURSES_EXPORT(int)
+_nc_write_object(TERMTYPE2 *tp, char *buffer, unsigned *offset, unsigned limit)
{
char *namelist;
- size_t namelen, boolmax, nummax, strmax;
+ size_t namelen, boolmax, nummax, strmax, numlen;
char zero = '\0';
size_t i;
int nextfree;
unsigned last_bool = BOOLWRITE;
unsigned last_num = NUMWRITE;
unsigned last_str = STRWRITE;
+#if NCURSES_EXT_NUMBERS
+ bool need_ints = FALSE;
+ size_t (*convert_numbers) (unsigned char *, NCURSES_INT2 *, size_t) = convert_32bit;
+#else
+#define convert_numbers convert_shorts
+#endif
#if NCURSES_XNAMES
/*
boolmax = 0;
for (i = 0; i < last_bool; i++) {
- if (tp->Booleans[i] == TRUE)
+ if (tp->Booleans[i] == TRUE) {
boolmax = i + 1;
+ }
}
nummax = 0;
for (i = 0; i < last_num; i++) {
- if (tp->Numbers[i] != ABSENT_NUMERIC)
+ if (tp->Numbers[i] != ABSENT_NUMERIC) {
nummax = i + 1;
+#if NCURSES_EXT_NUMBERS
+ if (tp->Numbers[i] > MAX_OF_TYPE(NCURSES_COLOR_T)) {
+ need_ints = TRUE;
+ }
+#endif
+ }
}
strmax = 0;
nextfree = compute_offsets(tp->Strings, strmax, offsets);
/* fill in the header */
+#if NCURSES_EXT_NUMBERS
+ if (need_ints) {
+ convert_numbers = convert_32bit;
+ LITTLE_ENDIAN(buf, MAGIC2);
+ } else {
+ convert_numbers = convert_16bit;
+ LITTLE_ENDIAN(buf, MAGIC);
+ }
+#else
LITTLE_ENDIAN(buf, MAGIC);
+#endif
LITTLE_ENDIAN(buf + 2, min(namelen, MAX_NAME_SIZE + 1));
LITTLE_ENDIAN(buf + 4, boolmax);
LITTLE_ENDIAN(buf + 6, nummax);
/* 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);
+ || Write(namelist, sizeof(char), namelen) != namelen) {
+ return (ERR);
+ }
- for (i = 0; i < boolmax; i++)
- if (tp->Booleans[i] == TRUE)
+ for (i = 0; i < boolmax; i++) {
+ if (tp->Booleans[i] == TRUE) {
buf[i] = TRUE;
- else
+ } else {
buf[i] = FALSE;
- if (Write(buf, sizeof(char), boolmax) != boolmax)
- return (ERR);
+ }
+ }
+ if (Write(buf, sizeof(char), boolmax) != boolmax) {
+ return (ERR);
+ }
- if (even_boundary(namelen + boolmax))
+ if (even_boundary(namelen + boolmax)) {
return (ERR);
+ }
TRACE_OUT(("Numerics begin at %04x", *offset));
/* the numerics */
- convert_shorts(buf, tp->Numbers, nummax);
- if (Write(buf, 2, nummax) != nummax)
+ numlen = convert_numbers(buf, tp->Numbers, nummax);
+ if (Write(buf, numlen, nummax) != nummax) {
return (ERR);
+ }
TRACE_OUT(("String offsets begin at %04x", *offset));
/* the string offsets */
convert_shorts(buf, offsets, strmax);
- if (Write(buf, 2, strmax) != strmax)
+ if (Write(buf, SIZEOF_SHORT, 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]))
+ for (i = 0; i < strmax; i++) {
+ if (VALID_STRING(tp->Strings[i])) {
+ if (!WRITE_STRING(tp->Strings[i])) {
return (ERR);
+ }
+ }
+ }
#if NCURSES_XNAMES
if (extended_object(tp)) {
- unsigned extcnt = (unsigned) NUM_EXT_NAMES(tp);
+ unsigned ext_total = (unsigned) NUM_EXT_NAMES(tp);
+ unsigned ext_usage = ext_total;
- if (even_boundary(nextfree))
+ if (even_boundary(nextfree)) {
return (ERR);
+ }
nextfree = compute_offsets(tp->Strings + STRCOUNT,
- tp->ext_Strings,
+ (size_t) tp->ext_Strings,
offsets);
TRACE_OUT(("after extended string capabilities, nextfree=%d", nextfree));
- if (tp->ext_Strings >= SIZEOF(offsets))
+ if (tp->ext_Strings >= SIZEOF(offsets)) {
return (ERR);
+ }
nextfree += compute_offsets(tp->ext_Names,
- extcnt,
+ (size_t) ext_total,
offsets + tp->ext_Strings);
TRACE_OUT(("after extended capnames, nextfree=%d", nextfree));
- strmax = tp->ext_Strings + extcnt;
+ strmax = tp->ext_Strings + ext_total;
+ for (i = 0; i < tp->ext_Strings; ++i) {
+ if (VALID_STRING(tp->Strings[i + STRCOUNT])) {
+ ext_usage++;
+ }
+ }
+ TRACE_OUT(("will write %u/%lu strings", ext_usage, (unsigned long) strmax));
/*
* 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 + 6, ext_usage);
LITTLE_ENDIAN(buf + 8, nextfree);
TRACE_OUT(("WRITE extended-header @%d", *offset));
- if (Write(buf, 10, 1) != 1)
+ 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);
+ tp->ext_Booleans) != tp->ext_Booleans) {
+ return (ERR);
+ }
- if (even_boundary(tp->ext_Booleans))
+ if (even_boundary(tp->ext_Booleans)) {
return (ERR);
+ }
TRACE_OUT(("WRITE %d numbers @%d", tp->ext_Numbers, *offset));
if (tp->ext_Numbers) {
- convert_shorts(buf, tp->Numbers + NUMCOUNT, tp->ext_Numbers);
- if (Write(buf, 2, tp->ext_Numbers) != tp->ext_Numbers)
+ numlen = convert_numbers(buf, tp->Numbers + NUMCOUNT, (size_t) tp->ext_Numbers);
+ if (Write(buf, numlen, tp->ext_Numbers) != tp->ext_Numbers) {
return (ERR);
+ }
}
/*
*/
convert_shorts(buf, offsets, strmax);
TRACE_OUT(("WRITE offsets @%d", *offset));
- if (Write(buf, 2, strmax) != strmax)
+ if (Write(buf, SIZEOF_SHORT, strmax) != strmax) {
return (ERR);
+ }
/*
* Write the string table after the offset tables so we do not
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]))
+ if (!WRITE_STRING(tp->Strings[i + STRCOUNT])) {
return (ERR);
+ }
}
}
/*
* Write the extended names
*/
- for (i = 0; i < extcnt; i++) {
+ for (i = 0; i < ext_total; i++) {
TRACE_OUT(("WRITE ext_Names[%d]=%s", (int) i, tp->ext_Names[i]));
- if (!WRITE_STRING(tp->ext_Names[i]))
+ if (!WRITE_STRING(tp->ext_Names[i])) {
return (ERR);
+ }
}
}
#endif /* NCURSES_XNAMES */
total_written++;
+ total_parts++;
+ total_size = total_size + (int) (*offset + 1);
return (OK);
}
NCURSES_EXPORT(int)
_nc_tic_written(void)
{
+ TR(TRACE_DATABASE, ("_nc_tic_written %d entries, %d parts, %d size",
+ total_written, total_parts, total_size));
return total_written;
}