static void
convert_shorts(unsigned char *buf, short *Numbers, unsigned count)
{
unsigned 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[%d]=%d", i, Numbers[i]));
}
}
}
static size_t
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]));
}
}
return SIZEOF_SHORT;
}
static int
write_object(TERMTYPE *tp, char *buffer, unsigned *offset, unsigned limit)
{
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 last_bool = BOOLWRITE;
unsigned last_num = NUMWRITE;
unsigned last_str = STRWRITE;
#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
namelist = tp->term_names;
namelen = strlen(namelist) + 1;
boolmax = 0;
for (i = 0; i < last_bool; i++) {
if (tp->Booleans[i] == TRUE)
boolmax = i + 1;
}
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));
/* the numerics */
convert_shorts(buf, tp->Numbers, nummax);
if (Write(buf, 2, 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)
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 (extended_object(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));
if (tp->ext_Strings >= SIZEOF(offsets))
return (ERR);
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 @%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_shorts(buf, tp->Numbers + NUMCOUNT, 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 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);
}
static int write_object(FILE *fp, TERMTYPE *tp)
{
char *namelist;
size_t namelen, boolmax, nummax, strmax;
char zero = '\0';
size_t i;
short nextfree;
short offsets[STRCOUNT];
unsigned char buf[MAX_ENTRY_SIZE];
namelist = tp->term_names;
namelen = strlen(namelist) + 1;
boolmax = 0;
for (i = 0; i < BOOLWRITE; i++)
if (tp->Booleans[i])
boolmax = i+1;
nummax = 0;
for (i = 0; i < NUMWRITE; i++)
if (tp->Numbers[i] != ABSENT_NUMERIC)
nummax = i+1;
strmax = 0;
for (i = 0; i < STRWRITE; i++)
if (tp->Strings[i] != ABSENT_STRING)
strmax = i+1;
nextfree = 0;
for (i = 0; i < strmax; i++)
if (tp->Strings[i] == ABSENT_STRING)
offsets[i] = -1;
else if (tp->Strings[i] == CANCELLED_STRING)
offsets[i] = -2;
else
{
offsets[i] = nextfree;
nextfree += strlen(tp->Strings[i]) + 1;
}
/* 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 */
if (fwrite(buf, 12, 1, fp) != 1
|| fwrite(namelist, sizeof(char), (size_t)namelen, fp) != namelen
|| fwrite(tp->Booleans, sizeof(char), (size_t)boolmax, fp) != boolmax)
return(ERR);
/* the even-boundary padding byte */
if ((namelen+boolmax) % 2 != 0 && fwrite(&zero, sizeof(char), 1, fp) != 1)
return(ERR);
#ifdef SHOWOFFSET
(void) fprintf(stderr, "Numerics begin at %04lx\n", ftell(fp));
#endif /* SHOWOFFSET */
/* the numerics */
for (i = 0; i < nummax; i++)
{
if (tp->Numbers[i] == -1) /* HI/LO won't work */
buf[2*i] = buf[2*i + 1] = 0377;
else if (tp->Numbers[i] == -2) /* HI/LO won't work */
buf[2*i] = 0376, buf[2*i + 1] = 0377;
else
LITTLE_ENDIAN(buf + 2*i, tp->Numbers[i]);
}
if (fwrite(buf, 2, (size_t)nummax, fp) != nummax)
return(ERR);
#ifdef SHOWOFFSET
(void) fprintf(stderr, "String offets begin at %04lx\n", ftell(fp));
#endif /* SHOWOFFSET */
/* the string offsets */
for (i = 0; i < strmax; i++)
if (offsets[i] == -1) /* HI/LO won't work */
buf[2*i] = buf[2*i + 1] = 0377;
else if (offsets[i] == -2) /* HI/LO won't work */
{
buf[2*i] = 0376;
buf[2*i + 1] = 0377;
}
else
LITTLE_ENDIAN(buf + 2*i, offsets[i]);
if (fwrite(buf, 2, (size_t)strmax, fp) != strmax)
return(ERR);
#ifdef SHOWOFFSET
(void) fprintf(stderr, "String table begins at %04lx\n", ftell(fp));
#endif /* SHOWOFFSET */
/* the strings */
for (i = 0; i < strmax; i++)
if (tp->Strings[i] != ABSENT_STRING && tp->Strings[i] != CANCELLED_STRING)
if (fwrite(tp->Strings[i], sizeof(char), strlen(tp->Strings[i]) + 1, fp) != strlen(tp->Strings[i]) + 1)
return(ERR);
total_written++;
return(OK);
}