static int tcap_getent (SLCONST char *term, SLterminfo_Type *ti)
{
unsigned char *termcap, ch;
unsigned char *buf, *b;
unsigned char *t;
int len;
if (SLtt_Try_Termcap == 0) return -1;
#if 1
/* XFREE86 xterm sets the TERMCAP environment variable to an invalid
* value. Specifically, it lacks the tc= string.
*/
if (!strncmp (term, "xterm", 5))
return -1;
#endif
termcap = (unsigned char *) getenv ("TERMCAP");
if ((termcap == NULL) || (*termcap == '/')) return -1;
/* SUN Solaris 7&8 have bug in tset program under tcsh,
* eval `tset -s -A -Q` sets value of TERMCAP to ":",
* under other shells it works fine.
* SUN was informed, they marked it as duplicate of bug 4086585
* but didn't care to fix it... <*****@*****.**>
*/
if ((termcap[0] == ':') && (termcap[1] == 0))
return -1;
/* We have a termcap so lets use it provided it does not have a reference
* to another terminal via tc=. In that case, use terminfo. The alternative
* would be to parse the termcap file which I do not want to do right now.
* Besides, this is a terminfo based system and if the termcap were parsed
* terminfo would almost never get a chance to run. In addition, the tc=
* thing should not occur if tset is used to set the termcap entry.
*/
t = termcap;
while ((len = tcap_extract_field (t)) != -1)
{
if ((len > 3) && (t[0] == 't') && (t[1] == 'c') && (t[2] == '='))
return -1;
t += (len + 1);
}
/* malloc some extra space just in case it is needed. */
len = strlen ((char *) termcap) + 256;
if (NULL == (buf = (unsigned char *) SLmalloc ((unsigned int) len)))
return -1;
b = buf;
/* The beginning of the termcap entry contains the names of the entry.
* It is terminated by a colon.
*/
ti->terminal_names = (char *) b;
t = termcap;
len = tcap_extract_field (t);
if (len < 0)
{
SLfree ((char *)buf);
return -1;
}
strncpy ((char *) b, (char *) t, (unsigned int) len);
b[len] = 0;
b += len + 1;
ti->name_section_size = len;
/* Now, we are really at the start of the termcap entries. Point the
* termcap variable here since we want to refer to this a number of times.
*/
termcap = t + (len + 1);
/* Process strings first. */
ti->string_table = (char *) b;
t = termcap;
while (-1 != (len = tcap_extract_field (t)))
{
unsigned char *b1;
unsigned char *tmax;
/* We are looking for: XX=something */
if ((len < 4) || (t[2] != '=') || (*t == '.'))
{
t += len + 1;
continue;
}
tmax = t + len;
b1 = b;
while (t < tmax)
{
ch = *t++;
if ((ch == '\\') && (t < tmax))
{
SLwchar_Type wch;
t = (unsigned char *) _pSLexpand_escaped_char ((char *) t, (char *) tmax, &wch, NULL);
if (t == NULL)
{
SLfree ((char *)buf);
return -1;
}
ch = (char) wch;
}
else if ((ch == '^') && (t < tmax))
{
ch = *t++;
if (ch == '?') ch = 127;
else ch = (ch | 0x20) - ('a' - 1);
}
*b++ = ch;
}
/* Null terminate it. */
*b++ = 0;
len = (int) (b - b1);
b1[2] = (unsigned char) len; /* replace the = by the length */
/* skip colon to next field. */
t++;
}
ti->string_table_size = (int) (b - (unsigned char *) ti->string_table);
/* Now process the numbers. */
t = termcap;
ti->numbers = b;
while (-1 != (len = tcap_extract_field (t)))
{
unsigned char *b1;
unsigned char *tmax;
/* We are looking for: XX#NUMBER */
if ((len < 4) || (t[2] != '#') || (*t == '.'))
{
t += len + 1;
continue;
}
tmax = t + len;
b1 = b;
while (t < tmax)
{
*b++ = *t++;
}
/* Null terminate it. */
*b++ = 0;
len = (int) (b - b1);
b1[2] = (unsigned char) len; /* replace the # by the length */
t++;
}
ti->num_numbers = (int) (b - ti->numbers);
/* Now process the flags. */
t = termcap;
ti->boolean_flags = b;
while (-1 != (len = tcap_extract_field (t)))
{
/* We are looking for: XX#NUMBER */
if ((len != 2) || (*t == '.') || (*t <= ' '))
{
t += len + 1;
continue;
}
b[0] = t[0];
b[1] = t[1];
t += 3;
b += 2;
}
ti->boolean_section_size = (int) (b - ti->boolean_flags);
ti->flags = SLTERMCAP;
return 0;
}
int SLcmd_execute_string (SLFUTURE_CONST char *str, SLcmd_Cmd_Table_Type *table)
{
SLFUTURE_CONST char *s, *arg_type, *last_str, *cmd_name;
SLcmd_Cmd_Type *cmd;
char *buf;
int token_present;
int i;
int status;
SLstrlen_Type len;
int argc;
SLstrlen_Type space;
table->argc = 0;
table->string_args = NULL;
table->int_args = NULL;
table->double_args = NULL;
table->arg_type = NULL;
buf = SLmake_string (str);
if (buf == NULL)
return -1;
status = extract_token (&str, buf);
if (status <= 0)
{
SLfree (buf);
return status;
}
if (((len = strlen (buf)) >= 32)
|| (NULL == (cmd = SLcmd_find_command (buf, table->table))))
{
_pSLang_verror (SL_UNDEFINED_NAME,"%s: invalid command", buf);
SLfree (buf);
return -1;
}
if (NULL == (cmd_name = SLmake_string (buf)))
{
SLfree (buf);
return -1;
}
space = 0;
argc = 0;
if (-1 == allocate_arg_space (table, argc, &space))
{
SLfree (buf);
return -1;
}
table->arg_type[argc] = SLANG_STRING_TYPE;
table->string_args[argc++] = cmd_name;
arg_type = cmd->arg_type;
status = -1;
while (*arg_type)
{
int guess_type = 0;
last_str = str;
if (-1 == allocate_arg_space (table, argc, &space))
goto error;
if (-1 == (token_present = extract_token (&str, buf)))
goto error;
table->string_args[argc] = NULL;
if (token_present)
{
char *b = buf;
len = strlen (b);
if ((*b == '"') && (len > 1))
{
b++;
len -= 2;
b[len] = 0;
guess_type = SLANG_STRING_TYPE;
SLexpand_escaped_string (buf, b, b + len, -1);
len = strlen (buf);
}
else if ((*b == '\'') && (len > 1))
{
SLwchar_Type ch;
b++;
len -= 2;
b[len] = 0;
guess_type = SLANG_INT_TYPE;
ch = *b;
if (ch == '\\')
{
if (NULL == _pSLexpand_escaped_char (b, b+len, &ch, NULL))
goto error;
}
sprintf (buf, "%lu", (unsigned long)ch);
len = strlen (buf);
}
else guess_type = SLang_guess_type (buf);
}
switch (*arg_type++)
{
/* variable argument number */
case 'v':
if (token_present == 0) break;
case 'V':
if (token_present == 0)
{
_pSLang_verror (SL_INVALID_PARM, "%s: Expecting argument", cmd_name);
goto error;
}
while (*last_str == ' ') last_str++;
len = strlen (last_str);
str = last_str + len;
s = SLmake_nstring (last_str, len);
if (s == NULL) goto error;
table->arg_type[argc] = SLANG_STRING_TYPE;
table->string_args[argc++] = s;
break;
case 's':
if (token_present == 0) break;
case 'S':
if (token_present == 0)
{
_pSLang_verror (SL_TYPE_MISMATCH, "%s: Expecting string argument", cmd_name);
goto error;
}
s = SLmake_nstring (buf, len);
if (s == NULL) goto error;
table->arg_type[argc] = SLANG_STRING_TYPE;
table->string_args[argc++] = s;
break;
/* integer argument */
case 'i':
if (token_present == 0) break;
case 'I':
if ((token_present == 0) || (SLANG_INT_TYPE != guess_type))
{
_pSLang_verror (SL_TYPE_MISMATCH, "%s: Expecting integer argument", cmd_name);
goto error;
}
table->arg_type[argc] = SLANG_INT_TYPE;
table->int_args[argc++] = SLatoi((unsigned char *) buf);
break;
/* floating point arg */
#if SLANG_HAS_FLOAT
case 'f':
if (token_present == 0) break;
case 'F':
if ((token_present == 0) || (SLANG_STRING_TYPE == guess_type))
{
_pSLang_verror (SL_TYPE_MISMATCH, "%s: Expecting double argument", cmd_name);
goto error;
}
table->arg_type[argc] = SLANG_DOUBLE_TYPE;
table->double_args[argc++] = atof(buf);
break;
#endif
/* Generic type */
case 'g':
if (token_present == 0) break;
case 'G':
if (token_present == 0)
{
_pSLang_verror (SL_TYPE_MISMATCH, "%s: Expecting argument", cmd_name);
goto error;
}
switch (guess_type)
{
case SLANG_INT_TYPE:
table->arg_type[argc] = SLANG_INT_TYPE;
table->int_args[argc++] = SLatoi((unsigned char *) buf);
break;
case SLANG_STRING_TYPE:
s = SLmake_nstring (buf, len);
if (s == NULL) goto error;
table->arg_type[argc] = SLANG_STRING_TYPE;
table->string_args[argc++] = s;
break;
#if SLANG_HAS_FLOAT
case SLANG_DOUBLE_TYPE:
table->arg_type[argc] = SLANG_DOUBLE_TYPE;
table->double_args[argc++] = atof(buf);
#endif
}
break;
}
}
/* call function */
status = (*cmd->cmdfun)(argc, table);
error:
if (table->string_args != NULL) for (i = 0; i < argc; i++)
{
if (NULL != table->string_args[i])
{
SLfree ((char *) table->string_args[i]);
table->string_args[i] = NULL;
}
}
SLfree ((char *)table->string_args); table->string_args = NULL;
SLfree ((char *)table->double_args); table->double_args = NULL;
SLfree ((char *)table->int_args); table->int_args = NULL;
SLfree ((char *)table->arg_type); table->arg_type = NULL;
SLfree (buf);
return status;
}
