summaryrefslogtreecommitdiffstats
path: root/mdk-stage1/slang/slcmd.c
diff options
context:
space:
mode:
Diffstat (limited to 'mdk-stage1/slang/slcmd.c')
-rw-r--r--mdk-stage1/slang/slcmd.c351
1 files changed, 0 insertions, 351 deletions
diff --git a/mdk-stage1/slang/slcmd.c b/mdk-stage1/slang/slcmd.c
deleted file mode 100644
index 4a00a90fc..000000000
--- a/mdk-stage1/slang/slcmd.c
+++ /dev/null
@@ -1,351 +0,0 @@
-/* cmd line facility for slang */
-/* Copyright (c) 1992, 1999, 2001 John E. Davis
- * This file is part of the S-Lang library.
- *
- * You may distribute under the terms of either the GNU General Public
- * License or the Perl Artistic License.
- */
-#include "slinclud.h"
-
-#if SLANG_HAS_FLOAT
-# include <math.h>
-#endif
-
-#include "slang.h"
-#include "_slang.h"
-
-#ifndef HAVE_STDLIB_H
-/* Oh dear. Where is the prototype for atof? If not in stdlib, then
- * I do not know where. Not in math.h onsome systems either.
- */
-extern double atof ();
-#endif
-
-static SLcmd_Cmd_Type *SLcmd_find_command (char *s, SLcmd_Cmd_Type *cmd)
-{
- char *cmdstr;
- char chs = *s++, ch;
-
- while ((cmd->cmdfun != NULL)
- && (NULL != (cmdstr = cmd->cmd))
- && (0 != (ch = *cmdstr++)))
- {
- if ((ch == chs) && !strcmp (s, cmdstr)) return cmd;
- cmd++;
- }
- return NULL;
-}
-
-static int extract_token (char **strptr, char *buf)
-{
- char *s, *b;
- char ch, quote;
-
- *buf = 0;
-
- s = *strptr;
- while (((ch = *s) != 0)
- && ((ch == ' ') || (ch == '\t') || (ch == '\n')))
- s++;
-
- *strptr = s;
-
- if (ch == 0) return 0;
- if (ch == '%') return 0;
-
- b = buf;
-
- *b++ = ch;
- s++;
-
- if ((ch == '\'') || (ch == '"'))
- {
- quote = ch;
- while ((ch = *s) != 0)
- {
- s++;
- *b++ = ch;
- if (ch == quote)
- break;
-
- if (ch == '\\')
- {
- if (0 == (ch = *s))
- break;
- *b++ = ch;
- s++;
- }
- }
- *strptr = s;
- *b = 0;
- return 1;
- }
-
- while (((ch = *s) != 0)
- && (ch != ' ')
- && (ch != '\t')
- && (ch != '\n')
- && (ch != '%'))
- *b++ = *s++;
-
- *strptr = s;
- *b = 0;
- return 1;
-}
-
-static int allocate_arg_space (SLcmd_Cmd_Table_Type *table, int argc, unsigned int *space_ptr)
-{
- unsigned int space = *space_ptr;
- char *p;
-
- if (argc + 1 < (int) space)
- return 0;
-
- if (space > 128)
- {
- if (space > 1024) space += 1024;
- else space += 128;
- }
- else space += 32;
-
- if (NULL == (p = SLrealloc ((char *)table->string_args, space * sizeof (char *))))
- return -1;
- table->string_args = (char **)p;
- table->string_args [argc] = NULL;
-
- if (NULL == (p = SLrealloc ((char *)table->int_args, space * sizeof (int))))
- return -1;
- table->int_args = (int *)p;
-
- if (NULL == (p = SLrealloc ((char *)table->double_args, space * sizeof (double))))
- return -1;
- table->double_args = (double *)p;
-
- if (NULL == (p = SLrealloc ((char *)table->arg_type, space * sizeof (unsigned char))))
- return -1;
- table->arg_type = (unsigned char *)p;
-
- *space_ptr = space;
- return 0;
-}
-
-int SLcmd_execute_string (char *str, SLcmd_Cmd_Table_Type *table)
-{
- char *s, *b = NULL, *arg_type, *last_str, *cmd_name;
- SLcmd_Cmd_Type *cmd;
- char *buf;
- int token_present;
- int i;
- int status;
- unsigned int len;
- int argc;
- unsigned int 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))))
- {
- SLang_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)
- {
- 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);
- len = strlen (buf);
- }
- else if ((*b == '\'') && (len > 1))
- {
- char ch;
- b++;
- len -= 2;
- b[len] = 0;
- guess_type = SLANG_INT_TYPE;
- ch = *b;
- if (ch == '\\')
- (void) _SLexpand_escaped_char (b, &ch);
- sprintf (buf, "%d", (unsigned char) 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)
- {
- SLang_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)
- {
- SLang_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))
- {
- SLang_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))
- {
- SLang_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)
- {
- SLang_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 (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;
-}
-
generated by cgit v1.2.1 (git 2.21.0) at 2024-11-27 13:37:29 +0000