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-rw-r--r--mdk-stage1/slang/slrline.c836
1 files changed, 0 insertions, 836 deletions
diff --git a/mdk-stage1/slang/slrline.c b/mdk-stage1/slang/slrline.c
deleted file mode 100644
index 1874be0bb..000000000
--- a/mdk-stage1/slang/slrline.c
+++ /dev/null
@@ -1,836 +0,0 @@
-/* SLang_read_line interface --- uses SLang tty stuff */
-/* 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"
-
-#include "slang.h"
-#include "_slang.h"
-
-#ifdef REAL_UNIX_SYSTEM
-int SLang_RL_EOF_Char = 4;
-#else
-int SLang_RL_EOF_Char = 26;
-#endif
-
-int SLang_Rline_Quit;
-static SLang_RLine_Info_Type *This_RLI;
-
-static unsigned char Char_Widths[256];
-static void position_cursor (int);
-
-static void rl_beep (void)
-{
- putc(7, stdout);
- fflush (stdout);
-}
-
-/* editing functions */
-static int rl_bol (void)
-{
- if (This_RLI->point == 0) return 0;
- This_RLI->point = 0;
- return 1;
-}
-
-static int rl_eol (void)
-{
- if (This_RLI->point == This_RLI->len) return 0;
- This_RLI->point = This_RLI->len;
- return 1;
-}
-
-static int rl_right (void)
-{
- if (This_RLI->point == This_RLI->len) return 0;
- This_RLI->point++;
- return 1;
-}
-
-static int rl_left (void)
-{
- if (This_RLI->point == 0) return 0;
- This_RLI->point--;
- return 1;
-}
-
-static int rl_self_insert (void)
-{
- unsigned char *pmin, *p;
-
- if (This_RLI->len == This_RLI->buf_len)
- {
- rl_beep ();
- return 0;
- }
-
- pmin = This_RLI->buf + This_RLI->point;
- p = This_RLI->buf + This_RLI->len;
- while (p > pmin)
- {
- *p = *(p - 1);
- p--;
- }
- *pmin = SLang_Last_Key_Char;
-
- This_RLI->len++;
- This_RLI->point++;
- if ((This_RLI->curs_pos + 2 >= This_RLI->edit_width)
- || (This_RLI->tt_insert == NULL)
- || (Char_Widths[SLang_Last_Key_Char] != 1)) return 1;
-
- (*This_RLI->tt_insert)((char) SLang_Last_Key_Char);
- /* update screen buf */
- p = This_RLI->old_upd + (This_RLI->len - 1);
- pmin = This_RLI->old_upd + (This_RLI->point - 1);
- while (p > pmin)
- {
- *p = *(p - 1);
- p--;
- }
- *pmin = SLang_Last_Key_Char;
- return 0;
-}
-
-int SLang_rline_insert (char *s)
-{
- unsigned char *pmin, *p;
- int n;
-
- n = strlen (s);
- if (n > This_RLI->buf_len - This_RLI->len)
- n = This_RLI->buf_len - This_RLI->len;
-
- if (n == 0) return 0;
-
- pmin = This_RLI->buf + This_RLI->point;
- p = This_RLI->buf + (This_RLI->len - 1);
-
- while (p >= pmin)
- {
- *(p + n) = *p;
- p--;
- }
- SLMEMCPY ((char *) pmin, s, n);
-
- This_RLI->len += n;
- This_RLI->point += n;
- return n;
-}
-
-static int rl_deln (int n)
-{
- unsigned char *pmax, *p;
-
- p = This_RLI->buf + This_RLI->point;
- pmax = This_RLI->buf + This_RLI->len;
-
- if (p + n > pmax) n = (int) (pmax - p);
- while (p < pmax)
- {
- *p = *(p + n);
- p++;
- }
- This_RLI->len -= n;
- return n;
-}
-
-static int rl_del (void)
-{
- return rl_deln(1);
-}
-
-static int rl_quote_insert (void)
-{
- int err = SLang_Error;
- SLang_Error = 0;
- SLang_Last_Key_Char = (*This_RLI->getkey)();
- rl_self_insert ();
- if (SLang_Error == SL_USER_BREAK) SLang_Error = 0;
- else SLang_Error = err;
- return 1;
-}
-
-static int rl_trim (void)
-{
- unsigned char *p, *pmax, *p1;
- p = This_RLI->buf + This_RLI->point;
- pmax = This_RLI->buf + This_RLI->len;
-
- if (p == pmax)
- {
- if (p == This_RLI->buf) return 0;
- p--;
- }
-
- if ((*p != ' ') && (*p != '\t')) return 0;
- p1 = p;
- while ((p1 < pmax) && ((*p1 == ' ') || (*p1 == '\t'))) p1++;
- pmax = p1;
- p1 = This_RLI->buf;
-
- while ((p >= p1) && ((*p == ' ') || (*p == '\t'))) p--;
- if (p == pmax) return 0;
- p++;
-
- This_RLI->point = (int) (p - p1);
- return rl_deln ((int) (pmax - p));
-}
-
-static int rl_bdel (void)
-{
- if (rl_left()) return rl_del();
- return 0;
-}
-
-static int rl_deleol (void)
-{
- if (This_RLI->point == This_RLI->len) return 0;
- *(This_RLI->buf + This_RLI->point) = 0;
- This_RLI->len = This_RLI->point;
- return 1;
-}
-
-static int rl_delete_line (void)
-{
- This_RLI->point = 0;
- *(This_RLI->buf + This_RLI->point) = 0;
- This_RLI->len = 0;
- return 1;
-}
-
-static int rl_enter (void)
-{
- *(This_RLI->buf + This_RLI->len) = 0;
- SLang_Rline_Quit = 1;
- return 1;
-}
-
-static SLKeyMap_List_Type *RL_Keymap;
-
-/* This update is designed for dumb terminals. It assumes only that the
- * terminal can backspace via ^H, and move cursor to start of line via ^M.
- * There is a hook so the user can provide a more sophisticated update if
- * necessary.
- */
-
-static void position_cursor (int col)
-{
- unsigned char *p, *pmax;
- int dc;
-
- if (col == This_RLI->curs_pos)
- {
- fflush (stdout);
- return;
- }
-
- if (This_RLI->tt_goto_column != NULL)
- {
- (*This_RLI->tt_goto_column)(col);
- This_RLI->curs_pos = col;
- fflush (stdout);
- return;
- }
-
- dc = This_RLI->curs_pos - col;
- if (dc < 0)
- {
- p = This_RLI->new_upd + This_RLI->curs_pos;
- pmax = This_RLI->new_upd + col;
- while (p < pmax) putc((char) *p++, stdout);
- }
- else
- {
- if (dc < col)
- {
- while (dc--) putc(8, stdout);
- }
- else
- {
- putc('\r', stdout);
- p = This_RLI->new_upd;
- pmax = This_RLI->new_upd + col;
- while (p < pmax) putc((char) *p++, stdout);
- }
- }
- This_RLI->curs_pos = col;
- fflush (stdout);
-}
-
-static void erase_eol (SLang_RLine_Info_Type *rli)
-{
- unsigned char *p, *pmax;
-
- p = rli->old_upd + rli->curs_pos;
- pmax = rli->old_upd + rli->old_upd_len;
-
- while (p++ < pmax) putc(' ', stdout);
-
- rli->curs_pos = rli->old_upd_len;
-}
-
-static unsigned char *spit_out(SLang_RLine_Info_Type *rli, unsigned char *p)
-{
- unsigned char *pmax;
- position_cursor ((int) (p - rli->new_upd));
- pmax = rli->new_upd + rli->new_upd_len;
- while (p < pmax) putc((char) *p++, stdout);
- rli->curs_pos = rli->new_upd_len;
- return pmax;
-}
-
-static void really_update (SLang_RLine_Info_Type *rli, int new_curs_position)
-{
- unsigned char *b = rli->old_upd, *p = rli->new_upd, chb, chp;
- unsigned char *pmax;
-
- if (rli->update_hook != NULL)
- {
- (*rli->update_hook)(p, rli->edit_width, new_curs_position);
- }
- else
- {
- pmax = p + rli->edit_width;
- while (p < pmax)
- {
- chb = *b++; chp = *p++;
- if (chb == chp) continue;
-
- if (rli->old_upd_len <= rli->new_upd_len)
- {
- /* easy one */
- (void) spit_out (rli, p - 1);
- break;
- }
- spit_out(rli, p - 1);
- erase_eol (rli);
- break;
- }
- position_cursor (new_curs_position);
- }
-
- /* update finished, so swap */
-
- rli->old_upd_len = rli->new_upd_len;
- p = rli->old_upd;
- rli->old_upd = rli->new_upd;
- rli->new_upd = p;
-}
-
-static void RLupdate (SLang_RLine_Info_Type *rli)
-{
- int len, dlen, start_len = 0, prompt_len = 0, tw = 0, count;
- int want_cursor_pos;
- unsigned char *b, chb, *b_point, *p;
- int no_echo;
-
- no_echo = rli->flags & SL_RLINE_NO_ECHO;
-
- b_point = (unsigned char *) (rli->buf + rli->point);
- *(rli->buf + rli->len) = 0;
-
- /* expand characters for output buffer --- handle prompt first.
- * Do two passes --- first to find out where to begin upon horiz
- * scroll and the second to actually fill the buffer. */
- len = 0;
- count = 2; /* once for prompt and once for buf */
-
- b = (unsigned char *) rli->prompt;
- while (count--)
- {
- if ((count == 0) && no_echo)
- break;
-
- /* The prompt could be NULL */
- if (b != NULL) while ((chb = *b) != 0)
- {
- /* This will ensure that the screen is scrolled a third of the edit
- * width each time */
- if (b_point == b) break;
- dlen = Char_Widths[chb];
- if ((chb == '\t') && tw)
- {
- dlen = tw * ((len - prompt_len) / tw + 1) - (len - prompt_len);
- }
- len += dlen;
- b++;
- }
- tw = rli->tab;
- b = (unsigned char *) rli->buf;
- if (count == 1) want_cursor_pos = prompt_len = len;
- }
-
- if (len < rli->edit_width - rli->dhscroll) start_len = 0;
- else if ((rli->start_column > len)
- || (rli->start_column + rli->edit_width <= len))
- {
- start_len = len - (rli->edit_width - rli->dhscroll);
- if (start_len < 0) start_len = 0;
- }
- else start_len = rli->start_column;
- rli->start_column = start_len;
-
- want_cursor_pos = len - start_len;
-
- /* second pass */
- p = rli->new_upd;
-
- len = 0;
- count = 2;
- b = (unsigned char *) rli->prompt;
- if (b == NULL) b = (unsigned char *) "";
-
- while ((len < start_len) && (*b))
- {
- len += Char_Widths[*b++];
- }
-
- tw = 0;
- if (*b == 0)
- {
- b = (unsigned char *) rli->buf;
- while (len < start_len)
- {
- len += Char_Widths[*b++];
- }
- tw = rli->tab;
- count--;
- }
-
- len = 0;
- while (count--)
- {
- if ((count == 0) && (no_echo))
- break;
-
- while ((len < rli->edit_width) && ((chb = *b++) != 0))
- {
- dlen = Char_Widths[chb];
- if (dlen == 1) *p++ = chb;
- else
- {
- if ((chb == '\t') && tw)
- {
- dlen = tw * ((len + start_len - prompt_len) / tw + 1) - (len + start_len - prompt_len);
- len += dlen; /* ok since dlen comes out 0 */
- if (len > rli->edit_width) dlen = len - rli->edit_width;
- while (dlen--) *p++ = ' ';
- dlen = 0;
- }
- else
- {
- if (dlen == 3)
- {
- chb &= 0x7F;
- *p++ = '~';
- }
-
- *p++ = '^';
- if (chb == 127) *p++ = '?';
- else *p++ = chb + '@';
- }
- }
- len += dlen;
- }
- /* if (start_len > prompt_len) break; */
- tw = rli->tab;
- b = (unsigned char *) rli->buf;
- }
-
- rli->new_upd_len = (int) (p - rli->new_upd);
- while (p < rli->new_upd + rli->edit_width) *p++ = ' ';
- really_update (rli, want_cursor_pos);
-}
-
-void SLrline_redraw (SLang_RLine_Info_Type *rli)
-{
- unsigned char *p = rli->new_upd;
- unsigned char *pmax = p + rli->edit_width;
- while (p < pmax) *p++ = ' ';
- rli->new_upd_len = rli->edit_width;
- really_update (rli, 0);
- RLupdate (rli);
-}
-
-static int rl_eof_insert (void)
-{
- if (This_RLI->len == 0)
- {
- SLang_Last_Key_Char = SLang_RL_EOF_Char;
- /* rl_self_insert (); */
- return rl_enter ();
- }
- return 0;
-}
-
-/* This is very naive. It knows very little about nesting and nothing
- * about quoting.
- */
-static void blink_match (SLang_RLine_Info_Type *rli)
-{
- unsigned char bra, ket;
- unsigned int delta_column;
- unsigned char *p, *pmin;
- int dq_level, sq_level;
- int level;
-
- pmin = rli->buf;
- p = pmin + rli->point;
- if (pmin == p)
- return;
-
- ket = SLang_Last_Key_Char;
- switch (ket)
- {
- case ')':
- bra = '(';
- break;
- case ']':
- bra = '[';
- break;
- case '}':
- bra = '{';
- break;
- default:
- return;
- }
-
- level = 0;
- sq_level = dq_level = 0;
-
- delta_column = 0;
- while (p > pmin)
- {
- char ch;
-
- p--;
- delta_column++;
- ch = *p;
-
- if (ch == ket)
- {
- if ((dq_level == 0) && (sq_level == 0))
- level++;
- }
- else if (ch == bra)
- {
- if ((dq_level != 0) || (sq_level != 0))
- continue;
-
- level--;
- if (level == 0)
- {
- rli->point -= delta_column;
- RLupdate (rli);
- (*rli->input_pending)(10);
- rli->point += delta_column;
- RLupdate (rli);
- break;
- }
- if (level < 0)
- break;
- }
- else if (ch == '"') dq_level = !dq_level;
- else if (ch == '\'') sq_level = !sq_level;
- }
-}
-
-int SLang_read_line (SLang_RLine_Info_Type *rli)
-{
- unsigned char *p, *pmax;
- SLang_Key_Type *key;
-
- SLang_Rline_Quit = 0;
- This_RLI = rli;
- p = rli->old_upd; pmax = p + rli->edit_width;
- while (p < pmax) *p++ = ' ';
-
- /* Sanity checking */
- rli->len = strlen ((char *) rli->buf);
- if (rli->len >= rli->buf_len)
- {
- rli->len = 0;
- *rli->buf = 0;
- }
- if (rli->point > rli->len) rli->point = rli->len;
- if (rli->point < 0) rli->point = 0;
-
- rli->curs_pos = rli->start_column = 0;
- rli->new_upd_len = rli->old_upd_len = 0;
-
- This_RLI->last_fun = NULL;
- if (rli->update_hook == NULL)
- putc ('\r', stdout);
-
- RLupdate (rli);
-
- while (1)
- {
- key = SLang_do_key (RL_Keymap, (int (*)(void)) rli->getkey);
-
- if ((key == NULL) || (key->f.f == NULL))
- rl_beep ();
- else
- {
- if ((SLang_Last_Key_Char == SLang_RL_EOF_Char)
- && (*key->str == 2)
- && (This_RLI->len == 0))
- rl_eof_insert ();
- else if (key->type == SLKEY_F_INTRINSIC)
- {
- if ((key->f.f)())
- RLupdate (rli);
-
- if ((rli->flags & SL_RLINE_BLINK_MATCH)
- && (rli->input_pending != NULL))
- blink_match (rli);
- }
-
- if (SLang_Rline_Quit)
- {
- This_RLI->buf[This_RLI->len] = 0;
- if (SLang_Error == SL_USER_BREAK)
- {
- SLang_Error = 0;
- return -1;
- }
- return This_RLI->len;
- }
- }
- if (key != NULL)
- This_RLI->last_fun = key->f.f;
- }
-}
-
-static int rl_abort (void)
-{
- rl_delete_line ();
- return rl_enter ();
-}
-
-/* TTY interface --- ANSI */
-
-static void ansi_goto_column (int n)
-{
- putc('\r', stdout);
- if (n) fprintf(stdout, "\033[%dC", n);
-}
-
-static void rl_select_line (SLang_Read_Line_Type *p)
-{
- This_RLI->last = p;
- strcpy ((char *) This_RLI->buf, (char *) p->buf);
- This_RLI->point = This_RLI->len = strlen((char *) p->buf);
-}
-static int rl_next_line (void);
-static int rl_prev_line (void)
-{
- SLang_Read_Line_Type *prev;
-
- if (((This_RLI->last_fun != (FVOID_STAR) rl_prev_line)
- && (This_RLI->last_fun != (FVOID_STAR) rl_next_line))
- || (This_RLI->last == NULL))
- {
- prev = This_RLI->tail;
- }
- else prev = This_RLI->last->prev;
-
- if (prev == NULL)
- {
- rl_beep ();
- return 0;
- }
-
- rl_select_line (prev);
- return 1;
-}
-static int rl_redraw (void)
-{
- SLrline_redraw (This_RLI);
- return 1;
-}
-
-static int rl_next_line (void)
-{
- SLang_Read_Line_Type *next;
-
- if (((This_RLI->last_fun != (FVOID_STAR) rl_prev_line)
- && (This_RLI->last_fun != (FVOID_STAR) rl_next_line))
- || (This_RLI->last == NULL))
- {
- rl_beep ();
- return 0;
- }
-
- next = This_RLI->last->next;
-
- if (next == NULL)
- {
- This_RLI->len = This_RLI->point = 0;
- *This_RLI->buf = 0;
- This_RLI->last = NULL;
- }
- else rl_select_line (next);
- return 1;
-}
-
-static SLKeymap_Function_Type SLReadLine_Functions[] =
-{
- {"up", rl_prev_line},
- {"down", rl_next_line},
- {"bol", rl_bol},
- {"eol", rl_eol},
- {"right", rl_right},
- {"left", rl_left},
- {"self_insert", rl_self_insert},
- {"bdel", rl_bdel},
- {"del", rl_del},
- {"deleol", rl_deleol},
- {"enter", rl_enter},
- {"trim", rl_trim},
- {"quoted_insert", rl_quote_insert},
- {(char *) NULL, NULL}
-};
-
-int SLang_init_readline (SLang_RLine_Info_Type *rli)
-{
- int ch;
- char simple[2];
-
- if (RL_Keymap == NULL)
- {
- simple[1] = 0;
- if (NULL == (RL_Keymap = SLang_create_keymap ("ReadLine", NULL)))
- return -1;
-
- RL_Keymap->functions = SLReadLine_Functions;
-
- /* This breaks under some DEC ALPHA compilers (scary!) */
-#ifndef __DECC
- for (ch = ' '; ch < 256; ch++)
- {
- simple[0] = (char) ch;
- SLkm_define_key (simple, (FVOID_STAR) rl_self_insert, RL_Keymap);
- }
-#else
- ch = ' ';
- while (1)
- {
- simple[0] = (char) ch;
- SLkm_define_key (simple, (FVOID_STAR) rl_self_insert, RL_Keymap);
- ch = ch + 1;
- if (ch == 256) break;
- }
-#endif /* NOT __DECC */
-
- simple[0] = SLang_Abort_Char;
- SLkm_define_key (simple, (FVOID_STAR) rl_abort, RL_Keymap);
- simple[0] = SLang_RL_EOF_Char;
- SLkm_define_key (simple, (FVOID_STAR) rl_eof_insert, RL_Keymap);
-
-#ifndef IBMPC_SYSTEM
- SLkm_define_key ("^[[A", (FVOID_STAR) rl_prev_line, RL_Keymap);
- SLkm_define_key ("^[[B", (FVOID_STAR) rl_next_line, RL_Keymap);
- SLkm_define_key ("^[[C", (FVOID_STAR) rl_right, RL_Keymap);
- SLkm_define_key ("^[[D", (FVOID_STAR) rl_left, RL_Keymap);
- SLkm_define_key ("^[OA", (FVOID_STAR) rl_prev_line, RL_Keymap);
- SLkm_define_key ("^[OB", (FVOID_STAR) rl_next_line, RL_Keymap);
- SLkm_define_key ("^[OC", (FVOID_STAR) rl_right, RL_Keymap);
- SLkm_define_key ("^[OD", (FVOID_STAR) rl_left, RL_Keymap);
-#else
- SLkm_define_key ("^@H", (FVOID_STAR) rl_prev_line, RL_Keymap);
- SLkm_define_key ("^@P", (FVOID_STAR) rl_next_line, RL_Keymap);
- SLkm_define_key ("^@M", (FVOID_STAR) rl_right, RL_Keymap);
- SLkm_define_key ("^@K", (FVOID_STAR) rl_left, RL_Keymap);
- SLkm_define_key ("^@S", (FVOID_STAR) rl_del, RL_Keymap);
- SLkm_define_key ("^@O", (FVOID_STAR) rl_eol, RL_Keymap);
- SLkm_define_key ("^@G", (FVOID_STAR) rl_bol, RL_Keymap);
-
- SLkm_define_key ("\xE0H", (FVOID_STAR) rl_prev_line, RL_Keymap);
- SLkm_define_key ("\xE0P", (FVOID_STAR) rl_next_line, RL_Keymap);
- SLkm_define_key ("\xE0M", (FVOID_STAR) rl_right, RL_Keymap);
- SLkm_define_key ("\xE0K", (FVOID_STAR) rl_left, RL_Keymap);
- SLkm_define_key ("\xE0S", (FVOID_STAR) rl_del, RL_Keymap);
- SLkm_define_key ("\xE0O", (FVOID_STAR) rl_eol, RL_Keymap);
- SLkm_define_key ("\xE0G", (FVOID_STAR) rl_bol, RL_Keymap);
-#endif
- SLkm_define_key ("^C", (FVOID_STAR) rl_abort, RL_Keymap);
- SLkm_define_key ("^E", (FVOID_STAR) rl_eol, RL_Keymap);
- SLkm_define_key ("^G", (FVOID_STAR) rl_abort, RL_Keymap);
- SLkm_define_key ("^I", (FVOID_STAR) rl_self_insert, RL_Keymap);
- SLkm_define_key ("^A", (FVOID_STAR) rl_bol, RL_Keymap);
- SLkm_define_key ("\r", (FVOID_STAR) rl_enter, RL_Keymap);
- SLkm_define_key ("\n", (FVOID_STAR) rl_enter, RL_Keymap);
- SLkm_define_key ("^K", (FVOID_STAR) rl_deleol, RL_Keymap);
- SLkm_define_key ("^L", (FVOID_STAR) rl_deleol, RL_Keymap);
- SLkm_define_key ("^V", (FVOID_STAR) rl_del, RL_Keymap);
- SLkm_define_key ("^D", (FVOID_STAR) rl_del, RL_Keymap);
- SLkm_define_key ("^F", (FVOID_STAR) rl_right, RL_Keymap);
- SLkm_define_key ("^B", (FVOID_STAR) rl_left, RL_Keymap);
- SLkm_define_key ("^?", (FVOID_STAR) rl_bdel, RL_Keymap);
- SLkm_define_key ("^H", (FVOID_STAR) rl_bdel, RL_Keymap);
- SLkm_define_key ("^P", (FVOID_STAR) rl_prev_line, RL_Keymap);
- SLkm_define_key ("^N", (FVOID_STAR) rl_next_line, RL_Keymap);
- SLkm_define_key ("^R", (FVOID_STAR) rl_redraw, RL_Keymap);
- SLkm_define_key ("`", (FVOID_STAR) rl_quote_insert, RL_Keymap);
- SLkm_define_key ("\033\\", (FVOID_STAR) rl_trim, RL_Keymap);
- if (SLang_Error) return -1;
- }
-
- if (rli->prompt == NULL) rli->prompt = "";
- if (rli->keymap == NULL) rli->keymap = RL_Keymap;
- rli->old_upd = rli->upd_buf1;
- rli->new_upd = rli->upd_buf2;
- *rli->buf = 0;
- rli->point = 0;
-
- if (rli->flags & SL_RLINE_USE_ANSI)
- {
- if (rli->tt_goto_column == NULL) rli->tt_goto_column = ansi_goto_column;
- }
-
- if (Char_Widths[0] == 2) return 0;
-
- for (ch = 0; ch < 32; ch++) Char_Widths[ch] = 2;
- for (ch = 32; ch < 256; ch++) Char_Widths[ch] = 1;
- Char_Widths[127] = 2;
-#ifndef IBMPC_SYSTEM
- for (ch = 128; ch < 160; ch++) Char_Widths[ch] = 3;
-#endif
-
- return 0;
-}
-
-SLang_Read_Line_Type *SLang_rline_save_line (SLang_RLine_Info_Type *rli)
-{
- SLang_Read_Line_Type *rl = NULL;
- unsigned char *buf;
-
- if ((rli == NULL) || (rli->buf == NULL))
- return NULL;
-
- if (NULL == (rl = (SLang_Read_Line_Type *) SLmalloc (sizeof (SLang_Read_Line_Type)))
- || (NULL == (buf = (unsigned char *) SLmake_string ((char *)rli->buf))))
- {
- SLfree ((char *)rl);
- return NULL;
- }
- rl->buf = buf;
- rl->buf_len = strlen ((char *)buf);
- rl->num = rl->misc = 0;
- rl->next = rl->prev = NULL;
-
- if (rli->tail != NULL)
- {
- rli->tail->next = rl;
- rl->prev = rli->tail;
- }
- rli->tail = rl;
-
- return rl;
-}
generated by cgit v1.2.1 (git 2.21.0) at 2025-11-04 06:02:06 +0000