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-rw-r--r--src/misc2.c306
1 files changed, 1 insertions, 305 deletions
diff --git a/src/misc2.c b/src/misc2.c
index c5620e2103..e97d838477 100644
--- a/src/misc2.c
+++ b/src/misc2.c
@@ -31,6 +31,7 @@
#include "mbyte.h"
#include "memfile.h"
#include "memline.h"
+#include "memory.h"
#include "message.h"
#include "misc1.h"
#include "move.h"
@@ -595,311 +596,6 @@ int leftcol_changed(void)
return retval;
}
-/**********************************************************************
- * Various routines dealing with allocation and deallocation of memory.
- */
-
-/*
- * Note: if unsigned is 16 bits we can only allocate up to 64K with alloc().
- * Use lalloc for larger blocks.
- */
-char_u *alloc(unsigned size)
-{
- return lalloc((long_u)size, TRUE);
-}
-
-/*
- * Allocate memory and set all bytes to zero.
- */
-char_u *alloc_clear(unsigned size)
-{
- char_u *p;
-
- p = lalloc((long_u)size, TRUE);
- if (p != NULL)
- (void)memset(p, 0, (size_t)size);
- return p;
-}
-
-/*
- * alloc() with check for maximum line length
- */
-char_u *alloc_check(unsigned size)
-{
-#if !defined(UNIX) && !defined(__EMX__)
- if (sizeof(int) == 2 && size > 0x7fff) {
- /* Don't hide this message */
- emsg_silent = 0;
- EMSG(_("E340: Line is becoming too long"));
- return NULL;
- }
-#endif
- return lalloc((long_u)size, TRUE);
-}
-
-/*
- * Allocate memory like lalloc() and set all bytes to zero.
- */
-char_u *lalloc_clear(long_u size, int message)
-{
- char_u *p = lalloc(size, message);
- memset(p, 0, (size_t)size);
- return p;
-}
-
-/// Try to free memory. Used when trying to recover from out of memory errors.
-/// @see {xmalloc}
-void try_to_free_memory()
-{
- static bool trying_to_free = false;
- // avoid recursive calls
- if (trying_to_free)
- return;
- trying_to_free = true;
-
- // free any scrollback text
- clear_sb_text();
- // Try to save all buffers and release as many blocks as possible
- mf_release_all();
- // cleanup recursive lists/dicts
- garbage_collect();
-
- trying_to_free = false;
-}
-
-/// malloc() wrapper
-///
-/// xmalloc() succeeds or gracefully aborts when out of memory.
-/// Before aborting try to free some memory and call malloc again.
-///
-/// @see {try_to_free_memory}
-/// @param size
-/// @return pointer to allocated space. Never NULL
-void *xmalloc(size_t size)
-{
- void *ret = malloc(size);
-
- if (!ret && !size)
- ret = malloc(1);
-
- if (!ret) {
- try_to_free_memory();
- ret = malloc(size);
- if (!ret && !size)
- ret = malloc(1);
- if (!ret) {
- OUT_STR("Vim: Error: Out of memory.\n");
- preserve_exit();
- }
- }
-
- return ret;
-}
-
-/// realloc() wrapper
-///
-/// @see {xmalloc}
-/// @param size
-/// @return pointer to reallocated space. Never NULL
-void *xrealloc(void *ptr, size_t size)
-{
- void *ret = realloc(ptr, size);
-
- if (!ret && !size)
- ret = realloc(ptr, 1);
-
- if (!ret) {
- try_to_free_memory();
- ret = realloc(ptr, size);
- if (!ret && !size)
- ret = realloc(ptr, 1);
- if (!ret) {
- OUT_STR("Vim: Error: Out of memory.\n");
- preserve_exit();
- }
- }
-
- return ret;
-}
-
-/// Old low level memory allocation function.
-///
-/// @deprecated use xmalloc() directly instead
-/// @param size
-/// @return pointer to allocated space. Never NULL
-char_u *lalloc(long_u size, int message)
-{
- return (char_u *)xmalloc((size_t)size);
-}
-
-/*
- * Avoid repeating the error message many times (they take 1 second each).
- * Did_outofmem_msg is reset when a character is read.
- */
-void do_outofmem_msg(long_u size)
-{
- if (!did_outofmem_msg) {
- /* Don't hide this message */
- emsg_silent = 0;
-
- /* Must come first to avoid coming back here when printing the error
- * message fails, e.g. when setting v:errmsg. */
- did_outofmem_msg = TRUE;
-
- EMSGN(_("E342: Out of memory! (allocating %lu bytes)"), size);
- }
-}
-
-#if defined(EXITFREE) || defined(PROTO)
-
-/*
- * Free everything that we allocated.
- * Can be used to detect memory leaks, e.g., with ccmalloc.
- * NOTE: This is tricky! Things are freed that functions depend on. Don't be
- * surprised if Vim crashes...
- * Some things can't be freed, esp. things local to a library function.
- */
-void free_all_mem(void)
-{
- buf_T *buf, *nextbuf;
- static int entered = FALSE;
-
- /* When we cause a crash here it is caught and Vim tries to exit cleanly.
- * Don't try freeing everything again. */
- if (entered)
- return;
- entered = TRUE;
-
- block_autocmds(); /* don't want to trigger autocommands here */
-
- /* Close all tabs and windows. Reset 'equalalways' to avoid redraws. */
- p_ea = FALSE;
- if (first_tabpage->tp_next != NULL)
- do_cmdline_cmd((char_u *)"tabonly!");
- if (firstwin != lastwin)
- do_cmdline_cmd((char_u *)"only!");
-
- /* Free all spell info. */
- spell_free_all();
-
- /* Clear user commands (before deleting buffers). */
- ex_comclear(NULL);
-
- /* Clear menus. */
- do_cmdline_cmd((char_u *)"aunmenu *");
- do_cmdline_cmd((char_u *)"menutranslate clear");
-
- /* Clear mappings, abbreviations, breakpoints. */
- do_cmdline_cmd((char_u *)"lmapclear");
- do_cmdline_cmd((char_u *)"xmapclear");
- do_cmdline_cmd((char_u *)"mapclear");
- do_cmdline_cmd((char_u *)"mapclear!");
- do_cmdline_cmd((char_u *)"abclear");
- do_cmdline_cmd((char_u *)"breakdel *");
- do_cmdline_cmd((char_u *)"profdel *");
- do_cmdline_cmd((char_u *)"set keymap=");
-
- free_titles();
- free_findfile();
-
- /* Obviously named calls. */
- free_all_autocmds();
- clear_termcodes();
- free_all_options();
- free_all_marks();
- alist_clear(&global_alist);
- free_homedir();
- free_users();
- free_search_patterns();
- free_old_sub();
- free_last_insert();
- free_prev_shellcmd();
- free_regexp_stuff();
- free_tag_stuff();
- free_cd_dir();
- free_signs();
- set_expr_line(NULL);
- diff_clear(curtab);
- clear_sb_text(); /* free any scrollback text */
-
- /* Free some global vars. */
- vim_free(last_cmdline);
- vim_free(new_last_cmdline);
- set_keep_msg(NULL, 0);
-
- /* Clear cmdline history. */
- p_hi = 0;
- init_history();
-
- {
- win_T *win;
- tabpage_T *tab;
-
- qf_free_all(NULL);
- /* Free all location lists */
- FOR_ALL_TAB_WINDOWS(tab, win)
- qf_free_all(win);
- }
-
- /* Close all script inputs. */
- close_all_scripts();
-
- /* Destroy all windows. Must come before freeing buffers. */
- win_free_all();
-
- /* Free all buffers. Reset 'autochdir' to avoid accessing things that
- * were freed already. */
- p_acd = FALSE;
- for (buf = firstbuf; buf != NULL; ) {
- nextbuf = buf->b_next;
- close_buffer(NULL, buf, DOBUF_WIPE, FALSE);
- if (buf_valid(buf))
- buf = nextbuf; /* didn't work, try next one */
- else
- buf = firstbuf;
- }
-
- free_cmdline_buf();
-
- /* Clear registers. */
- clear_registers();
- ResetRedobuff();
- ResetRedobuff();
-
-
- /* highlight info */
- free_highlight();
-
- reset_last_sourcing();
-
- free_tabpage(first_tabpage);
- first_tabpage = NULL;
-
-# ifdef UNIX
- /* Machine-specific free. */
- mch_free_mem();
-# endif
-
- /* message history */
- for (;; )
- if (delete_first_msg() == FAIL)
- break;
-
- eval_clear();
-
- free_termoptions();
-
- /* screenlines (can't display anything now!) */
- free_screenlines();
-
- clear_hl_tables();
-
- vim_free(IObuff);
- vim_free(NameBuff);
-}
-
-#endif
-
/*
* Copy "string" into newly allocated memory.
*/
generated by cgit (git 2.34.1) at 2025-06-05 20:16:08 +0000