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-rw-r--r--src/memory.c388
1 files changed, 0 insertions, 388 deletions
diff --git a/src/memory.c b/src/memory.c
deleted file mode 100644
index 53214d5265..0000000000
--- a/src/memory.c
+++ /dev/null
@@ -1,388 +0,0 @@
- // Various routines dealing with allocation and deallocation of memory.
-
-#include <stdlib.h>
-#include <string.h>
-
-#include "vim.h"
-#include "misc2.h"
-#include "file_search.h"
-#include "blowfish.h"
-#include "buffer.h"
-#include "charset.h"
-#include "diff.h"
-#include "edit.h"
-#include "eval.h"
-#include "ex_cmds.h"
-#include "ex_docmd.h"
-#include "ex_getln.h"
-#include "fileio.h"
-#include "fold.h"
-#include "getchar.h"
-#include "mark.h"
-#include "mbyte.h"
-#include "memfile.h"
-#include "memline.h"
-#include "memory.h"
-#include "message.h"
-#include "misc1.h"
-#include "move.h"
-#include "option.h"
-#include "ops.h"
-#include "os_unix.h"
-#include "path.h"
-#include "quickfix.h"
-#include "regexp.h"
-#include "screen.h"
-#include "search.h"
-#include "spell.h"
-#include "syntax.h"
-#include "tag.h"
-#include "term.h"
-#include "ui.h"
-#include "window.h"
-#include "os/os.h"
-
-static void try_to_free_memory();
-
-/*
- * Note: if unsigned is 16 bits we can only allocate up to 64K with alloc().
- */
-char_u *alloc(unsigned size)
-{
- return xmalloc(size);
-}
-
-/// Try to free memory. Used when trying to recover from out of memory errors.
-/// @see {xmalloc}
-static 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;
-}
-
-void *try_malloc(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);
- }
- }
- return ret;
-}
-
-void *verbose_try_malloc(size_t size)
-{
- void *ret = try_malloc(size);
- if (!ret) {
- do_outofmem_msg((long_u)size);
- }
- return ret;
-}
-
-void *xmalloc(size_t size)
-{
- void *ret = try_malloc(size);
-
- if (!ret) {
- OUT_STR("Vim: Error: Out of memory.\n");
- preserve_exit();
- }
- return ret;
-}
-
-void *xcalloc(size_t count, size_t size)
-{
- void *ret = calloc(count, size);
-
- if (!ret && (!count || !size))
- ret = calloc(1, 1);
-
- if (!ret) {
- try_to_free_memory();
- ret = calloc(count, size);
- if (!ret && (!count || !size))
- ret = calloc(1, 1);
- if (!ret) {
- OUT_STR("Vim: Error: Out of memory.\n");
- preserve_exit();
- }
- }
-
- return ret;
-}
-
-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;
-}
-
-void *xmallocz(size_t size)
-{
- size_t total_size = size + 1;
- void *ret;
-
- if (total_size < size) {
- OUT_STR("Vim: Data too large to fit into virtual memory space\n");
- preserve_exit();
- }
-
- ret = xmalloc(total_size);
- ((char*)ret)[size] = 0;
-
- return ret;
-}
-
-void *xmemdupz(const void *data, size_t len)
-{
- return memcpy(xmallocz(len), data, len);
-}
-
-char *xstpcpy(char *restrict dst, const char *restrict src)
-{
- const size_t len = strlen(src);
- return (char *)memcpy(dst, src, len + 1) + len;
-}
-
-char *xstpncpy(char *restrict dst, const char *restrict src, size_t maxlen)
-{
- const char *p = memchr(src, '\0', maxlen);
- if (p) {
- size_t srclen = (size_t)(p - src);
- memcpy(dst, src, srclen);
- memset(dst + srclen, 0, maxlen - srclen);
- return dst + srclen;
- } else {
- memcpy(dst, src, maxlen);
- return dst + maxlen;
- }
-}
-
-char * xstrdup(const char *str)
-{
- char *ret = strdup(str);
-
- if (!ret) {
- try_to_free_memory();
- ret = strdup(str);
- if (!ret) {
- OUT_STR("Vim: Error: Out of memory.\n");
- preserve_exit();
- }
- }
-
- return ret;
-}
-
-char *xstrndup(const char *str, size_t len)
-{
- char *p = memchr(str, '\0', len);
- return xmemdupz(str, p ? (size_t)(p - str) : len);
-}
-
-char *xmemdup(const char *data, size_t len)
-{
- return memcpy(xmalloc(len), data, len);
-}
-
-/*
- * 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;
-
- EMSGU(_("E342: Out of memory! (allocating %" PRIu64 " 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. */
- free(last_cmdline);
- 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();
-
- free(NameBuff);
-}
-
-#endif
-
generated by cgit (git 2.34.1) at 2025-08-09 15:26:20 +0000