Mercurial > vim
view src/if_perlsfio.c @ 13117:cfaa513efa3f v8.0.1433
patch 8.0.1433: illegal memory access after undo
commit https://github.com/vim/vim/commit/95dbcbea6d85a5b79d9617ab3863458fdf0217a0
Author: Bram Moolenaar <Bram@vim.org>
Date: Sat Jan 27 21:01:34 2018 +0100
patch 8.0.1433: illegal memory access after undo
Problem: Illegal memory access after undo. (Dominique Pelle)
Solution: Avoid the column becomes negative. (Christian Brabandt,
closes #2533)
author | Christian Brabandt <cb@256bit.org> |
---|---|
date | Sat, 27 Jan 2018 21:15:05 +0100 |
parents | 4aead6a9b7a9 |
children | ef00b6bc186b |
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/* vi:set ts=8 sts=4 sw=4 noet: * * VIM - Vi IMproved by Bram Moolenaar * * Do ":help uganda" in Vim to read copying and usage conditions. * Do ":help credits" in Vim to see a list of people who contributed. * See README.txt for an overview of the Vim source code. */ /* * if_perlsfio.c: Special I/O functions for Perl interface. */ #define _memory_h /* avoid memset redeclaration */ #define IN_PERL_FILE /* don't include if_perl.pro from prot.h */ #include "vim.h" #if defined(USE_SFIO) || defined(PROTO) #ifndef USE_SFIO /* just generating prototypes */ # define Sfio_t int # define Sfdisc_t int #endif #define NIL(type) ((type)0) static int sfvimwrite( Sfio_t *f, /* stream involved */ char *buf, /* buffer to read from */ int n, /* number of bytes to write */ Sfdisc_t *disc) /* discipline */ { char_u *str; str = vim_strnsave((char_u *)buf, n); if (str == NULL) return 0; msg_split((char *)str); vim_free(str); return n; } /* * sfdcnewnvi -- * Create Vim discipline */ Sfdisc_t * sfdcnewvim(void) { Sfdisc_t *disc; disc = (Sfdisc_t *)alloc((unsigned)sizeof(Sfdisc_t)); if (disc == NULL) return NULL; disc->readf = (Sfread_f)NULL; disc->writef = sfvimwrite; disc->seekf = (Sfseek_f)NULL; disc->exceptf = (Sfexcept_f)NULL; return disc; } #endif /* USE_SFIO */