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patch 8.1.0953: a very long file is truncated at 2^31 lines

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Problem:    A very long file is truncated at 2^31 lines.
Solution:   Use LONG_MAX for MAXLNUM. (Dominique Pelle, closes #4011)
This commit is contained in:
Bram Moolenaar
2019-02-19 21:24:54 +01:00
parent bbd854dc57
commit c9629251a6
2 changed files with 12 additions and 10 deletions
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20
src/vim.h
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@@ -54,6 +54,9 @@
Error: configure did not run properly. Check auto/config.log.
# endif
// for INT_MAX, LONG_MAX et al.
#include <limits.h>
/*
* Cygwin may have fchdir() in a newer release, but in most versions it
* doesn't work well and avoiding it keeps the binary backward compatible.
@@ -455,9 +458,6 @@ typedef unsigned int u8char_T; // int is 32 bits or more
# include <errno.h>
#endif
/* for INT_MAX et al. */
#include <limits.h>
/*
* Allow other (non-unix) systems to configure themselves now
* These are also in os_unix.h, because osdef.sh needs them there.
@@ -1666,17 +1666,17 @@ typedef unsigned short disptick_T; /* display tick type */
* not a real problem. BTW: Longer lines are split.
*/
#ifdef __MVS__
# define MAXCOL (0x3fffffffL) /* maximum column number, 30 bits */
# define MAXLNUM (0x3fffffffL) /* maximum (invalid) line number */
# define MAXCOL (0x3fffffffL) // maximum column number, 30 bits
# define MAXLNUM (0x3fffffffL) // maximum (invalid) line number
#else
# define MAXCOL (0x7fffffffL) /* maximum column number, 31 bits */
# define MAXLNUM (0x7fffffffL) /* maximum (invalid) line number */
# define MAXCOL INT_MAX // maximum column number
# define MAXLNUM LONG_MAX // maximum (invalid) line number
#endif
#define SHOWCMD_COLS 10 /* columns needed by shown command */
#define STL_MAX_ITEM 80 /* max nr of %<flag> in statusline */
#define SHOWCMD_COLS 10 // columns needed by shown command
#define STL_MAX_ITEM 80 // max nr of %<flag> in statusline
typedef void *vim_acl_T; /* dummy to pass an ACL to a function */
typedef void *vim_acl_T; // dummy to pass an ACL to a function
#ifndef mch_memmove
# define mch_memmove(to, from, len) memmove((char*)(to), (char*)(from), (size_t)(len))