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cleanup: get rid of KSHELL and _BLD_shell preprocessor macros

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Once upon a time it might have been possible to build certain parts
of ksh, such as the emacs and vi editors and possibly even the
name/value library (nval(3)) as independent libraries. But given
the depressing amount of bit rot in the code that we inherited, I
am certain that disabling either of these macros had been resulting
in a broken build for many years before AT&T abandoned this code
base. These are certainly not going to be useful now.

Meanwhile the KSHELL macro got in the way of me today, because the
Mamfile did not define it for all the .c files, but some headers
declared some functionality conditionally upon that macro. So
including <io.h> in, e.g., nvdisc.c did not declare the same
functions as including that header in files with KSHELL defined.
This inconsistency is now gone as well, for various files.

I'm currently working on making it possible once again to build
libshell as a dynamic library; that should be good enough. And that
never involved disabling either of these macros.
This commit is contained in:
Martijn Dekker 2021-12-08 22:16:11 +01:00
parent 2b8eaa6609
commit aa3048880b
18 changed files with 102 additions and 285 deletions
Download patch file Download diff file Expand all files Collapse all files

45
src/cmd/ksh93/include/edit.h
View file

@ -32,13 +32,6 @@
#include "FEATURE/options"
#include "FEATURE/locale"
#if !KSHELL
# include <setjmp.h>
# include <sig.h>
# include <ctype.h>
#endif /* KSHELL */
#include "FEATURE/setjmp"
#include "terminal.h"
@ -130,12 +123,8 @@ typedef struct edit
int *e_globals; /* global variables */
genchar *e_window; /* display window image */
char e_inmacro; /* processing macro expansion */
#if KSHELL
char e_vi_insert[2]; /* for sh_keytrap */
int32_t e_col; /* for sh_keytrap */
#else
char e_prbuff[PRSIZE]; /* prompt buffer */
#endif /* KSHELL */
struct termios e_ttyparm; /* initial tty parameters */
struct termios e_nttyparm; /* raw tty parameters */
struct termios e_savetty; /* saved terminal state */
@ -185,23 +174,6 @@ typedef struct edit
(c<'J'?c+1-'A':(c+10-'J'))))))))))))))))
#endif
#if !KSHELL
# define STRIP 0377
# define GMACS 1
# define EMACS 2
# define VIRAW 4
# define EDITVI 8
# define NOHIST 16
# define EDITMASK 15
# define is_option(m) (opt_flag&(m))
extern char opt_flag;
# ifdef SYSCALL
# define read(fd,buff,n) syscall(3,fd,buff,n)
# else
# define read(fd,buff,n) rEAd(fd,buff,n)
# endif /* SYSCALL */
#endif /* KSHELL */
extern void ed_crlf(Edit_t*);
extern void ed_putchar(Edit_t*, int);
extern void ed_ringbell(void);
@ -216,19 +188,17 @@ extern int ed_read(void*, int, char*, int, int);
extern int ed_emacsread(void*, int, char*, int, int);
extern Edpos_t ed_curpos(Edit_t*, genchar*, int, int, Edpos_t);
extern int ed_setcursor(Edit_t*, genchar*, int, int, int);
#if KSHELL
extern int ed_macro(Edit_t*,int);
extern int ed_expand(Edit_t*, char[],int*,int*,int,int);
extern int ed_fulledit(Edit_t*);
extern void *ed_open(Shell_t*);
#endif /* KSHELL */
# if SHOPT_MULTIBYTE
extern int ed_macro(Edit_t*,int);
extern int ed_expand(Edit_t*, char[],int*,int*,int,int);
extern int ed_fulledit(Edit_t*);
extern void *ed_open(Shell_t*);
#if SHOPT_MULTIBYTE
extern int ed_internal(const char*, genchar*);
extern int ed_external(const genchar*, char*);
extern void ed_gencpy(genchar*,const genchar*);
extern void ed_genncpy(genchar*,const genchar*,int);
extern int ed_genlen(const genchar*);
# endif /* SHOPT_MULTIBYTE */
#endif /* SHOPT_MULTIBYTE */
#if SHOPT_EDPREDICT
extern int ed_histgen(Edit_t*, const char*);
# if SHOPT_ESH || SHOPT_VSH
@ -237,9 +207,6 @@ extern int ed_setcursor(Edit_t*, genchar*, int, int, int);
#endif /* SHOPT_EDPREDICT */
extern const char e_runvi[];
#if !KSHELL
extern const char e_version[];
#endif /* KSHELL */
#if SHOPT_HISTEXPAND