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add a “\builtin” builtin, make it forward assignments, fix some bugs

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related to that:
• while AT&T ksh may do it, POSIX says nothing about allowing
  declaration commands only without vars and redirections, and
  “without vars” especially seems against which commands they are
• fix relationship between forwarders and real declaration commands
• clean up c_builtin vs shcomexec mess

Also, re-run “make repool” with a fixed src/scripts/stringpool.sh,v 1.3
This commit is contained in:
tg
2017-03-12 02:04:15 +00:00
parent 86773fcf21
commit b531baa7fd
5 changed files with 88 additions and 86 deletions
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13
funcs.c
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@ -38,7 +38,7 @@
#endif
#endif
__RCSID("$MirOS: src/bin/mksh/funcs.c,v 1.325 2017/03/11 23:22:35 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/funcs.c,v 1.326 2017/03/12 02:04:13 tg Exp $");
#if HAVE_KILLPG
/*
@ -92,6 +92,7 @@ c_false(const char **wp MKSH_A_UNUSED)
/*
* A leading = means assignments before command are kept.
* A leading * means a POSIX special builtin.
* A leading ^ means declaration utility, - forwarder.
*/
const struct builtin mkshbuiltins[] = {
{Tsgdot, c_dot},
@ -100,19 +101,19 @@ const struct builtin mkshbuiltins[] = {
/* no =: AT&T manual wrong */
{Talias, c_alias},
{"*=break", c_brkcont},
{T_builtin, c_builtin},
{T__builtin, c_builtin},
{Tbuiltin, c_builtin},
{Tbcat, c_cat},
{Tcd, c_cd},
/* dash compatibility hack */
{"chdir", c_cd},
{Tcommand, c_command},
{T_command, c_command},
{"*=continue", c_brkcont},
{"echo", c_print},
{"*=eval", c_eval},
{"*=exec", c_exec},
{"*=exit", c_exitreturn},
{Tsgexport, c_typeset},
{Tdsgexport, c_typeset},
{Tfalse, c_false},
{"fc", c_fc},
{Tgetopts, c_getopts},
@ -124,7 +125,7 @@ const struct builtin mkshbuiltins[] = {
{"print", c_print},
{"pwd", c_pwd},
{Tread, c_read},
{Tsgreadonly, c_typeset},
{Tdsgreadonly, c_typeset},
{"!realpath", c_realpath},
{"~rename", c_rename},
{"*=return", c_exitreturn},
@ -138,7 +139,7 @@ const struct builtin mkshbuiltins[] = {
{"*=times", c_times},
{"*=trap", c_trap},
{Ttrue, c_true},
{Tgtypeset, c_typeset},
{Tdgtypeset, c_typeset},
{"ulimit", c_ulimit},
{"umask", c_umask},
{Tunalias, c_unalias},