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who would’ve thought proper ^C handling be so hard?

This commit is contained in:
tg 2012-10-30 20:49:44 +00:00
parent 8caee45c60
commit 5aa7842d33
4 changed files with 20 additions and 11 deletions
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4
lex.c
View File

@ -23,7 +23,7 @@
#include "sh.h"
__RCSID("$MirOS: src/bin/mksh/lex.c,v 1.169 2012/10/22 20:19:13 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/lex.c,v 1.170 2012/10/30 20:49:41 tg Exp $");
/*
* states while lexing word
@ -108,7 +108,7 @@ void yyskiputf8bom(void);
static int backslash_skip;
static int ignore_backslash_newline;
static struct sretrace_info *retrace_info;
struct sretrace_info *retrace_info = NULL;
int subshell_nesting_type = 0;
/* optimised getsc_bn() */

7
main.c
View File

@ -34,7 +34,7 @@
#include <locale.h>
#endif
__RCSID("$MirOS: src/bin/mksh/main.c,v 1.236 2012/10/30 20:13:19 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/main.c,v 1.237 2012/10/30 20:49:42 tg Exp $");
extern char **environ;
@ -794,7 +794,9 @@ shell(Source * volatile s, volatile bool toplevel)
* needs FMONITOR set (not FTALKING/SF_TTY)...
*/
/* toss any input we have so far */
yyrecursive_pop(true);
s->start = s->str = null;
retrace_info = NULL;
herep = heres;
break;
}
@ -939,8 +941,7 @@ quitenv(struct shf *shf)
char *cp;
int fd;
while (e->yyrecursive_statep)
yyrecursive_pop();
yyrecursive_pop(true);
if (ep->oenv && ep->oenv->loc != ep->loc)
popblock();
if (ep->savefd != NULL) {

7
sh.h
View File

@ -157,7 +157,7 @@
#endif
#ifdef EXTERN
__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.599 2012/10/30 20:13:20 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.600 2012/10/30 20:49:43 tg Exp $");
#endif
#define MKSH_VERSION "R40 2012/10/30"
@ -646,8 +646,11 @@ enum sh_flag {
#define kshlongjmp siglongjmp
#endif
struct sretrace_info;
struct yyrecursive_state;
extern struct sretrace_info *retrace_info;
extern struct env {
ALLOC_ITEM alloc_INT; /* internal, do not touch */
Area area; /* temporary allocation area */
@ -1933,7 +1936,7 @@ void initkeywords(void);
struct op *compile(Source *, bool);
bool parse_usec(const char *, struct timeval *);
char *yyrecursive(int);
void yyrecursive_pop(void);
void yyrecursive_pop(bool);
/* tree.c */
void fptreef(struct shf *, int, const char *, ...);
char *snptreef(char *, ssize_t, const char *, ...);

13
syn.c
View File

@ -23,7 +23,7 @@
#include "sh.h"
__RCSID("$MirOS: src/bin/mksh/syn.c,v 1.83 2012/10/30 20:07:15 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/syn.c,v 1.84 2012/10/30 20:49:44 tg Exp $");
extern int subshell_nesting_type;
extern void yyskiputf8bom(void);
@ -1162,7 +1162,7 @@ yyrecursive(int subtype MKSH_A_UNUSED)
e->yyrecursive_statep = ys;
/* we use TPAREN as a helper container here */
t = nested(TPAREN, stok, etok);
yyrecursive_pop();
yyrecursive_pop(false);
/* t->left because nested(TPAREN, ...) hides our goodies there */
cp = snptreef(NULL, 0, "%T", t->left);
@ -1172,10 +1172,13 @@ yyrecursive(int subtype MKSH_A_UNUSED)
}
void
yyrecursive_pop(void)
yyrecursive_pop(bool popall)
{
struct yyrecursive_state *ys = e->yyrecursive_statep;
struct yyrecursive_state *ys;
popnext:
if (!(ys = e->yyrecursive_statep))
return;
e->yyrecursive_statep = ys->next;
sALIAS = ys->old_salias;
@ -1186,4 +1189,6 @@ yyrecursive_pop(void)
subshell_nesting_type = ys->old_nesting_type;
afree(ys, ATEMP);
if (popall)
goto popnext;
}