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make $LINENO in PS1 equivalent to ! (bug spotted by carstenh in IRC)

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This commit is contained in:
tg 2015-07-05 13:49:42 +00:00
parent 7a1acedd4a
commit 11a2f9d822
1 changed files with 6 additions and 1 deletions
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7
lex.c
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@ -23,7 +23,7 @@
#include "sh.h"
__RCSID("$MirOS: src/bin/mksh/lex.c,v 1.201 2015/04/29 20:07:33 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/lex.c,v 1.202 2015/07/05 13:49:42 tg Exp $");
/*
* states while lexing word
@ -1495,6 +1495,7 @@ set_prompt(int to, Source *s)
struct shf *shf;
char * volatile ps1;
Area *saved_atemp;
int saved_lineno;
ps1 = str_val(global("PS1"));
shf = shf_sopen(NULL, strlen(ps1) * 2,
@ -1506,6 +1507,9 @@ set_prompt(int to, Source *s)
shf_fprintf(shf, "%lu", s ?
(unsigned long)s->line + 1 : 0UL);
ps1 = shf_sclose(shf);
saved_lineno = current_lineno;
if (s)
current_lineno = s->line + 1;
saved_atemp = ATEMP;
newenv(E_ERRH);
if (kshsetjmp(e->jbuf)) {
@ -1521,6 +1525,7 @@ set_prompt(int to, Source *s)
char *cp = substitute(ps1, 0);
strdupx(prompt, cp, saved_atemp);
}
current_lineno = saved_lineno;
quitenv(NULL);
}
break;