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Vodz last_patch_125_2, this patch have:

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- synced with dash 0.4.21
- better handle trap "cmds..." SIGINT (strange, i make bad hack for ash 
  and cmdedit, but this work only with this...)
- may be haven`t problem with Ctrl-D
This commit is contained in:
Glenn L McGrath 2004-02-04 08:24:39 +00:00
parent 31b98dd097
commit 16e45d7e29
2 changed files with 66 additions and 15 deletions
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70
shell/ash.c
View File

@ -3476,10 +3476,17 @@ funcdone:
}
static inline int
goodname(const char *p)
{
return !*endofname(p);
}
/*
* Search for a command. This is called before we fork so that the
* location of the command will be available in the parent as well as
* the child.
* the child. The check for "goodname" is an overly conservative
* check that the name will not be subject to expansion.
*/
static void
@ -3488,7 +3495,9 @@ prehash(union node *n)
struct cmdentry entry;
if (n->type == NCMD && n->ncmd.args)
find_command(n->ncmd.args->narg.text, &entry, 0, pathval());
if (goodname(n->ncmd.args->narg.text))
find_command(n->ncmd.args->narg.text, &entry, 0,
pathval());
}
@ -6020,7 +6029,12 @@ retry:
nr = cmdedit_read_input((char *) cmdedit_prompt, buf);
if(nr == 0) {
/* Ctrl+C presend */
raise(SIGINT);
if(trap[SIGINT]) {
buf[0] = '\n';
buf[1] = 0;
raise(SIGINT);
return 1;
}
goto retry;
}
if(nr < 0) {
@ -7425,6 +7439,8 @@ cmdtxt(union node *n)
const char *p;
char s[2];
if (!n)
return;
switch (n->type) {
default:
#if DEBUG
@ -9295,11 +9311,6 @@ static void synerror(const char *) __attribute__((__noreturn__));
static void setprompt(int);
static inline int
goodname(const char *p)
{
return !*endofname(p);
}
static inline int
isassignment(const char *p)
@ -10755,7 +10766,7 @@ noexpand(char *text)
* more letters, underscores, and digits).
*/
char *
static char *
endofname(const char *name)
{
char *p;
@ -11835,12 +11846,13 @@ exitshell(void)
struct jmploc loc;
char *p;
int status;
int jmp;
jmp = setjmp(loc.loc);
status = exitstatus;
TRACE(("pid %d, exitshell(%d)\n", getpid(), status));
if (setjmp(loc.loc)) {
if (jmp)
goto out;
}
handler = &loc;
if ((p = trap[0]) != NULL && *p != '\0') {
trap[0] = NULL;
@ -12713,7 +12725,41 @@ ulimitcmd(int argc, char **argv)
struct rlimit limit;
what = 'f';
while ((optc = nextopt("HSatfdsmcnplvw")) != '\0')
while ((optc = nextopt("HSa"
#ifdef RLIMIT_CPU
"t"
#endif
#ifdef RLIMIT_FSIZE
"f"
#endif
#ifdef RLIMIT_DATA
"d"
#endif
#ifdef RLIMIT_STACK
"s"
#endif
#ifdef RLIMIT_CORE
"c"
#endif
#ifdef RLIMIT_RSS
"m"
#endif
#ifdef RLIMIT_MEMLOCK
"l"
#endif
#ifdef RLIMIT_NPROC
"p"
#endif
#ifdef RLIMIT_NOFILE
"n"
#endif
#ifdef RLIMIT_AS
"v"
#endif
#ifdef RLIMIT_LOCKS
"w"
#endif
)) != '\0')
switch (optc) {
case 'H':
how = HARD;

11
shell/cmdedit.c
View File

@ -1283,10 +1283,15 @@ int cmdedit_read_input(char *prompt, char command[BUFSIZ])
case 3:
/* Control-c -- stop gathering input */
goto_new_line();
#ifndef CONFIG_ASH
command[0] = 0;
len = 0;
lastWasTab = FALSE;
put_prompt();
#else
len = 0;
break_out = -1; /* for control traps */
#endif
break;
case 4:
/* Control-d -- Delete one character, or exit
@ -1299,7 +1304,7 @@ prepare_to_die:
/* cmdedit_reset_term() called in atexit */
exit(EXIT_SUCCESS);
#else
break_out = -1; /* for control stoped jobs */
len = break_out = -1; /* for control stoped jobs */
break;
#endif
} else {
@ -1493,7 +1498,7 @@ rewrite_line:
/* cleanup may be saved current command line */
free(history[MAX_HISTORY]);
history[MAX_HISTORY] = 0;
if (len) { /* no put empty line */
if (len> 0) { /* no put empty line */
int i = n_history;
/* After max history, remove the oldest command */
if (i >= MAX_HISTORY) {
@ -1510,7 +1515,7 @@ rewrite_line:
}
#else /* MAX_HISTORY < 1 */
#if defined(CONFIG_FEATURE_SH_FANCY_PROMPT)
if (len) { /* no put empty line */
if (len > 0) { /* no put empty line */
num_ok_lines++;
}
#endif