mirror of
https://github.com/topjohnwu/ndk-busybox.git
synced 2024-11-24 12:19:49 +00:00
conspy: code shrink
function old new delta conspy_main 1446 1444 -2 screen_read_close 114 108 -6 screen_char 299 293 -6 Signed-off-by: Pascal Bellard <pascal.bellard@ads-lu.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Pascal Bellard
Denys Vlasenko
parent
7d1201c5d7
commit
ff37799dfe
@ -163,16 +163,6 @@ INSERT
|
||||
#define blkid_full_usage "\n\n" \
|
||||
"Print UUIDs of all filesystems"
|
||||
|
||||
#define bootchartd_trivial_usage \
|
||||
"start [PROG ARGS]|stop|init"
|
||||
#define bootchartd_full_usage "\n\n" \
|
||||
"Create /var/log/bootchart.tgz with boot chart data\n" \
|
||||
"\nOptions:" \
|
||||
"\nstart: start background logging; with PROG, run PROG, then kill logging with USR1" \
|
||||
"\nstop: send USR1 to all bootchartd processes" \
|
||||
"\ninit: start background logging; stop when getty/xdm is seen (for init scripts)" \
|
||||
"\nUnder PID 1: as init, then exec $bootchart_init, /init, /sbin/init" \
|
||||
|
||||
#define brctl_trivial_usage \
|
||||
"COMMAND [BRIDGE [INTERFACE]]"
|
||||
#define brctl_full_usage "\n\n" \
|
||||
|
||||
@ -156,7 +156,7 @@ static int dump_procs(FILE *fp, int look_for_login_process)
|
||||
continue;
|
||||
p++;
|
||||
strchrnul(p, ')')[0] = '\0';
|
||||
/* If is gdm, kdm or a getty? */
|
||||
/* Is it gdm, kdm or a getty? */
|
||||
if (((p[0] == 'g' || p[0] == 'k' || p[0] == 'x') && p[1] == 'd' && p[2] == 'm')
|
||||
|| strstr(p, "getty")
|
||||
) {
|
||||
@ -258,13 +258,12 @@ static void finalize(char *tempdir, const char *prog)
|
||||
fprintf(header_fp, "profile.process = %s\n", prog);
|
||||
|
||||
fputs("version = "BC_VERSION_STR"\n", header_fp);
|
||||
|
||||
if (ENABLE_FEATURE_BOOTCHARTD_BLOATED_HEADER) {
|
||||
char *hostname;
|
||||
char *kcmdline;
|
||||
time_t t;
|
||||
struct tm tm_time;
|
||||
/* x2 for possible localized data */
|
||||
/* x2 for possible localized weekday/month names */
|
||||
char date_buf[sizeof("Mon Jun 21 05:29:03 CEST 2010") * 2];
|
||||
struct utsname unamebuf;
|
||||
|
||||
@ -313,16 +312,16 @@ static void finalize(char *tempdir, const char *prog)
|
||||
*/
|
||||
}
|
||||
|
||||
/* Usage:
|
||||
* bootchartd start [PROG ARGS]: start logging in background, USR1 stops it.
|
||||
* With PROG, runs PROG, then kills background logging.
|
||||
* bootchartd stop: same as "killall -USR1 bootchartd"
|
||||
* bootchartd init: start logging in background
|
||||
* Stop when getty/gdm is seen (if AUTO_STOP_LOGGER = yes).
|
||||
* Meant to be used from init scripts.
|
||||
* bootchartd (pid==1): as init, but then execs $bootchart_init, /init, /sbin/init
|
||||
* Meant to be used as kernel's init process.
|
||||
*/
|
||||
//usage:#define bootchartd_trivial_usage
|
||||
//usage: "start [PROG ARGS]|stop|init"
|
||||
//usage:#define bootchartd_full_usage "\n\n"
|
||||
//usage: "Create /var/log/bootchart.tgz with boot chart data\n"
|
||||
//usage: "\nOptions:"
|
||||
//usage: "\nstart: start background logging; with PROG, run PROG, then kill logging with USR1"
|
||||
//usage: "\nstop: send USR1 to all bootchartd processes"
|
||||
//usage: "\ninit: start background logging; stop when getty/xdm is seen (for init scripts)"
|
||||
//usage: "\nUnder PID 1: as init, then exec $bootchart_init, /init, /sbin/init"
|
||||
|
||||
int bootchartd_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
|
||||
int bootchartd_main(int argc UNUSED_PARAM, char **argv)
|
||||
{
|
||||
@ -358,7 +357,7 @@ int bootchartd_main(int argc UNUSED_PARAM, char **argv)
|
||||
cmd = CMD_PID1;
|
||||
}
|
||||
|
||||
/* Here we are in START or INIT state */
|
||||
/* Here we are in START, INIT or CMD_PID1 state */
|
||||
|
||||
/* Read config file: */
|
||||
sample_period_us = 200 * 1000;
|
||||
@ -422,7 +421,7 @@ int bootchartd_main(int argc UNUSED_PARAM, char **argv)
|
||||
execl(bootchart_init, bootchart_init, NULL);
|
||||
execl("/init", "init", NULL);
|
||||
execl("/sbin/init", "init", NULL);
|
||||
bb_perror_msg_and_die("can't exec '%s'", "/sbin/init");
|
||||
bb_perror_msg_and_die("can't execute '%s'", "/sbin/init");
|
||||
}
|
||||
|
||||
if (cmd == CMD_START && argv[2]) { /* "start PROG ARGS" */
|
||||
@ -432,7 +431,7 @@ int bootchartd_main(int argc UNUSED_PARAM, char **argv)
|
||||
if (pid == 0) { /* child */
|
||||
argv += 2;
|
||||
execvp(argv[0], argv);
|
||||
bb_perror_msg_and_die("can't exec '%s'", argv[0]);
|
||||
bb_perror_msg_and_die("can't execute '%s'", argv[0]);
|
||||
}
|
||||
/* parent */
|
||||
waitpid(pid, NULL, 0);
|
||||
|
||||
@ -56,31 +56,33 @@ struct globals {
|
||||
int size;
|
||||
int x, y;
|
||||
int kbd_fd;
|
||||
unsigned width;
|
||||
unsigned height;
|
||||
unsigned col;
|
||||
unsigned line;
|
||||
int vcsa_fd;
|
||||
int ioerror_count;
|
||||
int key_count;
|
||||
int escape_count;
|
||||
int nokeys;
|
||||
int current;
|
||||
int vcsa_fd;
|
||||
uint16_t last_attr;
|
||||
uint8_t last_bold;
|
||||
uint8_t last_blink;
|
||||
uint8_t last_fg;
|
||||
uint8_t last_bg;
|
||||
char attrbuf[sizeof("\033[0;1;5;30;40m")];
|
||||
// cached local tty parameters
|
||||
unsigned width;
|
||||
unsigned height;
|
||||
unsigned col;
|
||||
unsigned line;
|
||||
smallint curoff;
|
||||
uint8_t last_attr;
|
||||
uint8_t force_attr_change;
|
||||
char attrbuf[sizeof("\033[0;1;5;30;40m")];
|
||||
// remote console
|
||||
struct screen_info remote;
|
||||
// saved local tty terminfo
|
||||
struct termios term_orig;
|
||||
};
|
||||
|
||||
#define G (*ptr_to_globals)
|
||||
#define INIT_G() do { \
|
||||
SET_PTR_TO_GLOBALS(xzalloc(sizeof(G))); \
|
||||
strcpy((char*)&G.last_attr, "\xff\xff\xff\xff\xff\xff" "\033["); \
|
||||
G.attrbuf[0] = '\033'; \
|
||||
G.attrbuf[1] = '['; \
|
||||
G.force_attr_change = 0xff; \
|
||||
} while (0)
|
||||
|
||||
enum {
|
||||
@ -100,7 +102,6 @@ static void screen_read_close(void)
|
||||
char *data = G.data + G.current;
|
||||
|
||||
xread(G.vcsa_fd, data, G.size);
|
||||
G.last_attr = 0;
|
||||
for (i = 0; i < G.remote.lines; i++) {
|
||||
for (j = 0; j < G.remote.cols; j++, NEXT(data)) {
|
||||
unsigned x = j - G.x; // if will catch j < G.x too
|
||||
@ -117,9 +118,12 @@ static void screen_read_close(void)
|
||||
|
||||
static void screen_char(char *data)
|
||||
{
|
||||
uint8_t attr = ATTR(data);
|
||||
if (!BW) {
|
||||
uint8_t attr = ATTR(data);
|
||||
//uint8_t attr = ATTR(data) >> 1; // for framebuffer console
|
||||
uint8_t attr_diff = (G.last_attr ^ attr) | G.force_attr_change;
|
||||
|
||||
if (!BW && G.last_attr != attr) {
|
||||
if (attr_diff) {
|
||||
// Attribute layout for VGA compatible text videobuffer:
|
||||
// blinking text
|
||||
// |red bkgd
|
||||
@ -143,51 +147,49 @@ static void screen_char(char *data)
|
||||
// green text
|
||||
// blue text
|
||||
// text 8th bit
|
||||
// converting RGB color bit triad to BGR:
|
||||
static const char color[8] = "04261537";
|
||||
char *ptr;
|
||||
uint8_t fg, bold, bg, blink;
|
||||
// converting RGB color bit triad to BGR:
|
||||
static const char color[8] = "04261537";
|
||||
const uint8_t fg_mask = 0x07, bold_mask = 0x08;
|
||||
const uint8_t bg_mask = 0x70, blink_mask = 0x80;
|
||||
char *ptr;
|
||||
|
||||
G.last_attr = attr;
|
||||
ptr = G.attrbuf + 2; /* skip "ESC [" */
|
||||
|
||||
//attr >>= 1; // for framebuffer console
|
||||
ptr = G.attrbuf + sizeof("\033[")-1;
|
||||
fg = (attr & 0x07);
|
||||
bold = (attr & 0x08);
|
||||
bg = (attr & 0x70);
|
||||
blink = (attr & 0x80);
|
||||
if (G.last_bold > bold || G.last_blink > blink) {
|
||||
G.last_bold = G.last_blink = 0;
|
||||
G.last_bg = 0xff;
|
||||
*ptr++ = '0';
|
||||
*ptr++ = ';';
|
||||
}
|
||||
if (G.last_bold != bold) {
|
||||
G.last_bold = bold;
|
||||
*ptr++ = '1';
|
||||
*ptr++ = ';';
|
||||
}
|
||||
if (G.last_blink != blink) {
|
||||
G.last_blink = blink;
|
||||
*ptr++ = '5';
|
||||
*ptr++ = ';';
|
||||
}
|
||||
if (G.last_fg != fg) {
|
||||
G.last_fg = fg;
|
||||
*ptr++ = '3';
|
||||
*ptr++ = color[fg];
|
||||
*ptr++ = ';';
|
||||
}
|
||||
if (G.last_bg != bg) {
|
||||
G.last_bg = bg;
|
||||
*ptr++ = '4';
|
||||
*ptr++ = color[bg >> 4];
|
||||
*ptr++ = ';';
|
||||
}
|
||||
if (ptr != G.attrbuf + sizeof("\033[")-1) {
|
||||
ptr[-1] = 'm';
|
||||
*ptr = '\0';
|
||||
fputs(G.attrbuf, stdout);
|
||||
// (G.last_attr & ~attr) has 1 only where
|
||||
// G.last_attr has 1 but attr has 0.
|
||||
// Here we check whether we have transition
|
||||
// bold->non-bold or blink->non-blink:
|
||||
if ((G.last_attr & ~attr) & (bold_mask | blink_mask)) {
|
||||
*ptr++ = '0'; // "reset all attrs"
|
||||
*ptr++ = ';';
|
||||
// must set fg & bg, maybe need to set bold or blink:
|
||||
attr_diff = attr | ~(bold_mask | blink_mask);
|
||||
}
|
||||
G.force_attr_change = 0;
|
||||
G.last_attr = attr;
|
||||
if (attr_diff & bold_mask) {
|
||||
*ptr++ = '1';
|
||||
*ptr++ = ';';
|
||||
}
|
||||
if (attr_diff & blink_mask) {
|
||||
*ptr++ = '5';
|
||||
*ptr++ = ';';
|
||||
}
|
||||
if (attr_diff & fg_mask) {
|
||||
*ptr++ = '3';
|
||||
*ptr++ = color[attr & fg_mask];
|
||||
*ptr++ = ';';
|
||||
}
|
||||
if (attr_diff & bg_mask) {
|
||||
*ptr++ = '4';
|
||||
*ptr++ = color[(attr & bg_mask) >> 4];
|
||||
*ptr++ = ';';
|
||||
}
|
||||
if (ptr != G.attrbuf + 2) {
|
||||
ptr[-1] = 'm';
|
||||
*ptr = '\0';
|
||||
fputs(G.attrbuf, stdout);
|
||||
}
|
||||
}
|
||||
}
|
||||
putchar(CHAR(data));
|
||||
@ -402,6 +404,7 @@ int conspy_main(int argc UNUSED_PARAM, char **argv)
|
||||
termbuf.c_cc[VMIN] = 1;
|
||||
termbuf.c_cc[VTIME] = 0;
|
||||
tcsetattr(G.kbd_fd, TCSANOW, &termbuf);
|
||||
|
||||
poll_timeout_ms = 250;
|
||||
while (1) {
|
||||
struct pollfd pfd;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user