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-rw-r--r--pw.c397
1 files changed, 201 insertions, 196 deletions
diff --git a/pw.c b/pw.c
index f25a414..fb7590f 100644
--- a/pw.c
+++ b/pw.c
@@ -61,6 +61,11 @@
#define printf_attr(fmtpos, vargpos)
#endif
+#define cmdsize 256
+#define maxgrep 64
+#define maxtrig 100
+#define snhistsize 20
+
enum status_flags {
stat_dirty = 1, // display needs refresh
stat_eof = 2, // end of data reached
@@ -74,6 +79,17 @@ enum status_flags {
stat_bkgnd = 512 // running in the background
};
+typedef struct pwstate {
+ char **circbuf;
+ int nlines;
+ unsigned hpos;
+ unsigned hist;
+ int columns;
+ unsigned stat;
+ char *curcmd, *savedcmd;
+ char cmdbuf[cmdsize];
+} pwstate;
+
typedef struct grep {
char *pat;
regex_t rx;
@@ -82,11 +98,6 @@ typedef struct grep {
void (*dtor)(char *);
} grep;
-#define cmdsize 256
-#define maxgrep 64
-#define maxtrig 100
-#define snhistsize 20
-
typedef struct dstr {
int refs;
size_t len;
@@ -325,17 +336,18 @@ static void clreol(int nl)
putchar('\n');
}
-static void drawline(const char *line, unsigned hpos, int columns, int lineno)
+static void drawline(pwstate *pw, const char *line, int lineno)
{
size_t len = dslen(line);
+ int columns = pw->columns;
if (lineno >= 0)
columns -= printf("%3d ", lineno);
- if ((size_t) hpos <= len) {
- if (hpos) {
- line += hpos;
- len -= hpos;
+ if ((size_t) pw->hpos <= len) {
+ if (pw->hpos) {
+ line += pw->hpos;
+ len -= pw->hpos;
putchar('>');
columns--;
}
@@ -353,32 +365,32 @@ static void drawline(const char *line, unsigned hpos, int columns, int lineno)
}
}
-static void drawstatus(unsigned hist, int columns, unsigned stat, char *cmd)
+static void drawstatus(pwstate *pw)
{
char status[cmdsize] = "", *ptr = status;
size_t lim = sizeof status;
- if ((stat & stat_bkgnd))
+ if ((pw->stat & stat_bkgnd))
return;
- if (columns - 1 < (int) lim)
- lim = columns - 1;
+ if (pw->columns - 1 < (int) lim)
+ lim = pw->columns - 1;
char *end = ptr + lim;
- if (cmd) {
- snprintf(status, lim, "%s", cmd);
- } else if (hist > 0 ||
- (stat & (stat_eof | stat_susp | stat_htmode | stat_ttmode |
- stat_grep)))
+ if (pw->curcmd) {
+ snprintf(status, lim, "%s", pw->curcmd);
+ } else if (pw->hist > 0 ||
+ (pw->stat & (stat_eof | stat_susp | stat_htmode | stat_ttmode |
+ stat_grep)))
{
- if (hist > 0)
- ptr += snprintf(ptr, end - ptr, "HIST%u ", hist);
+ if (pw->hist > 0)
+ ptr += snprintf(ptr, end - ptr, "HIST%u ", pw->hist);
- if ((stat & stat_eof))
+ if ((pw->stat & stat_eof))
ptr += snprintf(ptr, end - ptr, "EOF ");
- if ((stat & stat_grep)) {
+ if ((pw->stat & stat_grep)) {
ptr += snprintf(ptr, end - ptr, "GREP (");
for (int i = 0; i < ngrep; i++) {
grep *gr = &grepstack[i];
@@ -388,9 +400,9 @@ static void drawstatus(unsigned hist, int columns, unsigned stat, char *cmd)
}
}
- if ((stat & (stat_htmode | stat_ttmode))) {
+ if ((pw->stat & (stat_htmode | stat_ttmode))) {
ptr += snprintf(ptr, end - ptr, "TRIG%c (",
- (stat & stat_htmode) ? '/' : '?');
+ (pw->stat & stat_htmode) ? '/' : '?');
for (int i = 0, first = 1; i < maxtrig; i++) {
grep *gr = triglist[i];
if (gr) {
@@ -405,7 +417,7 @@ static void drawstatus(unsigned hist, int columns, unsigned stat, char *cmd)
ptr += snprintf(ptr, end - ptr, ") ");
}
- if ((stat & stat_susp))
+ if ((pw->stat & stat_susp))
ptr += snprintf(ptr, end - ptr, "SUSPENDED ");
}
@@ -421,14 +433,13 @@ static void freebuf(char **buf, size_t size)
dsdrop(buf[i]);
}
-static unsigned redraw(char **circbuf, int nlines, unsigned hpos, unsigned hist,
- int columns, unsigned stat, char *cmd)
+static void redraw(pwstate *pw)
{
int updln = 0;
- if ((stat & (stat_dirty | stat_susp)) == stat_dirty &&
- (stat & (stat_htmode | stat_trgrd)) != stat_htmode &&
- (stat & (stat_ttmode | stat_trgrd)) != stat_ttmode)
+ if ((pw->stat & (stat_dirty | stat_susp)) == stat_dirty &&
+ (pw->stat & (stat_htmode | stat_trgrd)) != stat_htmode &&
+ (pw->stat & (stat_ttmode | stat_trgrd)) != stat_ttmode)
{
if (snapshot[snhistsize - 1]) {
freebuf(snapshot[snhistsize - 1], snaplines[snhistsize - 1]);
@@ -436,42 +447,40 @@ static unsigned redraw(char **circbuf, int nlines, unsigned hpos, unsigned hist,
}
memmove(snapshot + 1, snapshot, sizeof *snapshot * (snhistsize - 1));
memmove(snaplines + 1, snaplines, sizeof *snaplines * (snhistsize - 1));
- snapshot[0] = calloc(sizeof *snapshot[0], nlines);
- snaplines[0] = nlines;
+ snapshot[0] = calloc(sizeof *snapshot[0], pw->nlines);
+ snaplines[0] = pw->nlines;
updln = 1;
- for (int i = 0; i < nlines; i++)
- snapshot[0][i] = dsref(circbuf[i]);
- stat &= ~(stat_dirty | stat_trgrd);
+ for (int i = 0; i < pw->nlines; i++)
+ snapshot[0][i] = dsref(pw->circbuf[i]);
+ pw->stat &= ~(stat_dirty | stat_trgrd);
updln = 1;
- } else if ((stat & stat_force)) {
- stat &= ~stat_force;
+ } else if ((pw->stat & stat_force)) {
+ pw->stat &= ~stat_force;
updln = 1;
}
- if ((stat & stat_bkgnd))
- return stat;
+ if ((pw->stat & stat_bkgnd))
+ return;
- if (updln && snaplines[hist] > 0) {
- printf("\r\033[%dA", snaplines[hist]);
- if ((stat & stat_lino) == 0) {
- for (int i = 0; i < snaplines[hist]; i++)
- drawline(snapshot[hist][i], hpos, columns, -1);
+ if (updln && snaplines[pw->hist] > 0) {
+ printf("\r\033[%dA", snaplines[pw->hist]);
+ if ((pw->stat & stat_lino) == 0) {
+ for (int i = 0; i < snaplines[pw->hist]; i++)
+ drawline(pw, snapshot[pw->hist][i], -1);
} else {
int start = 1, step = 1;
- if (stat & stat_htmode) {
- start = snaplines[hist];
+ if (pw->stat & stat_htmode) {
+ start = snaplines[pw->hist];
step = -1;
}
- for (int i = 0, l = start; i < snaplines[hist]; i++, l += step)
- drawline(snapshot[hist][i], hpos, columns, l);
+ for (int i = 0, l = start; i < snaplines[pw->hist]; i++, l += step)
+ drawline(pw, snapshot[pw->hist][i], l);
}
} else {
- clrline(stat);
+ clrline(pw->stat);
}
- drawstatus(hist, columns, stat, cmd);
-
- return stat;
+ drawstatus(pw);
}
static int getzp(const char *str, char **err)
@@ -528,7 +537,7 @@ static int getms(const char *str, char **err)
return msec;
}
-static void execute(char *cmd, unsigned *pstat, unsigned hist)
+static void execute(pwstate *pw, char *cmd)
{
char *arg = cmd + 2 + strspn(cmd + 2, " \t");
@@ -549,8 +558,8 @@ static void execute(char *cmd, unsigned *pstat, unsigned hist)
break;
}
- for (int i = 0; ok && i < snaplines[hist]; i++)
- if (fprintf(f, "%s\n", snapshot[hist][i]) < 0) {
+ for (int i = 0; ok && i < snaplines[pw->hist]; i++)
+ if (fprintf(f, "%s\n", snapshot[pw->hist][i]) < 0) {
sprintf(cmd, "write error!");
ok = 0;
break;
@@ -575,8 +584,8 @@ static void execute(char *cmd, unsigned *pstat, unsigned hist)
break;
}
- for (int i = 0; i < snaplines[hist] && ok; i++)
- if (fprintf(p, "%s\n", snapshot[hist][i]) < 0) {
+ for (int i = 0; i < snaplines[pw->hist] && ok; i++)
+ if (fprintf(p, "%s\n", snapshot[pw->hist][i]) < 0) {
sprintf(cmd, "write error!");
ok = 0;
break;
@@ -609,7 +618,7 @@ static void execute(char *cmd, unsigned *pstat, unsigned hist)
}
if (ngrep++ == 0)
- *pstat |= stat_grep;
+ pw->stat |= stat_grep;
}
break;
case 'r':
@@ -621,7 +630,7 @@ static void execute(char *cmd, unsigned *pstat, unsigned hist)
break;
}
if (ngrep == 0)
- *pstat &= ~stat_grep;
+ pw->stat &= ~stat_grep;
break;
case 'i': case 'l':
{
@@ -692,18 +701,16 @@ int isbkgnd(FILE *tty)
int main(int argc, char **argv)
{
+ struct pwstate pw = { .columns = 80 };
char *line = 0;
- unsigned stat = 0;
FILE *tty = fopen("/dev/tty", "r+");
- int maxlines = 15, nlines = 0, maxed = 0;
+ int maxlines = 15, maxed = 0;
size_t maxlen = 2047;
int opt;
int ifd = fileno(stdin);
int ttyfd = tty ? fileno(tty) : -1;
- char **circbuf;
struct termios tty_saved, tty_new;
struct winsize ws = { 0 };
- int columns = 80;
enum kbd_state {
kbd_cmd, kbd_esc, kbd_bkt, kbd_exit,
kbd_colon, kbd_result, kbd_trig
@@ -711,7 +718,6 @@ int main(int argc, char **argv)
int auto_quit = 1;
int quit_count = 1, quit_countdown = quit_count;
int exit_status = EXIT_FAILURE;
- char cmdbuf[cmdsize], *curcmd = 0, *savedcmd = 0;
#ifdef SIGWINCH
static struct sigaction sa;
#endif
@@ -805,7 +811,7 @@ int main(int argc, char **argv)
}
ngrep++;
- stat |= stat_grep;
+ pw.stat |= stat_grep;
}
break;
case 'm':
@@ -832,7 +838,7 @@ int main(int argc, char **argv)
return EXIT_FAILURE;
}
- if ((circbuf = calloc(sizeof *circbuf, maxlines)) == 0)
+ if ((pw.circbuf = calloc(sizeof *pw.circbuf, maxlines)) == 0)
panic("out of memory");
if ((snapshot[0] = calloc(sizeof *snapshot[0], maxlines)) == 0)
panic("out of memory");
@@ -842,7 +848,7 @@ int main(int argc, char **argv)
maxlines = ws.ws_row - 1;
maxed = 1;
}
- columns = ws.ws_col;
+ pw.columns = ws.ws_col;
}
ttyget(ttyfd, &tty_saved);
@@ -864,15 +870,14 @@ int main(int argc, char **argv)
if (!isbkgnd(stdout))
ttyset(ttyfd, &tty_new);
else
- stat = stat_bkgnd;
+ pw.stat = stat_bkgnd;
#ifdef SIGWINCH
sa.sa_handler = sigwinch;
sigaction(SIGWINCH, &sa, NULL);
#endif
- for (unsigned hpos = 0, hist = 0,
- kbd_state = kbd_cmd, kbd_prev = kbd_cmd, lasttime = ~0U,
+ for (unsigned kbd_state = kbd_cmd, kbd_prev = kbd_cmd, lasttime = ~0U,
workbout = 1024, work = workbout, histpos = 0,
cmdcount = UINT_MAX;
kbd_state != kbd_exit ;)
@@ -883,7 +888,7 @@ int main(int argc, char **argv)
{ .fd = ifd, .events = POLLIN | POLLHUP | POLLERR },
};
- if ((stat & stat_eof) == 0) {
+ if ((pw.stat & stat_eof) == 0) {
int ch;
while ((ch = getc(stdin)) != EOF && ch != '\n' && dslen(line) < maxlen)
line = addchesc(line, ch);
@@ -893,19 +898,19 @@ int main(int argc, char **argv)
if (!ferror(stdin))
exit_status = 0;
if (auto_quit) {
- if ((stat & stat_bkgnd) == 0)
- clrline(stat);
+ if ((pw.stat & stat_bkgnd) == 0)
+ clrline(pw.stat);
break;
}
- stat |= stat_eof;
- clrline(stat);
- drawstatus(hist, columns, stat, curcmd);
+ pw.stat |= stat_eof;
+ clrline(pw.stat);
+ drawstatus(&pw);
}
clearerr(stdin);
} else if (ch == '\n') {
nfds = 1;
line = addch(line, 0);
- if ((stat & stat_grep)) {
+ if ((pw.stat & stat_grep)) {
int i;
for (i = 0; i < ngrep; i++)
if (!grexec(&grepstack[i], line))
@@ -916,43 +921,43 @@ int main(int argc, char **argv)
}
}
if (line) {
- if (nlines == maxlines) {
- dsdrop(circbuf[0]);
- memmove(circbuf, circbuf + 1, (nlines - 1) * sizeof *circbuf);
- circbuf[nlines - 1] = line;
- stat |= stat_dirty;
- if ((stat & stat_ttmode)) {
- int lim = min(maxtrig, nlines);
+ if (pw.nlines == maxlines) {
+ dsdrop(pw.circbuf[0]);
+ memmove(pw.circbuf, pw.circbuf + 1, (pw.nlines - 1) * sizeof *pw.circbuf);
+ pw.circbuf[pw.nlines - 1] = line;
+ pw.stat |= stat_dirty;
+ if ((pw.stat & stat_ttmode)) {
+ int lim = min(maxtrig, pw.nlines);
int trig = 1;
for (int i = 0; i < lim; i++) {
grep *gr = triglist[i];
- if (gr && !grexec(gr, circbuf[i])) {
+ if (gr && !grexec(gr, pw.circbuf[i])) {
trig = 0;
break;
}
}
if (trig)
- stat |= stat_trgrd;
- } else if ((stat & stat_htmode)) {
+ pw.stat |= stat_trgrd;
+ } else if ((pw.stat & stat_htmode)) {
int trig = 1;
- for (int j = nlines - 1, i = 0; j >= 0 && i < maxtrig; j--, i++) {
+ for (int j = pw.nlines - 1, i = 0; j >= 0 && i < maxtrig; j--, i++) {
grep *gr = triglist[i];
- if (gr && !grexec(gr, circbuf[j])) {
+ if (gr && !grexec(gr, pw.circbuf[j])) {
trig = 0;
break;
}
}
if (trig)
- stat |= stat_trgrd;
+ pw.stat |= stat_trgrd;
}
} else {
- circbuf[nlines++] = line;
- if ((stat & (stat_susp | stat_bkgnd)) == 0) {
+ pw.circbuf[pw.nlines++] = line;
+ if ((pw.stat & (stat_susp | stat_bkgnd)) == 0) {
snapshot[0] = resizebuf(snapshot[0], snaplines[0], snaplines[0] + 1);
snapshot[0][snaplines[0]++] = dsref(line);
- clrline(stat);
- drawline(line, hpos, columns, (stat & stat_lino) ? 0: -1);
- drawstatus(hist, columns, stat, curcmd);
+ clrline(pw.stat);
+ drawline(&pw, line, (pw.stat & stat_lino) ? 0: -1);
+ drawstatus(&pw);
}
}
line = 0;
@@ -966,8 +971,8 @@ int main(int argc, char **argv)
winch = 0;
if (ioctl(ttyfd, TIOCGWINSZ, &ws) == 0) {
if (maxed) {
- hist = 0;
- circbuf = resizebuf(circbuf, maxlines, ws.ws_row - 1);
+ pw.hist = 0;
+ pw.circbuf = resizebuf(pw.circbuf, maxlines, ws.ws_row - 1);
snapshot[0] = resizebuf(snapshot[0], maxlines, ws.ws_row - 1);
for (int i = 1; i < snhistsize; i++) {
freebuf(snapshot[i], snaplines[i]);
@@ -981,23 +986,23 @@ int main(int argc, char **argv)
}
}
- if (nlines > maxlines)
- nlines = maxlines;
+ if (pw.nlines > maxlines)
+ pw.nlines = maxlines;
if (snaplines[0] > maxlines)
snaplines[0] = maxlines;
- columns = ws.ws_col;
+ pw.columns = ws.ws_col;
}
- stat |= stat_force;
+ pw.stat |= stat_force;
force = 1;
}
- if ((stat & stat_eof))
+ if ((pw.stat & stat_eof))
pollms = -1;
else if (nfds < 2)
pollms = 0;
- if ((stat & (stat_trgrd | stat_susp)) == stat_trgrd)
+ if ((pw.stat & (stat_trgrd | stat_susp)) == stat_trgrd)
force = 1;
if (pollms == 0 && !force && work-- > 0)
@@ -1005,16 +1010,16 @@ int main(int argc, char **argv)
work = workbout;
- if ((stat & stat_bkgnd)) {
+ if ((pw.stat & stat_bkgnd)) {
if (!isbkgnd(stdout)) {
- stat &= ~stat_bkgnd;
+ pw.stat &= ~stat_bkgnd;
ttyset(ttyfd, &tty_new);
- for (int i = 0; i < nlines; i++)
+ for (int i = 0; i < pw.nlines; i++)
puts("");
- stat = redraw(circbuf, nlines, hpos, hist, columns,
- stat | stat_force, curcmd);
+ pw.stat |= force;
+ redraw(&pw);
} else {
- if ((stat & stat_eof)) {
+ if ((pw.stat & stat_eof)) {
sleep(1);
continue;
} else {
@@ -1023,7 +1028,7 @@ int main(int argc, char **argv)
}
}
- if ((stat & (stat_bkgnd | stat_susp)) == 0) {
+ if ((pw.stat & (stat_bkgnd | stat_susp)) == 0) {
if (!force) {
struct timeval tv;
unsigned now;
@@ -1031,25 +1036,25 @@ int main(int argc, char **argv)
gettimeofday(&tv, NULL);
now = (((unsigned) tv.tv_sec)%1000000)*1000 + tv.tv_usec/1000;
if (lasttime == ~0U || now - lasttime > (unsigned) long_interval) {
- if ((stat & stat_dirty) && nlines == maxlines)
+ if ((pw.stat & stat_dirty) && pw.nlines == maxlines)
force = 1;
lasttime = now;
}
}
if (force)
- stat = redraw(circbuf, nlines, hpos, hist, columns, stat, curcmd);
+ redraw(&pw);
}
if (poll(pe, nfds, pollms) <= 0) {
if (pollms) {
- if ((stat & stat_dirty) && nlines == maxlines)
- stat = redraw(circbuf, nlines, hpos, hist, columns, stat, curcmd);
+ if ((pw.stat & stat_dirty) && pw.nlines == maxlines)
+ redraw(&pw);
if (kbd_state == kbd_esc || kbd_state == kbd_result) {
kbd_state = kbd_cmd;
- curcmd = 0;
- clrline(stat);
- drawstatus(hist, columns, stat, curcmd);
+ pw.curcmd = 0;
+ clrline(pw.stat);
+ drawstatus(&pw);
}
}
work = workbout += workbout / 4;
@@ -1062,7 +1067,7 @@ int main(int argc, char **argv)
if (ch == ctrl('z')) {
ttyset(ttyfd, &tty_saved);
- stat |= stat_bkgnd;
+ pw.stat |= stat_bkgnd;
kill(0, SIGTSTP);
continue;
}
@@ -1071,8 +1076,8 @@ int main(int argc, char **argv)
switch (kbd_state) {
case kbd_result:
kbd_state = kbd_cmd;
- stat |= stat_force;
- curcmd = 0;
+ pw.stat |= stat_force;
+ pw.curcmd = 0;
// fallthrough
case kbd_cmd:
if (ch != 'q' && ch != 3)
@@ -1082,41 +1087,41 @@ int main(int argc, char **argv)
if (--quit_countdown == 0) {
kbd_state = kbd_exit;
} else {
- sprintf(cmdbuf, "%d more to quit", quit_countdown);
- curcmd = cmdbuf;
+ sprintf(pw.cmdbuf, "%d more to quit", quit_countdown);
+ pw.curcmd = pw.cmdbuf;
kbd_state = kbd_result;
}
break;
case 'h':
- if (hpos >= 8) {
- hpos -= 8;
- stat |= stat_force;
+ if (pw.hpos >= 8) {
+ pw.hpos -= 8;
+ pw.stat |= stat_force;
}
break;
case 'l':
- if (hpos < 10000) {
- hpos += 8;
- stat |= stat_force;
+ if (pw.hpos < 10000) {
+ pw.hpos += 8;
+ pw.stat |= stat_force;
}
break;
case 'j':
- if (hist > 0) {
- hist--;
- stat |= stat_force;
+ if (pw.hist > 0) {
+ pw.hist--;
+ pw.stat |= stat_force;
}
break;
case 'k':
- if (hist < snhistsize - 1 && snapshot[hist + 1]) {
- hist++;
- stat |= stat_force;
+ if (pw.hist < snhistsize - 1 && snapshot[pw.hist + 1]) {
+ pw.hist++;
+ pw.stat |= stat_force;
}
break;
case ' ':
- if ((stat & stat_eof) == 0)
- stat |= stat_susp;
+ if ((pw.stat & stat_eof) == 0)
+ pw.stat |= stat_susp;
break;
case CR:
- stat &= ~stat_susp;
+ pw.stat &= ~stat_susp;
break;
case ESC:
kbd_prev = kbd_state;
@@ -1125,21 +1130,21 @@ int main(int argc, char **argv)
case ':':
kbd_state = kbd_colon;
histpos = 0;
- cmdbuf[0] = ch;
- cmdbuf[1] = 0;
- curcmd = cmdbuf;
+ pw.cmdbuf[0] = ch;
+ pw.cmdbuf[1] = 0;
+ pw.curcmd = pw.cmdbuf;
break;
case '/': case '?':
kbd_state = kbd_trig;
histpos = 0;
- cmdbuf[0] = ch;
- cmdbuf[1] = 0;
- curcmd = cmdbuf;
+ pw.cmdbuf[0] = ch;
+ pw.cmdbuf[1] = 0;
+ pw.curcmd = pw.cmdbuf;
break;
case 'a': case 'd':
- if ((stat & (stat_htmode | stat_ttmode))) {
- int step = ((((stat & stat_htmode) && ch == 'a') ||
- ((stat & stat_ttmode) && ch == 'd'))
+ if ((pw.stat & (stat_htmode | stat_ttmode))) {
+ int step = ((((pw.stat & stat_htmode) && ch == 'a') ||
+ ((pw.stat & stat_ttmode) && ch == 'd'))
? -1 : 1);
if (cmdcount == UINT_MAX)
@@ -1151,9 +1156,9 @@ int main(int argc, char **argv)
(maxtrig - 1) * sizeof *triglist);
triglist[maxtrig - 1] = 0;
}
- } else if (nlines <= maxtrig) {
+ } else if (pw.nlines <= maxtrig) {
for (; (cmdcount &&
- !triglist[nlines - 1] &&
+ !triglist[pw.nlines - 1] &&
!triglist[maxtrig - 1]);
cmdcount --)
{
@@ -1165,7 +1170,7 @@ int main(int argc, char **argv)
}
break;
case '+':
- if (hist > 0 || (ws.ws_row && maxlines >= ws.ws_row - 1)) {
+ if (pw.hist > 0 || (ws.ws_row && maxlines >= ws.ws_row - 1)) {
break;
} else {
unsigned count = (cmdcount == UINT_MAX) ? 1 : cmdcount;
@@ -1177,7 +1182,7 @@ int main(int argc, char **argv)
maxlines = ws.ws_row - 1;
}
- circbuf = resizebuf(circbuf, maxlines, maxlines + 1);
+ pw.circbuf = resizebuf(pw.circbuf, maxlines, maxlines + 1);
snapshot[0] = resizebuf(snapshot[0], maxlines, maxlines + 1);
for (int i = 1; i < snhistsize; i++) {
freebuf(snapshot[i], snaplines[i]);
@@ -1187,15 +1192,15 @@ int main(int argc, char **argv)
}
break;
case '#':
- stat ^= stat_lino;
+ pw.stat ^= stat_lino;
// fallthrough
case ctrl('l'):
- stat |= stat_force;
+ pw.stat |= stat_force;
break;
case '0':
if (cmdcount == UINT_MAX) {
- hpos = 0;
- stat |= stat_force;
+ pw.hpos = 0;
+ pw.stat |= stat_force;
break;
}
// fallthrough
@@ -1215,7 +1220,7 @@ int main(int argc, char **argv)
break;
}
kbd_state = kbd_cmd;
- curcmd = 0;
+ pw.curcmd = 0;
break;
case kbd_bkt:
kbd_state = kbd_prev;
@@ -1256,30 +1261,30 @@ int main(int argc, char **argv)
if (ch == CR) {
unsigned trig = (cmdcount == UINT_MAX || cmdcount == 0
? 0 : cmdcount - 1);
- if (cmdbuf[1]) {
+ if (pw.cmdbuf[1]) {
unsigned *pnhist = (kbd_state == kbd_colon
? &ncmdhist : &npathist);
unsigned nhist = *pnhist;
char ***hist = (kbd_state == kbd_colon ?
&cmdhist : &pathist);
- if (nhist == 0 || strcmp(cmdbuf, (*hist)[0]) != 0) {
+ if (nhist == 0 || strcmp(pw.cmdbuf, (*hist)[0]) != 0) {
if ((*hist = realloc(*hist, sizeof **hist * (nhist + 1))) == 0)
panic("out of memory");
memmove(*hist + 1, *hist, sizeof **hist * nhist);
*pnhist = nhist + 1;
- (*hist)[0] = dsdup(cmdbuf);
+ (*hist)[0] = dsdup(pw.cmdbuf);
}
}
- if (kbd_state == kbd_colon && cmdbuf[1]) {
- execute(cmdbuf, &stat, hist);
- if (cmdbuf[0] != 0) {
+ if (kbd_state == kbd_colon && pw.cmdbuf[1]) {
+ execute(&pw, pw.cmdbuf);
+ if (pw.cmdbuf[0] != 0) {
kbd_state = kbd_result;
break;
}
} else if (kbd_state == kbd_trig && (int) trig < maxlines && trig < maxtrig) {
- char *rx = cmdbuf + 1;
+ char *rx = pw.cmdbuf + 1;
int inv = 0;
grep *gr = 0;
@@ -1293,12 +1298,12 @@ int main(int argc, char **argv)
char *pat = dsdup(rx);
if (*pat && (gr = grnew(dsref(pat), inv, dsdrop), grerr(gr) != 0)) {
- grerrstr(gr, cmdbuf, min(columns, (int) sizeof cmdbuf));
+ grerrstr(gr, pw.cmdbuf, min(pw.columns, (int) sizeof pw.cmdbuf));
grfree(gr);
kbd_state = kbd_result;
} else {
- if ((cmdbuf[0] == '/' && (stat & stat_ttmode)) ||
- (cmdbuf[0] == '?' && (stat & stat_htmode)))
+ if ((pw.cmdbuf[0] == '/' && (pw.stat & stat_ttmode)) ||
+ (pw.cmdbuf[0] == '?' && (pw.stat & stat_htmode)))
{
for (int i = 0; i < maxtrig; i++) {
grfree(triglist[i]);
@@ -1313,10 +1318,10 @@ int main(int argc, char **argv)
}
if (kbd_state == kbd_trig) {
- stat &= ~(stat_htmode | stat_ttmode);
+ pw.stat &= ~(stat_htmode | stat_ttmode);
for (int i = 0; i < maxtrig; i++) {
if (triglist[i]) {
- stat |= (cmdbuf[0] == '/' ? stat_htmode : stat_ttmode);
+ pw.stat |= (pw.cmdbuf[0] == '/' ? stat_htmode : stat_ttmode);
break;
}
}
@@ -1324,32 +1329,32 @@ int main(int argc, char **argv)
}
kbd_state = kbd_cmd;
- curcmd = 0;
+ pw.curcmd = 0;
cmdcount = UINT_MAX;
break;
case BS: case DEL:
{
- size_t len = strlen(cmdbuf);
+ size_t len = strlen(pw.cmdbuf);
if (len == 1) {
kbd_state = kbd_cmd;
- curcmd = 0;
+ pw.curcmd = 0;
// cmdcount deliberately not reset to UNIT_MAX
} else {
- cmdbuf[--len] = 0;
+ pw.cmdbuf[--len] = 0;
}
}
break;
case ctrl('u'):
- cmdbuf[1] = 0;
+ pw.cmdbuf[1] = 0;
break;
case ctrl('w'):
{
- size_t len = strlen(cmdbuf);
- while (len > 1 && isspace((unsigned char) cmdbuf[len - 1]))
+ size_t len = strlen(pw.cmdbuf);
+ while (len > 1 && isspace((unsigned char) pw.cmdbuf[len - 1]))
len--;
- while (len > 1 && !isspace((unsigned char) cmdbuf[len - 1]))
+ while (len > 1 && !isspace((unsigned char) pw.cmdbuf[len - 1]))
len--;
- cmdbuf[len] = 0;
+ pw.cmdbuf[len] = 0;
}
break;
case ctrl('p'):
@@ -1360,29 +1365,29 @@ int main(int argc, char **argv)
if (ch == ctrl('p')) {
if (histpos == 0) {
- dsdrop(savedcmd);
- savedcmd = dsdup(cmdbuf);
+ dsdrop(pw.savedcmd);
+ pw.savedcmd = dsdup(pw.cmdbuf);
} else {
dsdrop((*hist)[histpos-1]);
- (*hist)[histpos-1] = dsdup(cmdbuf);
+ (*hist)[histpos-1] = dsdup(pw.cmdbuf);
}
if (histpos < nhist) {
char *cmd = (*hist)[histpos++];
- strcpy(cmdbuf, cmd);
+ strcpy(pw.cmdbuf, cmd);
}
} else {
if (histpos >= 1) {
dsdrop((*hist)[histpos-1]);
- (*hist)[histpos-1] = dsdup(cmdbuf);
+ (*hist)[histpos-1] = dsdup(pw.cmdbuf);
}
if (histpos > 1) {
char *cmd = (*hist)[--histpos - 1];
- strcpy(cmdbuf, cmd);
+ strcpy(pw.cmdbuf, cmd);
} else if (histpos == 1) {
--histpos;
- strcpy(cmdbuf, savedcmd);
- dsdrop(savedcmd);
- savedcmd = 0;
+ strcpy(pw.cmdbuf, pw.savedcmd);
+ dsdrop(pw.savedcmd);
+ pw.savedcmd = 0;
}
}
}
@@ -1390,10 +1395,10 @@ int main(int argc, char **argv)
default:
if (isprint(ch))
{
- size_t len = strlen(cmdbuf);
- if (len < sizeof cmdbuf - 1 && (int) len < columns - 1) {
- cmdbuf[len++] = ch;
- cmdbuf[len] = 0;
+ size_t len = strlen(pw.cmdbuf);
+ if (len < sizeof pw.cmdbuf - 1 && (int) len < pw.columns - 1) {
+ pw.cmdbuf[len++] = ch;
+ pw.cmdbuf[len] = 0;
}
}
break;
@@ -1403,12 +1408,12 @@ int main(int argc, char **argv)
break;
}
- if ((stat & (stat_dirty | stat_force))) {
- stat = redraw(circbuf, nlines, hpos, hist, columns, stat, curcmd);
+ if ((pw.stat & (stat_dirty | stat_force))) {
+ redraw(&pw);
} else switch (kbd_state) {
case kbd_colon: case kbd_trig: case kbd_result: case kbd_cmd:
- clrline(stat);
- drawstatus(hist, columns, stat, curcmd);
+ clrline(pw.stat);
+ drawstatus(&pw);
}
} else {
work = workbout += workbout / 4;
@@ -1416,8 +1421,8 @@ int main(int argc, char **argv)
}
}
- if ((stat & stat_bkgnd) == 0) {
- clrline(stat);
+ if ((pw.stat & stat_bkgnd) == 0) {
+ clrline(pw.stat);
ttyset(ttyfd, &tty_saved);
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-08 17:53:42 +0000