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tmux
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Sync with fdm.

pull/1/head
Nicholas Marriott 2007-07-25 23:13:18 +00:00
parent a3bfe208b3
commit 4b62b1d16c
12 changed files with 511 additions and 242 deletions
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28
Makefile
View File

@ -1,6 +1,6 @@
# $Id: Makefile,v 1.1.1.1 2007-07-09 19:03:33 nicm Exp $
# $Id: Makefile,v 1.2 2007-07-25 23:13:18 nicm Exp $
.SUFFIXES: .c .o .y .l .h
.SUFFIXES: .c .o .y .h
.PHONY: clean
PROG= tmux
@ -10,19 +10,22 @@ OS!= uname
REL!= uname -r
DATE!= date +%Y%m%d-%H%M
SRCS= tmux.c server.c buffer.c buffer-poll.c xmalloc.c input.c screen.c \
window.c session.c local.c log.c command.c
HDRS= tmux.h
# This must be empty as OpenBSD includes it in default CFLAGS.
DEBUG=
SRCS= tmux.c server.c buffer.c buffer-poll.c xmalloc.c xmalloc-debug.c \
input.c screen.c window.c session.c local.c log.c command.c
LEX= lex
YACC= yacc -d
CC= cc
INCDIRS+= -I. -I- -I/usr/local/include
CFLAGS+= -DBUILD="\"$(VERSION) ($(DATE))\""
.ifdef DEBUG
CFLAGS+= -g -ggdb -DDEBUG
LDFLAGS+= -Wl,-E
.endif
#CFLAGS+= -pedantic -std=c99
#CFLAGS+= -Wredundant-decls -Wdisabled-optimization -Wendif-labels
CFLAGS+= -Wno-long-long -Wall -W -Wnested-externs -Wformat=2
CFLAGS+= -Wmissing-prototypes -Wstrict-prototypes -Wmissing-declarations
CFLAGS+= -Wwrite-strings -Wshadow -Wpointer-arith -Wcast-qual -Wsign-compare
@ -35,29 +38,22 @@ INSTALLMAN= install -g bin -o root -m 444
LDFLAGS+= -L/usr/local/lib
LIBS+= -lutil -lncurses
OBJS= ${SRCS:S/.c/.o/:S/.y/.o/:S/.l/.o/}
OBJS= ${SRCS:S/.c/.o/:S/.y/.o/}
CLEANFILES= ${PROG} *.o .depend *~ ${PROG}.core *.log
.c.o:
${CC} ${CFLAGS} ${INCDIRS} -c ${.IMPSRC} -o ${.TARGET}
.l.o:
${LEX} ${.IMPSRC}
${CC} ${CFLAGS} ${INCDIRS} -c lex.yy.c -o ${.TARGET}
.y.o:
${YACC} ${.IMPSRC}
${CC} ${CFLAGS} ${INCDIRS} -c y.tab.c -o ${.TARGET}
all: .depend ${PROG}
all: ${PROG}
${PROG}: ${OBJS}
${CC} ${LDFLAGS} -o ${PROG} ${LIBS} ${OBJS}
.depend: ${HDRS}
-mkdep ${CFLAGS} ${INCDIRS} ${SRCS:M*.c}
depend:
mkdep ${CFLAGS} ${INCDIRS} ${SRCS:M*.c}

38
buffer.c
View File

@ -1,4 +1,4 @@
/* $Id: buffer.c,v 1.1.1.1 2007-07-09 19:03:33 nicm Exp $ */
/* $Id: buffer.c,v 1.2 2007-07-25 23:13:18 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -29,7 +29,7 @@ buffer_create(size_t size)
struct buffer *b;
if (size == 0)
log_fatalx("buffer_create: zero size");
fatalx("zero size");
b = xcalloc(1, sizeof *b);
@ -60,7 +60,7 @@ void
buffer_ensure(struct buffer *b, size_t size)
{
if (size == 0)
log_fatalx("buffer_ensure: zero size");
fatalx("zero size");
if (BUFFER_FREE(b) >= size)
return;
@ -79,9 +79,9 @@ void
buffer_add(struct buffer *b, size_t size)
{
if (size == 0)
log_fatalx("buffer_add: zero size");
fatalx("zero size");
if (size > b->space - b->size)
log_fatalx("buffer_add: overflow");
fatalx("overflow");
b->size += size;
}
@ -91,9 +91,9 @@ void
buffer_reverse_add(struct buffer *b, size_t size)
{
if (size == 0)
log_fatalx("buffer_reverse_add: zero size");
fatalx("zero size");
if (size > b->size)
log_fatalx("buffer_reverse_add: underflow");
fatalx("underflow");
b->size -= size;
}
@ -103,9 +103,9 @@ void
buffer_remove(struct buffer *b, size_t size)
{
if (size == 0)
log_fatalx("buffer_remove: zero size");
fatalx("zero size");
if (size > b->size)
log_fatalx("buffer_remove: underflow");
fatalx("underflow");
b->size -= size;
b->off += size;
@ -116,9 +116,9 @@ void
buffer_reverse_remove(struct buffer *b, size_t size)
{
if (size == 0)
log_fatalx("buffer_reverse_remove: zero size");
fatalx("zero size");
if (size > b->off)
log_fatalx("buffer_reverse_remove: overflow");
fatalx("overflow");
b->size += size;
b->off -= size;
@ -129,9 +129,9 @@ void
buffer_insert_range(struct buffer *b, size_t base, size_t size)
{
if (size == 0)
log_fatalx("buffer_insert_range: zero size");
fatalx("zero size");
if (base > b->size)
log_fatalx("buffer_insert_range: range overflows buffer");
fatalx("range outside buffer");
buffer_ensure(b, size);
memmove(b->base + b->off + base + size,
@ -144,11 +144,11 @@ void
buffer_delete_range(struct buffer *b, size_t base, size_t size)
{
if (size == 0)
log_fatalx("buffer_delete_range: zero size");
fatalx("zero size");
if (size > b->size)
log_fatalx("buffer_delete_range: size too big");
fatalx("size too big");
if (base + size > b->size)
log_fatalx("buffer_delete_range: range overflows buffer");
fatalx("range outside buffer");
memmove(b->base + b->off + base,
b->base + b->off + base + size, b->size - base - size);
@ -160,7 +160,7 @@ void
buffer_write(struct buffer *b, const void *data, size_t size)
{
if (size == 0)
log_fatalx("buffer_write: zero size");
fatalx("zero size");
buffer_ensure(b, size);
memcpy(BUFFER_IN(b), data, size);
@ -172,9 +172,9 @@ void
buffer_read(struct buffer *b, void *data, size_t size)
{
if (size == 0)
log_fatalx("buffer_read: zero size");
fatalx("zero size");
if (size > b->size)
log_fatalx("buffer_read: underflow");
fatalx("underflow");
memcpy(data, BUFFER_OUT(b), size);
buffer_remove(b, size);

50
local.c
View File

@ -1,4 +1,4 @@
/* $Id: local.c,v 1.3 2007-07-09 19:39:47 nicm Exp $ */
/* $Id: local.c,v 1.4 2007-07-25 23:13:18 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -214,13 +214,13 @@ local_init(struct buffer **in, struct buffer **out)
struct local_key *lk;
if ((tty = ttyname(STDOUT_FILENO)) == NULL)
log_fatal("ttyname");
fatal("ttyname failed");
if ((local_fd = open(tty, O_RDWR)) == -1)
log_fatal("open(\"%s\")", tty);
fatal("open failed");
if ((mode = fcntl(local_fd, F_GETFL)) == -1)
log_fatal("fcntl");
fatal("fcntl failed");
if (fcntl(local_fd, F_SETFL, mode|O_NONBLOCK) == -1)
log_fatal("fcntl");
fatal("fcntl failed");
*in = local_in = buffer_create(BUFSIZ);
*out = local_out = buffer_create(BUFSIZ);
@ -228,13 +228,13 @@ local_init(struct buffer **in, struct buffer **out)
setupterm(NULL, STDOUT_FILENO, NULL);
if (tcgetattr(local_fd, &local_tio) != 0)
log_fatal("tcgetattr");
fatal("tcgetattr failed");
memcpy(&tio, &local_tio, sizeof tio);
tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR);
tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHOKE|ECHOCTL|ISIG);
if (tcsetattr(local_fd, TCSANOW, &tio) != 0)
log_fatal("tcsetattr");
fatal("tcsetattr failed");
if (enter_ca_mode != NULL)
local_putp(enter_ca_mode);
@ -281,7 +281,7 @@ local_done(void)
xfree(local_out);
if (tcsetattr(local_fd, TCSANOW, &local_tio) != 0)
log_fatal("tcsetattr");
fatal("tcsetattr failed");
close(local_fd);
if (keypad_local != NULL)
@ -303,7 +303,7 @@ local_putc(int c)
u_char ch = c;
if (c < 0 || c > (int) UCHAR_MAX)
log_fatalx("local_putc: invalid character");
fatalx("invalid character");
if (debug_level > 1) {
f = fopen("tmux-out.log", "a+");
@ -320,7 +320,7 @@ void
local_putp(const char *s)
{
if (s == NULL)
log_fatalx("local_putp: null pointer");
fatalx("null pointer");
tputs(s, 1, local_putc);
}
@ -402,7 +402,7 @@ local_output(struct buffer *b, size_t size)
}
if (size < 1)
log_fatalx("local_output: underflow");
fatalx("underflow");
size--;
ch = input_extract8(b);
@ -410,7 +410,7 @@ local_output(struct buffer *b, size_t size)
switch (ch) {
case CODE_CURSORUP:
if (size < 2)
log_fatalx("local_output: underflow");
fatalx("underflow");
size -= 2;
ua = input_extract16(b);
if (parm_up_cursor == NULL) {
@ -421,7 +421,7 @@ local_output(struct buffer *b, size_t size)
break;
case CODE_CURSORDOWN:
if (size < 2)
log_fatalx("local_output: underflow");
fatalx("underflow");
size -= 2;
ua = input_extract16(b);
if (parm_down_cursor == NULL) {
@ -432,7 +432,7 @@ local_output(struct buffer *b, size_t size)
break;
case CODE_CURSORRIGHT:
if (size < 2)
log_fatalx("local_output: underflow");
fatalx("underflow");
size -= 2;
ua = input_extract16(b);
if (parm_right_cursor == NULL) {
@ -443,7 +443,7 @@ local_output(struct buffer *b, size_t size)
break;
case CODE_CURSORLEFT:
if (size < 2)
log_fatalx("local_output: underflow");
fatalx("underflow");
size -= 2;
ua = input_extract16(b);
if (parm_left_cursor == NULL) {
@ -454,7 +454,7 @@ local_output(struct buffer *b, size_t size)
break;
case CODE_CURSORMOVE:
if (size < 4)
log_fatalx("local_output: underflow");
fatalx("underflow");
size -= 4;
ua = input_extract16(b);
ub = input_extract16(b);
@ -501,7 +501,7 @@ local_output(struct buffer *b, size_t size)
break;
case CODE_INSERTLINE:
if (size < 2)
log_fatalx("local_output: underflow");
fatalx("underflow");
size -= 2;
ua = input_extract16(b);
if (parm_insert_line == NULL) {
@ -512,7 +512,7 @@ local_output(struct buffer *b, size_t size)
break;
case CODE_DELETELINE:
if (size < 2)
log_fatalx("local_output: underflow");
fatalx("underflow");
size -= 2;
ua = input_extract16(b);
if (parm_delete_line == NULL) {
@ -523,7 +523,7 @@ local_output(struct buffer *b, size_t size)
break;
case CODE_INSERTCHARACTER:
if (size < 2)
log_fatalx("local_output: underflow");
fatalx("underflow");
size -= 2;
ua = input_extract16(b);
if (parm_ich == NULL) {
@ -534,7 +534,7 @@ local_output(struct buffer *b, size_t size)
break;
case CODE_DELETECHARACTER:
if (size < 2)
log_fatalx("local_output: underflow");
fatalx("underflow");
size -= 2;
ua = input_extract16(b);
if (parm_dch == NULL) {
@ -573,7 +573,7 @@ local_output(struct buffer *b, size_t size)
break;
case CODE_SCROLLREGION:
if (size < 4)
log_fatalx("local_output: underflow");
fatalx("underflow");
size -= 4;
ua = input_extract16(b);
ub = input_extract16(b);
@ -631,18 +631,18 @@ local_output(struct buffer *b, size_t size)
break;
case CODE_TITLE:
if (size < 2)
log_fatalx("local_output: underflow");
fatalx("underflow");
size -= 2;
ua = input_extract16(b);
if (size < ua)
log_fatalx("local_output: underflow");
fatalx("underflow");
size -= ua;
buffer_remove(b, ua);
break;
case CODE_ATTRIBUTES:
if (size < 2)
log_fatalx("local_output: underflow");
fatalx("underflow");
size -= 2;
ua = input_extract16(b);
@ -657,7 +657,7 @@ local_output(struct buffer *b, size_t size)
while (ua-- != 0) {
if (size < 2)
log_fatalx("local_output: underflow");
fatalx("underflow");
size -= 2;
ub = input_extract16(b);

50
log.c
View File

@ -1,4 +1,4 @@
/* $Id: log.c,v 1.1.1.1 2007-07-09 19:03:33 nicm Exp $ */
/* $Id: log.c,v 1.2 2007-07-25 23:13:18 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -35,11 +35,14 @@ FILE *log_stream;
/* Debug level. */
int log_level;
/* Open log. */
/* Open logging. */
void
log_open(FILE *f, int facility, int level)
{
log_stream = f;
if (f != NULL)
setlinebuf(f);
log_level = level;
if (f == NULL)
@ -61,32 +64,37 @@ log_close(void)
/* Write a log message. */
void
log_write(FILE *f, int priority, const char *fmt, ...)
log_write(FILE *f, int priority, const char *msg, ...)
{
va_list ap;
va_start(ap, fmt);
log_vwrite(f, priority, fmt, ap);
va_start(ap, msg);
log_vwrite(f, priority, msg, ap);
va_end(ap);
}
/* Write a log message. */
void
log_vwrite(FILE *f, int priority, const char *fmt, va_list ap)
log_vwrite(FILE *f, int priority, const char *msg, va_list ap)
{
char *fmt;
if (!log_enabled)
return;
if (f == NULL)
f = log_stream;
if (f == NULL) {
vsyslog(priority, fmt, ap);
vsyslog(priority, msg, ap);
return;
}
if (asprintf(&fmt, "%s\n", msg) == -1)
exit(1);
if (vfprintf(f, fmt, ap) == -1)
exit(1);
if (fputc('\n', f) == EOF)
exit(1);
fflush(log_stream);
fflush(f);
free(fmt);
}
/* Log a warning with error string. */
@ -102,8 +110,8 @@ log_warn(const char *msg, ...)
va_start(ap, msg);
if (asprintf(&fmt, "%s: %s", msg, strerror(errno)) == -1)
exit(1);
log_vwrite(log_stream, LOG_CRIT, fmt, ap);
xfree(fmt);
log_vwrite(NULL, LOG_CRIT, fmt, ap);
free(fmt);
va_end(ap);
}
@ -114,7 +122,7 @@ log_warnx(const char *msg, ...)
va_list ap;
va_start(ap, msg);
log_vwrite(log_stream, LOG_CRIT, msg, ap);
log_vwrite(NULL, LOG_CRIT, msg, ap);
va_end(ap);
}
@ -126,10 +134,10 @@ log_info(const char *msg, ...)
if (log_level > -1) {
va_start(ap, msg);
if (log_stream == stderr)
if (log_stream == stderr) /* XXX */
log_vwrite(stdout, LOG_INFO, msg, ap);
else
log_vwrite(log_stream, LOG_INFO, msg, ap);
log_vwrite(NULL, LOG_INFO, msg, ap);
va_end(ap);
}
}
@ -142,7 +150,7 @@ log_debug(const char *msg, ...)
if (log_level > 0) {
va_start(ap, msg);
log_vwrite(log_stream, LOG_DEBUG, msg, ap);
log_vwrite(NULL, LOG_DEBUG, msg, ap);
va_end(ap);
}
}
@ -155,7 +163,7 @@ log_debug2(const char *msg, ...)
if (log_level > 1) {
va_start(ap, msg);
log_vwrite(log_stream, LOG_DEBUG, msg, ap);
log_vwrite(NULL, LOG_DEBUG, msg, ap);
va_end(ap);
}
}
@ -168,7 +176,7 @@ log_debug3(const char *msg, ...)
if (log_level > 2) {
va_start(ap, msg);
log_vwrite(log_stream, LOG_DEBUG, msg, ap);
log_vwrite(NULL, LOG_DEBUG, msg, ap);
va_end(ap);
}
}
@ -185,13 +193,13 @@ log_vfatal(const char *msg, va_list ap)
if (errno != 0) {
if (asprintf(&fmt, "fatal: %s: %s", msg, strerror(errno)) == -1)
exit(1);
log_vwrite(log_stream, LOG_CRIT, fmt, ap);
log_vwrite(NULL, LOG_CRIT, fmt, ap);
} else {
if (asprintf(&fmt, "fatal: %s", msg) == -1)
exit(1);
log_vwrite(log_stream, LOG_CRIT, fmt, ap);
log_vwrite(NULL, LOG_CRIT, fmt, ap);
}
xfree(fmt);
free(fmt);
exit(1);
}

114
screen.c
View File

@ -1,4 +1,4 @@
/* $Id: screen.c,v 1.2 2007-07-10 10:21:58 nicm Exp $ */
/* $Id: screen.c,v 1.3 2007-07-25 23:13:18 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -59,6 +59,12 @@ void screen_delete_characters(struct screen *, u_int, u_int, u_int);
#define screen_last_y(s) ((s)->sy - 1)
#define screen_last_x(s) ((s)->sx - 1)
#define screen_range_y(lx, rx) (((rx) - (lx)) + 1)
#define screen_range_x(ux, lx) (((lx) - (ux)) + 1)
#define screen_offset_y(py, ny) ((py) + (ny) - 1)
#define screen_offset_x(px, nx) ((px) + (nx) - 1)
/* Create a new screen. */
void
screen_create(struct screen *s, u_int sx, u_int sy)
@ -180,7 +186,7 @@ screen_draw(struct screen *s, struct buffer *b, u_int uy, u_int ly)
uint16_t n;
if (uy > screen_last_y(s) || ly > screen_last_y(s) || ly < uy)
log_fatalx("screen_draw_lines: bad range");
fatalx("bad range");
/* XXX. This is naive and rough right now. */
attr = 0;
@ -303,7 +309,7 @@ screen_make_lines(struct screen *s, u_int uy, u_int ly)
log_debug("making lines %u:%u", uy, ly);
if (uy > screen_last_y(s) || ly > screen_last_y(s) || ly < uy)
log_fatalx("screen_make_lines: bad range");
fatalx("bad range");
for (i = uy; i <= ly; i++) {
s->grid_data[i] = xmalloc(s->sx);
@ -321,7 +327,7 @@ screen_free_lines(struct screen *s, u_int uy, u_int ly)
log_debug("freeing lines %u:%u", uy, ly);
if (uy > screen_last_y(s) || ly > screen_last_y(s) || ly < uy)
log_fatalx("screen_free_lines: bad range");
fatalx("bad range");
for (i = uy; i <= ly; i++) {
xfree(s->grid_data[i]);
@ -344,18 +350,20 @@ screen_move_lines(struct screen *s, u_int dy, u_int uy, u_int ly)
ny = (ly - uy) + 1;
if (uy > screen_last_y(s) || ly > screen_last_y(s) || ly < uy)
log_fatalx("screen_move_lines: bad range");
fatalx("bad range");
if (dy > screen_last_y(s))
log_fatalx("screen_move_lines: bad destination");
fatalx("bad destination");
if (dy + ny - 1 > screen_last_y(s))
log_fatalx("screen_move_lines: bad destination");
fatalx("bad size");
if (dy == uy)
fatalx("null move");
memmove(
s->grid_data + dy, s->grid_data + uy, ny * (sizeof *s->grid_data));
&s->grid_data[dy], &s->grid_data[uy], ny * (sizeof *s->grid_data));
memmove(
s->grid_attr + dy, s->grid_attr + uy, ny * (sizeof *s->grid_attr));
&s->grid_attr[dy], &s->grid_attr[uy], ny * (sizeof *s->grid_attr));
memmove(
s->grid_colr + dy, s->grid_colr + uy, ny * (sizeof *s->grid_colr));
&s->grid_colr[dy], &s->grid_colr[uy], ny * (sizeof *s->grid_colr));
}
/* Fill a range of lines. */
@ -368,7 +376,7 @@ screen_fill_lines(
log_debug("filling lines %u:%u", uy, ly);
if (uy > screen_last_y(s) || ly > screen_last_y(s) || ly < uy)
log_fatalx("screen_fill_lines: bad range");
fatalx("bad range");
for (i = uy; i <= ly; i++)
screen_fill_line(s, i, data, attr, colr);
@ -391,7 +399,7 @@ screen_character(struct screen *s, u_char ch)
break;
default:
if (ch < ' ')
log_fatalx("screen_character: bad control: %hhu", ch);
fatalx("bad control");
screen_write_character(s, ch);
break;
}
@ -662,7 +670,7 @@ screen_scroll_up(struct screen *s, u_int ny)
return;
}
log_fatalx("screen_scroll_up: %u %u", s->ry_upper, s->ry_lower);
fatalx("unimplemented");
}
/* Scroll screen down. */
@ -674,7 +682,7 @@ screen_scroll_down(struct screen *s, u_int ny)
return;
}
log_fatalx("screen_scroll_down: %u %u", s->ry_upper, s->ry_lower);
fatalx("unimplemented");
}
/* Fill entire screen. */
@ -722,9 +730,9 @@ screen_fill_end_of_line(
if (py > screen_last_y(s))
return;
memset(s->grid_data[py] + px, data, s->sx - px);
memset(s->grid_attr[py] + px, attr, s->sx - px);
memset(s->grid_colr[py] + px, colr, s->sx - px);
memset(&s->grid_data[py][px], data, s->sx - px);
memset(&s->grid_attr[py][px], attr, s->sx - px);
memset(&s->grid_colr[py][px], colr, s->sx - px);
}
/* Fill to start of line. */
@ -787,44 +795,64 @@ screen_delete_lines(struct screen *s, u_int py, u_int ny)
void
screen_insert_characters(struct screen *s, u_int px, u_int py, u_int nx)
{
if (px >= s->sx || py >= s->sy)
u_int lx, rx;
if (px > screen_last_x(s) || py > screen_last_y(s))
return;
if (px + nx > s->sx)
nx = s->sx - px;
lx = px;
rx = screen_offset_x(px, nx);
if (rx > screen_last_x(s))
rx = screen_last_x(s);
if (px - nx != s->sx) {
memmove(s->grid_data[py] + px + nx,
s->grid_data[py] + px, s->sx - px - nx);
memmove(s->grid_attr[py] + px + nx,
s->grid_attr[py] + px, s->sx - px - nx);
memmove(s->grid_colr[py] + px + nx,
s->grid_colr[py] + px, s->sx - px - nx);
/*
* Inserting a range from lx to rx, inclusive.
*
* - If rx is not the last x, move from lx to rx + 1.
* - Clear the range from lx to rx.
*/
if (rx != screen_last_x(s)) {
nx = screen_range_x(rx + 1, screen_last_x(s));
memmove(&s->grid_data[py][rx + 1], &s->grid_data[py][lx], nx);
memmove(&s->grid_attr[py][rx + 1], &s->grid_attr[py][lx], nx);
memmove(&s->grid_colr[py][rx + 1], &s->grid_colr[py][lx], nx);
}
memset(s->grid_data[py] + px, SCREEN_DEFDATA, nx);
memset(s->grid_attr[py] + px, SCREEN_DEFATTR, nx);
memset(s->grid_colr[py] + px, SCREEN_DEFCOLR, nx);
memset(&s->grid_data[py][lx], SCREEN_DEFDATA, screen_range_x(lx, rx));
memset(&s->grid_attr[py][lx], SCREEN_DEFATTR, screen_range_x(lx, rx));
memset(&s->grid_colr[py][lx], SCREEN_DEFCOLR, screen_range_x(lx, rx));
}
/* Delete characters. */
void
screen_delete_characters(struct screen *s, u_int px, u_int py, u_int nx)
{
if (px >= s->sx || py >= s->sy)
u_int lx, rx;
if (px > screen_last_x(s) || py > screen_last_y(s))
return;
if (px + nx > s->sx)
nx = s->sx - px;
lx = px;
rx = screen_offset_x(px, nx);
if (rx > screen_last_x(s))
rx = screen_last_x(s);
if (px - nx != s->sx) {
memmove(s->grid_data[py] + px,
s->grid_data[py] + px + nx, s->sx - px - nx);
memmove(s->grid_attr[py] + px,
s->grid_attr[py] + px + nx, s->sx - px - nx);
memmove(s->grid_colr[py] + px,
s->grid_colr[py] + px + nx, s->sx - px - nx);
/*
* Deleting the range from lx to rx, inclusive.
*
* - If rx is not the last x, move the range from rx + 1 to lx.
* - Clear the range from the last x - (rx - lx) to the last x.
*/
if (rx != screen_last_x(s)) {
nx = screen_range_x(rx + 1, screen_last_x(s));
memmove(&s->grid_data[py][lx], &s->grid_data[py][rx + 1], nx);
memmove(&s->grid_attr[py][lx], &s->grid_attr[py][rx + 1], nx);
memmove(&s->grid_colr[py][lx], &s->grid_colr[py][rx + 1], nx);
}
memset(s->grid_data[py] + px + nx, SCREEN_DEFDATA, s->sx - px - nx);
memset(s->grid_attr[py] + px + nx, SCREEN_DEFATTR, s->sx - px - nx);
memset(s->grid_colr[py] + px + nx, SCREEN_DEFCOLR, s->sx - px - nx);
/* If lx == rx, then nx = 1. */
nx = screen_range_x(lx, rx);
memset(&s->grid_data[py][s->sx - nx], SCREEN_DEFDATA, nx);
memset(&s->grid_attr[py][s->sx - nx], SCREEN_DEFATTR, nx);
memset(&s->grid_colr[py][s->sx - nx], SCREEN_DEFCOLR, nx);
}

78
server.c
View File

@ -1,4 +1,4 @@
/* $Id: server.c,v 1.1.1.1 2007-07-09 19:03:42 nicm Exp $ */
/* $Id: server.c,v 1.2 2007-07-25 23:13:18 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -114,27 +114,27 @@ server_start(void)
sz = strlcpy(sa.sun_path, socket_path, sizeof sa.sun_path);
if (sz >= sizeof sa.sun_path) {
errno = ENAMETOOLONG;
log_fatal("socket");
fatal("socket failed");
}
unlink(sa.sun_path);
if ((fd = socket(AF_UNIX, SOCK_STREAM, 0)) == -1)
log_fatal("socket");
fatal("socket failed");
mode = umask(S_IXUSR|S_IRWXG|S_IRWXO);
if (bind(fd, (struct sockaddr *) &sa, SUN_LEN(&sa)) == -1)
log_fatal("bind");
fatal("bind failed");
umask(mode);
if (listen(fd, 16) == -1)
log_fatal("listen");
fatal("listen failed");
/*
* Detach into the background. This means the PID changes which will
* have to be fixed in some way at some point... XXX
*/
if (daemon(1, 1) != 0)
log_fatal("daemon");
fatal("daemon failed");
log_debug("server daemonised, pid now %ld", (long) getpid());
setproctitle("server (%s)", socket_path);
@ -154,24 +154,24 @@ server_main(int srv_fd)
act.sa_handler = SIG_IGN;
if (sigaction(SIGPIPE, &act, NULL) != 0)
log_fatal("sigaction");
fatal("sigaction failed");
if (sigaction(SIGUSR1, &act, NULL) != 0)
log_fatal("sigaction");
fatal("sigaction failed");
if (sigaction(SIGUSR2, &act, NULL) != 0)
log_fatal("sigaction");
fatal("sigaction failed");
if (sigaction(SIGINT, &act, NULL) != 0)
log_fatal("sigaction");
fatal("sigaction failed");
if (sigaction(SIGQUIT, &act, NULL) != 0)
log_fatal("sigaction");
fatal("sigaction failed");
ARRAY_INIT(&windows);
ARRAY_INIT(&clients);
ARRAY_INIT(&sessions);
if ((mode = fcntl(srv_fd, F_GETFL)) == -1)
log_fatal("fcntl");
fatal("fcntl failed");
if (fcntl(srv_fd, F_SETFL, mode|O_NONBLOCK) == -1)
log_fatal("fcntl");
fatal("fcntl failed");
pfds = NULL;
while (!sigterm) {
@ -193,13 +193,13 @@ server_main(int srv_fd)
if (poll(pfds, nfds, INFTIM) == -1) {
if (errno == EAGAIN || errno == EINTR)
continue;
log_fatal("poll");
fatal("poll failed");
}
pfd = pfds;
/* Handle server socket. */
if (pfd->revents & (POLLERR|POLLNVAL|POLLHUP))
log_fatalx("lost server socket");
fatalx("lost server socket");
if (pfd->revents & POLLIN) {
accept_client(srv_fd);
continue;
@ -319,12 +319,12 @@ accept_client(int srv_fd)
if (client_fd == -1) {
if (errno == EAGAIN || errno == EINTR || errno == ECONNABORTED)
return (NULL);
log_fatal("accept");
fatal("accept failed");
}
if ((mode = fcntl(client_fd, F_GETFL)) == -1)
log_fatal("fcntl");
fatal("fcntl failed");
if (fcntl(client_fd, F_SETFL, mode|O_NONBLOCK) == -1)
log_fatal("fcntl");
fatal("fcntl failed");
c = xmalloc(sizeof *c);
c->fd = client_fd;
@ -477,7 +477,7 @@ user_input(struct client *c, size_t in)
key = input_extract8(c->in);
if (key == '\e') {
if (in < 2)
log_fatalx("user_input: underflow");
fatalx("underflow");
in -= 2;
key = (int16_t) input_extract16(c->in);
}
@ -762,7 +762,7 @@ process_identify_msg(struct client *c, struct hdr *hdr)
struct identify_data data;
if (hdr->size != sizeof data)
log_fatalx("bad MSG_IDENTIFY size");
fatalx("bad MSG_IDENTIFY size");
buffer_read(c->in, &data, hdr->size);
c->sx = data.sx;
@ -779,7 +779,7 @@ process_identify_msg(struct client *c, struct hdr *hdr)
session_create(data.name, "/bin/ksh -l", c->sx, c->sy);
}
if (c->session == NULL)
log_fatalx("process_identify_msg: session_create failed");
fatalx("session_create failed");
draw_client(c, 0, c->sy - 1);
}
@ -789,12 +789,12 @@ void
process_create_msg(struct client *c, struct hdr *hdr)
{
if (c->session == NULL)
log_fatalx("MSG_CREATE before identified");
fatalx("MSG_CREATE before identified");
if (hdr->size != 0)
log_fatalx("bad MSG_CREATE size");
fatalx("bad MSG_CREATE size");
if (session_new(c->session, "/bin/ksh -l", c->sx, c->sy) != 0)
log_fatalx("process_create_msg: session_new failed");
fatalx("session_new failed");
draw_client(c, 0, c->sy - 1);
}
@ -804,9 +804,9 @@ void
process_next_msg(struct client *c, struct hdr *hdr)
{
if (c->session == NULL)
log_fatalx("MSG_NEXT before identified");
fatalx("MSG_NEXT before identified");
if (hdr->size != 0)
log_fatalx("bad MSG_NEXT size");
fatalx("bad MSG_NEXT size");
if (session_next(c->session) == 0)
changed_window(c);
@ -819,9 +819,9 @@ void
process_previous_msg(struct client *c, struct hdr *hdr)
{
if (c->session == NULL)
log_fatalx("MSG_PREVIOUS before identified");
fatalx("MSG_PREVIOUS before identified");
if (hdr->size != 0)
log_fatalx("bad MSG_PREVIOUS size");
fatalx("bad MSG_PREVIOUS size");
if (session_previous(c->session) == 0)
changed_window(c);
@ -836,9 +836,9 @@ process_size_msg(struct client *c, struct hdr *hdr)
struct size_data data;
if (c->session == NULL)
log_fatalx("MSG_SIZE before identified");
fatalx("MSG_SIZE before identified");
if (hdr->size != sizeof data)
log_fatalx("bad MSG_SIZE size");
fatalx("bad MSG_SIZE size");
buffer_read(c->in, &data, hdr->size);
c->sx = data.sx;
@ -857,7 +857,7 @@ void
process_input_msg(struct client *c, struct hdr *hdr)
{
if (c->session == NULL)
log_fatalx("MSG_INPUT before identified");
fatalx("MSG_INPUT before identified");
if (c->prompt == NULL)
window_input(c->session->window, c->in, hdr->size);
@ -872,9 +872,9 @@ process_refresh_msg(struct client *c, struct hdr *hdr)
struct refresh_data data;
if (c->session == NULL)
log_fatalx("MSG_REFRESH before identified");
fatalx("MSG_REFRESH before identified");
if (hdr->size != 0 && hdr->size != sizeof data)
log_fatalx("bad MSG_REFRESH size");
fatalx("bad MSG_REFRESH size");
draw_client(c, 0, c->sy - 1);
}
@ -886,9 +886,9 @@ process_select_msg(struct client *c, struct hdr *hdr)
struct select_data data;
if (c->session == NULL)
log_fatalx("MSG_SELECT before identified");
fatalx("MSG_SELECT before identified");
if (hdr->size != sizeof data)
log_fatalx("bad MSG_SELECT size");
fatalx("bad MSG_SELECT size");
buffer_read(c->in, &data, hdr->size);
if (c->session == NULL)
@ -909,7 +909,7 @@ process_sessions_msg(struct client *c, struct hdr *hdr)
u_int i, j;
if (hdr->size != sizeof data)
log_fatalx("bad MSG_SESSIONS size");
fatalx("bad MSG_SESSIONS size");
buffer_read(c->in, &data, hdr->size);
data.sessions = 0;
@ -946,7 +946,7 @@ process_windows_msg(struct client *c, struct hdr *hdr)
u_int i;
if (hdr->size != sizeof data)
log_fatalx("bad MSG_WINDOWS size");
fatalx("bad MSG_WINDOWS size");
buffer_read(c->in, &data, hdr->size);
s = session_find(data.name);
@ -982,9 +982,9 @@ void
process_rename_msg(struct client *c, struct hdr *hdr)
{
if (c->session == NULL)
log_fatalx("MSG_RENAME before identified");
fatalx("MSG_RENAME before identified");
if (hdr->size != 0)
log_fatalx("bad MSG_RENAME size");
fatalx("bad MSG_RENAME size");
user_start(c, "Window name: ",
c->session->window->name, MAXNAMELEN, rename_callback);

4
session.c
View File

@ -1,4 +1,4 @@
/* $Id: session.c,v 1.1.1.1 2007-07-09 19:04:12 nicm Exp $ */
/* $Id: session.c,v 1.2 2007-07-25 23:13:18 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -76,7 +76,7 @@ session_destroy(struct session *s)
u_int i;
if (session_index(s, &i) != 0)
log_fatalx("session not found");
fatalx("session not found");
ARRAY_REMOVE(&sessions, i);
while (!ARRAY_EMPTY(&s->windows))

10
tmux.c
View File

@ -1,4 +1,4 @@
/* $Id: tmux.c,v 1.1.1.1 2007-07-09 19:03:33 nicm Exp $ */
/* $Id: tmux.c,v 1.2 2007-07-25 23:13:18 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -237,7 +237,7 @@ main(int argc, char **argv)
/* Handle SIGWINCH if necessary. */
if (sigwinch) {
if (ioctl(STDIN_FILENO, TIOCGWINSZ, &ws) == -1)
log_fatal("ioctl(TIOCGWINSZ)");
fatal("ioctl failed");
hdr.code = MSG_SIZE;
hdr.size = sizeof sd;
@ -263,14 +263,14 @@ main(int argc, char **argv)
if (poll(pfds, 2, INFTIM) == -1) {
if (errno == EAGAIN || errno == EINTR)
continue;
log_fatal("poll");
fatal("poll failed");
}
/* Read/write from sockets. */
if (buffer_poll(&pfds[0], srv_in, srv_out) != 0)
goto server_dead;
if (buffer_poll(&pfds[1], loc_in, loc_out) != 0)
log_fatalx("lost local socket");
fatalx("lost local socket");
/* Output flushed; pause if requested. */
if (n)
@ -341,7 +341,7 @@ process_server(struct buffer *srv_in)
break;
case MSG_PAUSE:
if (hdr.size != 0)
log_fatalx("bad MSG_PAUSE size");
fatalx("bad MSG_PAUSE size");
return (1);
case MSG_EXIT:
return (-1);

23
tmux.h
View File

@ -1,4 +1,4 @@
/* $Id: tmux.h,v 1.1.1.1 2007-07-09 19:03:50 nicm Exp $ */
/* $Id: tmux.h,v 1.2 2007-07-25 23:13:18 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -20,6 +20,7 @@
#define NSCR_H
#include <sys/param.h>
#include <sys/tree.h>
#include <sys/queue.h>
#include <poll.h>
@ -30,8 +31,12 @@
extern char *__progname;
#define MAXNAMELEN 32
#define MAXTITLELEN 192
#define MAXNAMELEN 32
#define MAXTITLELEN 192
/* Fatal errors. */
#define fatal(msg) log_fatal("%s: %s", __func__, msg);
#define fatalx(msg) log_fatal("%s: %s", __func__, msg);
/* Definition to shut gcc up about unused arguments. */
#define unused __attribute__ ((unused))
@ -580,4 +585,16 @@ int printflike3 printpath(char *, size_t, const char *, ...);
char *xdirname(const char *);
char *xbasename(const char *);
/* xmalloc-debug.c */
#ifdef DEBUG
#define xmalloc_caller() __builtin_return_address(0)
void xmalloc_clear(void);
void xmalloc_report(pid_t, const char *);
void xmalloc_new(void *, void *, size_t);
void xmalloc_change(void *, void *, void *, size_t);
void xmalloc_free(void *);
#endif
#endif

24
window.c
View File

@ -1,4 +1,4 @@
/* $Id: window.c,v 1.1.1.1 2007-07-09 19:04:12 nicm Exp $ */
/* $Id: window.c,v 1.2 2007-07-25 23:13:18 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -78,23 +78,23 @@ window_create(const char *cmd, u_int sx, u_int sy)
return (NULL);
case 0:
if (setenv("TMUX", pid, 1) != 0)
log_fatal("setenv");
fatal("setenv failed");
if (setenv("TERM", "screen", 1) != 0)
log_fatal("setenv");
fatal("setenv failed");
log_close();
execl(_PATH_BSHELL, "sh", "-c", cmd, (char *) NULL);
log_fatal("execl");
fatal("execl failed");
}
if ((mode = fcntl(fd, F_GETFL)) == -1)
log_fatal("fcntl");
fatal("fcntl failed");
if (fcntl(fd, F_SETFL, mode|O_NONBLOCK) == -1)
log_fatal("fcntl");
fatal("fcntl failed");
mode = 1;
if (ioctl(fd, TIOCPKT, &mode) == -1)
log_fatal("ioctl(TIOCPKT)");
fatal("ioctl failed");
w = xmalloc(sizeof *w);
w->fd = fd;
@ -156,7 +156,7 @@ window_remove(struct windows *ww, struct window *w)
u_int i;
if (window_index(ww, w, &i) != 0)
log_fatalx("window_remove: window not found");
fatalx("window not found");
ARRAY_REMOVE(ww, i);
w->references--;
@ -184,7 +184,7 @@ window_next(struct windows *ww, struct window *w)
u_int i;
if (window_index(ww, w, &i) != 0)
log_fatalx("window_next: window not found");
fatalx("window not found");
if (i == ARRAY_LENGTH(ww) - 1)
return (NULL);
@ -204,7 +204,7 @@ window_previous(struct windows *ww, struct window *w)
u_int i;
if (window_index(ww, w, &i) != 0)
log_fatalx("window_previous: window not found");
fatalx("window not found");
if (i == 0)
return (NULL);
do {
@ -241,7 +241,7 @@ window_resize(struct window *w, u_int sx, u_int sy)
screen_resize(&w->screen, sx, sy);
if (ioctl(w->fd, TIOCSWINSZ, &ws) == -1)
log_fatal("ioctl(TIOCSWINSZ)");
fatal("ioctl failed");
return (0);
}
@ -293,7 +293,7 @@ window_input(struct window *w, struct buffer *b, size_t size)
key = input_extract8(b);
if (key == '\e') {
if (size < 2)
log_fatalx("window_input: underflow");
fatalx("underflow");
size -= 2;
key = (int16_t) input_extract16(b);
}

238
xmalloc-debug.c Normal file
View File

@ -0,0 +1,238 @@
/* $Id: xmalloc-debug.c,v 1.1 2007-07-25 23:13:18 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifdef DEBUG
#include <sys/types.h>
#include <ctype.h>
#include <dlfcn.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include "tmux.h"
/* Single xmalloc allocated block. */
struct xmalloc_blk {
void *caller;
void *ptr;
size_t size;
SPLAY_ENTRY(xmalloc_blk) entry;
};
/* Splay tree of allocated blocks. */
SPLAY_HEAD(xmalloc_tree, xmalloc_blk);
struct xmalloc_tree xmalloc_tree = SPLAY_INITIALIZER(&xmalloc_tree);
/* Various statistics. */
size_t xmalloc_allocated;
size_t xmalloc_freed;
size_t xmalloc_peak;
u_int xmalloc_frees;
u_int xmalloc_mallocs;
u_int xmalloc_reallocs;
/* Print function. */
#define XMALLOC_PRINT log_debug3
/* Bytes of unallocated blocks and number of allocated blocks to show. */
#define XMALLOC_BYTES 8
#define XMALLOC_LINES 32
/* Macro to update peek usage variable. */
#define XMALLOC_UPDATE() do { \
if (xmalloc_allocated - xmalloc_freed > xmalloc_peak) \
xmalloc_peak = xmalloc_allocated - xmalloc_freed; \
} while (0)
/* Tree functions. */
int xmalloc_cmp(struct xmalloc_blk *, struct xmalloc_blk *);
SPLAY_PROTOTYPE(xmalloc_tree, xmalloc_blk, entry, xmalloc_cmp);
SPLAY_GENERATE(xmalloc_tree, xmalloc_blk, entry, xmalloc_cmp);
/* Compare two blocks. */
int
xmalloc_cmp(struct xmalloc_blk *blk1, struct xmalloc_blk *blk2)
{
uintptr_t ptr1 = (uintptr_t) blk1->ptr;
uintptr_t ptr2 = (uintptr_t) blk2->ptr;
if (ptr1 < ptr2)
return (-1);
if (ptr1 > ptr2)
return (1);
return (0);
}
/* Clear statistics and block list; used to start fresh after fork(2). */
void
xmalloc_clear(void)
{
struct xmalloc_blk *blk;
xmalloc_allocated = 0;
xmalloc_freed = 0;
xmalloc_peak = 0;
xmalloc_frees = 0;
xmalloc_mallocs = 0;
xmalloc_reallocs = 0;
while (!SPLAY_EMPTY(&xmalloc_tree)) {
blk = SPLAY_ROOT(&xmalloc_tree);
SPLAY_REMOVE(xmalloc_tree, &xmalloc_tree, blk);
free(blk);
}
}
/* Print report of statistics and unfreed blocks. */
void
xmalloc_report(pid_t pid, const char *hdr)
{
struct xmalloc_blk *blk;
u_char *iptr;
char buf[4 * XMALLOC_BYTES + 1], *optr;
size_t len;
u_int n;
Dl_info info;
XMALLOC_PRINT("%s: %ld: allocated=%zu, freed=%zu, difference=%zd, "
"peak=%zu", hdr, (long) pid, xmalloc_allocated, xmalloc_freed,
xmalloc_allocated - xmalloc_freed, xmalloc_peak);
XMALLOC_PRINT("%s: %ld: mallocs=%u, reallocs=%u, frees=%u", hdr,
(long) pid, xmalloc_mallocs, xmalloc_reallocs, xmalloc_frees);
n = 0;
SPLAY_FOREACH(blk, xmalloc_tree, &xmalloc_tree) {
n++;
if (n >= XMALLOC_LINES)
continue;
len = blk->size;
if (len > XMALLOC_BYTES)
len = XMALLOC_BYTES;
memset(&info, 0, sizeof info);
if (dladdr(blk->caller, &info) == 0)
info.dli_sname = info.dli_saddr = NULL;
optr = buf;
iptr = blk->ptr;
for (; len > 0; len--) {
if (isascii(*iptr) && !iscntrl(*iptr)) {
*optr++ = *iptr++;
continue;
}
*optr++ = '\\';
*optr++ = '0' + ((*iptr >> 6) & 07);
*optr++ = '0' + ((*iptr >> 3) & 07);
*optr++ = '0' + (*iptr & 07);
iptr++;
}
*optr = '\0';
XMALLOC_PRINT("%s: %ld: %u, %s+0x%02tx: [%p %zu: %s]", hdr,
(long) pid, n, info.dli_sname, ((u_char *) blk->caller) -
((u_char *) info.dli_saddr), blk->ptr, blk->size, buf);
}
XMALLOC_PRINT("%s: %ld: %u unfreed blocks", hdr, (long) pid, n);
}
/* Record a newly created block. */
void
xmalloc_new(void *caller, void *ptr, size_t size)
{
struct xmalloc_blk *blk;
xmalloc_allocated += size;
XMALLOC_UPDATE();
if ((blk = malloc(sizeof *blk)) == NULL)
abort();
blk->ptr = ptr;
blk->size = size;
blk->caller = caller;
SPLAY_INSERT(xmalloc_tree, &xmalloc_tree, blk);
xmalloc_mallocs++;
XMALLOC_UPDATE();
}
/* Record changes to a block. */
void
xmalloc_change(void *caller, void *oldptr, void *newptr, size_t newsize)
{
struct xmalloc_blk *blk, key;
ssize_t change;
if (oldptr == NULL) {
xmalloc_new(caller, newptr, newsize);
return;
}
key.ptr = oldptr;
blk = SPLAY_FIND(xmalloc_tree, &xmalloc_tree, &key);
if (blk == NULL)
return;
change = newsize - blk->size;
if (change > 0)
xmalloc_allocated += change;
else
xmalloc_freed -= change;
XMALLOC_UPDATE();
SPLAY_REMOVE(xmalloc_tree, &xmalloc_tree, blk);
blk->ptr = newptr;
blk->size = newsize;
blk->caller = caller;
SPLAY_INSERT(xmalloc_tree, &xmalloc_tree, blk);
xmalloc_reallocs++;
XMALLOC_UPDATE();
}
/* Record a block free. */
void
xmalloc_free(void *ptr)
{
struct xmalloc_blk *blk, key;
key.ptr = ptr;
blk = SPLAY_FIND(xmalloc_tree, &xmalloc_tree, &key);
if (blk == NULL)
return;
xmalloc_freed += blk->size;
SPLAY_REMOVE(xmalloc_tree, &xmalloc_tree, blk);
free(blk);
xmalloc_frees++;
XMALLOC_UPDATE();
}
#endif /* DEBUG */

96
xmalloc.c
View File

@ -1,4 +1,4 @@
/* $Id: xmalloc.c,v 1.1.1.1 2007-07-09 19:03:33 nicm Exp $ */
/* $Id: xmalloc.c,v 1.2 2007-07-25 23:13:18 nicm Exp $ */
/*
* Copyright (c) 2004 Nicholas Marriott <nicm@users.sourceforge.net>
@ -16,14 +16,10 @@
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <sys/param.h>
#include <errno.h>
#include <libgen.h>
#include <limits.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
@ -33,10 +29,10 @@ void *
ensure_for(void *buf, size_t *len, size_t size, size_t adj)
{
if (adj == 0)
log_fatalx("ensure_for: zero adj");
fatalx("zero adj");
if (SIZE_MAX - size < adj)
log_fatalx("ensure_for: size + adj > SIZE_MAX");
fatalx("size + adj > SIZE_MAX");
size += adj;
if (*len == 0) {
@ -56,9 +52,9 @@ void *
ensure_size(void *buf, size_t *len, size_t nmemb, size_t size)
{
if (nmemb == 0 || size == 0)
log_fatalx("ensure_size: zero size");
fatalx("zero size");
if (SIZE_MAX / nmemb < size)
log_fatalx("ensure_size: nmemb * size > SIZE_MAX");
fatalx("nmemb * size > SIZE_MAX");
if (*len == 0) {
*len = BUFSIZ;
@ -91,25 +87,31 @@ xcalloc(size_t nmemb, size_t size)
void *ptr;
if (size == 0 || nmemb == 0)
log_fatalx("xcalloc: zero size");
fatalx("zero size");
if (SIZE_MAX / nmemb < size)
log_fatalx("xcalloc: nmemb * size > SIZE_MAX");
fatalx("nmemb * size > SIZE_MAX");
if ((ptr = calloc(nmemb, size)) == NULL)
log_fatal("xcalloc");
fatal("xcalloc failed");
#ifdef DEBUG
xmalloc_new(xmalloc_caller(), ptr, nmemb * size);
#endif
return (ptr);
}
void *
xmalloc(size_t size)
{
void *ptr;
void *ptr;
if (size == 0)
log_fatalx("xmalloc: zero size");
fatalx("zero size");
if ((ptr = malloc(size)) == NULL)
log_fatal("xmalloc");
fatal("xmalloc failed");
#ifdef DEBUG
xmalloc_new(xmalloc_caller(), ptr, size);
#endif
return (ptr);
}
@ -120,12 +122,15 @@ xrealloc(void *oldptr, size_t nmemb, size_t size)
void *newptr;
if (newsize == 0)
log_fatalx("xrealloc: zero size");
fatalx("zero size");
if (SIZE_MAX / nmemb < size)
log_fatal("xrealloc: nmemb * size > SIZE_MAX");
fatalx("nmemb * size > SIZE_MAX");
if ((newptr = realloc(oldptr, newsize)) == NULL)
log_fatal("xrealloc");
fatal("xrealloc failed");
#ifdef DEBUG
xmalloc_change(xmalloc_caller(), oldptr, newptr, nmemb * size);
#endif
return (newptr);
}
@ -133,8 +138,12 @@ void
xfree(void *ptr)
{
if (ptr == NULL)
log_fatalx("xfree: null pointer");
fatalx("null pointer");
free(ptr);
#ifdef DEBUG
xmalloc_free(ptr);
#endif
}
int printflike2
@ -156,10 +165,12 @@ xvasprintf(char **ret, const char *fmt, va_list ap)
int i;
i = vasprintf(ret, fmt, ap);
if (i < 0 || *ret == NULL)
log_fatal("xvasprintf");
fatal("xvasprintf failed");
#ifdef DEBUG
xmalloc_new(xmalloc_caller(), *ret, i + 1);
#endif
return (i);
}
@ -181,53 +192,24 @@ xvsnprintf(char *buf, size_t len, const char *fmt, va_list ap)
{
int i;
if (len > INT_MAX) {
errno = EINVAL;
log_fatal("xvsnprintf");
}
if (len > INT_MAX)
fatalx("len > INT_MAX");
i = vsnprintf(buf, len, fmt, ap);
if (i < 0)
log_fatal("xvsnprintf");
fatal("vsnprintf failed");
return (i);
}
/*
* Print a path. Same as xsnprintf, but return ENAMETOOLONG on truncation.
*/
int printflike3
printpath(char *buf, size_t len, const char *fmt, ...)
{
va_list ap;
int n;
if (len > INT_MAX) {
errno = ENAMETOOLONG;
return (1);
}
va_start(ap, fmt);
n = xvsnprintf(buf, len, fmt, ap);
va_end(ap);
if ((size_t) n > len) {
errno = ENAMETOOLONG;
return (1);
}
return (0);
}
/*
* Some system modify the path in place. This function and xbasename below
* Some systems modify the path in place. This function and xbasename below
* avoid that by using a temporary buffer.
*/
char *
xdirname(const char *src)
{
char dst[MAXPATHLEN];
static char dst[MAXPATHLEN];
strlcpy(dst, src, sizeof dst);
return (dirname(dst));
@ -236,7 +218,7 @@ xdirname(const char *src)
char *
xbasename(const char *src)
{
char dst[MAXPATHLEN];
static char dst[MAXPATHLEN];
strlcpy(dst, src, sizeof dst);
return (basename(dst));