Changed to eliminate the upper limit of command length displayed
by "-a" and expand to match terminal width Reviewed by: eadler Approved by: gnn (mentor) Differential Revision: https://reviews.freebsd.org/D16083
This commit is contained in:
Daichi GOTO
parent
ae1dac06a2
commit
0a59db87e3
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=336028
@ -57,9 +57,8 @@ FILE *debug;
|
||||
static int lmpid = 0;
|
||||
static int last_hi = 0; /* used in u_process and u_endscreen */
|
||||
static int lastline = 0;
|
||||
static int display_width = MAX_COLS;
|
||||
|
||||
#define lineindex(l) ((l)*display_width)
|
||||
#define lineindex(l) ((l)*screen_width)
|
||||
|
||||
|
||||
/* things initialized by display_init and used thruout */
|
||||
@ -94,6 +93,9 @@ static enum { OFF, ON, ERASE } header_status = ON;
|
||||
static void summary_format(char *, int *, const char * const *);
|
||||
static void line_update(char *, char *, int, int);
|
||||
|
||||
static int setup_buffer_bufsiz = 0;
|
||||
static char * setup_buffer(char *, int);
|
||||
|
||||
int x_lastpid = 10;
|
||||
int y_lastpid = 0;
|
||||
int x_loadave = 33;
|
||||
@ -138,17 +140,9 @@ display_resize(void)
|
||||
|
||||
if (lines < 0)
|
||||
lines = 0;
|
||||
/* we don't want more than MAX_COLS columns, since the machine-dependent
|
||||
modules make static allocations based on MAX_COLS and we don't want
|
||||
to run off the end of their buffers */
|
||||
display_width = screen_width;
|
||||
if (display_width >= MAX_COLS)
|
||||
{
|
||||
display_width = MAX_COLS - 1;
|
||||
}
|
||||
|
||||
/* now, allocate space for the screen buffer */
|
||||
screenbuf = calloc(lines, display_width);
|
||||
screenbuf = calloc(lines, screen_width);
|
||||
if (screenbuf == NULL)
|
||||
{
|
||||
/* oops! */
|
||||
@ -336,7 +330,7 @@ i_timeofday(time_t *tod)
|
||||
}
|
||||
|
||||
static int ltotal = 0;
|
||||
static char procstates_buffer[MAX_COLS];
|
||||
static char *procstates_buffer = NULL;
|
||||
|
||||
/*
|
||||
* *_procstates(total, brkdn, names) - print the process summary line
|
||||
@ -350,6 +344,8 @@ i_procstates(int total, int *brkdn)
|
||||
{
|
||||
int i;
|
||||
|
||||
procstates_buffer = setup_buffer(procstates_buffer, 0);
|
||||
|
||||
/* write current number of processes and remember the value */
|
||||
printf("%d %s:", total, (ps.thread) ? "threads" :"processes");
|
||||
ltotal = total;
|
||||
@ -372,9 +368,11 @@ i_procstates(int total, int *brkdn)
|
||||
void
|
||||
u_procstates(int total, int *brkdn)
|
||||
{
|
||||
static char new[MAX_COLS];
|
||||
static char *new = NULL;
|
||||
int i;
|
||||
|
||||
new = setup_buffer(new, 0);
|
||||
|
||||
/* update number of processes only if it has changed */
|
||||
if (ltotal != total)
|
||||
{
|
||||
@ -551,11 +549,13 @@ z_cpustates(void)
|
||||
* for i_memory ONLY: cursor is on the previous line
|
||||
*/
|
||||
|
||||
static char memory_buffer[MAX_COLS];
|
||||
static char *memory_buffer = NULL;
|
||||
|
||||
void
|
||||
i_memory(int *stats)
|
||||
{
|
||||
memory_buffer = setup_buffer(memory_buffer, 0);
|
||||
|
||||
fputs("\nMem: ", stdout);
|
||||
lastline++;
|
||||
|
||||
@ -567,7 +567,9 @@ i_memory(int *stats)
|
||||
void
|
||||
u_memory(int *stats)
|
||||
{
|
||||
static char new[MAX_COLS];
|
||||
static char *new = NULL;
|
||||
|
||||
new = setup_buffer(new, 0);
|
||||
|
||||
/* format the new line */
|
||||
summary_format(new, stats, memory_names);
|
||||
@ -580,11 +582,13 @@ u_memory(int *stats)
|
||||
* Assumptions: cursor is on "lastline"
|
||||
* for i_arc ONLY: cursor is on the previous line
|
||||
*/
|
||||
static char arc_buffer[MAX_COLS];
|
||||
static char *arc_buffer = NULL;
|
||||
|
||||
void
|
||||
i_arc(int *stats)
|
||||
{
|
||||
arc_buffer = setup_buffer(arc_buffer, 0);
|
||||
|
||||
if (arc_names == NULL)
|
||||
return;
|
||||
|
||||
@ -599,7 +603,9 @@ i_arc(int *stats)
|
||||
void
|
||||
u_arc(int *stats)
|
||||
{
|
||||
static char new[MAX_COLS];
|
||||
static char *new = NULL;
|
||||
|
||||
new = setup_buffer(new, 0);
|
||||
|
||||
if (arc_names == NULL)
|
||||
return;
|
||||
@ -616,11 +622,13 @@ u_arc(int *stats)
|
||||
* Assumptions: cursor is on "lastline"
|
||||
* for i_carc ONLY: cursor is on the previous line
|
||||
*/
|
||||
static char carc_buffer[MAX_COLS];
|
||||
static char *carc_buffer = NULL;
|
||||
|
||||
void
|
||||
i_carc(int *stats)
|
||||
{
|
||||
carc_buffer = setup_buffer(carc_buffer, 0);
|
||||
|
||||
if (carc_names == NULL)
|
||||
return;
|
||||
|
||||
@ -635,7 +643,9 @@ i_carc(int *stats)
|
||||
void
|
||||
u_carc(int *stats)
|
||||
{
|
||||
static char new[MAX_COLS];
|
||||
static char *new = NULL;
|
||||
|
||||
new = setup_buffer(new, 0);
|
||||
|
||||
if (carc_names == NULL)
|
||||
return;
|
||||
@ -652,11 +662,13 @@ u_carc(int *stats)
|
||||
* for i_swap ONLY: cursor is on the previous line
|
||||
*/
|
||||
|
||||
static char swap_buffer[MAX_COLS];
|
||||
static char *swap_buffer = NULL;
|
||||
|
||||
void
|
||||
i_swap(int *stats)
|
||||
{
|
||||
swap_buffer = setup_buffer(swap_buffer, 0);
|
||||
|
||||
fputs("\nSwap: ", stdout);
|
||||
lastline++;
|
||||
|
||||
@ -668,7 +680,9 @@ i_swap(int *stats)
|
||||
void
|
||||
u_swap(int *stats)
|
||||
{
|
||||
static char new[MAX_COLS];
|
||||
static char *new = NULL;
|
||||
|
||||
new = setup_buffer(new, 0);
|
||||
|
||||
/* format the new line */
|
||||
summary_format(new, stats, swap_names);
|
||||
@ -689,7 +703,7 @@ u_swap(int *stats)
|
||||
* respect to screen updates).
|
||||
*/
|
||||
|
||||
static char next_msg[MAX_COLS + 5];
|
||||
static char *next_msg = NULL;
|
||||
static int msglen = 0;
|
||||
/* Invariant: msglen is always the length of the message currently displayed
|
||||
on the screen (even when next_msg doesn't contain that message). */
|
||||
@ -697,6 +711,7 @@ static int msglen = 0;
|
||||
void
|
||||
i_message(void)
|
||||
{
|
||||
next_msg = setup_buffer(next_msg, 5);
|
||||
|
||||
while (lastline < y_message)
|
||||
{
|
||||
@ -736,7 +751,7 @@ trim_header(const char *text)
|
||||
int width;
|
||||
|
||||
s = NULL;
|
||||
width = display_width;
|
||||
width = screen_width;
|
||||
header_length = strlen(text);
|
||||
if (header_length >= width) {
|
||||
s = strndup(text, width);
|
||||
@ -807,7 +822,7 @@ i_process(int line, char *thisline)
|
||||
}
|
||||
|
||||
/* truncate the line to conform to our current screen width */
|
||||
thisline[display_width] = '\0';
|
||||
thisline[screen_width] = '\0';
|
||||
|
||||
/* write the line out */
|
||||
fputs(thisline, stdout);
|
||||
@ -817,7 +832,7 @@ i_process(int line, char *thisline)
|
||||
p = stpcpy(base, thisline);
|
||||
|
||||
/* zero fill the rest of it */
|
||||
memset(p, 0, display_width - (p - base));
|
||||
memset(p, 0, screen_width - (p - base));
|
||||
}
|
||||
|
||||
void
|
||||
@ -831,7 +846,7 @@ u_process(int line, char *newline)
|
||||
bufferline = &screenbuf[lineindex(line)];
|
||||
|
||||
/* truncate the line to conform to our current screen width */
|
||||
newline[display_width] = '\0';
|
||||
newline[screen_width] = '\0';
|
||||
|
||||
/* is line higher than we went on the last display? */
|
||||
if (line >= last_hi)
|
||||
@ -856,7 +871,7 @@ u_process(int line, char *newline)
|
||||
optr = stpcpy(bufferline, newline);
|
||||
|
||||
/* zero fill the rest of it */
|
||||
memset(optr, 0, display_width - (optr - bufferline));
|
||||
memset(optr, 0, screen_width - (optr - bufferline));
|
||||
}
|
||||
else
|
||||
{
|
||||
@ -1235,7 +1250,7 @@ line_update(char *old, char *new, int start, int line)
|
||||
} while (ch != '\0');
|
||||
|
||||
/* zero out the rest of the line buffer -- MUST BE DONE! */
|
||||
diff = display_width - newcol;
|
||||
diff = screen_width - newcol;
|
||||
if (diff > 0)
|
||||
{
|
||||
memset(old, 0, diff);
|
||||
@ -1327,3 +1342,31 @@ i_uptime(struct timeval *bt, time_t *tod)
|
||||
printf(" up %d+%02d:%02d:%02d", days, hrs, mins, secs);
|
||||
}
|
||||
}
|
||||
|
||||
static char *
|
||||
setup_buffer(char *buffer, int addlen)
|
||||
{
|
||||
char *b = NULL;
|
||||
|
||||
if (NULL == buffer) {
|
||||
setup_buffer_bufsiz = screen_width;
|
||||
b = calloc(setup_buffer_bufsiz + addlen, sizeof(char));
|
||||
} else {
|
||||
if (screen_width > setup_buffer_bufsiz) {
|
||||
setup_buffer_bufsiz = screen_width;
|
||||
free(buffer);
|
||||
b = calloc(setup_buffer_bufsiz + addlen,
|
||||
sizeof(char));
|
||||
} else {
|
||||
b = buffer;
|
||||
}
|
||||
}
|
||||
|
||||
if (NULL == b) {
|
||||
fprintf(stderr, "%s: can't allocate sufficient memory\n",
|
||||
myname);
|
||||
exit(4);
|
||||
}
|
||||
|
||||
return b;
|
||||
}
|
||||
|
||||
@ -870,7 +870,6 @@ format_next_process(struct handle * xhandle, char *(*get_userid)(int), int flags
|
||||
long p_tot, s_tot;
|
||||
char *cmdbuf = NULL;
|
||||
char **args;
|
||||
const int cmdlen = 256;
|
||||
static struct sbuf* procbuf = NULL;
|
||||
|
||||
/* clean up from last time. */
|
||||
@ -935,31 +934,31 @@ format_next_process(struct handle * xhandle, char *(*get_userid)(int), int flags
|
||||
break;
|
||||
}
|
||||
|
||||
cmdbuf = calloc(cmdlen + 1, 1);
|
||||
cmdbuf = calloc(screen_width + 1, 1);
|
||||
if (cmdbuf == NULL) {
|
||||
warn("calloc(%d)", cmdlen + 1);
|
||||
warn("calloc(%d)", screen_width + 1);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
if (!(flags & FMT_SHOWARGS)) {
|
||||
if (ps.thread && pp->ki_flag & P_HADTHREADS &&
|
||||
pp->ki_tdname[0]) {
|
||||
snprintf(cmdbuf, cmdlen, "%s{%s%s}", pp->ki_comm,
|
||||
snprintf(cmdbuf, screen_width, "%s{%s%s}", pp->ki_comm,
|
||||
pp->ki_tdname, pp->ki_moretdname);
|
||||
} else {
|
||||
snprintf(cmdbuf, cmdlen, "%s", pp->ki_comm);
|
||||
snprintf(cmdbuf, screen_width, "%s", pp->ki_comm);
|
||||
}
|
||||
} else {
|
||||
if (pp->ki_flag & P_SYSTEM ||
|
||||
(args = kvm_getargv(kd, pp, cmdlen)) == NULL ||
|
||||
(args = kvm_getargv(kd, pp, screen_width)) == NULL ||
|
||||
!(*args)) {
|
||||
if (ps.thread && pp->ki_flag & P_HADTHREADS &&
|
||||
pp->ki_tdname[0]) {
|
||||
snprintf(cmdbuf, cmdlen,
|
||||
snprintf(cmdbuf, screen_width,
|
||||
"[%s{%s%s}]", pp->ki_comm, pp->ki_tdname,
|
||||
pp->ki_moretdname);
|
||||
} else {
|
||||
snprintf(cmdbuf, cmdlen,
|
||||
snprintf(cmdbuf, screen_width,
|
||||
"[%s]", pp->ki_comm);
|
||||
}
|
||||
} else {
|
||||
@ -969,7 +968,7 @@ format_next_process(struct handle * xhandle, char *(*get_userid)(int), int flags
|
||||
size_t argbuflen;
|
||||
size_t len;
|
||||
|
||||
argbuflen = cmdlen * 4;
|
||||
argbuflen = screen_width * 4;
|
||||
argbuf = calloc(argbuflen + 1, 1);
|
||||
if (argbuf == NULL) {
|
||||
warn("calloc(%zu)", argbuflen + 1);
|
||||
@ -1005,21 +1004,21 @@ format_next_process(struct handle * xhandle, char *(*get_userid)(int), int flags
|
||||
if (strcmp(cmd, pp->ki_comm) != 0) {
|
||||
if (ps.thread && pp->ki_flag & P_HADTHREADS &&
|
||||
pp->ki_tdname[0])
|
||||
snprintf(cmdbuf, cmdlen,
|
||||
snprintf(cmdbuf, screen_width,
|
||||
"%s (%s){%s%s}", argbuf,
|
||||
pp->ki_comm, pp->ki_tdname,
|
||||
pp->ki_moretdname);
|
||||
else
|
||||
snprintf(cmdbuf, cmdlen,
|
||||
snprintf(cmdbuf, screen_width,
|
||||
"%s (%s)", argbuf, pp->ki_comm);
|
||||
} else {
|
||||
if (ps.thread && pp->ki_flag & P_HADTHREADS &&
|
||||
pp->ki_tdname[0])
|
||||
snprintf(cmdbuf, cmdlen,
|
||||
snprintf(cmdbuf, screen_width,
|
||||
"%s{%s%s}", argbuf, pp->ki_tdname,
|
||||
pp->ki_moretdname);
|
||||
else
|
||||
strlcpy(cmdbuf, argbuf, cmdlen);
|
||||
strlcpy(cmdbuf, argbuf, screen_width);
|
||||
}
|
||||
free(argbuf);
|
||||
}
|
||||
|
||||
@ -62,8 +62,7 @@ init_termcap(bool interactive)
|
||||
char *term_name;
|
||||
int status;
|
||||
|
||||
/* set defaults in case we aren't smart */
|
||||
screen_width = MAX_COLS;
|
||||
screen_width = 0;
|
||||
screen_length = 0;
|
||||
|
||||
if (!interactive)
|
||||
|
||||
@ -13,9 +13,6 @@
|
||||
/* Number of lines of header information on the standard screen */
|
||||
extern int Header_lines;
|
||||
|
||||
/* Maximum number of columns allowed for display */
|
||||
#define MAX_COLS 512
|
||||
|
||||
/* Special atoi routine returns either a non-negative number or one of: */
|
||||
#define Infinity -1
|
||||
#define Invalid -2
|
||||
|
||||
Loading…
Reference in New Issue
Block a user