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authorZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2012-07-26 20:23:28 +0200
committerZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2012-07-26 23:32:01 +0200
commit11f96fac8f30423cb14f84622de9ed56b3b8f093 (patch)
treef06b14b9e651bb1ff6f253a28905d9f6a81ea00f /src
parente66bb58bed3fe5ef152268ac257b2801a7679549 (diff)
cgtop: use full terminal width
Diffstat (limited to 'src')
-rw-r--r--src/cgtop/cgtop.c30
-rw-r--r--src/shared/util.c31
-rw-r--r--src/shared/util.h1
3 files changed, 45 insertions, 17 deletions
diff --git a/src/cgtop/cgtop.c b/src/cgtop/cgtop.c
index 3009589597..d8d36b3619 100644
--- a/src/cgtop/cgtop.c
+++ b/src/cgtop/cgtop.c
@@ -426,7 +426,7 @@ static int display(Hashmap *a) {
Iterator i;
Group *g;
Group **array;
- unsigned rows, n = 0, j;
+ unsigned rows, path_columns, n = 0, j;
assert(a);
@@ -446,13 +446,23 @@ static int display(Hashmap *a) {
if (rows <= 0)
rows = 25;
- printf("%s%-37s%s %s%7s%s %s%6s%s %s%8s%s %s%8s%s %s%8s%s\n\n",
- arg_order == ORDER_PATH ? ANSI_HIGHLIGHT_ON : "", "Path", arg_order == ORDER_PATH ? ANSI_HIGHLIGHT_OFF : "",
- arg_order == ORDER_TASKS ? ANSI_HIGHLIGHT_ON : "", "Tasks", arg_order == ORDER_TASKS ? ANSI_HIGHLIGHT_OFF : "",
- arg_order == ORDER_CPU ? ANSI_HIGHLIGHT_ON : "", "%CPU", arg_order == ORDER_CPU ? ANSI_HIGHLIGHT_OFF : "",
- arg_order == ORDER_MEMORY ? ANSI_HIGHLIGHT_ON : "", "Memory", arg_order == ORDER_MEMORY ? ANSI_HIGHLIGHT_OFF : "",
- arg_order == ORDER_IO ? ANSI_HIGHLIGHT_ON : "", "Input/s", arg_order == ORDER_IO ? ANSI_HIGHLIGHT_OFF : "",
- arg_order == ORDER_IO ? ANSI_HIGHLIGHT_ON : "", "Output/s", arg_order == ORDER_IO ? ANSI_HIGHLIGHT_OFF : "");
+ path_columns = columns_uncached() - 42;
+ if (path_columns < 10)
+ path_columns = 10;
+
+ printf("%s%-*s%s %s%7s%s %s%6s%s %s%8s%s %s%8s%s %s%8s%s\n\n",
+ arg_order == ORDER_PATH ? ANSI_HIGHLIGHT_ON : "", path_columns, "Path",
+ arg_order == ORDER_PATH ? ANSI_HIGHLIGHT_OFF : "",
+ arg_order == ORDER_TASKS ? ANSI_HIGHLIGHT_ON : "", "Tasks",
+ arg_order == ORDER_TASKS ? ANSI_HIGHLIGHT_OFF : "",
+ arg_order == ORDER_CPU ? ANSI_HIGHLIGHT_ON : "", "%CPU",
+ arg_order == ORDER_CPU ? ANSI_HIGHLIGHT_OFF : "",
+ arg_order == ORDER_MEMORY ? ANSI_HIGHLIGHT_ON : "", "Memory",
+ arg_order == ORDER_MEMORY ? ANSI_HIGHLIGHT_OFF : "",
+ arg_order == ORDER_IO ? ANSI_HIGHLIGHT_ON : "", "Input/s",
+ arg_order == ORDER_IO ? ANSI_HIGHLIGHT_OFF : "",
+ arg_order == ORDER_IO ? ANSI_HIGHLIGHT_ON : "", "Output/s",
+ arg_order == ORDER_IO ? ANSI_HIGHLIGHT_OFF : "");
for (j = 0; j < n; j++) {
char *p;
@@ -463,8 +473,8 @@ static int display(Hashmap *a) {
g = array[j];
- p = ellipsize(g->path, 37, 33);
- printf("%-37s", p ? p : g->path);
+ p = ellipsize(g->path, path_columns, 33);
+ printf("%-*s", path_columns, p ? p : g->path);
free(p);
if (g->n_tasks_valid)
diff --git a/src/shared/util.c b/src/shared/util.c
index 5f360085a2..af975956db 100644
--- a/src/shared/util.c
+++ b/src/shared/util.c
@@ -3774,18 +3774,27 @@ int fd_columns(int fd) {
return ws.ws_col;
}
-unsigned columns(void) {
- static __thread int parsed_columns = 0;
+static unsigned columns_cached(bool cached) {
+ static __thread int parsed_columns = 0, env_columns = -1;
const char *e;
- if (_likely_(parsed_columns > 0))
+ if (_likely_(parsed_columns > 0 && cached))
return parsed_columns;
- e = getenv("COLUMNS");
- if (e)
- parsed_columns = atoi(e);
+ if (_unlikely_(env_columns == -1)) {
+ e = getenv("COLUMNS");
+ if (e)
+ env_columns = atoi(e);
+ else
+ env_columns = 0;
+ }
- if (parsed_columns <= 0)
+ if (env_columns > 0) {
+ parsed_columns = env_columns;
+ return parsed_columns;
+ }
+
+ if (parsed_columns <= 0 || !cached)
parsed_columns = fd_columns(STDOUT_FILENO);
if (parsed_columns <= 0)
@@ -3794,6 +3803,14 @@ unsigned columns(void) {
return parsed_columns;
}
+unsigned columns(void) {
+ return columns_cached(true);
+}
+
+unsigned columns_uncached(void) {
+ return columns_cached(false);
+}
+
int fd_lines(int fd) {
struct winsize ws;
zero(ws);
diff --git a/src/shared/util.h b/src/shared/util.h
index d25b7ee1ee..b315593bba 100644
--- a/src/shared/util.h
+++ b/src/shared/util.h
@@ -374,6 +374,7 @@ void status_welcome(void);
int fd_columns(int fd);
unsigned columns(void);
+unsigned columns_uncached(void);
int fd_lines(int fd);
unsigned lines(void);