Adding upstream version 3.3.0.upstream/3.3.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 67 insertions, 0 deletions

diff --git a/EnvScreen.c b/EnvScreen.c
new file mode 100644
index 0000000..4a36b31
--- /dev/null
+++ b/EnvScreen.c
@@ -0,0 +1,67 @@
+/*
+htop - EnvScreen.c
+(C) 2015,2016 Michael Klein
+(C) 2016,2017 Hisham H. Muhammad
+(C) 2020,2021 htop dev team
+Released under the GNU GPLv2+, see the COPYING file
+in the source distribution for its full text.
+*/
+
+#include "config.h" // IWYU pragma: keep
+
+#include "EnvScreen.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "Macros.h"
+#include "Panel.h"
+#include "Platform.h"
+#include "ProvideCurses.h"
+#include "Vector.h"
+#include "XUtils.h"
+
+
+EnvScreen* EnvScreen_new(Process* process) {
+   EnvScreen* this = xMalloc(sizeof(EnvScreen));
+   Object_setClass(this, Class(EnvScreen));
+   return (EnvScreen*) InfoScreen_init(&this->super, process, NULL, LINES - 2, " ");
+}
+
+void EnvScreen_delete(Object* this) {
+   free(InfoScreen_done((InfoScreen*)this));
+}
+
+static void EnvScreen_draw(InfoScreen* this) {
+   InfoScreen_drawTitled(this, "Environment of process %d - %s", Process_getPid(this->process), Process_getCommand(this->process));
+}
+
+static void EnvScreen_scan(InfoScreen* this) {
+   Panel* panel = this->display;
+   int idx = MAXIMUM(Panel_getSelectedIndex(panel), 0);
+
+   Panel_prune(panel);
+
+   char* env = Platform_getProcessEnv(Process_getPid(this->process));
+   if (env) {
+      for (const char* p = env; *p; p = strrchr(p, 0) + 1)
+         InfoScreen_addLine(this, p);
+      free(env);
+   }
+   else {
+      InfoScreen_addLine(this, "Could not read process environment.");
+   }
+
+   Vector_insertionSort(this->lines);
+   Vector_insertionSort(panel->items);
+   Panel_setSelected(panel, idx);
+}
+
+const InfoScreenClass EnvScreen_class = {
+   .super = {
+      .extends = Class(Object),
+      .delete = EnvScreen_delete
+   },
+   .scan = EnvScreen_scan,
+   .draw = EnvScreen_draw
+};