htop/EnvScreen.c

60 lines
1.4 KiB
C
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#include "EnvScreen.h"
#include "config.h"
#include "CRT.h"
#include "IncSet.h"
#include "ListItem.h"
#include "Platform.h"
#include "StringUtils.h"
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
InfoScreenClass EnvScreen_class = {
.super = {
.extends = Class(Object),
.delete = EnvScreen_delete
},
.scan = EnvScreen_scan,
.draw = EnvScreen_draw
};
EnvScreen* EnvScreen_new(Process* process) {
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EnvScreen* this = xMalloc(sizeof(EnvScreen));
Object_setClass(this, Class(EnvScreen));
return (EnvScreen*) InfoScreen_init(&this->super, process, NULL, LINES-3, " ");
}
void EnvScreen_delete(Object* this) {
free(InfoScreen_done((InfoScreen*)this));
}
void EnvScreen_draw(InfoScreen* this) {
InfoScreen_drawTitled(this, "Environment of process %d - %s", this->process->pid, this->process->comm);
}
void EnvScreen_scan(InfoScreen* this) {
Panel* panel = this->display;
int idx = MAX(Panel_getSelectedIndex(panel), 0);
Panel_prune(panel);
CRT_dropPrivileges();
char* env = Platform_getProcessEnv(this->process->pid);
CRT_restorePrivileges();
if (env) {
for (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);
}