Add support for $pid_parent

[monky] / src / proc.c

diff --git a/src/proc.c b/src/proc.c
index 7030c05..2d19626 100644 (file)
--- a/src/proc.c
+++ b/src/proc.c
@@ -241,7 +241,35 @@ void print_pid_openfiles(struct text_object *obj, char *p, int p_max_size) {
        }
 }
 
+void print_pid_parent(struct text_object *obj, char *p, int p_max_size) {
+#define PARENT_ENTRY "PPid:\t"
+#define PARENTNOTFOUND "Can't find the process parent in '%s'"
+       char *begin, *end, *buf = NULL;
+       int bytes_read;
+
+       asprintf(&buf, PROCDIR "/%s/status", obj->data.s);
+       strcpy(obj->data.s, buf);
+       free(buf);
+       buf = readfile(obj->data.s, &bytes_read, 1);
+       if(buf != NULL) {
+               begin = strstr(buf, PARENT_ENTRY);
+               if(begin != NULL) {
+                       begin += strlen(PARENT_ENTRY);
+                       end = strchr(begin, '\n');
+                       if(end != NULL) {
+                               *(end) = 0;
+                       }
+                       snprintf(p, p_max_size, "%s", begin);
+               } else {
+                       NORM_ERR(PARENTNOTFOUND, obj->data.s);
+               }
+               free(buf);
+       }
+}
+
 void print_pid_state(struct text_object *obj, char *p, int p_max_size) {
+#define STATE_ENTRY "State:\t"
+#define STATENOTFOUND  "Can't find the process state in '%s'"
        char *begin, *end, *buf = NULL;
        int bytes_read;
 
@@ -255,7 +283,7 @@ void print_pid_state(struct text_object *obj, char *p, int p_max_size) {
                        begin += strlen(STATE_ENTRY) + 3;       // +3 will strip the char representing the short state and the space and '(' that follow
                        end = strchr(begin, '\n');
                        if(end != NULL) {
-                               *(end-1) = 0;
+                               *(end-1) = 0;   // -1 strips the ')'
                        }
                        snprintf(p, p_max_size, "%s", begin);
                } else {