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#include "ps.h"
#include <ctype.h>
#include <dirent.h>
#include <stdio.h>
#include <string.h>
void print_process_info(const char *pid) {
char path[256], line[256];
FILE *status_file;
snprintf(path, sizeof(path), "/proc/%s/status", pid);
status_file = fopen(path, "r");
if (!status_file) {
return;
}
printf("Process ID: %s\n", pid);
while (fgets(line, sizeof(line), status_file)) {
if (strncmp(line, "Name:", 5) == 0 || strncmp(line, "State:", 6) == 0 ||
strncmp(line, "PPid:", 5) == 0) {
printf("%s", line);
}
}
fclose(status_file);
printf("\n");
}
ps_status_t ps() {
DIR *proc_dir = opendir("/proc");
struct dirent *entry;
if (!proc_dir) {
perror("opendir");
return PS_ERR;
}
while ((entry = readdir(proc_dir))) {
if (entry->d_type == DT_DIR && isdigit(entry->d_name[0])) {
print_process_info(entry->d_name);
}
}
closedir(proc_dir);
return PS_OK;
}
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