Psnuser.c

int psn_login(const char *email, const char *password) !password) return -1; // Simulate network delay printf("[PSN] Authenticating %s...\n", email);

psn_shutdown(); return 0;

psn_sync_trophies(); psn_logout();

| Return code | Meaning | |-------------|--------------------------| | 0 | Success | | -1 | Generic error | | -2 | Invalid credentials | | -3 | Session expired | | -4 | Network error (stub) | psnuser.c

out[len - 1] = '\0';

static int validate_token(const char *token) // Dummy check – in real code, compare with server-side signature return (token && strlen(token) > 10);

if (psn_login("user@example.com", "pass") != 0) fprintf(stderr, "Login failed\n"); return; int psn_login(const char *email, const char *password)

#include "psnuser.h" #include <stdio.h> #include <stdlib.h> #include <string.h> #include <time.h> // Static / internal data static PsnUser g_current_user = 0; static PsnSession g_active_session = 0; static int g_is_logged_in = 0;

Always check return values:

const char *psn_get_session_token(void) if (!psn_is_session_valid()) return NULL; return g_active_session.session_token; int psn_login(const char *email

printf("[PSN] Logged out.\n"); int psn_is_session_valid(void) if (!g_is_logged_in) return 0; if (time(NULL) >= g_active_session.expires_at) printf("[PSN] Session expired.\n"); return 0; return 1;

static void generate_session_id(char *out, size_t len) const char charset[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"; for (size_t i = 0; i < len - 1; i++) out[i] = charset[rand() % (sizeof(charset) - 1)];