FEAT: VFS overhaul

src/userland/libc/stdlib.c

@@ -202,9 +202,27 @@ char* strcat(char *dest, const char *src) {
     return ret;
 }
 
+char *strchr(const char *s, int c) {
+    while (*s != (char)c) {
+        if (!*s++) return NULL;
+    }
+    return (char *)s;
+}
+
+char *strstr(const char *haystack, const char *needle) {
+    size_t needle_len = strlen(needle);
+    if (!needle_len) return (char *)haystack;
+    while (*haystack) {
+        if (memcmp(haystack, needle, needle_len) == 0) return (char *)haystack;
+        haystack++;
+    }
+    return NULL;
+}
+
 int atoi(const char *nptr) {
     int res = 0;
     int sign = 1;
+    while (*nptr == ' ' || *nptr == '\t' || *nptr == '\n' || *nptr == '\r') nptr++;
     if (*nptr == '-') {
         sign = -1;
         nptr++;

src/userland/libc/stdlib.h

@@ -11,11 +11,9 @@ void* realloc(void* ptr, size_t size);
 void *memset(void *s, int c, size_t n);
 void *memcpy(void *dest, const void *src, size_t n);
 
-// String functions
-size_t strlen(const char *s);
-int strcmp(const char *s1, const char *s2);
-char* strcpy(char *dest, const char *src);
-char* strcat(char *dest, const char *src);
+#include "string.h"
+
+// Math/Utility functions
 int atoi(const char *nptr);
 void itoa(int n, char *buf);
 

src/userland/libc/string.h

@@ -7,5 +7,11 @@ void *memmove(void *dest, const void *src, size_t n);
 int memcmp(const void *s1, const void *s2, size_t n);
 void *memcpy(void *dest, const void *src, size_t n);
 void *memset(void *s, int c, size_t n);
+char *strchr(const char *s, int c);
+char *strstr(const char *haystack, const char *needle);
+size_t strlen(const char *s);
+int strcmp(const char *s1, const char *s2);
+char* strcpy(char *dest, const char *src);
+char* strcat(char *dest, const char *src);
 
 #endif

src/userland/libc/syscall.c

@@ -251,10 +251,6 @@ void sys_yield(void) {
     syscall1(SYS_SYSTEM, SYSTEM_CMD_YIELD);
 }
 
-int sys_get_os_info(os_info_t *info) {
-    return (int)syscall5(SYS_SYSTEM, SYSTEM_CMD_GET_OS_INFO, (uint64_t)info, 0, 0, 0);
-}
-
 void sys_parallel_run(void (*fn)(void*), void **args, int count) {
     syscall5(SYS_SYSTEM, SYSTEM_CMD_PARALLEL_RUN, (uint64_t)fn, (uint64_t)args, (uint64_t)count, 0);
 }

src/userland/libc/syscall.h

@@ -44,8 +44,6 @@
 #define SYSTEM_CMD_REBOOT 12
 #define SYSTEM_CMD_SHUTDOWN 13
 #define SYSTEM_CMD_BEEP 14
-#define SYSTEM_CMD_MEMINFO 15
-#define SYSTEM_CMD_UPTIME 16
 #define SYSTEM_CMD_PCI_LIST 17
 #define SYSTEM_CMD_NETWORK_DHCP 18
 #define SYSTEM_CMD_NETWORK_GET_MAC 19
@@ -69,13 +67,10 @@
 #define SYSTEM_CMD_DNS_LOOKUP 37
 #define SYSTEM_CMD_SET_DNS 38
 #define SYSTEM_CMD_NET_UNLOCK 39
-#define SYSTEM_CMD_PROCESS_LIST 44
-#define SYSTEM_CMD_GET_CPU_MODEL 45
 #define SYSTEM_CMD_SLEEP 46
 #define SYSTEM_CMD_SET_RAW_MODE 41
 #define SYSTEM_CMD_TCP_RECV_NB 42
 #define SYSTEM_CMD_YIELD 43
-#define SYSTEM_CMD_GET_OS_INFO 49
 #define SYSTEM_CMD_PARALLEL_RUN 50
 
 // Internal assembly entry into Ring 0
@@ -137,6 +132,7 @@ typedef struct {
     char name[64];
     uint64_t ticks;
     size_t used_memory;
+    uint32_t is_idle;
 } ProcessInfo;
 
 // Network API