Fix sme warnings...

3 files changed, 17 insertions, 8 deletions

diff --git a/src/kernel/core/kmain.c b/src/kernel/core/kmain.c
index 38336a9..d09a1b5 100644
--- a/src/kernel/core/kmain.c
+++ b/src/kernel/core/kmain.c
@@ -190,6 +190,9 @@ void kernel_init_stage2(void* data) {
 	dbg_printf("Reached kmain end! I'll just stop here and do nothing.\n");
 }
 
+void _parse_cmdline_iter(void* a, void* b) {
+	dbg_printf("  '%s'  ->  '%s'\n", a, b);
+}
 btree_t *parse_cmdline(const char* x) {
 	btree_t *ret = create_btree(str_key_cmp_fun, free_key_val);
 	ASSERT(ret != 0);
@@ -219,10 +222,7 @@ btree_t *parse_cmdline(const char* x) {
 		}
 	}
 
-	void iter(void* a, void* b) {
-		dbg_printf("  '%s'  ->  '%s'\n", a, b);
-	}
-	btree_iter(ret, iter);
+	btree_iter(ret, _parse_cmdline_iter);
 	
 	return ret;
 }
diff --git a/src/kernel/core/kmalloc.c b/src/kernel/core/kmalloc.c
index 95347b3..985df41 100644
--- a/src/kernel/core/kmalloc.c
+++ b/src/kernel/core/kmalloc.c
@@ -2,6 +2,7 @@
 
 #include <slab_alloc.h>
 #include <mutex.h>
+#include <string.h>
 
 #include <frame.h>
 #include <paging.h>
@@ -77,6 +78,8 @@ void* malloc0(size_t sz) {
 }
 
 void* malloc(size_t sz) {
+	if (sz == 0) return 0;
+
 	void* res;
 	int tries = 0;
 
@@ -88,6 +91,12 @@ void* malloc(size_t sz) {
 	return res;
 }
 
+void* calloc(size_t nmemb, size_t sz) {
+	void* r = malloc(nmemb * sz);
+	if (r != 0) memset(r, 0, nmemb * sz);
+	return r;
+}
+
 void free(void* ptr) {
 	mutex_lock(&malloc_mutex);
 	slab_free(kernel_allocator, ptr);
diff --git a/src/kernel/core/thread.c b/src/kernel/core/thread.c
index f2ddf9b..37226ae 100644
--- a/src/kernel/core/thread.c
+++ b/src/kernel/core/thread.c
@@ -337,13 +337,13 @@ bool wait_on_many(void** x, size_t n) {
 	return true;
 }
 
+void _usleep_resume_on_v(void* x) {
+	resume_on(x);
+}
 void usleep(int usecs) {
 	if (current_thread == 0) return;
 
-	void resume_on_v(void* x) {
-		resume_on(x);
-	}
-	bool ok = worker_push_in(usecs, resume_on_v, current_thread);
+	bool ok = worker_push_in(usecs, _usleep_resume_on_v, current_thread);
 
 	if (ok) wait_on(current_thread);
 }