From eed77bd2970a00d1394ed027ceca5b646e4671ce Mon Sep 17 00:00:00 2001
From: Marvin Borner
Date: Wed, 17 Jun 2020 18:31:46 +0200
Subject: Started rewrite

---
 src/userspace/libc/stdlib/atoi.c   | 28 -------------------------
 src/userspace/libc/stdlib/exit.c   |  9 --------
 src/userspace/libc/stdlib/free.c   |  7 -------
 src/userspace/libc/stdlib/htoa.c   | 31 ---------------------------
 src/userspace/libc/stdlib/htoi.c   | 24 ---------------------
 src/userspace/libc/stdlib/itoa.c   | 43 --------------------------------------
 src/userspace/libc/stdlib/malloc.c |  7 -------
 7 files changed, 149 deletions(-)
 delete mode 100644 src/userspace/libc/stdlib/atoi.c
 delete mode 100644 src/userspace/libc/stdlib/exit.c
 delete mode 100644 src/userspace/libc/stdlib/free.c
 delete mode 100644 src/userspace/libc/stdlib/htoa.c
 delete mode 100644 src/userspace/libc/stdlib/htoi.c
 delete mode 100644 src/userspace/libc/stdlib/itoa.c
 delete mode 100644 src/userspace/libc/stdlib/malloc.c

(limited to 'src/userspace/libc/stdlib')

diff --git a/src/userspace/libc/stdlib/atoi.c b/src/userspace/libc/stdlib/atoi.c
deleted file mode 100644
index 80897eb..0000000
--- a/src/userspace/libc/stdlib/atoi.c
+++ /dev/null
@@ -1,28 +0,0 @@
-#include <math.h>
-#include <stddef.h>
-#include <stdint.h>
-#include <string.h>
-
-int atoi(char *str)
-{
-	u32 s_str = strlen(str);
-	if (!s_str)
-		return 0;
-
-	u32 negative = 0;
-	if (str[0] == '-')
-		negative = 1;
-
-	u32 i = 0;
-	if (negative)
-		i++;
-
-	int ret = 0;
-	for (; i < s_str; i++) {
-		ret += (str[i] - '0') * pow(10, (int)((s_str - i) - 1));
-	}
-
-	if (negative)
-		ret *= -1;
-	return ret;
-}
\ No newline at end of file
diff --git a/src/userspace/libc/stdlib/exit.c b/src/userspace/libc/stdlib/exit.c
deleted file mode 100644
index 03b54fe..0000000
--- a/src/userspace/libc/stdlib/exit.c
+++ /dev/null
@@ -1,9 +0,0 @@
-#include <stdint.h>
-#include <syscall.h>
-
-void exit(u32 code)
-{
-	syscall_exit(code);
-	while (1) {
-	};
-}
\ No newline at end of file
diff --git a/src/userspace/libc/stdlib/free.c b/src/userspace/libc/stdlib/free.c
deleted file mode 100644
index 65e9769..0000000
--- a/src/userspace/libc/stdlib/free.c
+++ /dev/null
@@ -1,7 +0,0 @@
-#include <stdint.h>
-#include <syscall.h>
-
-void free(void *addr)
-{
-	syscall_free((u32)addr);
-}
\ No newline at end of file
diff --git a/src/userspace/libc/stdlib/htoa.c b/src/userspace/libc/stdlib/htoa.c
deleted file mode 100644
index 2b7d5c4..0000000
--- a/src/userspace/libc/stdlib/htoa.c
+++ /dev/null
@@ -1,31 +0,0 @@
-#include <stdint.h>
-#include <stdlib.h>
-#include <string.h>
-
-static const char HTOA_TABLE[] = "0123456789ABCDEF";
-
-char *htoa(u32 n)
-{
-	char *ret = (char *)malloc(10);
-
-	int i = 0;
-	while (n) {
-		ret[i++] = HTOA_TABLE[n & 0xF];
-		n >>= 4;
-	}
-
-	if (!i) {
-		ret[0] = '0';
-		i++;
-	}
-
-	for (; i <= 9; i++)
-		ret[i] = 0;
-
-	char *aux = strdup(ret);
-	free(ret);
-	ret = aux;
-
-	strinv(ret);
-	return ret;
-}
\ No newline at end of file
diff --git a/src/userspace/libc/stdlib/htoi.c b/src/userspace/libc/stdlib/htoi.c
deleted file mode 100644
index 0d0ab30..0000000
--- a/src/userspace/libc/stdlib/htoi.c
+++ /dev/null
@@ -1,24 +0,0 @@
-#include <math.h>
-#include <stddef.h>
-#include <stdint.h>
-#include <string.h>
-
-int htoi(char *str)
-{
-	u32 s_str = strlen(str);
-
-	u32 i = 0;
-	int ret = 0;
-	for (; i < s_str; i++) {
-		char c = str[i];
-		int aux = 0;
-		if (c >= '0' && c <= '9')
-			aux = c - '0';
-		else if (c >= 'A' && c <= 'F')
-			aux = (c - 'A') + 10;
-
-		ret += aux * pow(16, (int)((s_str - i) - 1));
-	}
-
-	return ret;
-}
\ No newline at end of file
diff --git a/src/userspace/libc/stdlib/itoa.c b/src/userspace/libc/stdlib/itoa.c
deleted file mode 100644
index b960796..0000000
--- a/src/userspace/libc/stdlib/itoa.c
+++ /dev/null
@@ -1,43 +0,0 @@
-#include <math.h>
-#include <stdint.h>
-#include <stdlib.h>
-#include <string.h>
-
-static const char ITOA_TABLE[] = "0123456789";
-
-char *itoa(int n)
-{
-	if (!n) {
-		char *ret = (char *)malloc(2);
-		ret[0] = '0';
-		ret[1] = 0;
-		return ret;
-	}
-	u32 negative = (u32)(n < 0);
-	if (negative)
-		n *= -1;
-
-	int sz;
-	for (sz = 0; n % pow(10, sz) != n; sz++) {
-	}
-
-	char *ret = (char *)malloc((u32)(sz + 1));
-
-	for (int i = 0; i < sz; i++) {
-		int digit = (n % pow(10, i + 1)) / pow(10, i);
-		ret[i] = ITOA_TABLE[digit];
-	}
-	ret[sz] = 0;
-
-	if (negative) {
-		char *aux = (char *)malloc((u32)(sz + 2));
-		strcpy(aux, ret);
-		aux[sz] = '-';
-		aux[sz + 1] = 0;
-		free(ret);
-		ret = aux;
-	}
-
-	strinv(ret);
-	return ret;
-}
\ No newline at end of file
diff --git a/src/userspace/libc/stdlib/malloc.c b/src/userspace/libc/stdlib/malloc.c
deleted file mode 100644
index 5eb3caa..0000000
--- a/src/userspace/libc/stdlib/malloc.c
+++ /dev/null
@@ -1,7 +0,0 @@
-#include <stdint.h>
-#include <syscall.h>
-
-void *malloc(u32 size)
-{
-	return (void *)syscall_malloc(size);
-}
\ No newline at end of file
-- 
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