libc: move the strto* functions to stdlib.h, where they "belong"

1 files changed, 1 insertions, 67 deletions

diff --git a/src/user/lib/string/string.c b/src/user/lib/string/string.c
index 7058573..28ab523 100644
--- a/src/user/lib/string/string.c
+++ b/src/user/lib/string/string.c
@@ -1,75 +1,9 @@
 #include <ctype.h>
 #include <errno.h>
+#include <stdlib.h>
 #include <string.h>
 #include <strings.h>
 
-static unsigned long long
-strton(const char *restrict s, char **restrict end, int base, int *sign)
-{
-	long res = 0;
-
-	while (isspace(*s)) s++;
-
-	if (sign) *sign = 1;
-	if (*s == '+') {
-		s++;
-	} else if (*s == '-') {
-		s++;
-		if (sign) *sign = -1;
-	}
-
-	if (base == 0) {
-		if (*s == '0') {
-			s++;
-			if (*s == 'x' || *s == 'X') {
-				s++;
-				base = 16;
-			} else {
-				base = 8;
-			}
-		} else {
-			base = 10;
-		}
-	}
-
-	for (;;) {
-		unsigned char digit = *s;
-		if      ('0' <= digit && digit <= '9') digit -= '0';
-		else if ('a' <= digit && digit <= 'z') digit -= 'a' - 10;
-		else if ('A' <= digit && digit <= 'Z') digit -= 'A' - 10;
-		else break;
-
-		if (digit >= base) break;
-		// TODO overflow check
-		res *= base;
-		res += digit;
-
-		s++;
-	}
-	if (end) *end = (void*)s;
-	return res;
-}
-
-long strtol(const char *restrict s, char **restrict end, int base) {
-	int sign;
-	long n = strton(s, end, base, &sign);
-	return n * sign;
-}
-
-unsigned long strtoul(const char *restrict s, char **restrict end, int base) {
-	return strton(s, end, base, NULL);
-}
-
-unsigned long long strtoull(const char *restrict s, char **restrict end, int base) {
-	return strton(s, end, base, NULL);
-}
-
-#include <bits/panic.h>
-double strtod(const char *restrict s, char **restrict end) {
-	(void)s; (void)end;
-	__libc_panic("unimplemented");
-}
-
 char *strchr(const char *s, int c) {
 	for (; *s; s++) {
 		if (*s == c) return (char *)s;