1 files changed, 172 insertions, 0 deletions
diff --git a/release/src/router/busybox/include/xatonum.h b/release/src/router/busybox/include/xatonum.h
new file mode 100644
index 00000000..ee816efb
--- /dev/null
+++ b/release/src/router/busybox/include/xatonum.h
@@ -0,0 +1,172 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * ascii-to-numbers implementations for busybox
+ *
+ * Copyright (C) 2003  Manuel Novoa III  <mjn3@codepoet.org>
+ *
+ * Licensed under GPLv2, see file LICENSE in this tarball for details.
+ */
+
+PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
+
+/* Provides extern declarations of functions */
+#define DECLARE_STR_CONV(type, T, UT) \
+\
+unsigned type xstrto##UT##_range_sfx(const char *str, int b, unsigned type l, unsigned type u, const struct suffix_mult *sfx) FAST_FUNC; \
+unsigned type xstrto##UT##_range(const char *str, int b, unsigned type l, unsigned type u) FAST_FUNC; \
+unsigned type xstrto##UT##_sfx(const char *str, int b, const struct suffix_mult *sfx) FAST_FUNC; \
+unsigned type xstrto##UT(const char *str, int b) FAST_FUNC; \
+unsigned type xato##UT##_range_sfx(const char *str, unsigned type l, unsigned type u, const struct suffix_mult *sfx) FAST_FUNC; \
+unsigned type xato##UT##_range(const char *str, unsigned type l, unsigned type u) FAST_FUNC; \
+unsigned type xato##UT##_sfx(const char *str, const struct suffix_mult *sfx) FAST_FUNC; \
+unsigned type xato##UT(const char *str) FAST_FUNC; \
+type xstrto##T##_range_sfx(const char *str, int b, type l, type u, const struct suffix_mult *sfx) FAST_FUNC; \
+type xstrto##T##_range(const char *str, int b, type l, type u) FAST_FUNC; \
+type xato##T##_range_sfx(const char *str, type l, type u, const struct suffix_mult *sfx) FAST_FUNC; \
+type xato##T##_range(const char *str, type l, type u) FAST_FUNC; \
+type xato##T##_sfx(const char *str, const struct suffix_mult *sfx) FAST_FUNC; \
+type xato##T(const char *str) FAST_FUNC; \
+
+/* Unsigned long long functions always exist */
+DECLARE_STR_CONV(long long, ll, ull)
+
+
+/* Provides inline definitions of functions */
+/* (useful for mapping them to the type of the same width) */
+#define DEFINE_EQUIV_STR_CONV(narrow, N, W, UN, UW) \
+\
+static ALWAYS_INLINE \
+unsigned narrow xstrto##UN##_range_sfx(const char *str, int b, unsigned narrow l, unsigned narrow u, const struct suffix_mult *sfx) \
+{ return xstrto##UW##_range_sfx(str, b, l, u, sfx); } \
+static ALWAYS_INLINE \
+unsigned narrow xstrto##UN##_range(const char *str, int b, unsigned narrow l, unsigned narrow u) \
+{ return xstrto##UW##_range(str, b, l, u); } \
+static ALWAYS_INLINE \
+unsigned narrow xstrto##UN##_sfx(const char *str, int b, const struct suffix_mult *sfx) \
+{ return xstrto##UW##_sfx(str, b, sfx); } \
+static ALWAYS_INLINE \
+unsigned narrow xstrto##UN(const char *str, int b) \
+{ return xstrto##UW(str, b); } \
+static ALWAYS_INLINE \
+unsigned narrow xato##UN##_range_sfx(const char *str, unsigned narrow l, unsigned narrow u, const struct suffix_mult *sfx) \
+{ return xato##UW##_range_sfx(str, l, u, sfx); } \
+static ALWAYS_INLINE \
+unsigned narrow xato##UN##_range(const char *str, unsigned narrow l, unsigned narrow u) \
+{ return xato##UW##_range(str, l, u); } \
+static ALWAYS_INLINE \
+unsigned narrow xato##UN##_sfx(const char *str, const struct suffix_mult *sfx) \
+{ return xato##UW##_sfx(str, sfx); } \
+static ALWAYS_INLINE \
+unsigned narrow xato##UN(const char *str) \
+{ return xato##UW(str); } \
+static ALWAYS_INLINE \
+narrow xstrto##N##_range_sfx(const char *str, int b, narrow l, narrow u, const struct suffix_mult *sfx) \
+{ return xstrto##W##_range_sfx(str, b, l, u, sfx); } \
+static ALWAYS_INLINE \
+narrow xstrto##N##_range(const char *str, int b, narrow l, narrow u) \
+{ return xstrto##W##_range(str, b, l, u); } \
+static ALWAYS_INLINE \
+narrow xato##N##_range_sfx(const char *str, narrow l, narrow u, const struct suffix_mult *sfx) \
+{ return xato##W##_range_sfx(str, l, u, sfx); } \
+static ALWAYS_INLINE \
+narrow xato##N##_range(const char *str, narrow l, narrow u) \
+{ return xato##W##_range(str, l, u); } \
+static ALWAYS_INLINE \
+narrow xato##N##_sfx(const char *str, const struct suffix_mult *sfx) \
+{ return xato##W##_sfx(str, sfx); } \
+static ALWAYS_INLINE \
+narrow xato##N(const char *str) \
+{ return xato##W(str); } \
+
+/* If long == long long, then just map them one-to-one */
+#if ULONG_MAX == ULLONG_MAX
+DEFINE_EQUIV_STR_CONV(long, l, ll, ul, ull)
+#else
+/* Else provide extern defs */
+DECLARE_STR_CONV(long, l, ul)
+#endif
+
+/* Same for int -> [long] long */
+#if UINT_MAX == ULLONG_MAX
+DEFINE_EQUIV_STR_CONV(int, i, ll, u, ull)
+#elif UINT_MAX == ULONG_MAX
+DEFINE_EQUIV_STR_CONV(int, i, l, u, ul)
+#else
+DECLARE_STR_CONV(int, i, u)
+#endif
+
+/* Specialized */
+
+int BUG_xatou32_unimplemented(void);
+static ALWAYS_INLINE uint32_t xatou32(const char *numstr)
+{
+	if (UINT_MAX == 0xffffffff)
+		return xatou(numstr);
+	if (ULONG_MAX == 0xffffffff)
+		return xatoul(numstr);
+	return BUG_xatou32_unimplemented();
+}
+
+/* Non-aborting kind of convertors: bb_strto[u][l]l */
+
+/* On exit: errno = 0 only if there was non-empty, '\0' terminated value
+ * errno = EINVAL if value was not '\0' terminated, but otherwise ok
+ *    Return value is still valid, caller should just check whether end[0]
+ *    is a valid terminating char for particular case. OTOH, if caller
+ *    requires '\0' terminated input, [s]he can just check errno == 0.
+ * errno = ERANGE if value had alphanumeric terminating char ("1234abcg").
+ * errno = ERANGE if value is out of range, missing, etc.
+ * errno = ERANGE if value had minus sign for strtouXX (even "-0" is not ok )
+ *    return value is all-ones in this case.
+ */
+
+unsigned long long bb_strtoull(const char *arg, char **endp, int base) FAST_FUNC;
+long long bb_strtoll(const char *arg, char **endp, int base) FAST_FUNC;
+
+#if ULONG_MAX == ULLONG_MAX
+static ALWAYS_INLINE
+unsigned long bb_strtoul(const char *arg, char **endp, int base)
+{ return bb_strtoull(arg, endp, base); }
+static ALWAYS_INLINE
+long bb_strtol(const char *arg, char **endp, int base)
+{ return bb_strtoll(arg, endp, base); }
+#else
+unsigned long bb_strtoul(const char *arg, char **endp, int base) FAST_FUNC;
+long bb_strtol(const char *arg, char **endp, int base) FAST_FUNC;
+#endif
+
+#if UINT_MAX == ULLONG_MAX
+static ALWAYS_INLINE
+unsigned bb_strtou(const char *arg, char **endp, int base)
+{ return bb_strtoull(arg, endp, base); }
+static ALWAYS_INLINE
+int bb_strtoi(const char *arg, char **endp, int base)
+{ return bb_strtoll(arg, endp, base); }
+#elif UINT_MAX == ULONG_MAX
+static ALWAYS_INLINE
+unsigned bb_strtou(const char *arg, char **endp, int base)
+{ return bb_strtoul(arg, endp, base); }
+static ALWAYS_INLINE
+int bb_strtoi(const char *arg, char **endp, int base)
+{ return bb_strtol(arg, endp, base); }
+#else
+unsigned bb_strtou(const char *arg, char **endp, int base) FAST_FUNC;
+int bb_strtoi(const char *arg, char **endp, int base) FAST_FUNC;
+#endif
+
+int BUG_bb_strtou32_unimplemented(void);
+static ALWAYS_INLINE
+uint32_t bb_strtou32(const char *arg, char **endp, int base)
+{
+	if (sizeof(uint32_t) == sizeof(unsigned))
+		return bb_strtou(arg, endp, base);
+	if (sizeof(uint32_t) == sizeof(unsigned long))
+		return bb_strtoul(arg, endp, base);
+	return BUG_bb_strtou32_unimplemented();
+}
+
+/* Floating point */
+
+double bb_strtod(const char *arg, char **endp) FAST_FUNC;
+
+POP_SAVED_FUNCTION_VISIBILITY