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Diffstat (limited to 'stdlib/strtol.c')
-rw-r--r--stdlib/strtol.c29
1 files changed, 23 insertions, 6 deletions
diff --git a/stdlib/strtol.c b/stdlib/strtol.c
index 2a2a8ea..3b073ce 100644
--- a/stdlib/strtol.c
+++ b/stdlib/strtol.c
@@ -105,6 +105,13 @@ extern int errno;
# endif
#else
# define LONG long
+
+#ifndef ULONG_MAX
+# define ULONG_MAX ((unsigned long) ~(unsigned long) 0)
+#endif
+#ifndef LONG_MAX
+# define LONG_MAX ((long int) (ULONG_MAX >> 1))
+#endif
#endif
#ifdef USE_WIDE_CHAR
@@ -128,8 +135,11 @@ extern int errno;
#ifdef __STDC__
# define INTERNAL(x) INTERNAL1(x)
# define INTERNAL1(x) __##x##_internal
+# define WEAKNAME(x) WEAKNAME1(x)
+# define WEAKNAME1(x) __##x
#else
# define INTERNAL(x) __/**/x/**/_internal
+# define WEAKNAME(x) __/**/x
#endif
#ifdef USE_NUMBER_GROUPING
@@ -290,8 +300,10 @@ INTERNAL (strtol) (nptr, endptr, base, group)
#if !UNSIGNED
/* Check for a value that is within the range of
`unsigned LONG int', but outside the range of `LONG int'. */
- if (i > (negative ?
- -(unsigned LONG int) LONG_MIN : (unsigned LONG int) LONG_MAX))
+ if (overflow == 0
+ && i > (negative
+ ? -((unsigned LONG int) (LONG_MIN + 1)) + 1
+ : (unsigned LONG int) LONG_MAX))
overflow = 1;
#endif
@@ -326,8 +338,13 @@ noconv:
/* External user entry point. */
+/* Prototype. */
+INT WEAKNAME (strtol) __P ((const STRING_TYPE *nptr, STRING_TYPE **endptr,
+ int base));
+
+
INT
-strtol (nptr, endptr, base)
+WEAKNAME (strtol) (nptr, endptr, base)
const STRING_TYPE *nptr;
STRING_TYPE **endptr;
int base;
@@ -335,9 +352,9 @@ strtol (nptr, endptr, base)
return INTERNAL (strtol) (nptr, endptr, base, 0);
}
-#ifdef weak_symbol
+#ifdef weak_alias
/* We need this indirection when `strtol' is defined as a macro
for one of the other names. */
-#define weak1(x) weak_symbol(x)
-weak1 (strtol)
+#define weak1(x, y) weak_alias (x, y)
+weak1 (WEAKNAME (strtol), strtol)
#endif