aboutsummaryrefslogtreecommitdiff
path: root/dlfcn
diff options
context:
space:
mode:
Diffstat (limited to 'dlfcn')
-rw-r--r--dlfcn/eval.c69
1 files changed, 65 insertions, 4 deletions
diff --git a/dlfcn/eval.c b/dlfcn/eval.c
index 1f9421d..a9fe648 100644
--- a/dlfcn/eval.c
+++ b/dlfcn/eval.c
@@ -1,5 +1,5 @@
/* You don't really want to know what this hack is for.
- Copyright (C) 1996, 1997, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1996, 1997, 2000, 2001 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -17,16 +17,77 @@
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
-#include <stdio.h>
+#include <assert.h>
#include <ctype.h>
+#include <dlfcn.h>
+#include <errno.h>
+#include <limits.h>
+#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
-#include <dlfcn.h>
static void *funcall (char **stringp);
static void *eval (char **stringp);
+
+long int weak_function
+__strtol_internal (const char *nptr, char **endptr, int base, int group)
+{
+ unsigned long int result = 0;
+ long int sign = 1;
+
+ while (*nptr == ' ' || *nptr == '\t')
+ ++nptr;
+
+ if (*nptr == '-')
+ {
+ sign = -1;
+ ++nptr;
+ }
+ else if (*nptr == '+')
+ ++nptr;
+
+ if (*nptr < '0' || *nptr > '9')
+ {
+ if (endptr != NULL)
+ *endptr = (char *) nptr;
+ return 0L;
+ }
+
+ assert (base == 0);
+ base = 10;
+ if (*nptr == '0')
+ {
+ if (nptr[1] == 'x' || nptr[1] == 'X')
+ {
+ base = 16;
+ nptr += 2;
+ }
+ else
+ base = 8;
+ }
+
+ while (*nptr >= '0' && *nptr <= '9')
+ {
+ unsigned long int digval = *nptr - '0';
+ if (result > LONG_MAX / 10
+ || (sign > 0 ? result == LONG_MAX / 10 && digval > LONG_MAX % 10
+ : (result == ((unsigned long int) LONG_MAX + 1) / 10
+ && digval > ((unsigned long int) LONG_MAX + 1) % 10)))
+ {
+ errno = ERANGE;
+ return sign > 0 ? LONG_MAX : LONG_MIN;
+ }
+ result *= base;
+ result += digval;
+ ++nptr;
+ }
+
+ return (long int) result * sign;
+}
+
+
static void *
funcall (char **stringp)
{
@@ -101,7 +162,7 @@ eval (char **stringp)
default:
/* Try to parse it as a number. */
- value = (void *) strtol (p, stringp, 0);
+ value = (void *) __strtol_internal (p, stringp, 0, 0);
if (*stringp != p)
return value;