[psaux] Correctly handle sequences of multiple number signs. * src/psaux/psconv.c (PS_Conv_Strtol, PS_Conv_ToFixed): Return zero if we encounter more than a single sign.
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diff --git a/ChangeLog b/ChangeLog
index 8a66677..9c79afe 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2017-05-30 Werner Lemberg <wl@gnu.org>
+
+ [psaux] Correctly handle sequences of multiple number signs.
+
+ * src/psaux/psconv.c (PS_Conv_Strtol, PS_Conv_ToFixed): Return zero
+ if we encounter more than a single sign.
+
2017-05-29 Werner Lemberg <wl@gnu.org>
[pcf] 32bit integer overflow run-time errors (#46149).
diff --git a/src/psaux/psconv.c b/src/psaux/psconv.c
index b092482..d125b08 100644
--- a/src/psaux/psconv.c
+++ b/src/psaux/psconv.c
@@ -111,6 +111,10 @@
p++;
if ( p == limit )
goto Bad;
+
+ /* only a single sign is allowed */
+ if ( *p == '-' || *p == '+' )
+ return 0;
}
num_limit = 0x7FFFFFFFL / base;
@@ -215,6 +219,10 @@
p++;
if ( p == limit )
goto Bad;
+
+ /* only a single sign is allowed */
+ if ( *p == '-' || *p == '+' )
+ return 0;
}
/* read the integer part */