X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Finternal%2Fintscan.c;h=a4a5ae861282863035a492ce8db0e18d4acfe3ac;hb=ba18c1ecc6a18203ad8496791154af86f706f632;hp=178cdf0dcec056d11d47803040e7af9d74fa03b5;hpb=cb81b6947c0277a6a27ddc699d716e9cf2b524aa;p=musl

diff --git a/src/internal/intscan.c b/src/internal/intscan.c
index 178cdf0d..a4a5ae86 100644
--- a/src/internal/intscan.c
+++ b/src/internal/intscan.c
@@ -1,5 +1,6 @@
 #include <limits.h>
 #include <errno.h>
+#include <ctype.h>
 #include "shgetc.h"
 
 /* Lookup table for digit values. -1==255>=36 -> invalid */
@@ -28,7 +29,7 @@ unsigned long long __intscan(FILE *f, unsigned base, int pok, unsigned long long
 	int c, neg=0;
 	unsigned x;
 	unsigned long long y;
-	if (base > 36) {
+	if (base > 36 || base == 1) {
 		errno = EINVAL;
 		return 0;
 	}
@@ -82,6 +83,7 @@ unsigned long long __intscan(FILE *f, unsigned base, int pok, unsigned long long
 		for (; val[c]<base; c=shgetc(f));
 		errno = ERANGE;
 		y = lim;
+		if (lim&1) neg = 0;
 	}
 done:
 	shunget(f);