fix unsigned warning in num_gmp_impl.h

10 years ago · 364fde65f6
parent 13e44df743
commit 364fde65f6
1 changed files with 1 additions and 1 deletions
--- a/src/num_gmp_impl.h
+++ b/src/num_gmp_impl.h
@ -279,7 +279,7 @@ void static secp256k1_num_set_hex(secp256k1_num_t *r, const char *a, int alen) {
        0, 0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,0,0,
        0, 0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,0,0
    };
-    char num[257] = {};
+    unsigned char num[257] = {};
    for (int i=0; i<alen; i++) {
        num[i] = cvt[a[i]];
    }