Issue #13088: Add shared Py_hexdigits constant to format a number into base 16
diff --git a/Modules/binascii.c b/Modules/binascii.c
index 19681b4..dc4fef5 100644
--- a/Modules/binascii.c
+++ b/Modules/binascii.c
@@ -1078,13 +1078,11 @@
/* make hex version of string, taken from shamodule.c */
for (i=j=0; i < arglen; i++) {
- char c;
+ unsigned char c;
c = (argbuf[i] >> 4) & 0xf;
- c = (c>9) ? c+'a'-10 : c + '0';
- retbuf[j++] = c;
+ retbuf[j++] = Py_hexdigits[c];
c = argbuf[i] & 0xf;
- c = (c>9) ? c+'a'-10 : c + '0';
- retbuf[j++] = c;
+ retbuf[j++] = Py_hexdigits[c];
}
PyBuffer_Release(&parg);
return retval;