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sanity check on return value

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JacobBarthelmeh
2022-09-26 10:40:41 -07:00
parent cc4e8df56d
commit 1e348eb7bd
1 changed files with 10 additions and 5 deletions
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7
wolfcrypt/src/sp_int.c
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@ -15631,17 +15631,22 @@ int sp_todecimal(sp_int* a, char* str)
i = 0;
while (!sp_iszero(t)) {
sp_div_d(t, 10, t, &d);
err = sp_div_d(t, 10, t, &d);
if (err != MP_OKAY) {
break;
}
str[i++] = (char)('0' + d);
}
str[i] = '\0';
if (err == MP_OKAY) {
for (j = 0; j <= (i - 1) / 2; j++) {
int c = (unsigned char)str[j];
str[j] = str[i - 1 - j];
str[i - 1 - j] = (char)c;
}
}
}
FREE_SP_INT(t, NULL);
}