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nfqws2: fix sz=0 case in fill_random_bytes

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bol-van
2026-02-06 14:58:24 +03:00
parent 8a5643851d
commit 392e1cc1ef
1 changed files with 8 additions and 5 deletions
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13
nfq2/helpers.c
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@@ -456,11 +456,14 @@ bool file_open_test(const char *filename, int flags)
void fill_random_bytes(uint8_t *p,size_t sz) void fill_random_bytes(uint8_t *p,size_t sz)
{ {
size_t k; size_t k;
// alignment if (sz)
if ((size_t)p & 1) { *p=(uint8_t)random(); sz--; p++; } {
// random has only 31 bits of entropy. not 32 bits // alignment
for (k=0 ; (k+1)<sz ; k+=2) *(uint16_t*)(p+k) = (uint16_t)random(); if ((size_t)p & 1) { *p=(uint8_t)random(); sz--; p++; }
if (sz & 1) p[sz-1]=(uint8_t)random(); // random has only 31 bits of entropy. not 32 bits
for (k=0 ; (k+1)<sz ; k+=2) *(uint16_t*)(p+k) = (uint16_t)random();
if (sz & 1) p[sz-1]=(uint8_t)random();
}
} }
void fill_random_az(uint8_t *p,size_t sz) void fill_random_az(uint8_t *p,size_t sz)
{ {