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reading negative size is wrong, zero is ok

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Love Hornquist Astrand
2009-09-25 14:53:31 -07:00
parent 9bace01559
commit ec263fc5a4
1 changed files with 3 additions and 1 deletions
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4
lib/hcrypto/rand-unix.c
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@@ -95,8 +95,10 @@ unix_bytes(unsigned char *outdata, int size)
ssize_t count; ssize_t count;
int once = 0; int once = 0;
if (size <= 0) if (size < 0)
return 0; return 0;
else if (size == 0)
return 1;
HEIMDAL_MUTEX_lock(&random_mutex); HEIMDAL_MUTEX_lock(&random_mutex);
if (random_fd == -1) { if (random_fd == -1) {