eb773054e
Denys Vlasenko
2020-11-29
Subject
libbb: code shrink
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libbb/xfuncs_printf.c+3 -6
| @@ -633,14 +633,11 @@ void FAST_FUNC generate_uuid(uint8_t *buf) | |
| pid_t pid; | |
| int i; | |
| - | i = open("/dev/urandom", O_RDONLY); |
| - | if (i >= 0) { |
| - | read(i, buf, 16); |
| - | close(i); |
| - | } |
| + | open_read_close("/dev/urandom", buf, 16); |
| /* Paranoia. /dev/urandom may be missing. | |
| * rand() is guaranteed to generate at least [0, 2^15) range, | |
| - | * but lowest bits in some libc are not so "random". */ |
| + | * but lowest bits in some libc are not so "random". |
| + | */ |
| srand(monotonic_us()); /* pulls in printf */ | |
| pid = getpid(); | |
| while (1) { | |