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fix regressions on macos

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This commit is contained in:
Andrew Kelley
2019-03-07 13:04:10 -05:00
parent ffaa4f0a87
commit e2ce00f272
5 changed files with 44 additions and 68 deletions
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10
src/os.cpp
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@@ -1414,13 +1414,17 @@ static void init_rand() {
if (fd == -1) {
zig_panic("unable to open /dev/urandom");
}
const char bytes[sizeof(unsigned)];
unsigned seed;
while (read(fd, bytes, sizeof(unsigned)) == -1) {
char bytes[sizeof(unsigned)];
size_t amt_read;
while ((amt_read = read(fd, bytes, sizeof(unsigned))) == -1) {
if (errno == EINTR) continue;
zig_panic("unable to read /dev/urandom");
}
if (amt_read != sizeof(unsigned)) {
zig_panic("unable to read enough bytes from /dev/urandom");
}
close(fd);
unsigned seed;
memcpy(&seed, bytes, sizeof(unsigned));
srand(seed);
#endif