fix mrand48/jrand48 return value on 64-bit archs · adfe682eb0 - Gogs

fix mrand48/jrand48 return value on 64-bit archs

POSIX specifies the result to have signed 32-bit range. on 32-bit
archs, the implicit conversion to long achieved the desired range
already, but when long is 64-bit, a cast is needed.

patch by Ed Schouten.

Rich Felker 8 years ago

parent

bfcf5735d0

commit

adfe682eb0

1 changed files with 1 additions and 1 deletions

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							+ 1
							
							- 1
						
src/prng/mrand48.c
							 
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				@@ -6,7 +6,7 @@ extern unsigned short __seed48[7];
			
				 long jrand48(unsigned short s[3])
			
				 {
			
				-	return __rand48_step(s, __seed48+3) >> 16;
			
				+	return (int32_t)(__rand48_step(s, __seed48+3) >> 16);
			
				 }
			
				 long mrand48(void)