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Fix up comments.

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This commit is contained in:
Kurt Zeilenga 1999-10-27 22:00:29 +00:00
parent 8d821f3904
commit 554f5b7aea
1 changed files with 7 additions and 5 deletions
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12
libraries/liblutil/entropy.c
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@ -81,8 +81,9 @@ int lutil_entropy( char *buf, int nbytes )
*/
/*
* the caller may be provide external synchronization OR
* provide entropy (in buf) to ensure quality results.
* the caller may need to provide external synchronization OR
* provide entropy (in buf) to ensure quality results as
* access to this counter may not be atomic.
*/
static int counter = 0;
int n;
@ -100,7 +101,8 @@ int lutil_entropy( char *buf, int nbytes )
#else
time_t time;
#endif
unsigned long junk;
unsigned long junk; /* purposely not initialized */
} rdata;
/* make sure rdata differs for each process */
@ -114,7 +116,7 @@ int lutil_entropy( char *buf, int nbytes )
struct lutil_MD5Context ctx;
char digest[16];
/* hopefully has good resolution */
/* poor resolution */
#ifdef HAVE_GETTIMEOFDAY
(void) gettimeofday( &rdata.tv, NULL );
#else
@ -129,7 +131,7 @@ int lutil_entropy( char *buf, int nbytes )
lutil_MD5Init( &ctx );
lutil_MD5Update( &ctx, (char *) &rdata, sizeof( rdata ) );
/* use caller to provided information */
/* allow caller to provided additional entropy */
lutil_MD5Update( &ctx, (char *) &buf, nbytes );
lutil_MD5Final( digest, &ctx );