diff options
Diffstat (limited to 'sysdeps/unix')
| -rw-r--r-- | sysdeps/unix/sysv/linux/i386/get_clockfreq.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/get_clockfreq.c b/sysdeps/unix/sysv/linux/i386/get_clockfreq.c index ec6c174421..4d7303ab26 100644 --- a/sysdeps/unix/sysv/linux/i386/get_clockfreq.c +++ b/sysdeps/unix/sysv/linux/i386/get_clockfreq.c @@ -1,5 +1,5 @@ /* Get frequency of the system processor. i386/Linux version. - Copyright (C) 2000 Free Software Foundation, Inc. + Copyright (C) 2000, 2001 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -30,6 +30,8 @@ __get_clockfreq (void) /* We read the information from the /proc filesystem. It contains at least one line like cpu MHz : 497.840237 + or also + cpu MHz : 497.841 We search for this line and convert the number in an integer. */ static unsigned long long int result; int fd; @@ -54,6 +56,8 @@ __get_clockfreq (void) if (__builtin_expect (mhz != NULL, 1)) { char *endp = buf + n; + int seen_decpoint = 0; + int ndigits = 0; /* Search for the beginning of the string. */ while (mhz < endp && (*mhz < '0' || *mhz > '9') && *mhz != '\n') @@ -65,10 +69,18 @@ __get_clockfreq (void) { result *= 10; result += *mhz - '0'; + if (seen_decpoint) + ++ndigits; } + else if (*mhz == '.') + seen_decpoint = 1; ++mhz; } + + /* Compensate for missing digits at the end. */ + while (ndigits++ < 6) + result *= 10; } } |