patches/glibc/ports-2.10.1/500-alpha-add-getsystats-support.patch
author "Yann E. MORIN" <yann.morin.1998@free.fr>
Mon Feb 13 21:47:25 2012 +0100 (2012-02-13)
changeset 2883 cea814c9932a
permissions -rw-r--r--
libc/glibc: do not consume parameters when parsing them

Currently, there are two constructs used to parse arguments in
glibc backends, one that consumes args as they are parsed, and
one that does not.

Always use the construct that does not eat args as they are parsed.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
     1 2009-05-16  Aurelien Jarno  <aurelien@aurel32.net>
     2 
     3         * sysdeps/unix/sysv/linux/alpha/getsysstats.c (GET_NPROCS_PARSER):
     4         Change parameters and use next_line.
     5 
     6  ports/sysdeps/unix/sysv/linux/alpha/getsysstats.c |    5 +++--
     7  1 file changed, 3 insertions(+), 2 deletions(-)
     8 
     9 diff -durN glibc-2.10.1.orig/glibc-ports-2.10.1/sysdeps/unix/sysv/linux/alpha/getsysstats.c glibc-2.10.1/glibc-ports-2.10.1/sysdeps/unix/sysv/linux/alpha/getsysstats.c
    10 --- glibc-2.10.1.orig/glibc-ports-2.10.1/sysdeps/unix/sysv/linux/alpha/getsysstats.c	2009-05-16 10:36:20.000000000 +0200
    11 +++ glibc-2.10.1/glibc-ports-2.10.1/sysdeps/unix/sysv/linux/alpha/getsysstats.c	2009-11-13 00:51:07.000000000 +0100
    12 @@ -20,15 +20,16 @@
    13  
    14  
    15  /* We need to define a special parser for /proc/cpuinfo.  */
    16 -#define GET_NPROCS_PARSER(FP, BUFFER, RESULT)				   \
    17 +#define GET_NPROCS_PARSER(FD, BUFFER, CP, RE, BUFFER_END, RESULT)	   \
    18    do									   \
    19      {									   \
    20        /* Find the line that contains the information about the number of   \
    21  	 active cpus.  We don't have to fear extremely long lines since	   \
    22  	 the kernel will not generate them.  8192 bytes are really enough. \
    23  	 If there is no "CPUs ..." line then we are on a UP system.  */	   \
    24 +      char *l;								   \
    25        (RESULT) = 1;							   \
    26 -      while (fgets_unlocked (BUFFER, sizeof (BUFFER), FP) != NULL)	   \
    27 +      while ((l = next_line (FD, BUFFER, &CP, &RE, BUFFER_END)) != NULL)  \
    28  	if ((sscanf (BUFFER, "cpus active : %d", &(RESULT)) == 1)	   \
    29  	    || (sscanf (BUFFER, "CPUs probed %*d active %d",		   \
    30  			&(RESULT)) == 1))  				   \
    31 diff -durN glibc-2.10.1.orig/ports/sysdeps/unix/sysv/linux/alpha/getsysstats.c glibc-2.10.1/ports/sysdeps/unix/sysv/linux/alpha/getsysstats.c