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get-nprocs-cpu-online-parsing.patch
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File get-nprocs-cpu-online-parsing.patch of Package glibc
From b5eeca8cfd9d0fd92b5633a88901d9ff27f2b496 Mon Sep 17 00:00:00 2001 From: Andreas Schwab <schwab@linux-m68k.org> Date: Tue, 8 Dec 2020 19:17:41 +0100 Subject: [PATCH] Fix parsing of /sys/devices/system/cpu/online (bug 25859) The file contains comma-separated ranges, not spaces. --- sysdeps/unix/sysv/linux/getsysstats.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) Index: glibc-2.31/sysdeps/unix/sysv/linux/getsysstats.c =================================================================== --- glibc-2.31.orig/sysdeps/unix/sysv/linux/getsysstats.c +++ glibc-2.31/sysdeps/unix/sysv/linux/getsysstats.c @@ -143,6 +143,7 @@ __get_nprocs (void) char *re = buffer_end; const int flags = O_RDONLY | O_CLOEXEC; + /* This file contains comma-separated ranges. */ int fd = __open_nocancel ("/sys/devices/system/cpu/online", flags); char *l; int result = 0; @@ -175,10 +176,10 @@ __get_nprocs (void) result += m - n + 1; l = endp; - while (l < re && isspace (*l)) + if (l < re && *l == ',') ++l; } - while (l < re); + while (l < re && *l != '\n'); __close_nocancel_nostatus (fd);
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