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p/version.c: osrelease for Cygwin

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On Cygwin systems use a different file and format to get the
OS version.

Thanks to procps Cygwin maintainer Achim!

Signed-off-by: Craig Small <csmall@dropbear.xyz>
This commit is contained in:
Craig Small 2022-04-11 17:30:25 +10:00
parent cb5fa94982
commit 4939a1da8d
1 changed files with 7 additions and 1 deletions
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8
proc/version.c
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@ -25,7 +25,13 @@
#include "misc.h"
#include "procps-private.h"
#ifdef __CYGWIN__
#define PROCFS_OSRELEASE "/proc/version"
#define PROCFS_OSPATTERN "%*s version %u.%u.%u"
#else
#define PROCFS_OSRELEASE "/proc/sys/kernel/osrelease"
#define PROCFS_OSPATTERN "%u.%u.%u"
#endif
/*
* procps_linux_version
@ -55,7 +61,7 @@ PROCPS_EXPORT int procps_linux_version(void)
return -EIO;
}
fclose(fp);
version_string_depth = sscanf(buf, "%u.%u.%u", &x, &y, &z);
version_string_depth = sscanf(buf, PROCFS_OSPATTERN, &x, &y, &z);
if ((version_string_depth < 2) || /* Non-standard for all known kernels */
((version_string_depth < 3) && (x < 3))) /* Non-standard for 2.x.x kernels */
return -ERANGE;