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get_linux_version_code: don't fail on Linux version strints like "3.0-foo"

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Signed-off-by: Andreas Oberritter <obi@opendreambox.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Andreas Oberritter 2012-05-05 17:47:23 +02:00 committed by Denys Vlasenko
parent 3da46c8163
commit 556ac3633c
1 changed files with 4 additions and 7 deletions
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11
libbb/kernel_version.c
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@ -20,18 +20,15 @@
int FAST_FUNC get_linux_version_code(void) int FAST_FUNC get_linux_version_code(void)
{ {
struct utsname name; struct utsname name;
char *s; char *s, *t;
int i, r; int i, r;
if (uname(&name) == -1) { uname(&name); /* never fails */
bb_perror_msg("can't get system information");
return 0;
}
s = name.release; s = name.release;
r = 0; r = 0;
for (i = 0; i < 3; i++) { for (i = 0; i < 3; i++) {
r = r * 256 + atoi(strtok(s, ".")); t = strtok(s, ".");
r = r * 256 + (t ? atoi(t) : 0);
s = NULL; s = NULL;
} }
return r; return r;