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This commit is contained in:
Eric Andersen
1999-12-05 23:24:55 +00:00
parent 14ec6cf3c2
commit 0ecb54a0f3
12 changed files with 66 additions and 61 deletions
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15
utility.c
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@ -36,12 +36,16 @@
#include <unistd.h>
#include <ctype.h>
#ifdef BB_MTAB
const char mtab_file[] = "/etc/mtab";
#else
#if defined BB_MOUNT || defined BB_UMOUNT || defined BB_DF
# if defined BB_FEATURE_USE_PROCFS
const char mtab_file[] = "/proc/mounts";
#endif
# else
# if defined BB_MTAB
const char mtab_file[] = "/etc/mtab";
# else
# error With (BB_MOUNT||BB_UMOUNT||BB_DF) defined, you must define either BB_MTAB or BB_FEATURE_USE_PROCFS
# endif
# endif
#endif
@ -56,6 +60,9 @@ extern void usage(const char *usage)
#if defined (BB_INIT) || defined (BB_PS)
#if ! defined BB_FEATURE_USE_PROCFS
#error Sorry, I depend on the /proc filesystem right now.
#endif
/* Returns kernel version encoded as major*65536 + minor*256 + patch,
* so, for example, to check if the kernel is greater than 2.2.11:
* if (get_kernel_revision() <= 2*65536+2*256+11) { <stuff> }