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authorEric Andersen <andersen@codepoet.org>1999-12-05 23:24:55 +0000
committerEric Andersen <andersen@codepoet.org>1999-12-05 23:24:55 +0000
commit0ecb54a0f3fece5e42f089036f059973bed8d87e (patch)
treee25c3d29c9c92fed488e03459b2aee558b1a8d25 /utility.c
parent14ec6cf3c224d53219b2713b0040dfa03314d5b3 (diff)
downloadbusybox-0ecb54a0f3fece5e42f089036f059973bed8d87e.tar.gz
Stuf
Diffstat (limited to 'utility.c')
-rw-r--r--utility.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/utility.c b/utility.c
index a38ef86fb..81bff18e7 100644
--- a/utility.c
+++ b/utility.c
@@ -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> }