1 files changed, 52 insertions, 0 deletions

diff --git a/swapoff.c b/swapoff.c
new file mode 100644
index 000000000..55124d0b8
--- /dev/null
+++ b/swapoff.c
@@ -0,0 +1,52 @@
+#include <sys/swap.h>
+#include <string.h>
+#include <errno.h>
+#include <mntent.h>
+#include "internal.h"
+
+const char      swapoff_usage[] = "swapoff block-device\n"
+"\n"
+"\tStop swapping virtual memory pages on the given device.\n";
+
+extern int
+swapoff_fn(const struct FileInfo * i)
+{
+        struct mntent   entries[100];
+        int          count = 0;
+        FILE *    swapsTable = setmntent("/etc/swaps", "r");
+        struct mntent * m;
+
+        if (!(swapoff(i->source))) {
+                if ( swapsTable == 0 ) {
+                        fprintf(stderr, "/etc/swaps: %s\n", strerror(errno));
+                        return 1;
+                }
+                while ( (m = getmntent(swapsTable)) != 0 ) {
+                        entries[count].mnt_fsname = strdup(m->mnt_fsname);
+                        entries[count].mnt_dir = strdup(m->mnt_dir);
+                        entries[count].mnt_type = strdup(m->mnt_type);
+                        entries[count].mnt_opts = strdup(m->mnt_opts);
+                        entries[count].mnt_freq = m->mnt_freq;
+                        entries[count].mnt_passno = m->mnt_passno;
+                        count++;
+                }
+                endmntent(swapsTable);
+                if ( (swapsTable = setmntent("/etc/swaps", "w")) ) {
+                        int     id;
+                        for ( id = 0; id < count; id++ ) {
+                                int result = 
+                                 (strcmp(entries[id].mnt_fsname, i->source)==0
+                                 ||strcmp(entries[id].mnt_dir, i->source)==0);
+                                if ( result )
+                                        continue;
+                                else
+                                        addmntent(swapsTable, &entries[id]);
+                        }
+                        endmntent(swapsTable);
+                }
+                else if ( errno != EROFS )
+                        fprintf(stderr, "/etc/swaps: %s\n", strerror(errno));
+                return (0);
+        }
+        return (-1);
+}