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Diffstat (limited to 'libc/misc/mntent/mntent.c')
-rw-r--r--libc/misc/mntent/mntent.c79
1 files changed, 79 insertions, 0 deletions
diff --git a/libc/misc/mntent/mntent.c b/libc/misc/mntent/mntent.c
new file mode 100644
index 000000000..2bdd3c7a6
--- /dev/null
+++ b/libc/misc/mntent/mntent.c
@@ -0,0 +1,79 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <mntent.h>
+
+
+
+struct mntent *getmntent(FILE * filep)
+{
+ char *cp, *sep = " \t\n";
+ static char buff[MNTMAXSTR];
+ static struct mntent mnt;
+
+ /* Loop on the file, skipping comment lines. - FvK 03/07/93 */
+ while ((cp = fgets(buff, sizeof buff, filep)) != NULL) {
+ if (buff[0] == '#' || buff[0] == '\n')
+ continue;
+ break;
+ }
+
+ /* At the EOF, the buffer should be unchanged. We should
+ * check the return value from fgets ().
+ */
+ if (cp == NULL)
+ return NULL;
+
+ mnt.mnt_fsname = strtok(buff, sep);
+ if (mnt.mnt_fsname == NULL)
+ return NULL;
+
+ mnt.mnt_dir = strtok(NULL, sep);
+ if (mnt.mnt_dir == NULL)
+ return NULL;
+
+ mnt.mnt_type = strtok(NULL, sep);
+ if (mnt.mnt_type == NULL)
+ return NULL;
+
+ mnt.mnt_opts = strtok(NULL, sep);
+ if (mnt.mnt_opts == NULL)
+ mnt.mnt_opts = "";
+
+ cp = strtok(NULL, sep);
+ mnt.mnt_freq = (cp != NULL) ? atoi(cp) : 0;
+
+ cp = strtok(NULL, sep);
+ mnt.mnt_passno = (cp != NULL) ? atoi(cp) : 0;
+
+ return &mnt;
+}
+
+int addmntent(FILE * filep, const struct mntent *mnt)
+{
+ if (fseek(filep, 0, SEEK_END) < 0)
+ return 1;
+
+ if (fprintf (filep, "%s %s %s %s %d %d\n", mnt->mnt_fsname, mnt->mnt_dir,
+ mnt->mnt_type, mnt->mnt_opts, mnt->mnt_freq, mnt->mnt_passno) < 1)
+ return 1;
+
+ return 0;
+}
+
+char *hasmntopt(const struct mntent *mnt, const char *opt)
+{
+ return strstr(mnt->mnt_opts, opt);
+}
+
+FILE *setmntent(const char *name, const char *mode)
+{
+ return fopen(name, mode);
+}
+
+int endmntent(FILE * filep)
+{
+ if (filep != NULL)
+ fclose(filep);
+ return 1;
+}