Add some more stuff -- {get|set}mntent, getline, getdelim, etc.

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;
+}