6 static char *internal_buf;
7 static size_t internal_bufsize;
9 #define SENTINEL (char *)&internal_buf
11 FILE *setmntent(const char *name, const char *mode)
13 return fopen(name, mode);
16 int endmntent(FILE *f)
22 struct mntent *getmntent_r(FILE *f, struct mntent *mnt, char *linebuf, int buflen)
24 int cnt, n[8], use_internal = (linebuf == SENTINEL);
31 getline(&internal_buf, &internal_bufsize, f);
32 linebuf = internal_buf;
34 fgets(linebuf, buflen, f);
36 if (feof(f) || ferror(f)) return 0;
37 if (!strchr(linebuf, '\n')) {
38 fscanf(f, "%*[^\n]%*[\n]");
42 cnt = sscanf(linebuf, " %n%*s%n %n%*s%n %n%*s%n %n%*s%n %d %d",
43 n, n+1, n+2, n+3, n+4, n+5, n+6, n+7,
44 &mnt->mnt_freq, &mnt->mnt_passno);
45 } while (cnt < 2 || linebuf[n[0]] == '#');
52 mnt->mnt_fsname = linebuf+n[0];
53 mnt->mnt_dir = linebuf+n[2];
54 mnt->mnt_type = linebuf+n[4];
55 mnt->mnt_opts = linebuf+n[6];
60 struct mntent *getmntent(FILE *f)
62 static struct mntent mnt;
63 return getmntent_r(f, &mnt, SENTINEL, 0);
66 int addmntent(FILE *f, const struct mntent *mnt)
68 if (fseek(f, 0, SEEK_END)) return 1;
69 return fprintf(f, "%s\t%s\t%s\t%s\t%d\t%d\n",
70 mnt->mnt_fsname, mnt->mnt_dir, mnt->mnt_type, mnt->mnt_opts,
71 mnt->mnt_freq, mnt->mnt_passno) < 0;
74 char *hasmntopt(const struct mntent *mnt, const char *opt)
76 return strstr(mnt->mnt_opts, opt);