#include #include #include FILE *setmntent(const char *name, const char *mode) { return fopen(name, mode); } int endmntent(FILE *f) { fclose(f); return 1; } struct mntent *getmntent(FILE *f) { static char linebuf[256]; static struct mntent mnt; int cnt, n[8]; mnt.mnt_freq = 0; mnt.mnt_passno = 0; do { fgets(linebuf, sizeof linebuf, f); if (feof(f)) return NULL; cnt = sscanf(linebuf, " %n%*s%n %n%*s%n %n%*s%n %n%*s%n %d %d", n, n+1, n+2, n+3, n+4, n+5, n+6, n+7, &mnt.mnt_freq, &mnt.mnt_passno); } while (cnt >= 8 && linebuf[n[0]] != '#'); linebuf[n[1]] = 0; linebuf[n[3]] = 0; linebuf[n[5]] = 0; linebuf[n[7]] = 0; mnt.mnt_fsname = linebuf+n[0]; mnt.mnt_dir = linebuf+n[2]; mnt.mnt_type = linebuf+n[4]; mnt.mnt_opts = linebuf+n[6]; return &mnt; } int addmntent(FILE *f, const struct mntent *mnt) { fseek(f, 0, SEEK_END); return fprintf(f, "%s\t%s\t%s\t%s\t%d\t%d\n", mnt->mnt_fsname, mnt->mnt_dir, mnt->mnt_type, mnt->mnt_opts, mnt->mnt_freq, mnt->mnt_passno) < 0; } char *hasmntopt(const struct mntent *mnt, const char *opt) { return strstr(mnt->mnt_opts, opt); }