From 0b44a0315b47dd8eced9f3b7f31580cf14bbfc01 Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Sat, 12 Feb 2011 00:22:29 -0500 Subject: initial check-in, version 0.5.0 --- src/linux/mntent.c | 57 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 src/linux/mntent.c (limited to 'src/linux/mntent.c') diff --git a/src/linux/mntent.c b/src/linux/mntent.c new file mode 100644 index 00000000..e3735666 --- /dev/null +++ b/src/linux/mntent.c @@ -0,0 +1,57 @@ +#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); +} -- cgit v1.2.1