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