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    Contents of /trunk/mkinitrd-magellan/klibc/usr/klibc/getmntent.c

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    Revision 1122 - (show annotations) (download)
    Wed Aug 18 21:11:40 2010 UTC (13 years, 9 months ago) by niro
    File MIME type: text/plain
    File size: 1208 byte(s) 
    -updated to klibc-1.5.19
    1 #include <stdio.h>
    2 #include <stdlib.h>
    3 #include <string.h>
    4 #include <mntent.h>
    5
    6 #define BUFLEN 1024
    7
    8 struct mntent *getmntent_r(FILE *fp, struct mntent *mntbuf, char *buf,
    9 int buflen)
    10 {
    11 char *line = NULL, *saveptr = NULL;
    12 const char *sep = " \t\n";
    13
    14 if (!fp || !mntbuf || !buf)
    15 return NULL;
    16
    17 while ((line = fgets(buf, buflen, fp)) != NULL) {
    18 if (buf[0] == '#' || buf[0] == '\n')
    19 continue;
    20 break;
    21 }
    22
    23 if (!line)
    24 return NULL;
    25
    26 mntbuf->mnt_fsname = strtok_r(buf, sep, &saveptr);
    27 if (!mntbuf->mnt_fsname)
    28 return NULL;
    29
    30 mntbuf->mnt_dir = strtok_r(NULL, sep, &saveptr);
    31 if (!mntbuf->mnt_fsname)
    32 return NULL;
    33
    34 mntbuf->mnt_type = strtok_r(NULL, sep, &saveptr);
    35 if (!mntbuf->mnt_type)
    36 return NULL;
    37
    38 mntbuf->mnt_opts = strtok_r(NULL, sep, &saveptr);
    39 if (!mntbuf->mnt_opts)
    40 mntbuf->mnt_opts = "";
    41
    42 line = strtok_r(NULL, sep, &saveptr);
    43 mntbuf->mnt_freq = !line ? 0 : atoi(line);
    44
    45 line = strtok_r(NULL, sep, &saveptr);
    46 mntbuf->mnt_passno = !line ? 0 : atoi(line);
    47
    48 return mntbuf;
    49 }
    50
    51 struct mntent *getmntent(FILE *fp)
    52 {
    53 static char *buf = NULL;
    54 static struct mntent mntbuf;
    55
    56 buf = malloc(BUFLEN);
    57 if (!buf)
    58 perror("malloc");
    59
    60 return getmntent_r(fp, &mntbuf, buf, BUFLEN);
    61 }