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Patch from Claus Klein to increase, and make more apparent

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the hard coded limit on the number of mounts
This commit is contained in:
Eric Andersen 2004-10-08 08:57:35 +00:00
parent abf58d6ba5
commit a62665b72f
1 changed files with 4 additions and 2 deletions
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6
libbb/mtab.c
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@ -27,11 +27,12 @@
#include <mntent.h> #include <mntent.h>
#include "libbb.h" #include "libbb.h"
#define MTAB_MAX_ENTRIES 40
static const int MS_RDONLY = 1; /* Mount read-only. */ static const int MS_RDONLY = 1; /* Mount read-only. */
void erase_mtab(const char *name) void erase_mtab(const char *name)
{ {
struct mntent entries[20]; struct mntent entries[MTAB_MAX_ENTRIES];
int count = 0; int count = 0;
FILE *mountTable = setmntent(bb_path_mtab_file, "r"); FILE *mountTable = setmntent(bb_path_mtab_file, "r");
struct mntent *m; struct mntent *m;
@ -44,7 +45,8 @@ void erase_mtab(const char *name)
return; return;
} }
while ((m = getmntent(mountTable)) != 0) { while (((m = getmntent(mountTable)) != 0) && (count < MTAB_MAX_ENTRIES))
{
entries[count].mnt_fsname = strdup(m->mnt_fsname); entries[count].mnt_fsname = strdup(m->mnt_fsname);
entries[count].mnt_dir = strdup(m->mnt_dir); entries[count].mnt_dir = strdup(m->mnt_dir);
entries[count].mnt_type = strdup(m->mnt_type); entries[count].mnt_type = strdup(m->mnt_type);