62 lines
1.7 KiB
Diff
62 lines
1.7 KiB
Diff
diff -up mc-4.7.0/vfs/vfs.c.jn mc-4.7.0/vfs/vfs.c
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--- mc-4.7.0/vfs/vfs.c.jn 2009-10-12 13:57:18.000000000 +0200
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+++ mc-4.7.0/vfs/vfs.c 2009-10-12 14:34:04.000000000 +0200
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@@ -675,6 +675,9 @@ int
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mc_ctl (int handle, int ctlop, void *arg)
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{
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struct vfs_class *vfs = vfs_op (handle);
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+
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+ if (vfs == NULL)
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+ return 0;
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return vfs->ctl ? (*vfs->ctl)(vfs_info (handle), ctlop, arg) : 0;
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}
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@@ -708,6 +711,10 @@ mc_close (int handle)
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return -1;
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vfs = vfs_op (handle);
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+
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+ if (vfs == NULL)
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+ return -1;
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+
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if (handle < 3)
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return close (handle);
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@@ -798,6 +805,8 @@ mc_readdir (DIR *dirp)
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}
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handle = *(int *) dirp;
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vfs = vfs_op (handle);
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+ if (vfs == NULL)
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+ return NULL;
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dirinfo = vfs_info (handle);
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if (vfs->readdir) {
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entry = (*vfs->readdir) (dirinfo->info);
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@@ -820,6 +829,9 @@ mc_closedir (DIR *dirp)
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int result;
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struct vfs_dirinfo *dirinfo;
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+ if (vfs == NULL)
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+ return -1;
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+
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dirinfo = vfs_info (handle);
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if (dirinfo->converter != str_cnv_from_term) str_close_conv (dirinfo->converter);
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@@ -874,6 +886,8 @@ int mc_fstat (int handle, struct stat *b
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if (handle == -1)
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return -1;
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vfs = vfs_op (handle);
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+ if (vfs == NULL)
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+ return -1;
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result = vfs->fstat ? (*vfs->fstat) (vfs_info (handle), buf) : -1;
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if (result == -1)
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errno = vfs->name ? ferrno (vfs) : E_NOTSUPP;
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@@ -967,6 +981,8 @@ off_t mc_lseek (int fd, off_t offset, in
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return -1;
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vfs = vfs_op (fd);
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+ if (vfs == NULL)
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+ return -1;
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result = vfs->lseek ? (*vfs->lseek)(vfs_info (fd), offset, whence) : -1;
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if (result == -1)
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errno = vfs->lseek ? ferrno (vfs) : E_NOTSUPP;
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