61 lines
1.2 KiB
C
61 lines
1.2 KiB
C
/* Part of libvboxfs - (c) 2012, D.C. van Moolenbroek */
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#include "inc.h"
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/*
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* Store a local path name in the given path object, performing any necessary
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* conversions. The path object is expected to be used read-only, so the size
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* of the path object is set as small as possible. If 'name' is NULL, the path
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* will be initialized to the empty string.
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*/
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int
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vboxfs_set_path(vboxfs_path_t *path, char *name)
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{
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size_t len;
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len = strlen(name);
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/* FIXME: missing UTF-8 conversion */
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if (len >= sizeof(path->data))
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return ENAMETOOLONG;
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strcpy(path->data, name);
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path->len = len;
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path->size = len + 1;
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return OK;
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}
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/*
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* Retrieve the path name from the given path object. Make sure the name fits
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* in the given name buffer first. The given size must include room for a
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* terminating null character.
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*/
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int
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vboxfs_get_path(vboxfs_path_t *path, char *name, size_t size)
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{
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/* FIXME: missing UTF-8 conversion */
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if (path->len >= size)
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return ENAMETOOLONG;
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assert(path->data[path->len] == 0);
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strcpy(name, path->data);
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return OK;
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}
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/*
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* Return the byte size of a previously initialized path object.
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*/
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size_t
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vboxfs_get_path_size(vboxfs_path_t *path)
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{
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return offsetof(vboxfs_path_t, data) + path->size;
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}
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