PROP_STRING(3)          NetBSD Library Functions Manual         PROP_STRING(3)

NAME
     prop_string, prop_string_create, prop_string_create_cstring,
     prop_string_create_cstring_nocopy, prop_string_copy,
     prop_string_copy_mutable, prop_string_size, prop_string_mutable,
     prop_string_cstring, prop_string_cstring_nocopy, prop_string_append,
     prop_string_append_cstring, prop_string_equals,
     prop_string_equals_cstring -- string value property object

LIBRARY
     Property Container Object Library (libprop, -lprop)

SYNOPSIS
     #include <prop/proplib.h>

     prop_string_t
     prop_string_create(void);

     prop_string_t
     prop_string_create_cstring(const char *cstring);

     prop_string_t
     prop_string_create_cstring_nocopy(const char *cstring);

     prop_string_t
     prop_string_copy(prop_string_t string);

     prop_string_t
     prop_string_copy_mutable(prop_string_t string);

     size_t
     prop_string_size(prop_string_t string);

     bool
     prop_string_mutable(prop_string_t string);

     char *
     prop_string_cstring(prop_string_t string);

     const char *
     prop_string_cstring_nocopy(prop_string_t string);

     bool
     prop_string_append(prop_string_t str1, prop_string_t str2);

     bool
     prop_string_append_cstring(prop_string_t string, const char *cstring);

     bool
     prop_string_equals(prop_string_t str1, prop_string_t str2);

     bool
     prop_string_equals_cstring(prop_string_t string, const char *cstring);

DESCRIPTION
     The prop_string family of functions operate on a string value property
     object type.

     prop_string_create(void)
            Create an empty mutable string.  Returns NULL on failure.

     prop_string_create_cstring(const char *cstring)
            Create a mutable string that contains a copy of cstring.  Returns
            NULL on failure.

     prop_string_create_cstring_nocopy(const char *cstring)
            Create an immutable string that contains a reference to cstring.
            Returns NULL on failure.

     prop_string_copy(prop_string_t string)
            Copy a string.  If the string being copied is an immutable exter-
            nal C string reference, then the copy is also immutable and refer-
            ences the same external C string.  Returns NULL on failure.

     prop_string_copy_mutable(prop_string_t string)
            Copy a string, always creating a mutable copy.  Returns NULL on
            failure.

     prop_string_size(prop_string_t string)
            Returns the size of the string, not including the terminating NUL.
            If the supplied object isn't a string, zero is returned.

     prop_string_mutable(prop_string_t string)
            Returns true if the string is mutable.  If the supplied object
            isn't a string, false is returned.

     prop_string_cstring(prop_string_t string)
            Returns a copy of the string's contents as a C string.  The caller
            is responsible for freeing the returned buffer.

            In user space, the buffer is allocated using malloc(3).  In the
            kernel, the buffer is allocated using malloc(9) using the malloc
            type M_TEMP.

            Returns NULL on failure.

     prop_string_cstring_nocopy(prop_string_t string)
            Returns an immutable reference to the contents of the string as a
            C string.  If the supplied object isn't a string, NULL is
            returned.

     prop_string_append(prop_string_t str1, prop_string_t str2)
            Append the contents of str2 to str1, which must be mutable.
            Returns true upon success and false otherwise.

     prop_string_append_cstring(prop_string_t string, const char *cstring)
            Append the C string cstring to string, which must be mutable.
            Returns true upon success and false otherwise.

     prop_string_equals(prop_string_t str1, prop_string_t str2)
            Returns true if the two string objects are equivalent.

     prop_string_equals_cstring(prop_string_t string, const char *cstring)
            Returns true if the string's value is equivalent to cstring.

SEE ALSO
     prop_array(3), prop_bool(3), prop_data(3), prop_dictionary(3),
     prop_number(3), prop_object(3), proplib(3)

HISTORY
     The proplib property container object library first appeared in
     NetBSD 4.0.

NetBSD 7.0                     January 21, 2008                     NetBSD 7.0

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