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Index Page appndc_c

Table of contents

Procedure Abstract Required_Reading Keywords Brief_I/O Detailed_Input | Detailed_Output Parameters Exceptions Files Particulars Examples | Restrictions Literature_References Author_and_Institution Version Index_Entries

#### Procedure

       appndc_c ( Append an item to a character cell )

       void appndc_c ( ConstSpiceChar   * item,
                       SpiceCell        * cell  )

#### Abstract

       Append an item to a character cell.

#### Required_Reading

       CELLS

#### Keywords

       CELLS

#### Brief_I/O

       VARIABLE  I/O  DESCRIPTION
       --------  ---  --------------------------------------------------
       item       I   The item to append.
       cell      I-O  The cell to which item will be appended.

#### Detailed_Input

       item        is a character string which is to be appended to `cell'.

       cell        is a character SPICE cell to which `item' will be
                   appended.

                   `cell' must be declared as a character SpiceCell.

                   CSPICE provides the following macro, which declares and
                   initializes the cell

                      SPICECHAR_CELL          ( cell, CELLSZ, CELLMLEN );

                   where CELLSZ is the maximum capacity of `cell' and CELLMLEN is
                   the maximum length of any member in the character cell.

#### Detailed_Output

       cell        is the input cell with `item' appended. `item' is the last
                   member of `cell'.

                   If `cell' is actually a SPICE set on input and ceases to
                   qualify as a set as result of the append operation,
                   the `isSet' member of `cell' will be set to SPICEFALSE.

#### Parameters

       None.

#### Exceptions

       1)  If the input cell argument is a SpiceCell of type other than
           character, the error SPICE(TYPEMISMATCH) is signaled.

       2)  If the cell is not large enough to accommodate the addition
           of a new element, the error SPICE(CELLTOOSMALL) is signaled.

       3)  If the length of the item is longer than the length of the
           cell, `item' is truncated on the right.

       4)  If on input cell is actually a SPICE set, that is, it contains sorted
           elements with no duplicates, and if item is not strictly greater than
           the last element, on output the `isSet' member of cell will be set to
           SPICEFALSE. This case is not considered an error.

       5)  If the input string pointer is null, the error SPICE(NULLPOINTER)
           is signaled.

#### Files

       None.

#### Particulars

       None.

#### Examples

       1) In the following example, the item "PLUTO" is appended to
          the character cell planets. planets is declared with
          string length NAMLEN.

             #include "SpiceUsr.h"
                    .
                    .
                    .
             /.
             Declare the cell with string length NAMLEN and with maximum
             number of elements MAXSIZ.
             ./
             SPICECHAR_CELL ( planets, MAXSIZ, NAMLEN );
                    .
                    .
                    .
             /.
             Before appending "PLUTO", suppose the cell planets' data array
             contains:

                Element 0: == "MERCURY"
                Element 1: == "VENUS"
                Element 2: == "EARTH"
                Element 3: == "MARS"
                Element 4: == "JUPITER"
                Element 5: == "SATURN"
                Element 6: == "URANUS"
                Element 7: == "NEPTUNE"

             Append the string "PLUTO" at index 8, and update the
             cell's cardinality.
             ./

             appndc_c ( "PLUTO", &planets );

             /.
             The cell's data array now has the contents

                Element 0: == "MERCURY"
                Element 1: == "VENUS"
                Element 2: == "EARTH"
                Element 3: == "MARS"
                Element 4: == "JUPITER"
                Element 5: == "SATURN"
                Element 6: == "URANUS"
                Element 7: == "NEPTUNE"
                Element 8: == "PLUTO"
             ./

#### Restrictions

       1)  String comparisons performed by this routine are Fortran-style:
           trailing blanks in the input array or key value are ignored.
           This gives consistent behavior with CSPICE code generated by
           the f2c translator, as well as with the Fortran SPICE Toolkit.

           Note that this behavior is not identical to that of the ANSI
           C library functions strcmp and strncmp.

#### Literature_References

       None.

#### Author_and_Institution

       N.J. Bachman        (JPL)
       J. Diaz del Rio     (ODC Space)
       H.A. Neilan         (JPL)

#### Version

       -CSPICE Version 1.1.1, 27-AUG-2021 (JDR)

           Edited the header to comply with NAIF standard.

           Extended description of argument "cell" in -Detailed_Input to include
           type and preferred declaration method.

       -CSPICE Version 1.1.0, 07-MAR-2009 (NJB)

           This file now includes the header file f2cMang.h.
           This header supports name mangling of f2c library
           functions.

           Header sections were re-ordered.

       -CSPICE Version 1.0.0, 21-AUG-2002 (NJB) (HAN)

#### Index_Entries

       append an item to a character cell

#### Link to routine appndc_c source file appndc_c.c

    Fri Dec 31 18:41:01 2021