proplib/prop_array1.c

   1 #include <err.h>
   2 #include <stdio.h>
   3 #include <stdlib.h>
   4 #include <prop/proplib.h>
   5
   6 int main(int argc, char *argv[])
   7 {
   8     /* Declare a pointer to a prop_array object
   9      * Note that prop_array_t is a pointer being
  10      * hidden inside a typedef, i.e.
  11      * typedef struct _prop_array *prop_array_t;
  12      */
  13     prop_array_t pa;
  14     prop_string_t ps;
  15     int i;
  16
  17     /* Create array object with initial capacity 10
  18      * Note that the array will expand on demand
  19      * by the prop_array_add() with `EXPAND_STEP' step
  20      * as defined in libprop/prop_array.c
  21      */
  22     pa = prop_array_create_with_capacity(10);
  23     if (pa == NULL)
  24         errx(EXIT_FAILURE, "prop_array_create_with_capacity()");
  25
  26     /* For every argument, create a prop_string_t object
  27      * that references it and store it in the array
  28      */
  29     for (i = 0; i < argc; i++) {
  30         ps = prop_string_create_cstring_nocopy(argv[i]);
  31         if (ps == NULL) {
  32             prop_object_release(pa);
  33             errx(EXIT_FAILURE, "prop_string_create_cstring_nocopy()");
  34         }
  35
  36         if (prop_array_add(pa, ps) == FALSE) {
  37             prop_object_release(pa);
  38             errx(EXIT_FAILURE, "prop_array_add()");
  39         }
  40
  41         prop_object_release(ps);
  42     }
  43
  44     /* Export array contents to file as XML */
  45     if (prop_array_externalize_to_file(pa, "./data.xml") == FALSE) {
  46         prop_object_release(pa);
  47         errx(EXIT_FAILURE, "prop_array_externalize_to_file()");
  48     }
  49
  50     /* Release array object */
  51     prop_object_release(pa);
  52
  53     return EXIT_SUCCESS;
  54 }