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-rw-r--r--samples/c/sample3.c104
1 files changed, 104 insertions, 0 deletions
diff --git a/samples/c/sample3.c b/samples/c/sample3.c
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+/*************************************************************************
+ ** Sample3
+ ** Load sample.cfg and try to add a setting "foo"..
+ ** on success save to testfoo.cfg
+ *************************************************************************/
+
+#include <stdio.h>
+#include <libconfig.h>
+
+/***************************************************************************/
+
+/*
+ */
+
+int print_path(config_setting_t *setting)
+{
+ if(setting)
+ {
+ const char *name = config_setting_name(setting);
+
+ if(print_path(config_setting_parent(setting)))
+ putchar('.');
+
+ if(! config_setting_is_root(setting))
+ {
+ if(! name)
+ printf("[%d]", config_setting_index(setting));
+ else
+ printf(name);
+
+ return(1);
+ }
+ }
+
+ return(0);
+}
+
+/*
+ */
+
+int main()
+{
+ struct config_t cfg;
+ config_setting_t *setting = NULL;
+ int i;
+
+ do
+ {
+ /* Initialize the configuration */
+ config_init(&cfg);
+
+ /* Load the file */
+ printf("loading [sample.cfg]...");
+ if (!config_read_file(&cfg, "sample.cfg"))
+ {
+ puts("failed");
+ break;
+ }
+
+ puts("ok");
+
+ /* Add setting "foo" */
+ printf("add setting \"foo\"...");
+ setting = config_setting_add(cfg.root, "foo", CONFIG_TYPE_INT);
+ if (!setting)
+ {
+ puts("failed");
+ break;
+ }
+
+ config_setting_set_int(setting, 1234);
+ puts("ok");
+
+ /** Look up an array element */
+ printf("looking up array element...");
+ setting = config_lookup(&cfg, "arrays.values.[0]");
+ if(! setting)
+ {
+ puts("failed");
+ break;
+ }
+
+ printf("value is: %d\n", config_setting_get_int(setting));
+ printf("path is: ");
+ print_path(setting);
+ putchar('\n');
+
+ /* Save to "samplefoo.cfg" */
+ printf("saving [samplefoo.cfg]...");
+ config_write_file(&cfg, "samplefoo.cfg");
+ puts("ok");
+
+ puts("Done!");
+ }
+ while(0);
+
+ /* Free the configuration */
+ config_destroy(&cfg);
+
+ return 0;
+}
+
+
+/***************************************************************************/