feat: add hello
This commit is contained in:
parent
b2b64614ee
commit
97b94d4761
|
@ -0,0 +1,33 @@
|
||||||
|
# Example application configuration file
|
||||||
|
|
||||||
|
version = "1.0";
|
||||||
|
|
||||||
|
application:
|
||||||
|
{
|
||||||
|
window:
|
||||||
|
{
|
||||||
|
title = "My Application";
|
||||||
|
size = { w = 640; h = 480; };
|
||||||
|
pos = { x = 350; y = 250; };
|
||||||
|
};
|
||||||
|
|
||||||
|
list = ( ( "abc", 123, true ), 1.234, ( /* an empty list */ ) );
|
||||||
|
|
||||||
|
books = ( { title = "Treasure Island";
|
||||||
|
author = "Robert Louis Stevenson";
|
||||||
|
price = 29.95;
|
||||||
|
qty = 5; },
|
||||||
|
{ title = "Snow Crash";
|
||||||
|
author = "Neal Stephenson";
|
||||||
|
price = 9.99;
|
||||||
|
qty = 8; } );
|
||||||
|
|
||||||
|
misc:
|
||||||
|
{
|
||||||
|
pi = 3.141592654;
|
||||||
|
bigint = 9223372036854775807L;
|
||||||
|
columns = [ "Last Name", "First Name", "MI" ];
|
||||||
|
bitmask = 0x1FC3; // hex
|
||||||
|
umask = 0027; // octal. Range limited to that of "int"
|
||||||
|
};
|
||||||
|
};
|
|
@ -0,0 +1,46 @@
|
||||||
|
// An example configuration file that stores information about a store.
|
||||||
|
|
||||||
|
// Basic store information:
|
||||||
|
name = "Books, Movies & More";
|
||||||
|
|
||||||
|
// Store inventory:
|
||||||
|
inventory =
|
||||||
|
{
|
||||||
|
books = ( { title = "Treasure Island";
|
||||||
|
author = "Robert Louis Stevenson";
|
||||||
|
price = 29.99;
|
||||||
|
qty = 5; },
|
||||||
|
{ title = "Snow Crash";
|
||||||
|
author = "Neal Stephenson";
|
||||||
|
price = 9.99;
|
||||||
|
qty = 8; }
|
||||||
|
);
|
||||||
|
|
||||||
|
movies = ( { title = "Brazil";
|
||||||
|
media = "DVD";
|
||||||
|
price = 19.99;
|
||||||
|
qty = 11; },
|
||||||
|
{ title = "The City of Lost Children";
|
||||||
|
media = "DVD";
|
||||||
|
price = 18.99;
|
||||||
|
qty = 5; },
|
||||||
|
{ title = "Memento";
|
||||||
|
media = "Blu-Ray";
|
||||||
|
price = 24.99;
|
||||||
|
qty = 20;
|
||||||
|
},
|
||||||
|
{ title = "Howard the Duck"; }
|
||||||
|
);
|
||||||
|
};
|
||||||
|
|
||||||
|
// Store hours:
|
||||||
|
hours =
|
||||||
|
{
|
||||||
|
mon = { open = 9; close = 18; };
|
||||||
|
tue = { open = 9; close = 18; };
|
||||||
|
wed = { open = 9; close = 18; };
|
||||||
|
thu = { open = 9; close = 18; };
|
||||||
|
fri = { open = 9; close = 20; };
|
||||||
|
sat = { open = 9; close = 20; };
|
||||||
|
sun = { open = 11; close = 16; };
|
||||||
|
};
|
|
@ -0,0 +1,103 @@
|
||||||
|
#include <stdio.h>
|
||||||
|
//for use of exit()
|
||||||
|
#include <stdlib.h>
|
||||||
|
//for use of libconfig
|
||||||
|
#include <libconfig.h>
|
||||||
|
|
||||||
|
int main(int argc, char *argv[]) {
|
||||||
|
fprintf(stdout,"main() Started...\n");
|
||||||
|
|
||||||
|
/*read command line*/
|
||||||
|
if (argc > 1){
|
||||||
|
printf("main() argv[1]: %s\n", argv[1]);
|
||||||
|
}else{
|
||||||
|
fprintf(stderr, "Usage: %s <path to config file>\n", argv[0]);
|
||||||
|
exit(1);
|
||||||
|
}
|
||||||
|
|
||||||
|
config_t cfg;
|
||||||
|
config_setting_t *setting;
|
||||||
|
const char *str;
|
||||||
|
|
||||||
|
/*initialise new and EMPTY config*/
|
||||||
|
config_init(&cfg);
|
||||||
|
|
||||||
|
/* Read the file. If there is an error, report it and exit. */
|
||||||
|
if(! config_read_file(&cfg, argv[1]))
|
||||||
|
{
|
||||||
|
fprintf(stderr, "%s:%d - %s\n", config_error_file(&cfg),
|
||||||
|
config_error_line(&cfg), config_error_text(&cfg));
|
||||||
|
/*destroy config, BUT NOT the structure*/
|
||||||
|
config_destroy(&cfg);
|
||||||
|
return(EXIT_FAILURE);
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Get the store name. */
|
||||||
|
if(config_lookup_string(&cfg, "name", &str))
|
||||||
|
printf("Store name: %s\n\n", str);
|
||||||
|
else
|
||||||
|
fprintf(stderr, "No 'name' setting in configuration file.\n");
|
||||||
|
|
||||||
|
/* Output a list of all books in the inventory. */
|
||||||
|
setting = config_lookup(&cfg, "inventory.books");
|
||||||
|
if(setting != NULL)
|
||||||
|
{
|
||||||
|
int count = config_setting_length(setting);
|
||||||
|
fprintf(stdout, "count: %d\n", count);
|
||||||
|
int i;
|
||||||
|
|
||||||
|
printf("%-30s %-30s %-6s %s\n", "TITLE", "AUTHOR", "PRICE", "QTY");
|
||||||
|
|
||||||
|
for(i = 0; i < count; ++i)
|
||||||
|
{
|
||||||
|
config_setting_t *book = config_setting_get_elem(setting, i);
|
||||||
|
|
||||||
|
/* Only output the record if all of the expected fields are present. */
|
||||||
|
const char *title, *author;
|
||||||
|
double price;
|
||||||
|
int qty;
|
||||||
|
|
||||||
|
if(!(config_setting_lookup_string(book, "title", &title)
|
||||||
|
&& config_setting_lookup_string(book, "author", &author)
|
||||||
|
&& config_setting_lookup_float(book, "price", &price)
|
||||||
|
&& config_setting_lookup_int(book, "qty", &qty)))
|
||||||
|
continue;
|
||||||
|
|
||||||
|
printf("%-30s %-30s $%6.2f %3d\n", title, author, price, qty);
|
||||||
|
}
|
||||||
|
putchar('\n');
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Output a list of all movies in the inventory. */
|
||||||
|
setting = config_lookup(&cfg, "inventory.movies");
|
||||||
|
if(setting != NULL)
|
||||||
|
{
|
||||||
|
unsigned int count = config_setting_length(setting);
|
||||||
|
fprintf(stdout, "count: %d\n", count);
|
||||||
|
unsigned int i;
|
||||||
|
|
||||||
|
printf("%-30s %-10s %-6s %s\n", "TITLE", "MEDIA", "PRICE", "QTY");
|
||||||
|
for(i = 0; i < count; ++i)
|
||||||
|
{
|
||||||
|
config_setting_t *movie = config_setting_get_elem(setting, i);
|
||||||
|
|
||||||
|
/* Only output the record if all of the expected fields are present. */
|
||||||
|
const char *title, *media;
|
||||||
|
double price;
|
||||||
|
int qty;
|
||||||
|
|
||||||
|
if(!(config_setting_lookup_string(movie, "title", &title)
|
||||||
|
&& config_setting_lookup_string(movie, "media", &media)
|
||||||
|
&& config_setting_lookup_float(movie, "price", &price)
|
||||||
|
&& config_setting_lookup_int(movie, "qty", &qty)))
|
||||||
|
continue;
|
||||||
|
|
||||||
|
printf("%-30s %-10s $%6.2f %3d\n", title, media, price, qty);
|
||||||
|
}
|
||||||
|
putchar('\n');
|
||||||
|
}
|
||||||
|
|
||||||
|
config_destroy(&cfg);
|
||||||
|
fprintf(stdout,"main() Done.\n");
|
||||||
|
return(EXIT_SUCCESS);
|
||||||
|
}
|
|
@ -0,0 +1,24 @@
|
||||||
|
# Docu
|
||||||
|
#
|
||||||
|
#$@ is the name of the file to be made
|
||||||
|
#$? is the names of the changed dependents
|
||||||
|
#$< the name of the related file that caused the action
|
||||||
|
#$* the prefix shared by target and dependent files
|
||||||
|
#
|
||||||
|
# Others
|
||||||
|
RM = /bin/rm -f
|
||||||
|
#
|
||||||
|
# Source, Executable, Includes, Library Defines
|
||||||
|
EXE = main
|
||||||
|
#
|
||||||
|
# Compiler, Linker Defines
|
||||||
|
CC = /usr/bin/gcc
|
||||||
|
#
|
||||||
|
all: main.o
|
||||||
|
$(CC) main.c -L/usr/lib/x86_64-linux-gnu -lconfig -Wall -o $(EXE)
|
||||||
|
#
|
||||||
|
main.o:
|
||||||
|
$(CC) -c main.c
|
||||||
|
# Clean Up Objects, Exectuables, Dumps out of source directory
|
||||||
|
clean:
|
||||||
|
$(RM) *.o $(EXE) *~
|
|
@ -0,0 +1,23 @@
|
||||||
|
* install dependencies on Debian Bullseye
|
||||||
|
|
||||||
|
```
|
||||||
|
sudo apt install libconfig-dev --no-install-recommends
|
||||||
|
```
|
||||||
|
|
||||||
|
* build
|
||||||
|
|
||||||
|
```
|
||||||
|
make clean all
|
||||||
|
```
|
||||||
|
|
||||||
|
* cleanup
|
||||||
|
|
||||||
|
```
|
||||||
|
make clean
|
||||||
|
```
|
||||||
|
|
||||||
|
* run
|
||||||
|
|
||||||
|
```
|
||||||
|
./main
|
||||||
|
```
|
Loading…
Reference in New Issue