Call a function in a shared library: Difference between revisions

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m (→‎{{header|Wren}}: Changed to Wren S/H)
m (→‎{{header|Wren}}: Capitalize Wren & C file names.)
 
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{{trans|C}}
{{trans|C}}
An embedded program so we can ask the C host to call the shared library function for us.
An embedded program so we can ask the C host to call the shared library function for us.
<syntaxhighlight lang="wren">/* call_shared_library_function.wren */
<syntaxhighlight lang="wren">/* Call_a_function_in_a_shared_library.wren */


var RTLD_LAZY = 1
var RTLD_LAZY = 1
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<br>
<br>
Finally, we embed the Wren script in the following C program, compile and run it:
Finally, we embed the Wren script in the following C program, compile and run it:
<syntaxhighlight lang="c">/* gcc call_shared_library_function.c -o call_shared_library_function -ldl -lwren -lm */
<syntaxhighlight lang="c">/* gcc Call_a_function_in_a_shared_library.c -o Call_a_function_in_a_shared_library -ldl -lwren -lm */


#include <stdio.h>
#include <stdio.h>
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WrenVM* vm = wrenNewVM(&config);
WrenVM* vm = wrenNewVM(&config);
const char* module = "main";
const char* module = "main";
const char* fileName = "call_shared_library_function.wren";
const char* fileName = "Call_a_function_in_a_shared_library.wren";
char *script = readFile(fileName);
char *script = readFile(fileName);
WrenInterpretResult result = wrenInterpret(vm, module, script);
WrenInterpretResult result = wrenInterpret(vm, module, script);
Retrieved from "https://rosettacode.org/wiki/Call_a_function_in_a_shared_library"