n_module.c File Reference

Load a shared library at runtime and find its symbols. More...

#include <stdio.h>
#include <string.h>
#include "nilorea/n_module.h"
#include <dlfcn.h>

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Data Structures
struct	N_MODULE
	an opened shared library More...

Functions
static void	_n_module_set_error (const char *what, const char *subject)
	helper: record why what failed on subject, in the system's words
int	n_module_close (N_MODULE **module)
	Close a library and free its handle.
const char *	n_module_error (void)
	What the system said about this thread's last failed call.
const char *	n_module_extension (void)
	The file extension shared libraries have on this platform.
N_MODULE *	n_module_open (const char *path)
	Open a shared library.
void *	n_module_symbol (N_MODULE *module, const char *name)
	Find a symbol in an opened library.

Variables
static __thread char	_n_module_last_error [512] = ""
	the last failure on this thread, as the system worded it

Detailed Description

Load a shared library at runtime and find its symbols.

Author

Castagnier Mickael

Version

1.0

Date

24/09/2026

Definition in file n_module.c.

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Data Structure Documentation

N_MODULE

struct N_MODULE

an opened shared library

an opened shared library.

Opaque: make it with n_module_open(), release it with n_module_close().

Examples

ex_module.c.

Definition at line 40 of file n_module.c.

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Data Fields
void *	handle	dlopen handle, or HMODULE

Function Documentation

_n_module_set_error()

void _n_module_set_error ( const char * what, const char * subject )

static

helper: record why what failed on subject, in the system's words

Definition at line 49 of file n_module.c.

References _n_module_last_error, LOG_DEBUG, n_log, and N_MODULE_ERROR_MAX.

Referenced by n_module_close(), n_module_open(), and n_module_symbol().

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Variable Documentation

_n_module_last_error

__thread char _n_module_last_error[512] = ""

static

the last failure on this thread, as the system worded it

Definition at line 46 of file n_module.c.

Referenced by _n_module_set_error(), n_module_error(), n_module_open(), and n_module_symbol().