dynamic_load.h

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#ifndef OPENTRACINGC_DYNAMIC_LOAD_H
#define OPENTRACINGC_DYNAMIC_LOAD_H

#include <opentracing-c/config.h>
#include <opentracing-c/tracer_factory.h>

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

typedef enum opentracing_dynamic_load_error_code {
    opentracing_dynamic_load_error_code_success = 0,

    opentracing_dynamic_load_error_code_failure = -1,

    opentracing_dynamic_load_error_code_not_supported = -2,

    opentracing_dynamic_load_error_code_incompatible_library_versions = -3
} opentracing_dynamic_load_error_code;

#ifdef OPENTRACINGC_HAVE_WEAK_SYMBOLS

opentracing_tracer_factory opentracing_make_tracer_factory(
    const char* opentracing_version,
    opentracing_dynamic_load_error_code* return_code,
    char* error_buffer,
    int error_buffer_length) OPENTRACINGC_WEAK;

#endif /* OPENTRACINGC_HAVE_WEAK_SYMBOLS */

typedef struct opentracing_library_handle {
    opentracing_tracer_factory factory;
    void* lib_handle;
} opentracing_library_handle;

void opentracing_library_handle_destroy(opentracing_library_handle* handle);

opentracing_dynamic_load_error_code
opentracing_dynamically_load_tracing_library(const char* lib,
                                             opentracing_library_handle* handle,
                                             char* error_buffer,
                                             int error_buffer_length)
    OPENTRACINGC_NONNULL(1, 2);

#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif /* OPENTRACINGC_DYNAMIC_LOAD_H */