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Add wrapper to throw compiler warning for deprecated funcs #122

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Add wrapper to throw compiler warning for deprecated funcs #122

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Add wrapper to throw compiler warning for deprecated funcs
jhiemstrawisc May 18, 2023
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jhiemstrawisc May 18, 2023
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26 changes: 22 additions & 4 deletions src/scitokens.h
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,21 @@ extern "C" {
#include <time.h>
#endif

// Set up a wrapper macro to warn compiler of soon-to-be-deprecated functions
#if __cplusplus >= 201402L
#if defined(__has_cpp_attribute)
#if __has_cpp_attribute(deprecated)
#define DEPRECATION_WARNING(msg, func) [[deprecated(msg)]] func
#endif
#endif
#else
#ifdef __GNUC__
#define DEPRECATION_WARNING(msg, func) func __attribute__((deprecated(msg)))
#elif defined(_MSC_VER)
#define DEPRECATION_WARNING(msg, func) __declspec(deprecated(msg)) func
#endif
#endif

typedef void *SciTokenKey;
typedef void *SciToken;
typedef void *Validator;
Expand Down Expand Up @@ -294,8 +309,10 @@ int keycache_set_jwks(const char *issuer, const char *jwks, char **err_msg);
* APIs for managing scitokens configuration parameters.
*/

// On its way to deprecation
int config_set_int(const char *key, int value, char **err_msg);
// On its way to deprecation. API wrapped in deprecation warning
DEPRECATION_WARNING("Use scitoken_ prefixed version instead",
int config_set_int(const char *key, int value,
char **err_msg));

/**
* Update scitokens int parameters.
Expand All @@ -305,8 +322,9 @@ int config_set_int(const char *key, int value, char **err_msg);
*/
int scitoken_config_set_int(const char *key, int value, char **err_msg);

// on its way to deprecation
int config_get_int(const char *key, char **err_msg);
// On its way to deprecation. API wrapped in deprecation warning
DEPRECATION_WARNING("Use scitoken_ prefixed version instead",
int config_get_int(const char *key, char **err_msg));

/**
* Get current scitokens int parameters.
Expand Down