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libpkgconf: overhaul pkgconf_trace() a little

pull/116/head
William Pitcock 2017-02-04 19:49:59 -06:00
parent 9fc170bda5
commit d20efff495
2 changed files with 24 additions and 5 deletions
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15
libpkgconf/client.c
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@ -54,6 +54,7 @@ pkgconf_client_init(pkgconf_client_t *client, pkgconf_error_handler_func_t error
pkgconf_client_set_error_handler(client, error_handler, error_handler_data);
pkgconf_client_set_warn_handler(client, NULL, NULL);
if (client->trace_handler == NULL)
pkgconf_client_set_trace_handler(client, NULL, NULL);
pkgconf_path_build_from_environ("PKG_CONFIG_SYSTEM_LIBRARY_PATH", SYSTEM_LIBDIR, &client->filter_libdirs, false);
@ -273,25 +274,33 @@ pkgconf_warn(const pkgconf_client_t *client, const char *format, ...)
/*
* !doc
*
* .. c:function:: bool pkgconf_trace(const pkgconf_client_t *client, const char *format, ...)
* .. c:function:: bool pkgconf_trace(const pkgconf_client_t *client, const char *filename, size_t len, const char *funcname, const char *format, ...)
*
* Report a message to a client-registered trace handler.
*
* :param pkgconf_client_t* client: The pkgconf client object to report the trace message to.
* :param char* filename: The file the function is in.
* :param size_t lineno: The line number currently being executed.
* :param char* funcname: The function name to use.
* :param char* format: A printf-style format string to use for formatting the trace message.
* :return: true if the trace handler processed the message, else false.
* :rtype: bool
*/
bool
pkgconf_trace(const pkgconf_client_t *client, const char *format, ...)
pkgconf_trace(const pkgconf_client_t *client, const char *filename, size_t lineno, const char *funcname, const char *format, ...)
{
char errbuf[PKGCONF_BUFSIZE];
size_t len;
va_list va;
len = snprintf(errbuf, sizeof errbuf, "%s:%zu [%s]: ", filename, lineno, funcname);
va_start(va, format);
vsnprintf(errbuf, sizeof errbuf, format, va);
vsnprintf(errbuf + len, sizeof(errbuf) - len, format, va);
va_end(va);
pkgconf_strlcat(errbuf, "\n", sizeof errbuf);
return client->trace_handler(errbuf, client, client->trace_handler_data);
}

12
libpkgconf/libpkgconf.h
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@ -218,9 +218,19 @@ void pkgconf_client_set_trace_handler(pkgconf_client_t *client, pkgconf_error_ha
bool pkgconf_error(const pkgconf_client_t *client, const char *format, ...) PRINTFLIKE(2, 3);
bool pkgconf_warn(const pkgconf_client_t *client, const char *format, ...) PRINTFLIKE(2, 3);
bool pkgconf_trace(const pkgconf_client_t *client, const char *format, ...) PRINTFLIKE(2, 3);
bool pkgconf_trace(const pkgconf_client_t *client, const char *filename, size_t lineno, const char *funcname, const char *format, ...) PRINTFLIKE(5, 6);
bool pkgconf_default_error_handler(const char *msg, const pkgconf_client_t *client, const void *data);
#if defined(__GNUC__) || defined(__INTEL_COMPILER)
#define PKGCONF_TRACE(client, ...) do { \
pkgconf_trace(client, __FILE__, __LINE__, __PRETTY_FUNCTION__, __VA_ARGS__); \
} while (0);
#else
#define PKGCONF_TRACE(client, ...) do { \
pkgconf_trace(client, __FILE__, __LINE__, __func__, __VA_ARGS__); \
} while (0);
#endif
pkgconf_pkg_t *pkgconf_pkg_ref(const pkgconf_client_t *client, pkgconf_pkg_t *pkg);
void pkgconf_pkg_unref(pkgconf_client_t *client, pkgconf_pkg_t *pkg);
void pkgconf_pkg_free(pkgconf_client_t *client, pkgconf_pkg_t *pkg);