162306a36Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0 262306a36Sopenharmony_ci#include "util.h" 362306a36Sopenharmony_ci#include "../util/debug.h" 462306a36Sopenharmony_ci#include <stdio.h> 562306a36Sopenharmony_ci 662306a36Sopenharmony_ci/* 762306a36Sopenharmony_ci * Default error logging functions 862306a36Sopenharmony_ci */ 962306a36Sopenharmony_cistatic int perf_stdio__error(const char *format, va_list args) 1062306a36Sopenharmony_ci{ 1162306a36Sopenharmony_ci fprintf(stderr, "Error:\n"); 1262306a36Sopenharmony_ci vfprintf(stderr, format, args); 1362306a36Sopenharmony_ci return 0; 1462306a36Sopenharmony_ci} 1562306a36Sopenharmony_ci 1662306a36Sopenharmony_cistatic int perf_stdio__warning(const char *format, va_list args) 1762306a36Sopenharmony_ci{ 1862306a36Sopenharmony_ci if (quiet) 1962306a36Sopenharmony_ci return 0; 2062306a36Sopenharmony_ci 2162306a36Sopenharmony_ci fprintf(stderr, "Warning:\n"); 2262306a36Sopenharmony_ci vfprintf(stderr, format, args); 2362306a36Sopenharmony_ci return 0; 2462306a36Sopenharmony_ci} 2562306a36Sopenharmony_ci 2662306a36Sopenharmony_cistatic struct perf_error_ops default_eops = 2762306a36Sopenharmony_ci{ 2862306a36Sopenharmony_ci .error = perf_stdio__error, 2962306a36Sopenharmony_ci .warning = perf_stdio__warning, 3062306a36Sopenharmony_ci}; 3162306a36Sopenharmony_ci 3262306a36Sopenharmony_cistatic struct perf_error_ops *perf_eops = &default_eops; 3362306a36Sopenharmony_ci 3462306a36Sopenharmony_ci 3562306a36Sopenharmony_ciint ui__error(const char *format, ...) 3662306a36Sopenharmony_ci{ 3762306a36Sopenharmony_ci int ret; 3862306a36Sopenharmony_ci va_list args; 3962306a36Sopenharmony_ci 4062306a36Sopenharmony_ci va_start(args, format); 4162306a36Sopenharmony_ci ret = perf_eops->error(format, args); 4262306a36Sopenharmony_ci va_end(args); 4362306a36Sopenharmony_ci 4462306a36Sopenharmony_ci return ret; 4562306a36Sopenharmony_ci} 4662306a36Sopenharmony_ci 4762306a36Sopenharmony_ciint ui__warning(const char *format, ...) 4862306a36Sopenharmony_ci{ 4962306a36Sopenharmony_ci int ret; 5062306a36Sopenharmony_ci va_list args; 5162306a36Sopenharmony_ci if (quiet) 5262306a36Sopenharmony_ci return 0; 5362306a36Sopenharmony_ci 5462306a36Sopenharmony_ci va_start(args, format); 5562306a36Sopenharmony_ci ret = perf_eops->warning(format, args); 5662306a36Sopenharmony_ci va_end(args); 5762306a36Sopenharmony_ci 5862306a36Sopenharmony_ci return ret; 5962306a36Sopenharmony_ci} 6062306a36Sopenharmony_ci 6162306a36Sopenharmony_ci/** 6262306a36Sopenharmony_ci * perf_error__register - Register error logging functions 6362306a36Sopenharmony_ci * @eops: The pointer to error logging function struct 6462306a36Sopenharmony_ci * 6562306a36Sopenharmony_ci * Register UI-specific error logging functions. Before calling this, 6662306a36Sopenharmony_ci * other logging functions should be unregistered, if any. 6762306a36Sopenharmony_ci */ 6862306a36Sopenharmony_ciint perf_error__register(struct perf_error_ops *eops) 6962306a36Sopenharmony_ci{ 7062306a36Sopenharmony_ci if (perf_eops != &default_eops) 7162306a36Sopenharmony_ci return -1; 7262306a36Sopenharmony_ci 7362306a36Sopenharmony_ci perf_eops = eops; 7462306a36Sopenharmony_ci return 0; 7562306a36Sopenharmony_ci} 7662306a36Sopenharmony_ci 7762306a36Sopenharmony_ci/** 7862306a36Sopenharmony_ci * perf_error__unregister - Unregister error logging functions 7962306a36Sopenharmony_ci * @eops: The pointer to error logging function struct 8062306a36Sopenharmony_ci * 8162306a36Sopenharmony_ci * Unregister already registered error logging functions. 8262306a36Sopenharmony_ci */ 8362306a36Sopenharmony_ciint perf_error__unregister(struct perf_error_ops *eops) 8462306a36Sopenharmony_ci{ 8562306a36Sopenharmony_ci if (perf_eops != eops) 8662306a36Sopenharmony_ci return -1; 8762306a36Sopenharmony_ci 8862306a36Sopenharmony_ci perf_eops = &default_eops; 8962306a36Sopenharmony_ci return 0; 9062306a36Sopenharmony_ci} 91