forked from enlightenment/efl
eina log level utilities.
couple of functions that are useful outside and should be fast. SVN revision: 45996
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@ -4,6 +4,7 @@ EINAHEADERS = \
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eina_safety_checks.h \
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eina_error.h \
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eina_log.h \
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eina_inline_log.x \
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eina_fp.h \
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eina_inline_f32p32.x \
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eina_inline_f16p16.x \
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@ -0,0 +1,197 @@
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/* EINA - EFL data type library
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* Copyright (C) 2002-2008 Gustavo Sverzut Barbieri
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library;
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* if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef EINA_LOG_INLINE_H_
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#define EINA_LOG_INLINE_H_
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/**
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* @addtogroup Eina_Log_Group Log
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*
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* @{
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*/
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/**
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* Checks whenever the given level should be printed out.
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*
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* This is useful to enable certain blocks of code just when given
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* level is to be used.
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*
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* @code
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* #include <Eina.h>
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*
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* void my_func(void *data)
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* {
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* if (eina_log_level_check(EINA_LOG_LEVEL_WARN))
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* expensive_debugging_code(data);
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*
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* my_func_code(data);
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* }
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* @endcode
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*
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* @return #EINA_TRUE if level is equal or smaller than the current global
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* logging level.
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*/
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static inline Eina_Bool
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eina_log_level_check(int level)
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{
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return eina_log_level_get() <= level;
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}
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/**
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* Checks whenever the given level should be printed out.
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*
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* This is useful to enable certain blocks of code just when given
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* level is to be used.
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*
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* @code
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* #include <Eina.h>
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*
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* extern int _my_log_dom;
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*
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* void my_func(void *data)
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* {
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* if (eina_log_domain_level_check(_my_log_dom, EINA_LOG_LEVEL_WARN))
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* expensive_debugging_code(data);
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*
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* my_func_code(data);
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* }
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* @endcode
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*
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* @return #EINA_TRUE if level is equal or smaller than the current
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* domain logging level.
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*/
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static inline Eina_Bool
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eina_log_domain_level_check(int domain, int level)
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{
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int dom_level = eina_log_domain_registered_level_get(domain);
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if (EINA_UNLIKELY(dom_level == EINA_LOG_LEVEL_UNKNOWN))
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return EINA_FALSE;
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return dom_level <= level;
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}
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/**
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* Function to format the level as a 3 character (+1 null byte) string.
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*
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* This function converts the given level to a known string name (CRI,
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* ERR, WRN, INF or DBG) or a zero-padded 3-character string. In any
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* case the last byte will contain a trailing null byte.
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*
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* If extreme level values are used (greater than 999 and smaller than
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* -99), then the value will just consider the less significant
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* part. This is so uncommon that users should handle this in their
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* code.
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*
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* @param level what level value to use.
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* @param name where to write the actual value.
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*
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* @return pointer to @p name.
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*/
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static inline const char *
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eina_log_level_name_get(int level, char name[4])
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{
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#define BCPY(A, B, C) \
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do { name[0] = A; name[1] = B; name[2] = C; } while (0)
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if (EINA_UNLIKELY(level < 0))
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{
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name[0] = '-';
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name[1] = '0' + (-level / 10) % 10;
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name[2] = '0' + (-level % 10);
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}
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else if (EINA_UNLIKELY(level >= EINA_LOG_LEVELS))
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{
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name[0] = '0' + (level / 100) % 10;
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name[1] = '0' + (level / 10) % 10;
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name[2] = '0' + level % 10;
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}
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else if (level == 0)
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BCPY('C', 'R', 'I');
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else if (level == 1)
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BCPY('E', 'R', 'R');
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else if (level == 2)
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BCPY('W', 'R', 'N');
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else if (level == 3)
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BCPY('I', 'N', 'F');
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else if (level == 4)
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BCPY('D', 'B', 'G');
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else
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BCPY('?', '?', '?');
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name[3] = '\0';
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return name;
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}
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/**
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* Function to get recommended color value for level.
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*
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* This function will not check if colors are enabled or not before
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* returning the level color. If you desire such check, use
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* eina_log_level_color_if_enabled_get().
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*
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* @param level what level value to use.
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*
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* @return pointer to null byte terminated ANSI color string to be
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* used in virtual terminals supporting VT100 color codes.
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*
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* @see eina_log_level_color_if_enabled_get()
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*/
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static inline const char *
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eina_log_level_color_get(int level)
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{
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if (level <= 0)
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return EINA_COLOR_LIGHTRED;
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else if (level == 1)
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return EINA_COLOR_RED;
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else if (level == 2)
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return EINA_COLOR_YELLOW;
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else if (level == 3)
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return EINA_COLOR_GREEN;
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else if (level == 4)
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return EINA_COLOR_LIGHTBLUE;
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else
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return EINA_COLOR_BLUE;
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}
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/**
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* Function to get recommended color value for level, if colors are
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* enabled.
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*
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* This function will check if colors are enabled or not before
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* returning the level color. If colors are disabled, then empty
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* string is returned.
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*
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* @param level what level value to use.
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*
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* @return pointer to null byte terminated ANSI color string to be
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* used in virtual terminals supporting VT100 color codes. If
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* colors are disabled, the empty string is returned.
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*/
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static inline const char *
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eina_log_level_color_if_enabled_get(int level)
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{
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if (eina_log_color_disable_get())
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return "";
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return eina_log_level_color_get(level);
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}
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/**
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* @}
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*/
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#endif /* EINA_LOG_INLINE_H_ */
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@ -205,6 +205,8 @@ EAPI void eina_log_print_cb_set(Eina_Log_Print_Cb cb, void *data) EINA_ARG_
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EAPI void eina_log_level_set(int level);
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EAPI int eina_log_level_get(void) EINA_WARN_UNUSED_RESULT;
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static inline Eina_Bool eina_log_level_check(int level);
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EAPI Eina_Bool eina_log_main_thread_check(void) EINA_CONST EINA_WARN_UNUSED_RESULT;
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EAPI void eina_log_color_disable_set(Eina_Bool disabled);
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@ -221,6 +223,7 @@ EAPI int eina_log_abort_on_critical_level_get(void) EINA_WARN_UNUSED_RESUL
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EAPI void eina_log_domain_level_set(const char *domain_name, int level) EINA_ARG_NONNULL(1);
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EAPI int eina_log_domain_level_get(const char *domain_name) EINA_WARN_UNUSED_RESULT EINA_ARG_NONNULL(1);
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EAPI int eina_log_domain_registered_level_get(int domain) EINA_WARN_UNUSED_RESULT;
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static inline Eina_Bool eina_log_domain_level_check(int domain, int level);
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/*
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@ -243,6 +246,8 @@ EAPI void eina_log_print_cb_stdout(const Eina_Log_Domain *d, Eina_Log_Level leve
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EAPI void eina_log_print_cb_stderr(const Eina_Log_Domain *d, Eina_Log_Level level, const char *file, const char *fnc, int line, const char *fmt, void *data, va_list args);
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EAPI void eina_log_print_cb_file(const Eina_Log_Domain *d, Eina_Log_Level level, const char *file, const char *fnc, int line, const char *fmt, void *data, va_list args);
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#include "eina_inline_log.x"
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/**
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* @}
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*/
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@ -436,16 +436,10 @@ static Eina_Log_Level _log_level = EINA_LOG_LEVEL_CRITICAL;
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static Eina_Log_Level _log_level = EINA_LOG_LEVEL_ERR;
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#endif
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// Default colors and levels
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static const char *_colors[] = { // + 1 for higher than debug
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EINA_COLOR_LIGHTRED, // EINA_LOG_LEVEL_CRITICAL
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EINA_COLOR_RED, // EINA_LOG_LEVEL_ERR
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EINA_COLOR_YELLOW, // EINA_LOG_LEVEL_WARN
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EINA_COLOR_GREEN, // EINA_LOG_LEVEL_INFO
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EINA_COLOR_LIGHTBLUE, // EINA_LOG_LEVEL_DBG
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EINA_COLOR_BLUE, // Higher than DEBUG
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};
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/* NOTE: if you change this, also change:
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* eina_log_print_level_name_get()
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* eina_log_print_level_name_color_get()
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*/
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static const char *_names[] = {
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"CRI",
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"ERR",
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eina_log_print_level_name_get(int level, const char **p_name)
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{
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static char buf[4];
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/* NOTE: if you change this, also change
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* eina_log_print_level_name_color_get()
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* eina_log_level_name_get() (at eina_inline_log.x)
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*/
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if (EINA_UNLIKELY(level < 0))
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{
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snprintf(buf, sizeof(buf), "%03d", level);
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*p_name = buf;
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}
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else if (EINA_UNLIKELY(level > EINA_LOG_LEVELS))
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else if (EINA_UNLIKELY(level >= EINA_LOG_LEVELS))
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{
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snprintf(buf, sizeof(buf), "%03d", level);
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*p_name = buf;
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eina_log_print_level_name_color_get(int level, const char **p_name, const char **p_color)
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{
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static char buf[4];
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/* NOTE: if you change this, also change:
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* eina_log_print_level_name_get()
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*/
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if (EINA_UNLIKELY(level < 0))
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{
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snprintf(buf, sizeof(buf), "%03d", level);
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*p_name = buf;
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*p_color = _colors[0];
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}
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else if (EINA_UNLIKELY(level > EINA_LOG_LEVELS))
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else if (EINA_UNLIKELY(level >= EINA_LOG_LEVELS))
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{
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snprintf(buf, sizeof(buf), "%03d", level);
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*p_name = buf;
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*p_color = _colors[EINA_LOG_LEVELS];
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}
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else
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{
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*p_name = _names[level];
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*p_color = _colors[level];
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}
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*p_color = eina_log_level_color_get(level);
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}
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#define DECLARE_LEVEL_NAME(level) const char *name; eina_log_print_level_name_get(level, &name)
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int color_disable;
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assert((sizeof(_names)/sizeof(_names[0])) == EINA_LOG_LEVELS);
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assert((sizeof(_colors)/sizeof(_colors[0])) == EINA_LOG_LEVELS + 1);
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if ((tmp = getenv(EINA_LOG_ENV_COLOR_DISABLE)))
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color_disable = atoi(tmp);
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@ -188,6 +188,36 @@ START_TEST(eina_log_customize)
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eina_log_abort_on_critical_set(EINA_FALSE);
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fail_if(eina_log_domain_registered_level_get(d) != EINA_LOG_LEVEL_UNKNOWN);
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#undef test_set_get_bool
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#undef test_set_get
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eina_shutdown();
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}
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END_TEST
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START_TEST(eina_log_level_name)
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{
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char name[4];
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fail_if(!eina_init());
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#define tst(level, str) \
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eina_log_level_name_get(level, name); \
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fail_if(strcmp(name, str) != 0)
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tst(0, "CRI");
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tst(1, "ERR");
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tst(2, "WRN");
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tst(3, "INF");
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tst(4, "DBG");
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tst(5, "005");
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tst(12, "012");
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tst(369, "369");
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tst(-1, "-01");
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tst(-48, "-48");
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#undef tst
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eina_shutdown();
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}
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END_TEST
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tcase_add_test(tc, eina_log_domains_slot_reuse);
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tcase_add_test(tc, eina_log_level_indexes);
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tcase_add_test(tc, eina_log_customize);
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tcase_add_test(tc, eina_log_level_name);
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}
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