src/test/SDL_test_log.c
author Bastien Nocera
Sat, 01 Oct 2016 10:36:24 -0700
changeset 10396 fa4e35434a9c
parent 9998 f67cf37e9cd4
child 10397 3126026a822b
permissions -rw-r--r--
Fix "format not a string literal" errors
With GCC 6.1.

https://bugzilla.libsdl.org/show_bug.cgi?id=3375
     1 /*
     2   Simple DirectMedia Layer
     3   Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org>
     4 
     5   This software is provided 'as-is', without any express or implied
     6   warranty.  In no event will the authors be held liable for any damages
     7   arising from the use of this software.
     8 
     9   Permission is granted to anyone to use this software for any purpose,
    10   including commercial applications, and to alter it and redistribute it
    11   freely, subject to the following restrictions:
    12 
    13   1. The origin of this software must not be misrepresented; you must not
    14      claim that you wrote the original software. If you use this software
    15      in a product, an acknowledgment in the product documentation would be
    16      appreciated but is not required.
    17   2. Altered source versions must be plainly marked as such, and must not be
    18      misrepresented as being the original software.
    19   3. This notice may not be removed or altered from any source distribution.
    20 */
    21 
    22 /*
    23 
    24  Used by the test framework and test cases.
    25 
    26 */
    27 
    28 /* quiet windows compiler warnings */
    29 #define _CRT_SECURE_NO_WARNINGS
    30 
    31 #include "SDL_config.h"
    32 
    33 #include <stdarg.h> /* va_list */
    34 #include <stdio.h>
    35 #include <string.h>
    36 #include <time.h>
    37 
    38 #include "SDL.h"
    39 
    40 #include "SDL_test.h"
    41 
    42 /* !
    43  * Converts unix timestamp to its ascii representation in localtime
    44  *
    45  * Note: Uses a static buffer internally, so the return value
    46  * isn't valid after the next call of this function. If you
    47  * want to retain the return value, make a copy of it.
    48  *
    49  * \param timestamp A Timestamp, i.e. time(0)
    50  *
    51  * \return Ascii representation of the timestamp in localtime in the format '08/23/01 14:55:02'
    52  */
    53 #pragma GCC diagnostic push
    54 #pragma GCC diagnostic ignored "-Wformat-nonliteral"
    55 char *SDLTest_TimestampToString(const time_t timestamp)
    56 {
    57     time_t copy;
    58     static char buffer[64];
    59     struct tm *local;
    60     const char *fmt = "%x %X";
    61 
    62     SDL_memset(buffer, 0, sizeof(buffer));
    63     copy = timestamp;
    64     local = localtime(&copy);
    65     strftime(buffer, sizeof(buffer), fmt, local);
    66 
    67     return buffer;
    68 }
    69 #pragma GCC diagnostic pop
    70 
    71 /*
    72  * Prints given message with a timestamp in the TEST category and INFO priority.
    73  */
    74 void SDLTest_Log(SDL_PRINTF_FORMAT_STRING const char *fmt, ...)
    75 {
    76     va_list list;
    77     char logMessage[SDLTEST_MAX_LOGMESSAGE_LENGTH];
    78 
    79     /* Print log message into a buffer */
    80     SDL_memset(logMessage, 0, SDLTEST_MAX_LOGMESSAGE_LENGTH);
    81     va_start(list, fmt);
    82     SDL_vsnprintf(logMessage, SDLTEST_MAX_LOGMESSAGE_LENGTH - 1, fmt, list);
    83     va_end(list);
    84 
    85     /* Log with timestamp and newline */
    86     SDL_LogMessage(SDL_LOG_CATEGORY_TEST, SDL_LOG_PRIORITY_INFO, " %s: %s", SDLTest_TimestampToString(time(0)), logMessage);
    87 }
    88 
    89 /*
    90  * Prints given message with a timestamp in the TEST category and the ERROR priority.
    91  */
    92 void SDLTest_LogError(SDL_PRINTF_FORMAT_STRING const char *fmt, ...)
    93 {
    94     va_list list;
    95     char logMessage[SDLTEST_MAX_LOGMESSAGE_LENGTH];
    96 
    97     /* Print log message into a buffer */
    98     SDL_memset(logMessage, 0, SDLTEST_MAX_LOGMESSAGE_LENGTH);
    99     va_start(list, fmt);
   100     SDL_vsnprintf(logMessage, SDLTEST_MAX_LOGMESSAGE_LENGTH - 1, fmt, list);
   101     va_end(list);
   102 
   103     /* Log with timestamp and newline */
   104     SDL_LogMessage(SDL_LOG_CATEGORY_TEST, SDL_LOG_PRIORITY_ERROR, "%s: %s", SDLTest_TimestampToString(time(0)), logMessage);
   105 }