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Rework debug to not need dynamic alloc

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But introduces dependency on variadic macros
This commit is contained in:
Manuel Pégourié-Gonnard 2015-06-29 20:08:23 +02:00
parent a7c8903ca6
commit b74c245a20
3 changed files with 26 additions and 27 deletions
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15
include/mbedtls/debug.h
View File

@ -38,8 +38,11 @@
#if defined(MBEDTLS_DEBUG_C) #if defined(MBEDTLS_DEBUG_C)
#define MBEDTLS_DEBUG_STRIP_PARENS( ... ) __VA_ARGS__
#define MBEDTLS_SSL_DEBUG_MSG( level, args ) \ #define MBEDTLS_SSL_DEBUG_MSG( level, args ) \
mbedtls_debug_print_msg_free( ssl, level, __FILE__, __LINE__, mbedtls_debug_fmt args ) mbedtls_debug_print_fmt( ssl, level, __FILE__, __LINE__, \
MBEDTLS_DEBUG_STRIP_PARENS args )
#define MBEDTLS_SSL_DEBUG_RET( level, text, ret ) \ #define MBEDTLS_SSL_DEBUG_RET( level, text, ret ) \
mbedtls_debug_print_ret( ssl, level, __FILE__, __LINE__, text, ret ) mbedtls_debug_print_ret( ssl, level, __FILE__, __LINE__, text, ret )
@ -86,13 +89,9 @@ extern "C" {
*/ */
void mbedtls_debug_set_threshold( int threshold ); void mbedtls_debug_set_threshold( int threshold );
char *mbedtls_debug_fmt( const char *format, ... ); void mbedtls_debug_print_fmt( const mbedtls_ssl_context *ssl, int level,
const char *file, int line,
void mbedtls_debug_print_msg( const mbedtls_ssl_context *ssl, int level, const char *format, ... );
const char *file, int line, const char *text );
void mbedtls_debug_print_msg_free( const mbedtls_ssl_context *ssl, int level,
const char *file, int line, char *text );
void mbedtls_debug_print_ret( const mbedtls_ssl_context *ssl, int level, void mbedtls_debug_print_ret( const mbedtls_ssl_context *ssl, int level,
const char *file, int line, const char *file, int line,

34
library/debug.c
View File

@ -52,35 +52,35 @@ void mbedtls_debug_set_threshold( int threshold )
debug_threshold = threshold; debug_threshold = threshold;
} }
char *mbedtls_debug_fmt( const char *format, ... ) void mbedtls_debug_print_fmt( const mbedtls_ssl_context *ssl, int level,
const char *file, int line,
const char *format, ... )
{ {
va_list argp; va_list argp;
char *str = mbedtls_calloc( DEBUG_BUF_SIZE, 1 ); char str[DEBUG_BUF_SIZE];
int ret;
if( str == NULL ) if( ssl->conf == NULL || ssl->conf->f_dbg == NULL || level > debug_threshold )
return( NULL ); return;
va_start( argp, format ); va_start( argp, format );
#if defined(_WIN32) #if defined(_WIN32)
_vsnprintf_s( str, DEBUG_BUF_SIZE, _TRUNCATE, format, argp ); ret = _vsnprintf_s( str, DEBUG_BUF_SIZE, _TRUNCATE, format, argp );
#else #else
vsnprintf( str, DEBUG_BUF_SIZE, format, argp ); ret = vsnprintf( str, DEBUG_BUF_SIZE, format, argp );
#endif #endif
va_end( argp ); va_end( argp );
return( str ); if( ret >= 0 && ret < DEBUG_BUF_SIZE - 1 )
{
str[ret] = '\n';
str[ret + 1] = '\0';
}
ssl->conf->f_dbg( ssl->conf->p_dbg, level, file, line, str );
} }
void mbedtls_debug_print_msg_free( const mbedtls_ssl_context *ssl, int level, static void mbedtls_debug_print_msg( const mbedtls_ssl_context *ssl, int level,
const char *file, int line, char *text )
{
if( text != NULL )
mbedtls_debug_print_msg( ssl, level, file, line, text );
mbedtls_free( text );
}
void mbedtls_debug_print_msg( const mbedtls_ssl_context *ssl, int level,
const char *file, int line, const char *text ) const char *file, int line, const char *text )
{ {
char str[DEBUG_BUF_SIZE]; char str[DEBUG_BUF_SIZE];

4
tests/suites/test_suite_debug.function
View File

@ -59,8 +59,8 @@ void debug_print_msg_threshold( int threshold, int level, char *file, int line,
mbedtls_debug_set_threshold( threshold ); mbedtls_debug_set_threshold( threshold );
mbedtls_ssl_conf_dbg( &conf, string_debug, &buffer); mbedtls_ssl_conf_dbg( &conf, string_debug, &buffer);
mbedtls_debug_print_msg_free( &ssl, level, file, line, mbedtls_debug_print_fmt( &ssl, level, file, line,
mbedtls_debug_fmt("Text message, 2 == %d", 2 ) ); "Text message, 2 == %d", 2 );
TEST_ASSERT( strcmp( buffer.buf, result_str ) == 0 ); TEST_ASSERT( strcmp( buffer.buf, result_str ) == 0 );