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Fix ret code in gen_random_havege.c

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This commit is contained in:
Andres Amaya Garcia 2018-04-30 22:09:18 +01:00
parent 25b5af58b4
commit 28abd8e98c
1 changed files with 16 additions and 11 deletions
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23
programs/random/gen_random_havege.c
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@ -29,9 +29,12 @@
#include "mbedtls/platform.h"
#else
#include <stdio.h>
#include <stdlib.h>
#define mbedtls_fprintf fprintf
#define mbedtls_printf printf
#endif
#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
#endif /* MBEDTLS_PLATFORM_C */
#if defined(MBEDTLS_HAVEGE_C) && defined(MBEDTLS_FS_IO)
#include "mbedtls/havege.h"
@ -51,20 +54,21 @@ int main( int argc, char *argv[] )
{
FILE *f;
time_t t;
int i, k, ret = 0;
int i, k, ret = 1;
int exit_code = MBEDTLS_EXIT_FAILURE;
mbedtls_havege_state hs;
unsigned char buf[1024];
if( argc < 2 )
{
mbedtls_fprintf( stderr, "usage: %s <output filename>\n", argv[0] );
return( 1 );
return( exit_code );
}
if( ( f = fopen( argv[1], "wb+" ) ) == NULL )
{
mbedtls_printf( "failed to open '%s' for writing.\n", argv[1] );
return( 1 );
return( exit_code );
}
mbedtls_havege_init( &hs );
@ -73,11 +77,10 @@ int main( int argc, char *argv[] )
for( i = 0, k = 768; i < k; i++ )
{
if( mbedtls_havege_random( &hs, buf, sizeof( buf ) ) != 0 )
if( ( ret = mbedtls_havege_random( &hs, buf, sizeof( buf ) ) ) != 0 )
{
mbedtls_printf( "Failed to get random from source.\n" );
ret = 1;
mbedtls_printf( " failed\n ! mbedtls_havege_random returned -0x%04X",
-ret );
goto exit;
}
@ -93,9 +96,11 @@ int main( int argc, char *argv[] )
mbedtls_printf(" \n ");
exit_code = MBEDTLS_EXIT_SUCCESS;
exit:
mbedtls_havege_free( &hs );
fclose( f );
return( ret );
return( exit_code );
}
#endif /* MBEDTLS_HAVEGE_C */