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Fix unused variable/function compilation warnings

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This PR fixes a number of unused variable/function compilation warnings
that arise when using a config.h that does not define the macro
POLARSSL_PEM_PARSE_C.
This commit is contained in:
Andres AG 2016-12-07 16:08:04 +00:00
parent a697bf503a
commit f0a401f080
3 changed files with 9 additions and 2 deletions
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7
ChangeLog
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@ -1,5 +1,12 @@
mbed TLS ChangeLog (Sorted per branch, date) mbed TLS ChangeLog (Sorted per branch, date)
= mbed TLS x.x.x branch xxxx-xx-xx
Bugfix
* Fix unused variable/function compilation warnings in pem.c and x509_csr.c
that are reported when building mbed TLS with a config.h that does not
define POLARSSL_PEM_PARSE_C. #562
= mbed TLS 1.3.18 branch 2016-10-17 = mbed TLS 1.3.18 branch 2016-10-17
Security Security

2
library/pem.c
View file

@ -45,12 +45,12 @@
#define polarssl_free free #define polarssl_free free
#endif #endif
#if defined(POLARSSL_PEM_PARSE_C)
/* Implementation that should never be optimized out by the compiler */ /* Implementation that should never be optimized out by the compiler */
static void polarssl_zeroize( void *v, size_t n ) { static void polarssl_zeroize( void *v, size_t n ) {
volatile unsigned char *p = v; while( n-- ) *p++ = 0; volatile unsigned char *p = v; while( n-- ) *p++ = 0;
} }
#if defined(POLARSSL_PEM_PARSE_C)
void pem_init( pem_context *ctx ) void pem_init( pem_context *ctx )
{ {
memset( ctx, 0, sizeof( pem_context ) ); memset( ctx, 0, sizeof( pem_context ) );

2
library/x509_csr.c
View file

@ -260,8 +260,8 @@ int x509_csr_parse_der( x509_csr *csr,
*/ */
int x509_csr_parse( x509_csr *csr, const unsigned char *buf, size_t buflen ) int x509_csr_parse( x509_csr *csr, const unsigned char *buf, size_t buflen )
{ {
int ret;
#if defined(POLARSSL_PEM_PARSE_C) #if defined(POLARSSL_PEM_PARSE_C)
int ret;
size_t use_len; size_t use_len;
pem_context pem; pem_context pem;
#endif #endif