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remove extern variables and use error queue instead

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This commit is contained in:
Jacob Barthelmeh
2017-02-07 17:16:22 -07:00
parent 53bebb4785
commit 993a604124
2 changed files with 6 additions and 27 deletions
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24
wolfcrypt/src/logging.c
View File

@ -44,13 +44,9 @@
#if defined(OPENSSL_EXTRA) || defined(DEBUG_WOLFSSL_VERBOSE)
static wolfSSL_Mutex debug_mutex; /* mutex for access to debug structure */
/* accessing any of these global variables should be wrapped in a lock of
/* accessing any node from the queue should be wrapped in a lock of
* debug_mutex */
volatile char wc_last_error_file[WOLFSSL_MAX_ERROR_SZ];
volatile unsigned long wc_last_error_line;
volatile unsigned long wc_last_error;
volatile void* wc_error_heap;
static void* wc_error_heap;
struct wc_error_queue {
void* heap; /* the heap hint used with nodes creation */
struct wc_error_queue* next;
@ -245,16 +241,12 @@ void WOLFSSL_ERROR(int error)
}
else {
if (error < 0) error = error - (2*error); /*get absolute value*/
wc_last_error = (unsigned long)error;
wc_last_error_line = (unsigned long)line;
XMEMSET((char*)wc_last_error_file, 0, sizeof(wc_last_error_file));
if (XSTRLEN(file) < sizeof(wc_last_error_file)) {
XSTRNCPY((char*)wc_last_error_file, file, XSTRLEN(file));
}
sprintf(buffer, "wolfSSL error occurred, error = %d line:%d file:%s",
error, line, file);
if (wc_AddErrorNode(error, line, buffer, (char*)file) != 0) {
WOLFSSL_MSG("Error creating logging node");
/* with void function there is no return here, continue on
* to unlock mutex and log what buffer was created. */
}
wc_UnLockMutex(&debug_mutex);
@ -276,11 +268,7 @@ int wc_LoggingInit(void)
WOLFSSL_MSG("Bad Init Mutex");
return BAD_MUTEX_E;
}
XMEMSET((char*)wc_last_error_file, 0, sizeof(wc_last_error_file));
wc_last_error_line = 0;
wc_last_error = 0;
wc_errors = NULL;
wc_error_heap = NULL;
wc_last_node = NULL;
return 0;
@ -381,7 +369,7 @@ int wc_PeekErrorNode(int index, const char **file, const char **reason,
/* create new error node and add it to the queue
* buffers are assumed to be of size WOLFSSL_MAX_ERROR_SZ for this internal
* function */
* function. debug_mutex should be locked before a call to this function. */
int wc_AddErrorNode(int error, int line, char* buf, char* file)
{
@ -397,7 +385,7 @@ int wc_AddErrorNode(int error, int line, char* buf, char* file)
int sz;
XMEMSET(err, 0, sizeof(struct wc_error_queue));
err->heap = (void*)wc_error_heap;
err->heap = wc_error_heap;
sz = (int)XSTRLEN(buf);
if (sz > WOLFSSL_MAX_ERROR_SZ - 1) {
sz = WOLFSSL_MAX_ERROR_SZ - 1;

9
wolfssl/wolfcrypt/logging.h
View File

@ -47,15 +47,6 @@ typedef void (*wolfSSL_Logging_cb)(const int logLevel,
WOLFSSL_API int wolfSSL_SetLoggingCb(wolfSSL_Logging_cb log_function);
#if defined(OPENSSL_EXTRA) || defined(DEBUG_WOLFSSL_VERBOSE)
typedef struct wc_error_queue wc_error_queue;
/* make these variables global and declare them in logging.c */
extern volatile char wc_last_error_file[80];
extern volatile unsigned long wc_last_error_line;
extern volatile unsigned long wc_last_error;
extern volatile void* wc_error_heap;
extern volatile wc_error_queue* wc_errors;
WOLFSSL_LOCAL int wc_LoggingInit(void);
WOLFSSL_LOCAL int wc_LoggingCleanup(void);
WOLFSSL_LOCAL int wc_AddErrorNode(int error, int line, char* buf,