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* New clixon-config@2022-02-11.yang revision

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* Added option: `CLICON_LOG_STRING_LIMIT`
This commit is contained in:
Olof hagsand 2022-02-12 21:44:05 +01:00
parent 396680d0b3
commit 6ae749c9dd
11 changed files with 1204 additions and 9 deletions
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41
lib/src/clixon_log.c
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@ -73,6 +73,9 @@ static int _logflags = 0x0;
/* Set to open file to write debug messages directly to file */
static FILE *_logfile = NULL;
/* Truncate debug strings to this length. 0 means unlimited */
static int _clixon_log_trunc = 0;
/*! Initialize system logger.
*
* Make syslog(3) calls with specified ident and gates calls of level upto specified level (upto).
@ -165,6 +168,23 @@ clicon_get_logflags(void)
return _logflags;
}
/*! Truncate log/debug string length
*/
int
clicon_log_string_limit_set(size_t sz)
{
_clixon_log_trunc = sz;
return 0;
}
/*! Get truncate log/debug string length
*/
size_t
clicon_log_string_limit_get(void)
{
return _clixon_log_trunc;
}
/*! Mimic syslog and print a time on file f
*/
static int
@ -254,22 +274,28 @@ clicon_log_str(int level,
* @code
clicon_log(LOG_NOTICE, "%s: dump to dtd not supported", __PROGRAM__);
* @endcode
* @see clicon_log_init and clicon_log_str
* @see clicon_log_init clicon_log_str
* @see clicon_log_xml
*/
int
clicon_log(int level,
const char *format, ...)
{
va_list args;
int len;
size_t len;
char *msg = NULL;
int retval = -1;
size_t trunc;
/* first round: compute length of debug message */
va_start(args, format);
len = vsnprintf(NULL, 0, format, args);
va_end(args);
/* Truncate long debug strings */
if ((trunc = clicon_log_string_limit_get()) && trunc < len)
len = trunc;
/* allocate a message string exactly fitting the message length */
if ((msg = malloc(len+1)) == NULL){
fprintf(stderr, "malloc: %s\n", strerror(errno)); /* dont use clicon_err here due to recursion */
@ -349,10 +375,11 @@ clicon_debug(int dbglevel,
const char *format, ...)
{
va_list args;
int len;
size_t len;
char *msg = NULL;
int retval = -1;
size_t trunc;
if (dbglevel > _clixon_debug) /* compare debug mask with global variable */
return 0;
/* first round: compute length of debug message */
@ -360,7 +387,11 @@ clicon_debug(int dbglevel,
len = vsnprintf(NULL, 0, format, args);
va_end(args);
/* allocate a message string exactly fitting the messgae length */
/* Truncate long debug strings */
if ((trunc = clicon_log_string_limit_get()) && trunc < len)
len = trunc;
/* allocate a message string exactly fitting the message length */
if ((msg = malloc(len+1)) == NULL){
clicon_err(OE_UNIX, errno, "malloc");
goto done;