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support OPENOCD_DEBUG_LEVEL environment setting 

Detect the OPENOCD_DEBUG_LEVEL setting in log_init(), allowing the
very early startup phases to be debugged.
This commit is contained in:
Zachary T Welch 2009-11-23 12:14:05 -08:00
parent be482a5335
commit a3d81eed4d
1 changed files with 13 additions and 0 deletions
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13
src/helper/log.c
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@ -346,6 +346,19 @@ void log_init(void)
if (debug_level == -1)
debug_level = LOG_LVL_INFO;
char *debug_env = getenv("OPENOCD_DEBUG_LEVEL");
if (NULL != debug_env)
{
int value;
int retval = parse_int(debug_env, &value);
if (ERROR_OK == retval &&
debug_level >= LOG_LVL_SILENT &&
debug_level <= LOG_LVL_DEBUG)
{
debug_level = value;
}
}
if (log_output == NULL)
log_output = stderr;