Set error callback helper

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Dirk Hohndel 2017-10-26 14:37:29 +02:00
parent 6ec7d2d877
commit eccd4b993a
2 changed files with 10 additions and 0 deletions

View file

@ -698,6 +698,7 @@ extern "C" {
extern int report_error(const char *fmt, ...);
extern void report_message(const char *msg);
extern const char *get_error_string(void);
extern void set_error_cb(void(*cb)(void));
extern struct dive *find_dive_including(timestamp_t when);
extern bool dive_within_time_range(struct dive *dive, timestamp_t when, timestamp_t offset);

View file

@ -9,6 +9,7 @@
#define VA_BUF(b, fmt) do { va_list args; va_start(args, fmt); put_vformat(b, fmt, args); va_end(args); } while (0)
static struct membuffer error_string_buffer = { 0 };
static void (*error_cb)(void) = NULL;
/*
* Note that the act of "getting" the error string
* buffer doesn't de-allocate the buffer, but it does
@ -37,6 +38,10 @@ int report_error(const char *fmt, ...)
VA_BUF(buf, fmt);
mb_cstring(buf);
/* if an error callback is registered, call it */
if (error_cb)
error_cb();
return -1;
}
@ -44,3 +49,7 @@ void report_message(const char *msg)
{
(void)report_error("%s", msg);
}
void set_error_cb(void(*cb)(void)) {
error_cb = cb;
}