do {
*buffer = calloc(1, cur);
+ if (!*buffer)
+ return 0;
va_copy(args, src_args);
len = vsnprintf(*buffer, cur, fmt, args);
return len;
}
+/* allocate buffer, fill with prefix string followed by vararg string */
+static size_t prevalist_to_buf(char **buffer, const char *pre, int prelen,
+ const char *fmt, va_list src_args)
+{
+ size_t len, cur = LOG_START_SZ;
+ va_list args;
+
+ do {
+ *buffer = calloc(1, cur);
+ if (!*buffer)
+ return 0;
+
+ va_copy(args, src_args);
+ memcpy(*buffer, pre, prelen);
+ len = prelen + vsnprintf(*buffer + prelen, cur - prelen, fmt, args);
+ va_end(args);
+
+ if (len < cur)
+ break;
+
+ cur = len + 1;
+ free(*buffer);
+ } while (1);
+
+ return len;
+}
+
size_t log_valist(const char *fmt, va_list args)
{
char *buffer;
return len;
}
+/* add prefix for the specified type in front of the valist */
+void log_prevalist(int type, const char *fmt, va_list args)
+{
+ char pre[32];
+ char *buffer;
+ size_t len;
+ int prelen;
+ pid_t pid;
+
+ pid = gettid();
+ if (fio_debug_jobp && *fio_debug_jobp != -1U
+ && pid != *fio_debug_jobp)
+ return;
+
+ prelen = snprintf(pre, sizeof pre, "%-8s %-5u ", debug_levels[type].name, (int) pid);
+ if (prelen > 0) {
+ len = prevalist_to_buf(&buffer, pre, prelen, fmt, args);
+ len = log_info_buf(buffer, len);
+ free(buffer);
+ }
+}
+
size_t log_info(const char *format, ...)
{
va_list args;