trace: add infrastructure to augment trace output with additional info

diff --git a/trace.h b/trace.h
index 8fea50bf1dbf9d4d67f1fba630d3ff037e6d29da..28c10892df58602ef674d66e29d5d590726aca38 100644 (file)
--- a/trace.h
+++ b/trace.h
@@ -4,14 +4,24 @@
 #include "git-compat-util.h"
 #include "strbuf.h"
 
+struct trace_key {
+       const char * const key;
+       int fd;
+       unsigned int initialized : 1;
+       unsigned int  need_close : 1;
+};
+
+#define TRACE_KEY_INIT(name) { "GIT_TRACE_" #name, 0, 0, 0 }
+
 __attribute__((format (printf, 1, 2)))
 extern void trace_printf(const char *format, ...);
 __attribute__((format (printf, 2, 3)))
 extern void trace_argv_printf(const char **argv, const char *format, ...);
 extern void trace_repo_setup(const char *prefix);
-extern int trace_want(const char *key);
+extern int trace_want(struct trace_key *key);
+extern void trace_disable(struct trace_key *key);
 __attribute__((format (printf, 2, 3)))
-extern void trace_printf_key(const char *key, const char *format, ...);
-extern void trace_strbuf(const char *key, const struct strbuf *buf);
+extern void trace_printf_key(struct trace_key *key, const char *format, ...);
+extern void trace_strbuf(struct trace_key *key, const struct strbuf *data);
 
 #endif /* TRACE_H */