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trace: refactor to support multiple env variables

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Right now you turn all tracing off and on with GIT_TRACE. To
support new types of tracing without forcing the user to see
all of them, we will soon support turning each tracing area
on with GIT_TRACE_*.

This patch lays the groundwork by providing an interface
which does not assume GIT_TRACE. However, we still maintain
the trace_printf interface so that existing callers do not
need to be refactored.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff King
2011-02-24 09:28:41 -05:00
committed by Junio C Hamano
parent c6053543f2
commit 06796607ef
2 changed files with 19 additions and 11 deletions
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2
cache.h
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@ -1067,7 +1067,7 @@ extern void alloc_report(void);
/* trace.c */
__attribute__((format (printf, 1, 2)))
extern void trace_printf(const char *format, ...);
extern void trace_vprintf(const char *format, va_list ap);
extern void trace_vprintf(const char *key, const char *format, va_list ap);
__attribute__((format (printf, 2, 3)))
extern void trace_argv_printf(const char **argv, const char *format, ...);
extern void trace_repo_setup(const char *prefix);