diff options
Diffstat (limited to 'src/gpgrt-int.h')
| -rw-r--r-- | src/gpgrt-int.h | 41 |
1 files changed, 26 insertions, 15 deletions
diff --git a/src/gpgrt-int.h b/src/gpgrt-int.h index e1cf50b..701e1d4 100644 --- a/src/gpgrt-int.h +++ b/src/gpgrt-int.h @@ -51,31 +51,33 @@ gpg_err_code_t _gpgrt_yield (void); /* Trace support. */ -void _gpgrt_internal_trace_begin (const char *mod, const char *file, int line); -void _gpgrt_internal_trace (const char *format, - ...) GPGRT_ATTR_PRINTF(1,2); -void _gpgrt_internal_trace_errno (const char *format, - ...) GPGRT_ATTR_PRINTF(1,2); -void _gpgrt_internal_trace_printf (const char *format, - ...) GPGRT_ATTR_PRINTF(1,2); -void _gpgrt_internal_trace_end (void); - +/* The trace macro is used this way: + * trace (("enter - foo=%d bar=%s", foo, bar)); + * Note the double parenthesis, they are important. + * To append the current errno to the output, use + * trace_errno (EXTPR,("leave - baz=%d", faz)); + * If EXPR evaluates to true the output of strerror (errno) + * is appended to the output. Note that the trace function does + * not modify ERRNO. To enable tracing you need to have this + * #define ENABLE_TRACING "modulename" + * before you include gpgrt-int.h. + */ #ifdef ENABLE_TRACING # define trace(X) do { \ _gpgrt_internal_trace_begin \ - (ENABLE_TRACING, __func__, __LINE__); \ + (ENABLE_TRACING, __func__, __LINE__, 0); \ _gpgrt_internal_trace X; \ _gpgrt_internal_trace_end (); \ } while (0) -# define trace_errno(X) do { \ +# define trace_errno(C,X) do { \ _gpgrt_internal_trace_begin \ - (ENABLE_TRACING, __func__, __LINE__); \ - _gpgrt_internal_trace_errno X; \ + (ENABLE_TRACING, __func__, __LINE__, (C)); \ + _gpgrt_internal_trace X; \ _gpgrt_internal_trace_end (); \ } while (0) # define trace_start(X) do { \ _gpgrt_internal_trace_begin \ - (ENABLE_TRACING, __func__, __LINE__); \ + (ENABLE_TRACING, __func__, __LINE__, 0); \ _gpgrt_internal_trace_printf X; \ } while (0) # define trace_append(X) do { \ @@ -87,12 +89,21 @@ void _gpgrt_internal_trace_end (void); } while (0) #else # define trace(X) do { } while (0) -# define trace_errno(X) do { } while (0) +# define trace_errno(C,X) do { } while (0) # define trace_start(X) do { } while (0) # define trace_append(X) do { } while (0) # define trace_finish(X) do { } while (0) #endif /*!ENABLE_TRACING*/ +void _gpgrt_internal_trace_begin (const char *mod, const char *file, int line, + int with_errno); +void _gpgrt_internal_trace (const char *format, + ...) GPGRT_ATTR_PRINTF(1,2); +void _gpgrt_internal_trace_printf (const char *format, + ...) GPGRT_ATTR_PRINTF(1,2); +void _gpgrt_internal_trace_end (void); + + /* Local definitions for estream. */ |