The open source OpenXR runtime
u/pp: Add stack only sink for printing messages
+54
+31
src/xrt/auxiliary/util/u_pretty_print.c
+31
src/xrt/auxiliary/util/u_pretty_print.c
···
38
38
}
39
39
}
40
40
41
+
void
42
+
stack_only_sink(void *ptr, const char *str, size_t length)
43
+
{
44
+
struct u_pp_sink_stack_only *sink = (struct u_pp_sink_stack_only *)ptr;
45
+
46
+
size_t used = sink->used;
47
+
size_t left = ARRAY_SIZE(sink->buffer) - used;
48
+
if (left == 0) {
49
+
return;
50
+
}
51
+
52
+
if (length >= left) {
53
+
length = left - 1;
54
+
}
55
+
56
+
memcpy(sink->buffer + used, str, length);
57
+
58
+
used += length;
59
+
60
+
// Null terminate and update used.
61
+
sink->buffer[used] = '\0';
62
+
sink->used = used;
63
+
}
64
+
41
65
42
66
/*
43
67
*
···
225
249
226
250
u_pp(dg, "XRT_INPUT_0x%04x_%s", id, str);
227
251
}
252
+
253
+
u_pp_delegate_t
254
+
u_pp_sink_stack_only_init(struct u_pp_sink_stack_only *sink)
255
+
{
256
+
sink->used = 0;
257
+
return (u_pp_delegate_t){sink, stack_only_sink};
258
+
}
+23
src/xrt/auxiliary/util/u_pretty_print.h
+23
src/xrt/auxiliary/util/u_pretty_print.h
···
74
74
u_pp_xrt_input_name(struct u_pp_delegate dg, enum xrt_input_name name);
75
75
76
76
77
+
/*
78
+
*
79
+
* Sinks.
80
+
*
81
+
*/
82
+
83
+
/*!
84
+
* Stack only pretty printer sink, no need to free, must be inited before use.
85
+
*
86
+
* @ingroup aux_pretty
87
+
*/
88
+
struct u_pp_sink_stack_only
89
+
{
90
+
//! How much of the buffer is used.
91
+
size_t used;
92
+
93
+
//! Storage for the sink.
94
+
char buffer[1024 * 8];
95
+
};
96
+
97
+
u_pp_delegate_t
98
+
u_pp_sink_stack_only_init(struct u_pp_sink_stack_only *sink);
99
+
77
100
78
101
#ifdef __cplusplus
79
102
}