tr2_cmd_name.c · leroysheep/LeeRoySheep

c 31 lines 758 Bytes

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1	#include "git-compat-util.h"
2	#include "strbuf.h"
3	#include "trace2/tr2_cmd_name.h"
4
5	#define TR2_ENVVAR_PARENT_NAME "GIT_TRACE2_PARENT_NAME"
6
7	static struct strbuf tr2cmdname_hierarchy = STRBUF_INIT;
8
9	void tr2_cmd_name_append_hierarchy(const char *name)
10	{
11	const char *parent_name = getenv(TR2_ENVVAR_PARENT_NAME);
12
13	strbuf_reset(&tr2cmdname_hierarchy);
14	if (parent_name && *parent_name) {
15	strbuf_addstr(&tr2cmdname_hierarchy, parent_name);
16	strbuf_addch(&tr2cmdname_hierarchy, '/');
17	}
18	strbuf_addstr(&tr2cmdname_hierarchy, name);
19
20	setenv(TR2_ENVVAR_PARENT_NAME, tr2cmdname_hierarchy.buf, 1);
21	}
22
23	const char *tr2_cmd_name_get_hierarchy(void)
24	{
25	return tr2cmdname_hierarchy.buf;
26	}
27
28	void tr2_cmd_name_release(void)
29	{
30	strbuf_release(&tr2cmdname_hierarchy);
31	}