git/trace2/tr2_cmd_name.c

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#include "git-compat-util.h"
#include "strbuf.h"
#include "trace2/tr2_cmd_name.h"
#define TR2_ENVVAR_PARENT_NAME "GIT_TRACE2_PARENT_NAME"
static struct strbuf tr2cmdname_hierarchy = STRBUF_INIT;
void tr2_cmd_name_append_hierarchy(const char *name)
{
const char *parent_name = getenv(TR2_ENVVAR_PARENT_NAME);
strbuf_reset(&tr2cmdname_hierarchy);
if (parent_name && *parent_name) {
strbuf_addstr(&tr2cmdname_hierarchy, parent_name);
strbuf_addch(&tr2cmdname_hierarchy, '/');
}
strbuf_addstr(&tr2cmdname_hierarchy, name);
setenv(TR2_ENVVAR_PARENT_NAME, tr2cmdname_hierarchy.buf, 1);
}
const char *tr2_cmd_name_get_hierarchy(void)
{
return tr2cmdname_hierarchy.buf;
}
void tr2_cmd_name_release(void)
{
strbuf_release(&tr2cmdname_hierarchy);
}