trace2/tr2_cmd_name.c

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