errors.c

   1 #define _GNU_SOURCE
   2 #include "errors.h"
   3 #include "stdarg.h"
   4 #include "stdio.h"
   5
   6 static __thread struct {
   7     err_t errno;
   8     const char *file;
   9     const char *func;
  10     int line;
  11     char *msg;
  12     void *object;
  13 } errinfo = {0, NULL, NULL, 0, NULL, NULL};
  14
  15 err_t make_error_internal(err_t n, void *obj, const char *file, const char *func, int line, const char *fmt, ...)
  16 {
  17     va_list ap;
  18     va_start(ap, fmt);
  19     vasprintf(&errinfo.msg, fmt, ap);
  20     va_end(ap);
  21     errinfo.errno = n;
  22     errinfo.file = file;
  23     errinfo.func = func;
  24     errinfo.line = line;
  25     errinfo.object = obj;
  26     return n;
  27 }
  28
  29 err_t get_last_error(void)
  30 {
  31     return errinfo.errno;
  32 }
  33
  34 const char *get_last_error_file(void)
  35 {
  36     return errinfo.file;
  37 }
  38
  39 const char *get_last_error_func(void)
  40 {
  41     return errinfo.func;
  42 }
  43
  44 int get_last_error_line(void)
  45 {
  46     return errinfo.line;
  47 }
  48
  49 const char *get_last_error_message(void)
  50 {
  51     return errinfo.msg;
  52 }