cosmopolitan/libc/testlib/showerror.c

/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8                                :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney                              │
│                                                                              │
│ This program is free software; you can redistribute it and/or modify         │
│ it under the terms of the GNU General Public License as published by         │
│ the Free Software Foundation; version 2 of the License.                      │
│                                                                              │
│ This program is distributed in the hope that it will be useful, but          │
│ WITHOUT ANY WARRANTY; without even the implied warranty of                   │
│ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU             │
│ General Public License for more details.                                     │
│                                                                              │
│ You should have received a copy of the GNU General Public License            │
│ along with this program; if not, write to the Free Software                  │
│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
│ 02110-1301 USA                                                               │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/internal.h"
#include "libc/errno.h"
#include "libc/fmt/fmt.h"
#include "libc/log/color.internal.h"
#include "libc/log/internal.h"
#include "libc/log/log.h"
#include "libc/math.h"
#include "libc/nt/runtime.h"
#include "libc/runtime/runtime.h"
#include "libc/stdio/stdio.h"
#include "libc/testlib/testlib.h"

testonly void testlib_showerror(const char *file, int line, const char *func,
                                const char *method, const char *symbol,
                                const char *code, char *v1, char *v2) {
  /* TODO(jart): Pay off tech debt re duplication */
  getpid$sysv(); /* make strace easier to read */
  getpid$sysv();
  fprintf(stderr,
          "%s%s%s%s:%s:%d%s: %s() %s %s(%s)\n"
          "\t%s\n"
          "\t\t%s %s %s\n"
          "\t\t%s %s\n"
          "\t%s%s\n"
          "\t%s%s\n",
          RED2, "error", UNBOLD, BLUE1, file, line, RESET, method, "in", func,
          g_fixturename, code, "need", v1, symbol, " got", v2, SUBTLE,
          strerror(errno), program_invocation_name, RESET);
  free_s(&v1);
  free_s(&v2);
}