diff options
Diffstat (limited to 'src/errmsg.h')
| -rw-r--r-- | src/errmsg.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/src/errmsg.h b/src/errmsg.h new file mode 100644 index 0000000..17a4457 --- /dev/null +++ b/src/errmsg.h @@ -0,0 +1,83 @@ +/* + * Copyright © 2022 Michael Smith <mikesmiffy128@gmail.com> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED “AS IS” AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH + * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, + * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM + * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR + * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef INC_ERRMSG_H +#define INC_ERRMSG_H + +#include "con_.h" +#include "os.h" + +extern const char msg_note[], msg_warn[], msg_error[]; + +#define _ERRMSG_STR1(x) #x +#define _ERRMSG_STR(x) _ERRMSG_STR1(x) + +#ifdef MODULE_NAME +#define _errmsg_msg(mod, msg, s, ...) \ + con_warn("sst: %s: %s" s ": %s\n", mod, msg, __VA_ARGS__) +// XXX: can we avoid using the ##__VA_ARGS__ extension here somehow? +#define _errmsg_msgx(mod, msg, s, ...) \ + con_warn("sst: %s: %s" s "\n", mod, msg, ##__VA_ARGS__) +#else +// dumb hack: we don't want sst.c to say "sst: sst:" - easier to just drop the +// module parameter here so all the stuff below can just remain the same +#define _errmsg_msg(ignored, msg, s, ...) \ + con_warn("sst: %s" s ": %s\n", msg, __VA_ARGS__) +#define _errmsg_msgx(ignored, msg, s, ...) \ + con_warn("sst: %s" s "\n", msg, ##__VA_ARGS__) +#endif + +#define _errmsg_std(msg, ...) \ + _errmsg_msg(_ERRMSG_STR(MODULE_NAME), msg, __VA_ARGS__, strerror(errno)) + +#define _errmsg_x(msg, ...) \ + _errmsg_msgx(_ERRMSG_STR(MODULE_NAME), msg, __VA_ARGS__) + +#ifdef _WIN32 +#define _errmsg_sys(msg, ...) do { \ + char _warnsys_buf[512]; \ + OS_WINDOWS_ERROR(_warnsys_buf); \ + _errmsg_msg(_ERRMSG_STR(MODULE_NAME), msg, __VA_ARGS__, _warnsys_buf); \ +} while (0) +#define _errmsg_dl _errmsg_sys +#else +#define _errmsg_sys _errmsg_std +static inline const char *_errmsg_dlerror(void) { + const char *e = dlerror(); + if (!e) return "Unknown error"; // just in case, better avoid weirdness! + return e; +} +#define _errmsg_dl(msg, ...) \ + _errmsg_msg(_ERRMSG_STR(MODULE_NAME), msg, __VA_ARGS__, _errmsg_dlerror()); +#endif + +// Reminder: will need add warnsock/errsock if we ever do stuff with sockets, +// because of Windows's WSAGetLastError() abomination. +#define errmsg_warnstd(...) _errmsg_std(msg_warn, __VA_ARGS__) +#define errmsg_warnsys(...) _errmsg_sys(msg_warn, __VA_ARGS__) +#define errmsg_warndl(...) _errmsg_dl(msg_warn, __VA_ARGS__) +#define errmsg_warnx(...) _errmsg_x(msg_warn, __VA_ARGS__) + +#define errmsg_errorstd(...) _errmsg_std(msg_error, __VA_ARGS__) +#define errmsg_errorsys(...) _errmsg_sys(msg_error, __VA_ARGS__) +#define errmsg_errordl(...) _errmsg_dl(msg_error, __VA_ARGS__) +#define errmsg_errorx(...) _errmsg_x(msg_error, __VA_ARGS__) + +#define errmsg_note(...) _errmsg_x(msg_note, __VA_ARGS__) + +#endif + +// vi: sw=4 ts=4 noet tw=80 cc=80 |