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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 07:32:08 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 07:32:08 +0000 |
commit | 328ad0a41c6bdf596224ff2e9ab9c0fabde8634d (patch) | |
tree | 973585a56cea8664b4be63b5bb737b443e4e2b76 /lib/nghttp3_unreachable.c | |
parent | Initial commit. (diff) | |
download | nghttp3-upstream.tar.xz nghttp3-upstream.zip |
Adding upstream version 0.8.0.upstream/0.8.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'lib/nghttp3_unreachable.c')
-rw-r--r-- | lib/nghttp3_unreachable.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/lib/nghttp3_unreachable.c b/lib/nghttp3_unreachable.c new file mode 100644 index 0000000..6fea89b --- /dev/null +++ b/lib/nghttp3_unreachable.c @@ -0,0 +1,72 @@ +/* + * nghttp3 + * + * Copyright (c) 2022 nghttp3 contributors + * Copyright (c) 2022 ngtcp2 contributors + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE + * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION + * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ +#include "nghttp3_unreachable.h" + +#include <stdio.h> +#include <errno.h> +#ifdef HAVE_UNISTD_H +# include <unistd.h> +#endif /* HAVE_UNISTD_H */ +#include <stdlib.h> +#ifdef WIN32 +# include <io.h> +#endif /* WIN32 */ + +void nghttp3_unreachable_fail(const char *file, int line, const char *func) { + char *buf; + size_t buflen; + int rv; + +#define NGHTTP3_UNREACHABLE_TEMPLATE "%s:%d %s: Unreachable.\n" + + rv = snprintf(NULL, 0, NGHTTP3_UNREACHABLE_TEMPLATE, file, line, func); + if (rv < 0) { + abort(); + } + + /* here we explicitly use system malloc */ + buflen = (size_t)rv + 1; + buf = malloc(buflen); + if (buf == NULL) { + abort(); + } + + rv = snprintf(buf, buflen, NGHTTP3_UNREACHABLE_TEMPLATE, file, line, func); + if (rv < 0) { + abort(); + } + +#ifndef WIN32 + while (write(STDERR_FILENO, buf, (size_t)rv) == -1 && errno == EINTR) + ; +#else /* WIN32 */ + _write(_fileno(stderr), buf, (unsigned int)rv); +#endif /* WIN32 */ + + free(buf); + + abort(); +} |