summary refs log tree commit diff
path: root/shared/nm-utils/nm-errno.c
diff options
context:
space:
mode:
Diffstat (limited to 'shared/nm-utils/nm-errno.c')
-rw-r--r--shared/nm-utils/nm-errno.c198
1 files changed, 0 insertions, 198 deletions
diff --git a/shared/nm-utils/nm-errno.c b/shared/nm-utils/nm-errno.c
deleted file mode 100644
index 30eb9a8e..00000000
--- a/shared/nm-utils/nm-errno.c
+++ /dev/null
@@ -1,198 +0,0 @@
-/* NetworkManager -- Network link manager
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301 USA.
- *
- * Copyright 2018 Red Hat, Inc.
- */
-
-#include "nm-default.h"
-
-#include "nm-errno.h"
-
-#include <pthread.h>
-
-/*****************************************************************************/
-
-NM_UTILS_LOOKUP_STR_DEFINE_STATIC (_geterror,
-#if 0
-	enum _NMErrno,
-#else
-	int,
-#endif
-	NM_UTILS_LOOKUP_DEFAULT (NULL),
-
-	NM_UTILS_LOOKUP_STR_ITEM (NME_ERRNO_SUCCESS,      "NME_ERRNO_SUCCESS"),
-	NM_UTILS_LOOKUP_STR_ITEM (NME_ERRNO_OUT_OF_RANGE, "NME_ERRNO_OUT_OF_RANGE"),
-
-	NM_UTILS_LOOKUP_STR_ITEM (NME_UNSPEC,             "NME_UNSPEC"),
-	NM_UTILS_LOOKUP_STR_ITEM (NME_BUG,                "NME_BUG"),
-	NM_UTILS_LOOKUP_STR_ITEM (NME_NATIVE_ERRNO,       "NME_NATIVE_ERRNO"),
-
-	NM_UTILS_LOOKUP_STR_ITEM (NME_NL_ATTRSIZE,        "NME_NL_ATTRSIZE"),
-	NM_UTILS_LOOKUP_STR_ITEM (NME_NL_BAD_SOCK,        "NME_NL_BAD_SOCK"),
-	NM_UTILS_LOOKUP_STR_ITEM (NME_NL_DUMP_INTR,       "NME_NL_DUMP_INTR"),
-	NM_UTILS_LOOKUP_STR_ITEM (NME_NL_MSG_OVERFLOW,    "NME_NL_MSG_OVERFLOW"),
-	NM_UTILS_LOOKUP_STR_ITEM (NME_NL_MSG_TOOSHORT,    "NME_NL_MSG_TOOSHORT"),
-	NM_UTILS_LOOKUP_STR_ITEM (NME_NL_MSG_TRUNC,       "NME_NL_MSG_TRUNC"),
-	NM_UTILS_LOOKUP_STR_ITEM (NME_NL_SEQ_MISMATCH,    "NME_NL_SEQ_MISMATCH"),
-	NM_UTILS_LOOKUP_STR_ITEM (NME_NL_NOADDR,          "NME_NL_NOADDR"),
-
-	NM_UTILS_LOOKUP_STR_ITEM (NME_PL_NOT_FOUND,       "not-found"),
-	NM_UTILS_LOOKUP_STR_ITEM (NME_PL_EXISTS,          "exists"),
-	NM_UTILS_LOOKUP_STR_ITEM (NME_PL_WRONG_TYPE,      "wrong-type"),
-	NM_UTILS_LOOKUP_STR_ITEM (NME_PL_NOT_SLAVE,       "not-slave"),
-	NM_UTILS_LOOKUP_STR_ITEM (NME_PL_NO_FIRMWARE,     "no-firmware"),
-	NM_UTILS_LOOKUP_STR_ITEM (NME_PL_OPNOTSUPP,       "not-supported"),
-	NM_UTILS_LOOKUP_STR_ITEM (NME_PL_NETLINK,         "netlink"),
-	NM_UTILS_LOOKUP_STR_ITEM (NME_PL_CANT_SET_MTU,    "cant-set-mtu"),
-
-	NM_UTILS_LOOKUP_ITEM_IGNORE (_NM_ERRNO_MININT),
-	NM_UTILS_LOOKUP_ITEM_IGNORE (_NM_ERRNO_RESERVED_LAST_PLUS_1),
-);
-
-/**
- * nm_strerror():
- * @nmerr: the NetworkManager specific errno to be converted
- *   to string.
- *
- * NetworkManager specific error numbers reserve a range in "errno.h" with
- * our own defines. For numbers that don't fall into this range, the numbers
- * are identical to the common error numbers.
- *
- * Idential to strerror(), g_strerror(), nm_strerror_native() for error numbers
- * that are not in the reserved range of NetworkManager specific errors.
- *
- * Returns: (transfer none): the string representation of the error number.
- */
-const char *
-nm_strerror (int nmerr)
-{
-	const char *s;
-
-	nmerr = nm_errno (nmerr);
-
-	if (nmerr >= _NM_ERRNO_RESERVED_FIRST) {
-		s = _geterror (nmerr);
-		if (s)
-			return s;
-	}
-	return nm_strerror_native (nmerr);
-}
-
-/*****************************************************************************/
-
-/**
- * nm_strerror_native_r:
- * @errsv: the errno to convert to string.
- * @buf: the output buffer where to write the string to.
- * @buf_size: the length of buffer.
- *
- * This is like strerror_r(), with one difference: depending on the
- * locale, the returned string is guaranteed to be valid UTF-8.
- * Also, there is some confusion as to whether to use glibc's
- * strerror_r() or the POXIX/XSI variant. This is abstracted
- * by the function.
- *
- * Note that the returned buffer may also be a statically allocated
- * buffer, and not the input buffer @buf. Consequently, the returned
- * string may be longer than @buf_size.
- *
- * Returns: (transfer none): a NUL terminated error message. This is either a static
- *   string (that is never freed), or the provided @buf argumnt.
- */
-const char *
-nm_strerror_native_r (int errsv, char *buf, gsize buf_size)
-{
-	char *buf2;
-
-	nm_assert (buf);
-	nm_assert (buf_size > 0);
-
-#if (_POSIX_C_SOURCE >= 200112L) && !  _GNU_SOURCE
-	/* XSI-compliant */
-	{
-		int errno_saved = errno;
-
-		if (strerror_r (errsv, buf, buf_size) != 0) {
-			g_snprintf (buf, buf_size, "Unspecified errno %d", errsv);
-			errno = errno_saved;
-		}
-		buf2 = buf;
-	}
-#else
-	/* GNU-specific */
-	buf2 = strerror_r (errsv, buf, buf_size);
-#endif
-
-	/* like g_strerror(), ensure that the error message is UTF-8. */
-	if (   !g_get_charset (NULL)
-	    && !g_utf8_validate (buf2, -1, NULL)) {
-		gs_free char *msg = NULL;
-
-		msg = g_locale_to_utf8 (buf2, -1, NULL, NULL, NULL);
-		if (msg) {
-			g_strlcpy (buf, msg, buf_size);
-			buf2 = buf;
-		}
-	}
-
-	return buf2;
-}
-
-/**
- * nm_strerror_native:
- * @errsv: the errno integer from <errno.h>
- *
- * Like strerror(), but strerror() is not thread-safe and not guaranteed
- * to be UTF-8.
- *
- * g_strerror() is a thread-safe variant of strerror(), however it caches
- * all returned strings in a dictionary. That means, using this on untrusted
- * error numbers can result in this cache to grow without limits.
- *
- * Instead, return a tread-local buffer. This way, it's thread-safe.
- *
- * There is a downside to this: subsequent calls of nm_strerror_native()
- * overwrite the error message.
- *
- * Returns: (transfer none): the text representation of the error number.
- */
-const char *
-nm_strerror_native (int errsv)
-{
-	static _nm_thread_local char *buf_static = NULL;
-	char *buf;
-
-	buf = buf_static;
-	if (G_UNLIKELY (!buf)) {
-		int errno_saved = errno;
-		pthread_key_t key;
-
-		buf = g_malloc (NM_STRERROR_BUFSIZE);
-		buf_static = buf;
-
-		if (   pthread_key_create (&key, g_free) != 0
-		    || pthread_setspecific (key, buf) != 0) {
-			/* Failure. We will leak the buffer when the thread exits.
-			 *
-			 * Nothing we can do about it really. For Debug builds we fail with an assertion. */
-			nm_assert_not_reached ();
-		}
-		errno = errno_saved;
-	}
-
-	return nm_strerror_native_r (errsv, buf, NM_STRERROR_BUFSIZE);
-}