/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */ /* 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. * * (C) Copyright 2016 Red Hat, Inc. */ #ifndef __NM_SHARED_UTILS_H__ #define __NM_SHARED_UTILS_H__ /*****************************************************************************/ #define NM_CMP_SELF(a, b) \ G_STMT_START { \ if ((a) == (b)) \ return 0; \ if (!(a)) \ return -1; \ if (!(b)) \ return 1; \ } G_STMT_END #define NM_CMP_DIRECT(a, b) \ G_STMT_START { \ if ((a) != (b)) \ return ((a) < (b)) ? -1 : 1; \ } G_STMT_END #define NM_CMP_DIRECT_MEMCMP(a, b, size) \ G_STMT_START { \ int c = memcmp ((a), (b), (size)); \ if (c != 0) \ return c < 0 ? -1 : 1; \ } G_STMT_END #define NM_CMP_FIELD(a, b, field) \ G_STMT_START { \ if (((a)->field) != ((b)->field)) \ return (((a)->field) < ((b)->field)) ? -1 : 1; \ } G_STMT_END #define NM_CMP_FIELD_BOOL(a, b, field) \ G_STMT_START { \ if ((!((a)->field)) != (!((b)->field))) \ return ((!((a)->field)) < (!((b)->field))) ? -1 : 1; \ } G_STMT_END #define NM_CMP_FIELD_STR(a, b, field) \ G_STMT_START { \ int c = strcmp ((a)->field, (b)->field); \ if (c != 0) \ return c < 0 ? -1 : 1; \ } G_STMT_END #define NM_CMP_FIELD_STR_INTERNED(a, b, field) \ G_STMT_START { \ if (((a)->field) != ((b)->field)) { \ /* just to be sure, also do a strcmp() if the pointers don't match */ \ int c = g_strcmp0 ((a)->field, (b)->field); \ if (c != 0) \ return c < 0 ? -1 : 1; \ } \ } G_STMT_END #define NM_CMP_FIELD_STR0(a, b, field) \ G_STMT_START { \ int c = g_strcmp0 ((a)->field, (b)->field); \ if (c != 0) \ return c < 0 ? -1 : 1; \ } G_STMT_END #define NM_CMP_FIELD_MEMCMP_LEN(a, b, field, len) \ G_STMT_START { \ int c = memcmp (&((a)->field), &((b)->field), \ MIN (len, sizeof ((a)->field))); \ if (c != 0) \ return c < 0 ? -1 : 1; \ } G_STMT_END #define NM_CMP_FIELD_MEMCMP(a, b, field) \ G_STMT_START { \ int c = memcmp (&((a)->field), &((b)->field), \ sizeof ((a)->field)); \ if (c != 0) \ return c < 0 ? -1 : 1; \ } G_STMT_END /*****************************************************************************/ extern const void *const _NM_PTRARRAY_EMPTY[1]; #define NM_PTRARRAY_EMPTY(type) ((type const*) _NM_PTRARRAY_EMPTY) static inline void _nm_utils_strbuf_init (char *buf, gsize len, char **p_buf_ptr, gsize *p_buf_len) { NM_SET_OUT (p_buf_len, len); NM_SET_OUT (p_buf_ptr, buf); buf[0] = '\0'; } #define nm_utils_strbuf_init(buf, p_buf_ptr, p_buf_len) \ G_STMT_START { \ G_STATIC_ASSERT (G_N_ELEMENTS (buf) == sizeof (buf) && sizeof (buf) > sizeof (char *)); \ _nm_utils_strbuf_init ((buf), sizeof (buf), (p_buf_ptr), (p_buf_len)); \ } G_STMT_END void nm_utils_strbuf_append (char **buf, gsize *len, const char *format, ...) _nm_printf (3, 4); void nm_utils_strbuf_append_c (char **buf, gsize *len, char c); void nm_utils_strbuf_append_str (char **buf, gsize *len, const char *str); /*****************************************************************************/ gssize nm_utils_strv_find_first (char **list, gssize len, const char *needle); char **_nm_utils_strv_cleanup (char **strv, gboolean strip_whitespace, gboolean skip_empty, gboolean skip_repeated); /*****************************************************************************/ gint64 _nm_utils_ascii_str_to_int64 (const char *str, guint base, gint64 min, gint64 max, gint64 fallback); gint _nm_utils_ascii_str_to_bool (const char *str, gint default_value); /*****************************************************************************/ /** * NMUtilsError: * @NM_UTILS_ERROR_UNKNOWN: unknown or unclassified error * @NM_UTILS_ERROR_CANCELLED_DISPOSING: when disposing an object that has * pending aynchronous operations, the operation is cancelled with this * error reason. Depending on the usage, this might indicate a bug because * usually the target object should stay alive as long as there are pending * operations. * @NM_UTILS_ERROR_INVALID_ARGUMENT: invalid argument. */ typedef enum { NM_UTILS_ERROR_UNKNOWN = 0, /*< nick=Unknown >*/ NM_UTILS_ERROR_CANCELLED_DISPOSING, /*< nick=CancelledDisposing >*/ NM_UTILS_ERROR_INVALID_ARGUMENT, /*< nick=InvalidArgument >*/ } NMUtilsError; #define NM_UTILS_ERROR (nm_utils_error_quark ()) GQuark nm_utils_error_quark (void); void nm_utils_error_set_cancelled (GError **error, gboolean is_disposing, const char *instance_name); gboolean nm_utils_error_is_cancelled (GError *error, gboolean consider_is_disposing); /*****************************************************************************/ gboolean nm_g_object_set_property (GObject *object, const gchar *property_name, const GValue *value, GError **error); /*****************************************************************************/ typedef enum { NM_UTILS_STR_UTF8_SAFE_FLAG_NONE = 0, NM_UTILS_STR_UTF8_SAFE_FLAG_ESCAPE_CTRL = 0x0001, NM_UTILS_STR_UTF8_SAFE_FLAG_ESCAPE_NON_ASCII = 0x0002, } NMUtilsStrUtf8SafeFlags; const char *nm_utils_str_utf8safe_escape (const char *str, NMUtilsStrUtf8SafeFlags flags, char **to_free); const char *nm_utils_str_utf8safe_unescape (const char *str, char **to_free); char *nm_utils_str_utf8safe_escape_cp (const char *str, NMUtilsStrUtf8SafeFlags flags); char *nm_utils_str_utf8safe_unescape_cp (const char *str); char *nm_utils_str_utf8safe_escape_take (char *str, NMUtilsStrUtf8SafeFlags flags); /*****************************************************************************/ #endif /* __NM_SHARED_UTILS_H__ */