From 7861a52adf92a083bb2aed4c35f98d8035dce032 Mon Sep 17 00:00:00 2001 From: Xavier Del Campo Romero Date: Mon, 7 Jul 2025 13:22:53 +0200 Subject: Setup project skeleton --- src/endian/CMakeLists.txt | 19 ++++++++++++++++++ src/endian/include/endian.h | 46 +++++++++++++++++++++++++++++++++++++++++++ src/endian/src/CMakeLists.txt | 24 ++++++++++++++++++++++ src/endian/src/from_le16.c | 25 +++++++++++++++++++++++ src/endian/src/from_le32.c | 26 ++++++++++++++++++++++++ src/endian/src/from_le64.c | 32 ++++++++++++++++++++++++++++++ src/endian/src/to_le16.c | 32 ++++++++++++++++++++++++++++++ src/endian/src/to_le32.c | 34 ++++++++++++++++++++++++++++++++ src/endian/src/to_le64.c | 38 +++++++++++++++++++++++++++++++++++ 9 files changed, 276 insertions(+) create mode 100644 src/endian/CMakeLists.txt create mode 100644 src/endian/include/endian.h create mode 100644 src/endian/src/CMakeLists.txt create mode 100644 src/endian/src/from_le16.c create mode 100644 src/endian/src/from_le32.c create mode 100644 src/endian/src/from_le64.c create mode 100644 src/endian/src/to_le16.c create mode 100644 src/endian/src/to_le32.c create mode 100644 src/endian/src/to_le64.c (limited to 'src/endian') diff --git a/src/endian/CMakeLists.txt b/src/endian/CMakeLists.txt new file mode 100644 index 0000000..01a7e98 --- /dev/null +++ b/src/endian/CMakeLists.txt @@ -0,0 +1,19 @@ +# wnix, a Unix-like operating system for WebAssembly applications. +# Copyright (C) 2025 Xavier Del Campo Romero +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU Affero General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# 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 Affero General Public License for more details. +# +# You should have received a copy of the GNU Affero General Public License +# along with this program. If not, see . + +add_library(endian) +add_subdirectory(src) +target_include_directories(endian PUBLIC include PRIVATE private_include) diff --git a/src/endian/include/endian.h b/src/endian/include/endian.h new file mode 100644 index 0000000..7cd0aae --- /dev/null +++ b/src/endian/include/endian.h @@ -0,0 +1,46 @@ +/* + * wnix, a Unix-like operating system for WebAssembly applications. + * Copyright (C) 2025 Xavier Del Campo Romero + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * 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 Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see . + */ + +#ifndef ENDIAN_H +#define ENDIAN_H + +#include + +struct endian_le16 +{ + uint8_t v[sizeof (uint16_t)]; +}; + +struct endian_le32 +{ + uint8_t v[sizeof (uint32_t)]; +}; + +struct endian_le64 +{ + uint8_t v[sizeof (uint64_t)]; +}; + +uint16_t endian_from_le16(const struct endian_le16 *v); +uint32_t endian_from_le32(const struct endian_le32 *v); +uint64_t endian_from_le64(const struct endian_le64 *v); +struct endian_le16 endian_to_le16(uint16_t v); +struct endian_le32 endian_to_le32(uint32_t v); +struct endian_le64 endian_to_le64(uint64_t v); + +#endif diff --git a/src/endian/src/CMakeLists.txt b/src/endian/src/CMakeLists.txt new file mode 100644 index 0000000..962291a --- /dev/null +++ b/src/endian/src/CMakeLists.txt @@ -0,0 +1,24 @@ +# wnix, a Unix-like operating system for WebAssembly applications. +# Copyright (C) 2025 Xavier Del Campo Romero +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU Affero General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# 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 Affero General Public License for more details. +# +# You should have received a copy of the GNU Affero General Public License +# along with this program. If not, see . + +target_sources(endian PRIVATE + from_le16.c + from_le32.c + from_le64.c + to_le16.c + to_le32.c + to_le64.c +) diff --git a/src/endian/src/from_le16.c b/src/endian/src/from_le16.c new file mode 100644 index 0000000..30685fe --- /dev/null +++ b/src/endian/src/from_le16.c @@ -0,0 +1,25 @@ +/* + * wnix, a Unix-like operating system for WebAssembly applications. + * Copyright (C) 2025 Xavier Del Campo Romero + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * 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 Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see . + */ + +#include +#include + +uint16_t endian_from_le16(const struct endian_le16 *const v) +{ + return v->v[0] | (v->v[1] << 8); +} diff --git a/src/endian/src/from_le32.c b/src/endian/src/from_le32.c new file mode 100644 index 0000000..f56ee7b --- /dev/null +++ b/src/endian/src/from_le32.c @@ -0,0 +1,26 @@ +/* + * wnix, a Unix-like operating system for WebAssembly applications. + * Copyright (C) 2025 Xavier Del Campo Romero + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * 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 Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see . + */ + +#include +#include + +uint32_t endian_from_le32(const struct endian_le32 *const v) +{ + return v->v[0] | (v->v[1] << 8) | ((unsigned long)v->v[2] << 16) + | ((unsigned long)v->v[3] << 24); +} diff --git a/src/endian/src/from_le64.c b/src/endian/src/from_le64.c new file mode 100644 index 0000000..37b5f1a --- /dev/null +++ b/src/endian/src/from_le64.c @@ -0,0 +1,32 @@ +/* + * wnix, a Unix-like operating system for WebAssembly applications. + * Copyright (C) 2025 Xavier Del Campo Romero + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * 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 Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see . + */ + +#include +#include + +uint64_t endian_from_le64(const struct endian_le64 *const v) +{ + return v->v[0] + | (v->v[1] << 8) + | ((uint64_t)v->v[2] << 16ul) + | ((uint64_t)v->v[3] << 24ul) + | ((uint64_t)v->v[4] << 32ul) + | ((uint64_t)v->v[5] << 40ul) + | ((uint64_t)v->v[6] << 48ul) + | ((uint64_t)v->v[7] << 56ul); +} diff --git a/src/endian/src/to_le16.c b/src/endian/src/to_le16.c new file mode 100644 index 0000000..ddf8faf --- /dev/null +++ b/src/endian/src/to_le16.c @@ -0,0 +1,32 @@ +/* + * wnix, a Unix-like operating system for WebAssembly applications. + * Copyright (C) 2025 Xavier Del Campo Romero + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * 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 Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see . + */ + +#include +#include + +struct endian_le16 endian_to_le16(const uint16_t v) +{ + return (const struct endian_le16) + { + .v = + { + [0] = v, + [1] = v >> 8 + } + }; +} diff --git a/src/endian/src/to_le32.c b/src/endian/src/to_le32.c new file mode 100644 index 0000000..b16dd69 --- /dev/null +++ b/src/endian/src/to_le32.c @@ -0,0 +1,34 @@ +/* + * wnix, a Unix-like operating system for WebAssembly applications. + * Copyright (C) 2025 Xavier Del Campo Romero + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * 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 Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see . + */ + +#include +#include + +struct endian_le32 endian_to_le32(const uint32_t v) +{ + return (const struct endian_le32) + { + .v = + { + [0] = v, + [1] = v >> 8, + [2] = v >> 16, + [3] = v >> 24 + } + }; +} diff --git a/src/endian/src/to_le64.c b/src/endian/src/to_le64.c new file mode 100644 index 0000000..4d1ef1e --- /dev/null +++ b/src/endian/src/to_le64.c @@ -0,0 +1,38 @@ +/* + * wnix, a Unix-like operating system for WebAssembly applications. + * Copyright (C) 2025 Xavier Del Campo Romero + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * 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 Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see . + */ + +#include +#include + +struct endian_le64 endian_to_le64(const uint64_t v) +{ + return (const struct endian_le64) + { + .v = + { + [0] = v, + [1] = v >> 8, + [2] = v >> 16, + [3] = v >> 24, + [4] = v >> 32, + [5] = v >> 40, + [6] = v >> 48, + [7] = v >> 56, + } + }; +} -- cgit v1.2.3