Initial commit

.clang-format

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+# Modified version of Linux's .clang-format
+---
+AccessModifierOffset: -4
+AlignAfterOpenBracket: Align
+AlignConsecutiveAssignments: false
+AlignConsecutiveDeclarations: false
+AlignEscapedNewlines: Left
+AlignOperands: true
+AlignTrailingComments: false
+AllowAllParametersOfDeclarationOnNextLine: false
+AllowShortBlocksOnASingleLine: false
+AllowShortCaseLabelsOnASingleLine: false
+AllowShortFunctionsOnASingleLine: None
+AllowShortIfStatementsOnASingleLine: false
+AllowShortLoopsOnASingleLine: false
+AlwaysBreakAfterDefinitionReturnType: None
+AlwaysBreakAfterReturnType: None
+AlwaysBreakBeforeMultilineStrings: false
+AlwaysBreakTemplateDeclarations: false
+BinPackArguments: true
+BinPackParameters: true
+BraceWrapping:
+  AfterClass: false
+  AfterControlStatement: false
+  AfterEnum: false
+  AfterFunction: true
+  AfterNamespace: true
+  AfterStruct: false
+  AfterUnion: false
+  AfterExternBlock: false
+  BeforeCatch: false
+  BeforeElse: false
+  IndentBraces: false
+  SplitEmptyFunction: true
+  SplitEmptyRecord: true
+  SplitEmptyNamespace: true
+BreakBeforeBinaryOperators: None
+BreakBeforeBraces: Custom
+BreakBeforeInheritanceComma: false
+BreakBeforeTernaryOperators: false
+BreakConstructorInitializersBeforeComma: false
+BreakConstructorInitializers: BeforeComma
+BreakStringLiterals: false
+ColumnLimit: 80
+CompactNamespaces: false
+ConstructorInitializerAllOnOneLineOrOnePerLine: false
+ConstructorInitializerIndentWidth: 4
+ContinuationIndentWidth: 4
+Cpp11BracedListStyle: false
+DerivePointerAlignment: false
+DisableFormat: false
+ExperimentalAutoDetectBinPacking: false
+FixNamespaceComments: false
+IndentCaseLabels: false
+IndentGotoLabels: false
+IndentPPDirectives: None
+IndentWidth: 4
+IndentWrappedFunctionNames: false
+KeepEmptyLinesAtTheStartOfBlocks: false
+MacroBlockBegin: ''
+MacroBlockEnd: ''
+MaxEmptyLinesToKeep: 1
+NamespaceIndentation: None
+PointerAlignment: Right
+ReflowComments: false
+SortIncludes: false
+SortUsingDeclarations: false
+SpaceAfterCStyleCast: false
+SpaceAfterTemplateKeyword: true
+SpaceBeforeAssignmentOperators: true
+SpaceBeforeCtorInitializerColon: true
+SpaceBeforeInheritanceColon: true
+SpaceBeforeParens: ControlStatementsExceptForEachMacros
+SpaceBeforeRangeBasedForLoopColon: true
+SpaceInEmptyParentheses: false
+SpacesBeforeTrailingComments: 1
+SpacesInAngles: false
+SpacesInContainerLiterals: false
+SpacesInCStyleCastParentheses: false
+SpacesInParentheses: false
+SpacesInSquareBrackets: false
+TabWidth: 4
+UseTab: Always
+...

.gitignore

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+.vscode/
+docs/
+
+.DS_Store
+*.o
+psh

LICENSE

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+Copyright (c) 2023 Jozef Nagy
+
+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.

Makefile

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+#
+# Copyright (c) 2023 Jozef Nagy
+# 
+# Use of this source code is governed by an MIT-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/MIT.
+#
+#
+
+CC := gcc
+LD := $(CC)
+
+INTERNAL_CFLAGS := -O2 -g3 -Wall -Wextra -Werror -pedantic -std=c99
+INTERNAL_LDFLAGS :=
+
+CFLAGS += $(INTERNAL_CFLAGS)
+LDFLAGS += $(INTERNAL_LDFLAGS)
+
+CFILES := $(shell find src -name "*.c")
+OBJ := $(CFILES:.c=.o)
+
+DEST := /usr/local/bin
+
+PROGRAM := psh
+
+.PHONY: all
+all: $(PROGRAM)
+
+$(PROGRAM): $(OBJ)
+	@printf " LD   $@\n"
+	@$(LD) $(LDFLAGS) $(OBJ) -o $@
+
+%.o: %.c
+	@printf " CC   $^\n"
+	@$(CC) $(CFLAGS) -c $< -o $@
+
+.PHONY: format
+format:
+	@clang-format -i $(CFILES)
+
+.PHONY: docs
+docs:
+	@printf " DOXY docs/html\n"
+	@mkdir -p docs
+	@doxygen
+	@printf " DOXY docs/latex\n"
+	@make -C docs/latex 1>/dev/null
+	@mv docs/latex/refman.pdf docs
+
+.PHONY: install
+install: $(PROGRAM)
+	@printf " INSTALL\n"
+	@sudo install -m 755 $(PROGRAM) $(DEST)
+
+.PHONY: uninstall
+uninstall:
+	@printf " UNINSTALL\n"
+	@sudo rm $(DEST)/$(PROGRAM)
+
+.PHONY: clean
+clean:
+	@printf " CLEAN\n"
+	@rm -rf $(OBJ) $(PROGRAM) docs/

README.md

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+# Pretty SHell
+
+Pretty SHell is a UNIX shell aiming for a stable and lightweight shell.
+
+## Contributing
+
+Pull requests are welcome. For major changes, please open an issue first
+to discuss what you would like to change
+
+## License
+
+Sailfish is licensed under the MIT license, which you can find [here](LICENSE).

src/psh.c

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+/**
+ * @file:		src/psh.c
+ * @author:		Jozef Nagy <schkwve@gmail.com>
+ * @copyright:	MIT (See LICENSE.md)
+ * @brief:		This file contains the main entry point.
+ */
+
+int main()
+{
+	return 0;
+}