Improved C tool

3 files changed, 53 insertions, 111 deletions

diff --git a/tools/.clang-format b/tools/.clang-format
index 5ca25b8..67c9a1b 100644
--- a/tools/.clang-format
+++ b/tools/.clang-format
@@ -1,65 +1,19 @@
----
-Language:        Cpp
-# BasedOnStyle:  LLVM
-AccessModifierOffset: -2
-AlignAfterOpenBracket: true
-AlignEscapedNewlinesLeft: false
-AlignOperands:   true
-AlignTrailingComments: false
-AllowAllParametersOfDeclarationOnNextLine: true
-AllowShortBlocksOnASingleLine: false
-AllowShortCaseLabelsOnASingleLine: false
+AlignAfterOpenBracket: DontAlign
+AlignEscapedNewlines: DontAlign
+AllowShortBlocksOnASingleLine: Empty
+AllowShortCaseLabelsOnASingleLine: true
 AllowShortIfStatementsOnASingleLine: false
 AllowShortLoopsOnASingleLine: false
-AllowShortFunctionsOnASingleLine: None
-AlwaysBreakAfterDefinitionReturnType: true
-AlwaysBreakTemplateDeclarations: false
-AlwaysBreakBeforeMultilineStrings: false
-BreakBeforeBinaryOperators: None
-BreakBeforeTernaryOperators: true
-BreakConstructorInitializersBeforeComma: false
-BinPackParameters: true
-BinPackArguments: true
-ColumnLimit:     0
-ConstructorInitializerAllOnOneLineOrOnePerLine: false
-ConstructorInitializerIndentWidth: 4
-DerivePointerAlignment: false
-ExperimentalAutoDetectBinPacking: false
+AlwaysBreakAfterDefinitionReturnType: TopLevel
+BinPackArguments: false
+BinPackParameters: false
+BreakBeforeBraces: WebKit
 IndentCaseLabels: false
-IndentWrappedFunctionNames: false
-IndentFunctionDeclarationAfterType: false
-MaxEmptyLinesToKeep: 1
-KeepEmptyLinesAtTheStartOfBlocks: true
-NamespaceIndentation: None
-ObjCBlockIndentWidth: 2
-ObjCSpaceAfterProperty: false
-ObjCSpaceBeforeProtocolList: true
-PenaltyBreakBeforeFirstCallParameter: 19
-PenaltyBreakComment: 300
-PenaltyBreakString: 1000
-PenaltyBreakFirstLessLess: 120
-PenaltyExcessCharacter: 1000000
-PenaltyReturnTypeOnItsOwnLine: 60
-PointerAlignment: Left
-SpacesBeforeTrailingComments: 1
-Cpp11BracedListStyle: true
-Standard:        Cpp11
-IndentWidth:     8
-TabWidth:        8
-UseTab: ForIndentation
-BreakBeforeBraces: Linux
-SortIncludes: false
-SpacesInParentheses: false
-SpacesInSquareBrackets: false
-SpacesInAngles:  false
-SpaceInEmptyParentheses: false
-SpacesInCStyleCastParentheses: false
-SpaceAfterCStyleCast: false
-SpacesInContainerLiterals: true
-SpaceBeforeAssignmentOperators: true
+TabWidth: 4
+IndentWidth: 4
 ContinuationIndentWidth: 4
-CommentPragmas:  '^ IWYU pragma:'
-ForEachMacros:   [ foreach, Q_FOREACH, BOOST_FOREACH ]
-SpaceBeforeParens: Never
-DisableFormat:   false
-...
+UseTab: ForContinuationAndIndentation
+ColumnLimit: 0
+ReflowComments: false
+SortIncludes: false
+SpaceBeforeParens: false
\ No newline at end of file
diff --git a/tools/build.sh b/tools/build.sh
index a9ed3bc..2c73ddf 100755
--- a/tools/build.sh
+++ b/tools/build.sh
@@ -1,5 +1,7 @@
 #!/bin/bash
 
+rm -f ./themes
+
 clang-format -i themes.c
 
 # Linux
@@ -8,5 +10,3 @@ cc -std=c89 -DDEBUG -Wall -Wpedantic -Wshadow -Wextra -Werror=implicit-int -Werr
 # ./themes ../themes/apollo.svg
 
 cat ../themes/apollo.svg | ./themes
-
-rm ./themes
diff --git a/tools/themes.c b/tools/themes.c
index 69145c3..0c5ba73 100644
--- a/tools/themes.c
+++ b/tools/themes.c
@@ -1,37 +1,15 @@
 #include <stdio.h>
 
-#define BUFLEN 256
-
-int
-slen(char* s)
-{
-	int n = 0;
-	while(s[n] != '\0' && s[++n])
-		;
-	return n;
-}
-
 int
-cpos(char* s, char c)
+cpos(char *s, char c)
 {
-	int i;
-	for(i = 0; i < slen(s); i++)
-		if(s[i] == c)
-			return i;
+	int i = 0;
+	while(s[i])
+		if(s[i++] == c)
+			return i - 1;
 	return -1;
 }
 
-char*
-sstr(char* src, char* dest, int from, int to)
-{
-	int i;
-	char *a = (char*)src + from, *b = (char*)dest;
-	for(i = 0; i < to; i++)
-		b[i] = a[i];
-	dest[to] = '\0';
-	return dest;
-}
-
 unsigned char
 chex(char c)
 {
@@ -42,49 +20,59 @@ chex(char c)
 	return (c - '0') & 0xF;
 }
 
-unsigned long
-shex(char* s)
+int
+shex(char *s, int len)
 {
-	int i, n = 0, l = slen(s);
-	for(i = 0; i < l; ++i)
-		n |= (chex(s[i]) << ((l - i - 1) * 4));
+	int i, n = 0;
+	for(i = 0; i < len; ++i)
+		n |= (chex(s[i]) << ((len - i - 1) * 4));
 	return n;
 }
 
+char *
+sstr(char *src, char *dst, int from, int to)
+{
+	int i;
+	char *a = (char *)src + from, *b = (char *)dst;
+	for(i = 0; i < to; i++)
+		b[i] = a[i];
+	dst[to] = '\0';
+	return dst;
+}
+
 int
-error(char* name)
+error(char *name)
 {
 	printf("Error: %s\n", name);
 	return 0;
 }
 
 int
-parse(FILE* f)
+parse(FILE *f)
 {
 	int i, id = 0;
 	long theme[9];
-	char line[BUFLEN], hexs[BUFLEN];
-	while(fgets(line, BUFLEN, f)) {
+	char line[256], hexs[9][7];
+	while(fgets(line, 256, f)) {
 		int split = cpos(line, '#');
-		if(split < 0 || id > 9)
-			continue;
-		sstr(line, hexs, split, 7);
-		printf("%s ", hexs);
-		theme[id] = shex(hexs + 1);
-		id++;
+		if(split >= 0) {
+			sstr(line + split + 1, hexs[id], 0, 6);
+			theme[id++] = shex(line + split + 1, 6);
+		}
+		if(id >= 9)
+			break;
 	}
 	if(id != 9)
 		return error("Invalid theme");
-	for(i = 0; i < 9; ++i) {
-		printf("%ld ", theme[i]);
-	}
+	for(i = 0; i < 9; ++i)
+		printf("#%s = %ld\n", hexs[i], theme[i]);
 	return 1;
 }
 
 int
-main(int argc, char* argv[])
+main(int argc, char *argv[])
 {
-	FILE* input;
+	FILE *input;
 	if(argc == 2) {
 		input = fopen(argv[1], "rb");
 		if(input == NULL)
@@ -92,4 +80,4 @@ main(int argc, char* argv[])
 	} else
 		input = stdin;
 	return parse(input);
-}
\ No newline at end of file
+}