Applied official linux kernel code style guidelines

Due to my change to vim and the clang-format plugin this was needed!

20 files changed, 261 insertions, 237 deletions

diff --git a/src/kernel/lib/math/pow.c b/src/kernel/lib/math/pow.c
index 24670a0..5cdcfa5 100644
--- a/src/kernel/lib/math/pow.c
+++ b/src/kernel/lib/math/pow.c
@@ -1,10 +1,13 @@
 int pow(int base, int exp)
 {
-    if (exp < 0) return 0;
+	if (exp < 0)
+		return 0;
 
-    if (!exp) return 1;
+	if (!exp)
+		return 1;
 
-    int ret = base;
-    for (int i = 1; i < exp; i++) ret *= base;
-    return ret;
+	int ret = base;
+	for (int i = 1; i < exp; i++)
+		ret *= base;
+	return ret;
 }
\ No newline at end of file
diff --git a/src/kernel/lib/memory.c b/src/kernel/lib/memory.c
index eb7f610..f9e0054 100644
--- a/src/kernel/lib/memory.c
+++ b/src/kernel/lib/memory.c
@@ -3,65 +3,67 @@
 
 void *memcpy(void *dest, const void *src, size_t count)
 {
-    const char *sp = (const char *) src;
-    char *dp = (char *) dest;
-    for (; count != 0; count--) *dp++ = *sp++;
-    return dest;
+	const char *sp = (const char *)src;
+	char *dp = (char *)dest;
+	for (; count != 0; count--)
+		*dp++ = *sp++;
+	return dest;
 }
 
 void *memset(void *dest, char val, size_t count)
 {
-    char *temp = (char *) dest;
-    for (; count != 0; count--) *temp++ = val;
-    return dest;
+	char *temp = (char *)dest;
+	for (; count != 0; count--)
+		*temp++ = val;
+	return dest;
 }
 
 int memcmp(const void *a_ptr, const void *b_ptr, size_t size)
 {
-    const unsigned char *a = (const unsigned char *) a_ptr;
-    const unsigned char *b = (const unsigned char *) b_ptr;
-    for (size_t i = 0; i < size; i++) {
-        if (a[i] < b[i])
-            return -1;
-        else if (b[i] < a[i])
-            return 1;
-    }
-    return 0;
+	const unsigned char *a = (const unsigned char *)a_ptr;
+	const unsigned char *b = (const unsigned char *)b_ptr;
+	for (size_t i = 0; i < size; i++) {
+		if (a[i] < b[i])
+			return -1;
+		else if (b[i] < a[i])
+			return 1;
+	}
+	return 0;
 }
 
 uint32_t total_memory;
 
 struct memory_entry {
-    uint64_t base;
-    uint64_t length;
-    uint32_t type;
+	uint64_t base;
+	uint64_t length;
+	uint32_t type;
 } __attribute__((packed));
 
 struct memory_entry *memory_get_entries()
 {
-    return (struct memory_entry *) 0xA000;
+	return (struct memory_entry *)0xA000;
 }
 
 void memory_init()
 {
-    uint64_t max_base = 0;
-    uint64_t max_length = 0;
-    for (struct memory_entry *i = memory_get_entries(); i->type; i++) {
-        if (i->type == 1 && i->base > max_base) {
-            max_base = i->base;
-            max_length = i->length;
-        }
-    }
-    total_memory = (uint32_t) (max_base + max_length);
-    total_memory /= 1024;
+	uint64_t max_base = 0;
+	uint64_t max_length = 0;
+	for (struct memory_entry *i = memory_get_entries(); i->type; i++) {
+		if (i->type == 1 && i->base > max_base) {
+			max_base = i->base;
+			max_length = i->length;
+		}
+	}
+	total_memory = (uint32_t)(max_base + max_length);
+	total_memory /= 1024;
 }
 
 uint32_t memory_get_free()
 {
-    return total_memory; // - paging_get_used_pages() * 4;
+	return total_memory; // - paging_get_used_pages() * 4;
 }
 
 uint32_t memory_get_all()
 {
-    return total_memory;
+	return total_memory;
 }
\ No newline at end of file
diff --git a/src/kernel/lib/stdio/debug.c b/src/kernel/lib/stdio/debug.c
index cd042f4..b5e5094 100644
--- a/src/kernel/lib/stdio/debug.c
+++ b/src/kernel/lib/stdio/debug.c
@@ -7,54 +7,55 @@
 
 void _write_serial(const char *data)
 {
-    for (size_t i = 0; i < strlen(data); i++) serial_put(data[i]);
+	for (size_t i = 0; i < strlen(data); i++)
+		serial_put(data[i]);
 }
 
 void serial_printf(const char *fmt, ...)
 {
-    va_list args;
-    va_start(args, fmt);
-
-    uint8_t readyToFormat = 0;
-
-    char buff = 0;
-
-    for (; *fmt; fmt++) {
-        if (readyToFormat) {
-            if (*fmt == '%') {
-                serial_put('%');
-                readyToFormat = 0;
-                continue;
-            }
-
-            buff = *fmt;
-            if (buff == 's') {
-                const char *str = va_arg(args, const char*);
-                _write_serial(str);
-                readyToFormat = 0;
-            } else if (buff == 'x') {
-                char *p = htoa((uint32_t) va_arg(args, int));
-                _write_serial(p);
-                kfree(p);
-                readyToFormat = 0;
-            } else if (buff == 'd') {
-                char *p = itoa(va_arg(args, int));
-                _write_serial(p);
-                kfree(p);
-                readyToFormat = 0;
-            } else if (buff == 'c') {
-                serial_put((char) va_arg(args, int));
-                readyToFormat = 0;
-            }
-        } else {
-            if (*fmt == '%')
-                readyToFormat = 1;
-            else
-                serial_put(*fmt);
-        }
-    }
-
-    serial_put('\n');
-
-    va_end(args);
+	va_list args;
+	va_start(args, fmt);
+
+	uint8_t readyToFormat = 0;
+
+	char buff = 0;
+
+	for (; *fmt; fmt++) {
+		if (readyToFormat) {
+			if (*fmt == '%') {
+				serial_put('%');
+				readyToFormat = 0;
+				continue;
+			}
+
+			buff = *fmt;
+			if (buff == 's') {
+				const char *str = va_arg(args, const char *);
+				_write_serial(str);
+				readyToFormat = 0;
+			} else if (buff == 'x') {
+				char *p = htoa((uint32_t)va_arg(args, int));
+				_write_serial(p);
+				kfree(p);
+				readyToFormat = 0;
+			} else if (buff == 'd') {
+				char *p = itoa(va_arg(args, int));
+				_write_serial(p);
+				kfree(p);
+				readyToFormat = 0;
+			} else if (buff == 'c') {
+				serial_put((char)va_arg(args, int));
+				readyToFormat = 0;
+			}
+		} else {
+			if (*fmt == '%')
+				readyToFormat = 1;
+			else
+				serial_put(*fmt);
+		}
+	}
+
+	serial_put('\n');
+
+	va_end(args);
 }
\ No newline at end of file
diff --git a/src/kernel/lib/stdio/getch.c b/src/kernel/lib/stdio/getch.c
index f3ccbd9..e806013 100644
--- a/src/kernel/lib/stdio/getch.c
+++ b/src/kernel/lib/stdio/getch.c
@@ -3,9 +3,9 @@
 
 char getch()
 {
-    keyboard_char_buffer = 0;
-    while (keyboard_char_buffer == 0) {
-        timer_wait(1); // IDK why!
-    }
-    return keyboard_char_buffer;
+	keyboard_char_buffer = 0;
+	while (keyboard_char_buffer == 0) {
+		timer_wait(1); // IDK why!
+	}
+	return keyboard_char_buffer;
 }
\ No newline at end of file
diff --git a/src/kernel/lib/stdio/printf.c b/src/kernel/lib/stdio/printf.c
index accb97d..5c3eb8e 100644
--- a/src/kernel/lib/stdio/printf.c
+++ b/src/kernel/lib/stdio/printf.c
@@ -3,8 +3,8 @@
 
 void printf(const char *fmt, ...)
 {
-    va_list args;
-    va_start(args, fmt);
-    vprintf(fmt, args);
-    va_end(args);
+	va_list args;
+	va_start(args, fmt);
+	vprintf(fmt, args);
+	va_end(args);
 }
\ No newline at end of file
diff --git a/src/kernel/lib/stdio/readline.c b/src/kernel/lib/stdio/readline.c
index c65882d..1bda252 100644
--- a/src/kernel/lib/stdio/readline.c
+++ b/src/kernel/lib/stdio/readline.c
@@ -3,7 +3,8 @@
 
 char *readline()
 {
-    keyboard_clear_buffer();
-    while (keyboard_buffer[strlen(keyboard_buffer) - 1] != '\n') {}
-    return keyboard_buffer;
+	keyboard_clear_buffer();
+	while (keyboard_buffer[strlen(keyboard_buffer) - 1] != '\n') {
+	}
+	return keyboard_buffer;
 }
\ No newline at end of file
diff --git a/src/kernel/lib/stdio/vprintf.c b/src/kernel/lib/stdio/vprintf.c
index af8e47f..b9188c6 100644
--- a/src/kernel/lib/stdio/vprintf.c
+++ b/src/kernel/lib/stdio/vprintf.c
@@ -7,47 +7,48 @@
 
 void _writes(const char *data)
 {
-    for (size_t i = 0; i < strlen(data); i++) writec(data[i]);
+	for (size_t i = 0; i < strlen(data); i++)
+		writec(data[i]);
 }
 
 void vprintf(const char *fmt, va_list args)
 {
-    uint8_t readyToFormat = 0;
+	uint8_t readyToFormat = 0;
 
-    char buff = 0;
+	char buff = 0;
 
-    for (; *fmt; fmt++) {
-        if (readyToFormat) {
-            if (*fmt == '%') {
-                writec('%');
-                readyToFormat = 0;
-                continue;
-            }
+	for (; *fmt; fmt++) {
+		if (readyToFormat) {
+			if (*fmt == '%') {
+				writec('%');
+				readyToFormat = 0;
+				continue;
+			}
 
-            buff = *fmt;
-            if (buff == 's') {
-                const char *str = va_arg(args, const char*);
-                _writes(str);
-                readyToFormat = 0;
-            } else if (buff == 'x') {
-                char *p = htoa((uint32_t) va_arg(args, int));
-                _writes(p);
-                kfree(p);
-                readyToFormat = 0;
-            } else if (buff == 'd') {
-                char *p = itoa(va_arg(args, int));
-                _writes(p);
-                kfree(p);
-                readyToFormat = 0;
-            } else if (buff == 'c') {
-                writec((char) va_arg(args, int));
-                readyToFormat = 0;
-            }
-        } else {
-            if (*fmt == '%')
-                readyToFormat = 1;
-            else
-                writec(*fmt);
-        }
-    }
+			buff = *fmt;
+			if (buff == 's') {
+				const char *str = va_arg(args, const char *);
+				_writes(str);
+				readyToFormat = 0;
+			} else if (buff == 'x') {
+				char *p = htoa((uint32_t)va_arg(args, int));
+				_writes(p);
+				kfree(p);
+				readyToFormat = 0;
+			} else if (buff == 'd') {
+				char *p = itoa(va_arg(args, int));
+				_writes(p);
+				kfree(p);
+				readyToFormat = 0;
+			} else if (buff == 'c') {
+				writec((char)va_arg(args, int));
+				readyToFormat = 0;
+			}
+		} else {
+			if (*fmt == '%')
+				readyToFormat = 1;
+			else
+				writec(*fmt);
+		}
+	}
 }
\ No newline at end of file
diff --git a/src/kernel/lib/stdio/writec.c b/src/kernel/lib/stdio/writec.c
index 94d4fed..83b05de 100644
--- a/src/kernel/lib/stdio/writec.c
+++ b/src/kernel/lib/stdio/writec.c
@@ -2,5 +2,5 @@
 
 void writec(char c)
 {
-    vesa_draw_char(c);
+	vesa_draw_char(c);
 }
\ No newline at end of file
diff --git a/src/kernel/lib/stdlib/atoi.c b/src/kernel/lib/stdlib/atoi.c
index bcdd395..2d58d84 100644
--- a/src/kernel/lib/stdlib/atoi.c
+++ b/src/kernel/lib/stdlib/atoi.c
@@ -5,20 +5,24 @@
 
 int atoi(char *str)
 {
-    size_t s_str = strlen(str);
-    if (!s_str) return 0;
+	size_t s_str = strlen(str);
+	if (!s_str)
+		return 0;
 
-    uint8_t negative = 0;
-    if (str[0] == '-') negative = 1;
+	uint8_t negative = 0;
+	if (str[0] == '-')
+		negative = 1;
 
-    size_t i = 0;
-    if (negative) i++;
+	size_t i = 0;
+	if (negative)
+		i++;
 
-    int ret = 0;
-    for (; i < s_str; i++) {
-        ret += (str[i] - '0') * pow(10, (int) ((s_str - i) - 1));
-    }
+	int ret = 0;
+	for (; i < s_str; i++) {
+		ret += (str[i] - '0') * pow(10, (int)((s_str - i) - 1));
+	}
 
-    if (negative) ret *= -1;
-    return ret;
+	if (negative)
+		ret *= -1;
+	return ret;
 }
\ No newline at end of file
diff --git a/src/kernel/lib/stdlib/htoa.c b/src/kernel/lib/stdlib/htoa.c
index 49ca703..ee639ec 100644
--- a/src/kernel/lib/stdlib/htoa.c
+++ b/src/kernel/lib/stdlib/htoa.c
@@ -6,25 +6,26 @@ static const char HTOA_TABLE[] = "0123456789ABCDEF";
 
 char *htoa(uint32_t n)
 {
-    char *ret = (char *) kmalloc(10);
+	char *ret = (char *)kmalloc(10);
 
-    int i = 0;
-    while (n) {
-        ret[i++] = HTOA_TABLE[n & 0xF];
-        n >>= 4;
-    }
+	int i = 0;
+	while (n) {
+		ret[i++] = HTOA_TABLE[n & 0xF];
+		n >>= 4;
+	}
 
-    if (!i) {
-        ret[0] = '0';
-        i++;
-    }
+	if (!i) {
+		ret[0] = '0';
+		i++;
+	}
 
-    for (; i <= 9; i++) ret[i] = 0;
+	for (; i <= 9; i++)
+		ret[i] = 0;
 
-    char *aux = strdup(ret);
-    kfree(ret);
-    ret = aux;
+	char *aux = strdup(ret);
+	kfree(ret);
+	ret = aux;
 
-    strinv(ret);
-    return ret;
+	strinv(ret);
+	return ret;
 }
\ No newline at end of file
diff --git a/src/kernel/lib/stdlib/htoi.c b/src/kernel/lib/stdlib/htoi.c
index cc77e16..dcc4b63 100644
--- a/src/kernel/lib/stdlib/htoi.c
+++ b/src/kernel/lib/stdlib/htoi.c
@@ -4,20 +4,20 @@
 
 int htoi(char *str)
 {
-    size_t s_str = strlen(str);
+	size_t s_str = strlen(str);
 
-    size_t i = 0;
-    int ret = 0;
-    for (; i < s_str; i++) {
-        char c = str[i];
-        int aux = 0;
-        if (c >= '0' && c <= '9')
-            aux = c - '0';
-        else if (c >= 'A' && c <= 'F')
-            aux = (c - 'A') + 10;
+	size_t i = 0;
+	int ret = 0;
+	for (; i < s_str; i++) {
+		char c = str[i];
+		int aux = 0;
+		if (c >= '0' && c <= '9')
+			aux = c - '0';
+		else if (c >= 'A' && c <= 'F')
+			aux = (c - 'A') + 10;
 
-        ret += aux * pow(16, (int) ((s_str - i) - 1));
-    }
+		ret += aux * pow(16, (int)((s_str - i) - 1));
+	}
 
-    return ret;
+	return ret;
 }
\ No newline at end of file
diff --git a/src/kernel/lib/stdlib/itoa.c b/src/kernel/lib/stdlib/itoa.c
index dec75bf..94c3351 100644
--- a/src/kernel/lib/stdlib/itoa.c
+++ b/src/kernel/lib/stdlib/itoa.c
@@ -8,38 +8,40 @@ static const char ITOA_TABLE[] = "0123456789";
 
 char *itoa(int n)
 {
-    if (paging_enabled == 0)
-        return "0"; // kmalloc isn't available
-
-    if (!n) {
-        char *ret = (char *) kmalloc(2);
-        ret[0] = '0';
-        ret[1] = 0;
-        return ret;
-    }
-    uint8_t negative = (uint8_t) (n < 0);
-    if (negative) n *= -1;
-
-    int sz;
-    for (sz = 0; n % pow(10, sz) != n; sz++) {}
-
-    char *ret = (char *) kmalloc((uint32_t) (sz + 1));
-
-    for (int i = 0; i < sz; i++) {
-        int digit = (n % pow(10, i + 1)) / pow(10, i);
-        ret[i] = ITOA_TABLE[digit];
-    }
-    ret[sz] = 0;
-
-    if (negative) {
-        char *aux = (char *) kmalloc((uint32_t) (sz + 2));
-        strcpy(aux, ret);
-        aux[sz] = '-';
-        aux[sz + 1] = 0;
-        kfree(ret);
-        ret = aux;
-    }
-
-    strinv(ret);
-    return ret;
+	if (paging_enabled == 0)
+		return "0"; // kmalloc isn't available
+
+	if (!n) {
+		char *ret = (char *)kmalloc(2);
+		ret[0] = '0';
+		ret[1] = 0;
+		return ret;
+	}
+	uint8_t negative = (uint8_t)(n < 0);
+	if (negative)
+		n *= -1;
+
+	int sz;
+	for (sz = 0; n % pow(10, sz) != n; sz++) {
+	}
+
+	char *ret = (char *)kmalloc((uint32_t)(sz + 1));
+
+	for (int i = 0; i < sz; i++) {
+		int digit = (n % pow(10, i + 1)) / pow(10, i);
+		ret[i] = ITOA_TABLE[digit];
+	}
+	ret[sz] = 0;
+
+	if (negative) {
+		char *aux = (char *)kmalloc((uint32_t)(sz + 2));
+		strcpy(aux, ret);
+		aux[sz] = '-';
+		aux[sz + 1] = 0;
+		kfree(ret);
+		ret = aux;
+	}
+
+	strinv(ret);
+	return ret;
 }
\ No newline at end of file
diff --git a/src/kernel/lib/string/strcat.c b/src/kernel/lib/string/strcat.c
index e0d6885..4328f87 100644
--- a/src/kernel/lib/string/strcat.c
+++ b/src/kernel/lib/string/strcat.c
@@ -2,9 +2,10 @@
 
 void strcat(char *dest, const char *orig)
 {
-    size_t s_dest = strlen(dest);
-    size_t s_orig = strlen(orig);
+	size_t s_dest = strlen(dest);
+	size_t s_orig = strlen(orig);
 
-    for (size_t i = 0; i < s_orig; i++) dest[s_dest + i] = orig[i];
-    dest[s_dest + s_orig] = 0;
+	for (size_t i = 0; i < s_orig; i++)
+		dest[s_dest + i] = orig[i];
+	dest[s_dest + s_orig] = 0;
 }
\ No newline at end of file
diff --git a/src/kernel/lib/string/strcati.c b/src/kernel/lib/string/strcati.c
index 9ee3a43..5dab283 100644
--- a/src/kernel/lib/string/strcati.c
+++ b/src/kernel/lib/string/strcati.c
@@ -2,7 +2,8 @@
 
 void strcati(char *dest, const char *orig)
 {
-    size_t s_orig = strlen(orig);
-    strdisp(dest, (int) s_orig);
-    for (size_t i = 0; i < s_orig; i++) dest[i] = orig[i];
+	size_t s_orig = strlen(orig);
+	strdisp(dest, (int)s_orig);
+	for (size_t i = 0; i < s_orig; i++)
+		dest[i] = orig[i];
 }
\ No newline at end of file
diff --git a/src/kernel/lib/string/strcmp.c b/src/kernel/lib/string/strcmp.c
index b8ac2a7..89f77a0 100644
--- a/src/kernel/lib/string/strcmp.c
+++ b/src/kernel/lib/string/strcmp.c
@@ -2,9 +2,12 @@
 
 char strcmp(const char *a, const char *b)
 {
-    if (strlen(a) != strlen(b)) return 1;
+	if (strlen(a) != strlen(b))
+		return 1;
 
-    for (size_t i = 0; i < strlen(a); i++) if (a[i] != b[i]) return 1;
+	for (size_t i = 0; i < strlen(a); i++)
+		if (a[i] != b[i])
+			return 1;
 
-    return 0;
+	return 0;
 }
\ No newline at end of file
diff --git a/src/kernel/lib/string/strcpy.c b/src/kernel/lib/string/strcpy.c
index bab8535..6117e7c 100644
--- a/src/kernel/lib/string/strcpy.c
+++ b/src/kernel/lib/string/strcpy.c
@@ -2,8 +2,9 @@
 
 void strcpy(char *dest, const char *orig)
 {
-    size_t s_orig = strlen(orig);
+	size_t s_orig = strlen(orig);
 
-    for (size_t i = 0; i < s_orig; i++) dest[i] = orig[i];
-    dest[s_orig] = 0;
+	for (size_t i = 0; i < s_orig; i++)
+		dest[i] = orig[i];
+	dest[s_orig] = 0;
 }
\ No newline at end of file
diff --git a/src/kernel/lib/string/strdisp.c b/src/kernel/lib/string/strdisp.c
index 36c03c3..e63f038 100644
--- a/src/kernel/lib/string/strdisp.c
+++ b/src/kernel/lib/string/strdisp.c
@@ -2,11 +2,13 @@
 
 void strdisponce(char *str)
 {
-    for (size_t i = sizeof(str) + 2; i > 0; i--) str[i] = str[i - 1];
-    str[0] = 0;
+	for (size_t i = sizeof(str) + 2; i > 0; i--)
+		str[i] = str[i - 1];
+	str[0] = 0;
 }
 
 void strdisp(char *str, int n)
 {
-    for (int i = 0; i < n; i++) strdisponce(str);
+	for (int i = 0; i < n; i++)
+		strdisponce(str);
 }
\ No newline at end of file
diff --git a/src/kernel/lib/string/strdup.c b/src/kernel/lib/string/strdup.c
index e59dff4..82d14ef 100644
--- a/src/kernel/lib/string/strdup.c
+++ b/src/kernel/lib/string/strdup.c
@@ -3,8 +3,8 @@
 
 char *strdup(const char *orig)
 {
-    size_t s_orig = strlen(orig);
-    char *ret = (char *) kmalloc(s_orig + 1);
-    strcpy(ret, orig);
-    return ret;
+	size_t s_orig = strlen(orig);
+	char *ret = (char *)kmalloc(s_orig + 1);
+	strcpy(ret, orig);
+	return ret;
 }
\ No newline at end of file
diff --git a/src/kernel/lib/string/strinv.c b/src/kernel/lib/string/strinv.c
index b4b4212..071a99d 100644
--- a/src/kernel/lib/string/strinv.c
+++ b/src/kernel/lib/string/strinv.c
@@ -2,12 +2,12 @@
 
 void strinv(char *str)
 {
-    size_t s_str = strlen(str);
+	size_t s_str = strlen(str);
 
-    int iterations = (int) s_str / 2;
-    for (int i = 0; i < iterations; i++) {
-        char aux = str[i];
-        str[i] = str[(s_str - i) - 1];
-        str[(s_str - i) - 1] = aux;
-    }
+	int iterations = (int)s_str / 2;
+	for (int i = 0; i < iterations; i++) {
+		char aux = str[i];
+		str[i] = str[(s_str - i) - 1];
+		str[(s_str - i) - 1] = aux;
+	}
 }
\ No newline at end of file
diff --git a/src/kernel/lib/string/strlen.c b/src/kernel/lib/string/strlen.c
index 77e3c00..9e7e448 100644
--- a/src/kernel/lib/string/strlen.c
+++ b/src/kernel/lib/string/strlen.c
@@ -2,7 +2,8 @@
 
 size_t strlen(const char *str)
 {
-    size_t len = 0;
-    while (str[len]) len++;
-    return len;
+	size_t len = 0;
+	while (str[len])
+		len++;
+	return len;
 }
\ No newline at end of file