Fixed broken files/code and other errors

1 files changed, 54 insertions, 0 deletions

diff --git a/src/string_utils.h b/src/string_utils.h
new file mode 100644
index 0000000..38febde
--- /dev/null
+++ b/src/string_utils.h
@@ -0,0 +1,54 @@
+// SPDX-License-Identifier: MPL-2.0
+// Copyright (c) Yuxuan Shui <[email protected]>
+#pragma once
+#include <ctype.h>
+#include <stddef.h>
+
+#include "compiler.h"
+
+#define mstrncmp(s1, s2) strncmp((s1), (s2), strlen(s1))
+
+char *mstrjoin(const char *src1, const char *src2);
+char *mstrjoin3(const char *src1, const char *src2, const char *src3);
+void mstrextend(char **psrc1, const char *src2);
+
+/// Parse a floating point number of form (+|-)?[0-9]*(\.[0-9]*)
+double strtod_simple(const char *, const char **);
+
+static inline int uitostr(unsigned int n, char *buf) {
+	int ret = 0;
+	unsigned int tmp = n;
+	while (tmp > 0) {
+		tmp /= 10;
+		ret++;
+	}
+
+	if (ret == 0)
+		ret = 1;
+
+	int pos = ret;
+	while (pos--) {
+		buf[pos] = (char)(n % 10 + '0');
+		n /= 10;
+	}
+	return ret;
+}
+
+static inline const char *skip_space_const(const char *src) {
+	if (!src)
+		return NULL;
+	while (*src && isspace((unsigned char)*src))
+		src++;
+	return src;
+}
+
+static inline char *skip_space_mut(char *src) {
+	if (!src)
+		return NULL;
+	while (*src && isspace((unsigned char)*src))
+		src++;
+	return src;
+}
+
+#define skip_space(x)                                                                    \
+	_Generic((x), char * : skip_space_mut, const char * : skip_space_const)(x)