GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

2026-09-06 03:52:57 +08:00
commit b1928b41c0
21813 changed files with 4413081 additions and 0 deletions
@@ -0,0 +1,165 @@
+/*
+ *  linux/lib/vsprintf.c
+ *
+ *  Copyright (C) 1991, 1992  Linus Torvalds
+ */
+
+/* vsprintf.c -- Lars Wirzenius & Linus Torvalds. */
+/*
+ * Wirzenius wrote this portably, Torvalds fucked it up :-)
+ */
+
+#include <common.h>
+#include <errno.h>
+#include <linux/ctype.h>
+
+/* from lib/kstrtox.c */
+static const char *_parse_integer_fixup_radix(const char *s, unsigned int *base)
+{
+	if (*base == 0) {
+		if (s[0] == '0') {
+			if (tolower(s[1]) == 'x' && isxdigit(s[2]))
+				*base = 16;
+			else
+				*base = 8;
+		} else
+			*base = 10;
+	}
+	if (*base == 16 && s[0] == '0' && tolower(s[1]) == 'x')
+		s += 2;
+	return s;
+}
+
+unsigned long simple_strtoul(const char *cp, char **endp,
+				unsigned int base)
+{
+	unsigned long result = 0;
+	unsigned long value;
+
+	cp = _parse_integer_fixup_radix(cp, &base);
+
+	while (isxdigit(*cp) && (value = isdigit(*cp) ? *cp-'0' : (islower(*cp)
+	    ? toupper(*cp) : *cp)-'A'+10) < base) {
+		result = result*base + value;
+		cp++;
+	}
+
+	if (endp)
+		*endp = (char *)cp;
+
+	return result;
+}
+
+int strict_strtoul(const char *cp, unsigned int base, unsigned long *res)
+{
+	char *tail;
+	unsigned long val;
+	size_t len;
+
+	*res = 0;
+	len = strlen(cp);
+	if (len == 0)
+		return -EINVAL;
+
+	val = simple_strtoul(cp, &tail, base);
+	if (tail == cp)
+		return -EINVAL;
+
+	if ((*tail == '\0') ||
+		((len == (size_t)(tail - cp) + 1) && (*tail == '\n'))) {
+		*res = val;
+		return 0;
+	}
+
+	return -EINVAL;
+}
+
+long simple_strtol(const char *cp, char **endp, unsigned int base)
+{
+	if (*cp == '-')
+		return -simple_strtoul(cp + 1, endp, base);
+
+	return simple_strtoul(cp, endp, base);
+}
+
+unsigned long ustrtoul(const char *cp, char **endp, unsigned int base)
+{
+	unsigned long result = simple_strtoul(cp, endp, base);
+	switch (tolower(**endp)) {
+	case 'g':
+		result *= 1024;
+		/* fall through */
+	case 'm':
+		result *= 1024;
+		/* fall through */
+	case 'k':
+		result *= 1024;
+		(*endp)++;
+		if (**endp == 'i')
+			(*endp)++;
+		if (**endp == 'B')
+			(*endp)++;
+	}
+	return result;
+}
+
+unsigned long long ustrtoull(const char *cp, char **endp, unsigned int base)
+{
+	unsigned long long result = simple_strtoull(cp, endp, base);
+	switch (tolower(**endp)) {
+	case 'g':
+		result *= 1024;
+		/* fall through */
+	case 'm':
+		result *= 1024;
+		/* fall through */
+	case 'k':
+		result *= 1024;
+		(*endp)++;
+		if (**endp == 'i')
+			(*endp)++;
+		if (**endp == 'B')
+			(*endp)++;
+	}
+	return result;
+}
+
+unsigned long long simple_strtoull(const char *cp, char **endp,
+					unsigned int base)
+{
+	unsigned long long result = 0, value;
+
+	cp = _parse_integer_fixup_radix(cp, &base);
+
+	while (isxdigit(*cp) && (value = isdigit(*cp) ? *cp - '0'
+		: (islower(*cp) ? toupper(*cp) : *cp) - 'A' + 10) < base) {
+		result = result * base + value;
+		cp++;
+	}
+
+	if (endp)
+		*endp = (char *) cp;
+
+	return result;
+}
+
+long trailing_strtoln(const char *str, const char *end)
+{
+	const char *p;
+
+	if (!end)
+		end = str + strlen(str);
+	if (isdigit(end[-1])) {
+		for (p = end - 1; p > str; p--) {
+			if (!isdigit(*p))
+				return simple_strtoul(p + 1, NULL, 10);
+		}
+	}
+
+	return -1;
+}
+
+long trailing_strtol(const char *str)
+{
+	return trailing_strtoln(str, NULL);
+}