add ax88772C AX88772C_eeprom_tools

hc

2024-05-10 61598093bbdd283a7edc367d900f223070ead8d2

 kernel/include/linux/string_helpers.h
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@@ -2,6 +2,7 @@
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 #ifndef _LINUX_STRING_HELPERS_H_
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 #define _LINUX_STRING_HELPERS_H_
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+#include <linux/ctype.h>
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 #include <linux/types.h>
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 struct file;
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@@ -54,6 +55,9 @@
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 int string_escape_mem(const char *src, size_t isz, char *dst, size_t osz,
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 		unsigned int flags, const char *only);
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+int string_escape_mem_ascii(const char *src, size_t isz, char *dst,
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+					size_t osz);
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+
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 static inline int string_escape_mem_any_np(const char *src, size_t isz,
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 		char *dst, size_t osz, const char *only)
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 {
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@@ -72,8 +76,24 @@
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 	return string_escape_str(src, dst, sz, ESCAPE_ANY_NP, only);
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 }
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+static inline void string_upper(char *dst, const char *src)
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+{
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+	do {
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+		*dst++ = toupper(*src);
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+	} while (*src++);
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+}
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+
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+static inline void string_lower(char *dst, const char *src)
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+{
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+	do {
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+		*dst++ = tolower(*src);
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+	} while (*src++);
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+}
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+
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 char *kstrdup_quotable(const char *src, gfp_t gfp);
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 char *kstrdup_quotable_cmdline(struct task_struct *task, gfp_t gfp);
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 char *kstrdup_quotable_file(struct file *file, gfp_t gfp);
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+void kfree_strarray(char **array, size_t n);
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+
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 #endif