Commit 43bf9d97 authored by Thomas Weißschuh's avatar Thomas Weißschuh Committed by Gabriel Krisman Bertazi
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unicode: constify utf8 data table 



All users already handle the table as const data.
Move the table itself into .rodata to guard against accidental or
malicious modifications.

Signed-off-by: default avatarThomas Weißschuh <linux@weissschuh.net>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20240809-unicode-const-v1-1-69968a258092@weissschuh.net


Signed-off-by: default avatarGabriel Krisman Bertazi <krisman@suse.de>
parent 17712b7e

fs/unicode/mkutf8data.c

+1 −1
Original line number Diff line number Diff line
@@ -3338,7 +3338,7 @@ static void write_file(void) 
	}

	fprintf(file, "};\n");

	fprintf(file, "\n");

	fprintf(file, "struct utf8data_table utf8_data_table = {\n");

	fprintf(file, "const struct utf8data_table utf8_data_table = {\n");

	fprintf(file, "\t.utf8agetab = utf8agetab,\n");

	fprintf(file, "\t.utf8agetab_size = ARRAY_SIZE(utf8agetab),\n");

	fprintf(file, "\n");

fs/unicode/utf8data.c_shipped

+1 −1
Original line number Diff line number Diff line
@@ -4107,7 +4107,7 @@ static const unsigned char utf8data[64256] = { 
	0x81,0x80,0xcf,0x86,0x85,0x84,0xcf,0x86,0xcf,0x06,0x02,0x00,0x00,0x00,0x00,0x00

};



struct utf8data_table utf8_data_table = {

const struct utf8data_table utf8_data_table = {

	.utf8agetab = utf8agetab,

	.utf8agetab_size = ARRAY_SIZE(utf8agetab),

fs/unicode/utf8n.h

+1 −1
Original line number Diff line number Diff line
@@ -78,6 +78,6 @@ struct utf8data_table { 
	const unsigned char *utf8data;

};



extern struct utf8data_table utf8_data_table;

extern const struct utf8data_table utf8_data_table;



#endif /* UTF8NORM_H */