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utf8.c: avoid char overflow

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In ISO C, char constants must be in the range -128..127. Change the BOM
constants to char literals to avoid overflow.

Signed-off-by: Beat Bolli <dev+git@drbeat.li>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Beat Bolli 2018-07-09 21:25:37 +02:00 committed by Junio C Hamano
parent b6d3f5a960
commit 2b647a05d7
1 changed files with 4 additions and 4 deletions
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utf8.c
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@ -566,10 +566,10 @@ static int has_bom_prefix(const char *data, size_t len,
return data && bom && (len >= bom_len) && !memcmp(data, bom, bom_len);
}
static const char utf16_be_bom[] = {0xFE, 0xFF};
static const char utf16_le_bom[] = {0xFF, 0xFE};
static const char utf32_be_bom[] = {0x00, 0x00, 0xFE, 0xFF};
static const char utf32_le_bom[] = {0xFF, 0xFE, 0x00, 0x00};
static const char utf16_be_bom[] = {'\xFE', '\xFF'};
static const char utf16_le_bom[] = {'\xFF', '\xFE'};
static const char utf32_be_bom[] = {'\0', '\0', '\xFE', '\xFF'};
static const char utf32_le_bom[] = {'\xFF', '\xFE', '\0', '\0'};
int has_prohibited_utf_bom(const char *enc, const char *data, size_t len)
{