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Common (Base64): unifies the code of endian testing

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Carter Li
2026-07-20 15:36:57 +08:00
parent 12f0088d72
commit 944c63e8ec
1 changed files with 7 additions and 1 deletions
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src/common/impl/base64.c
+7 -1
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@@ -6,7 +6,13 @@ void ffBase64EncodeRaw(uint32_t size, const char* str, uint32_t* out_size, char*
char* out = output;
const char* ends = str + (size - size % 3);
while (str != ends) {
uint32_t n = __builtin_bswap32(*(uint32_t*) str);
uint32_t n = *(uint32_t*) str;
#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
// The 3 input bytes must be laid out big-endian (str[0] in the most
// significant position). On little-endian hosts swap; on big-endian
// hosts the word is already in the right order.
n = __builtin_bswap32(n);
#endif
*out++ = chars[(n >> 26) & 63];
*out++ = chars[(n >> 20) & 63];
*out++ = chars[(n >> 14) & 63];