Mirrorlandia_minetest/minetest
1
0
Fork 1
mirror of https://github.com/minetest/minetest.git synced 2024-11-10 09:43:45 +01:00
Code Issues Packages Projects Releases Wiki Activity

Fix serializing of signed numbers in serializeStructToString

Browse Source
This commit is contained in:
ShadowNinja 2014-03-21 05:18:35 -04:00
parent 0dc1aec509
commit 5fefc4bbf6
1 changed files with 8 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
src/util/serialize.cpp
View File

@ -385,6 +385,9 @@ fail:
} }
// Casts *buf to a signed or unsigned fixed-width integer of 'w' width
#define SIGN_CAST(w, buf) (is_unsigned ? *((u##w *) buf) : *((s##w *) buf))
bool serializeStructToString(std::string *out, bool serializeStructToString(std::string *out,
std::string format, void *value) std::string format, void *value)
{ {
@ -412,15 +415,15 @@ bool serializeStructToString(std::string *out,
case 'i': case 'i':
if (width == 16) { if (width == 16) {
bufpos += PADDING(bufpos, u16); bufpos += PADDING(bufpos, u16);
os << *((u16 *) bufpos); os << SIGN_CAST(16, bufpos);
bufpos += sizeof(u16); bufpos += sizeof(u16);
} else if (width == 32) { } else if (width == 32) {
bufpos += PADDING(bufpos, u32); bufpos += PADDING(bufpos, u32);
os << *((u32 *) bufpos); os << SIGN_CAST(32, bufpos);
bufpos += sizeof(u32); bufpos += sizeof(u32);
} else if (width == 64) { } else if (width == 64) {
bufpos += PADDING(bufpos, u64); bufpos += PADDING(bufpos, u64);
os << *((u64 *) bufpos); os << SIGN_CAST(64, bufpos);
bufpos += sizeof(u64); bufpos += sizeof(u64);
} }
break; break;
@ -474,3 +477,5 @@ bool serializeStructToString(std::string *out,
return true; return true;
} }
#undef SIGN_CAST