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[mod][bin] Fill replacement string with zeroes.

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This commit is contained in:
lzwdgc 2024-06-07 02:03:07 +03:00
parent 3096e42954
commit 1b3ad96fc1
1 changed files with 5 additions and 2 deletions
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7
src/aim1_mod_maker/aim1_mod_maker.h
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@ -178,9 +178,12 @@ struct bin_patcher {
} }
v ^= value; v ^= value;
} }
static void replace_bin_in_file_raw(const path &fn, const std::string &from, const std::string &to) { static void replace_bin_in_file_raw(const path &fn, const std::string &from, std::string to) {
if (to.size() > from.size()) {
throw std::runtime_error{"replacement string is larger than original"};
}
if (from.size() != to.size()) { if (from.size() != to.size()) {
throw std::runtime_error{"mismatched size"}; to.resize(from.size(), '\0');
} }
primitives::templates2::mmap_file<uint8_t> f{fn, primitives::templates2::mmap_file<uint8_t>::rw{}}; primitives::templates2::mmap_file<uint8_t> f{fn, primitives::templates2::mmap_file<uint8_t>::rw{}};
while (auto p = memmem(f.p, f.sz, from)) { while (auto p = memmem(f.p, f.sz, from)) {