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Add mmap MAP_SHARED flag and wcsncpy #40

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Merged
ChristopherHX merged 1 commit into from
Mar 25, 2025
Merged

Add mmap MAP_SHARED flag and wcsncpy #40

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5 changes: 4 additions & 1 deletion src/common.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -143,7 +143,7 @@ clockid_t bionic::to_host_clock_type(bionic::clock_type type) {

int bionic::to_host_mmap_flags(bionic::mmap_flags flags) {
if (((uint32_t) flags & ~((uint32_t) mmap_flags::FIXED | (uint32_t) mmap_flags::ANON |
(uint32_t) mmap_flags::NORESERVE | (uint32_t) mmap_flags::PRIVATE)) != 0)
(uint32_t) mmap_flags::NORESERVE | (uint32_t) mmap_flags::PRIVATE | (uint32_t) mmap_flags::SHARED)) != 0)
handle_runtime_error("Used unsupported mmap flags %d", (int)flags);

int ret = 0;
Expand All @@ -153,6 +153,8 @@ int bionic::to_host_mmap_flags(bionic::mmap_flags flags) {
ret |= MAP_FILE;
if ((uint32_t) flags & (uint32_t) mmap_flags::ANON)
ret |= MAP_ANONYMOUS;
if ((uint32_t) flags & (uint32_t) mmap_flags::SHARED)
ret |= MAP_SHARED;
#ifdef MAP_NORESERVE
if ((uint32_t) flags & (uint32_t) mmap_flags::NORESERVE)
ret |= MAP_NORESERVE;
Expand Down Expand Up @@ -899,6 +901,7 @@ void shim::add_wchar_shimmed_symbols(std::vector<shim::shimmed_symbol> &list) {
/* wchar.h */
{"wcscat", ::wcscat},
{"wcscpy", ::wcscpy},
{"wcsncpy", ::wcsncpy},
{"wcscmp", ::wcscmp},
{"wcslen", ::wcslen},
{"wctob", ::wctob},
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1 change: 1 addition & 0 deletions src/common.h
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Expand Up @@ -22,6 +22,7 @@ namespace shim {
clockid_t to_host_clock_type(clock_type type);

enum class mmap_flags : int {
SHARED = 1,
PRIVATE = 2,
FIXED = 0x10,
ANON = 0x20,
Expand Down