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Check illegal parameter.

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mutouyun 2023-09-24 14:25:46 +08:00
parent e99fe22e9c
commit 6d4cf14132
1 changed files with 11 additions and 1 deletions
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12
src/libipc/shm.cpp
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@ -5,6 +5,7 @@
#include "libipc/shm.h" #include "libipc/shm.h"
#include "libipc/utility/pimpl.h" #include "libipc/utility/pimpl.h"
#include "libipc/utility/log.h"
#include "libipc/memory/resource.h" #include "libipc/memory/resource.h"
namespace ipc { namespace ipc {
@ -68,8 +69,17 @@ void handle::sub_ref() noexcept {
} }
bool handle::acquire(char const * name, std::size_t size, unsigned mode) { bool handle::acquire(char const * name, std::size_t size, unsigned mode) {
if (name == nullptr || name[0] == '\0') {
ipc::error("fail acquire: name is empty\n");
return false;
}
if (size == 0) {
ipc::error("fail acquire: size is 0\n");
return false;
}
release(); release();
impl(p_)->id_ = shm::acquire((impl(p_)->n_ = name).c_str(), size, mode); impl(p_)->n_ = name;
impl(p_)->id_ = shm::acquire(name, size, mode);
impl(p_)->m_ = shm::get_mem(impl(p_)->id_, &(impl(p_)->s_)); impl(p_)->m_ = shm::get_mem(impl(p_)->id_, &(impl(p_)->s_));
return valid(); return valid();
} }