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Allow nullptr with zero length in FileAccess get_buffer

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fix #47071

(cherry picked from commit c28428fe4d)
This commit is contained in:
Alex Hirsch 2021-03-16 22:55:11 +01:00 committed by Rémi Verschelde
parent f1e8ec942d
commit 0b541af8a1
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GPG key ID: C3336907360768E1
9 changed files with 9 additions and 9 deletions
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2
core/io/file_access_compressed.cpp
View file

@ -302,7 +302,7 @@ uint8_t FileAccessCompressed::get_8() const {
return ret;
}
int FileAccessCompressed::get_buffer(uint8_t *p_dst, int p_length) const {
ERR_FAIL_COND_V(!p_dst, -1);
ERR_FAIL_COND_V(!p_dst && p_length > 0, -1);
ERR_FAIL_COND_V(p_length < 0, -1);
ERR_FAIL_COND_V_MSG(!f, -1, "File must be opened before use.");
ERR_FAIL_COND_V_MSG(writing, -1, "File has not been opened in read mode.");

2
core/io/file_access_encrypted.cpp
View file

@ -233,7 +233,7 @@ uint8_t FileAccessEncrypted::get_8() const {
}
int FileAccessEncrypted::get_buffer(uint8_t *p_dst, int p_length) const {
ERR_FAIL_COND_V(!p_dst, -1);
ERR_FAIL_COND_V(!p_dst && p_length > 0, -1);
ERR_FAIL_COND_V(p_length < 0, -1);
ERR_FAIL_COND_V_MSG(writing, -1, "File has not been opened in read mode.");

2
core/io/file_access_memory.cpp
View file

@ -150,7 +150,7 @@ uint8_t FileAccessMemory::get_8() const {
}
int FileAccessMemory::get_buffer(uint8_t *p_dst, int p_length) const {
ERR_FAIL_COND_V(!p_dst, -1);
ERR_FAIL_COND_V(!p_dst && p_length > 0, -1);
ERR_FAIL_COND_V(p_length < 0, -1);
ERR_FAIL_COND_V(!data, -1);

2
core/io/file_access_network.cpp
View file

@ -389,7 +389,7 @@ void FileAccessNetwork::_queue_page(int p_page) const {
}
int FileAccessNetwork::get_buffer(uint8_t *p_dst, int p_length) const {
ERR_FAIL_COND_V(!p_dst, -1);
ERR_FAIL_COND_V(!p_dst && p_length > 0, -1);
ERR_FAIL_COND_V(p_length < 0, -1);
//bool eof=false;

2
core/io/file_access_pack.cpp
View file

@ -284,7 +284,7 @@ uint8_t FileAccessPack::get_8() const {
}
int FileAccessPack::get_buffer(uint8_t *p_dst, int p_length) const {
ERR_FAIL_COND_V(!p_dst, -1);
ERR_FAIL_COND_V(!p_dst && p_length > 0, -1);
ERR_FAIL_COND_V(p_length < 0, -1);
if (eof)

2
core/io/file_access_zip.cpp
View file

@ -332,7 +332,7 @@ uint8_t FileAccessZip::get_8() const {
}
int FileAccessZip::get_buffer(uint8_t *p_dst, int p_length) const {
ERR_FAIL_COND_V(!p_dst, -1);
ERR_FAIL_COND_V(!p_dst && p_length > 0, -1);
ERR_FAIL_COND_V(p_length < 0, -1);
ERR_FAIL_COND_V(!zfile, -1);
at_eof = unzeof(zfile);

2
core/os/file_access.cpp
View file

@ -399,7 +399,7 @@ Vector<String> FileAccess::get_csv_line(const String &p_delim) const {
}
int FileAccess::get_buffer(uint8_t *p_dst, int p_length) const {
ERR_FAIL_COND_V(!p_dst, -1);
ERR_FAIL_COND_V(!p_dst && p_length > 0, -1);
ERR_FAIL_COND_V(p_length < 0, -1);
int i = 0;
for (i = 0; i < p_length && !eof_reached(); i++)

2
drivers/unix/file_access_unix.cpp
View file

@ -248,7 +248,7 @@ uint8_t FileAccessUnix::get_8() const {
}
int FileAccessUnix::get_buffer(uint8_t *p_dst, int p_length) const {
ERR_FAIL_COND_V(!p_dst, -1);
ERR_FAIL_COND_V(!p_dst && p_length > 0, -1);
ERR_FAIL_COND_V(p_length < 0, -1);
ERR_FAIL_COND_V_MSG(!f, -1, "File must be opened before use.");
int read = fread(p_dst, 1, p_length, f);

2
drivers/windows/file_access_windows.cpp
View file

@ -259,7 +259,7 @@ uint8_t FileAccessWindows::get_8() const {
}
int FileAccessWindows::get_buffer(uint8_t *p_dst, int p_length) const {
ERR_FAIL_COND_V(!p_dst, -1);
ERR_FAIL_COND_V(!p_dst && p_length > 0, -1);
ERR_FAIL_COND_V(p_length < 0, -1);
ERR_FAIL_COND_V(!f, -1);
if (flags == READ_WRITE || flags == WRITE_READ) {