FGFS-4.1/simgear
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Do not allocate any memory but work directly on the mmapped buffer

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This commit is contained in:
Erik Hofman
2021-03-16 10:30:58 +01:00
parent 84f7faea05
commit c6a7dbd755
1 changed files with 14 additions and 14 deletions
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simgear/io/test_mmap.cxx
+14 -14
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@@ -29,8 +29,8 @@ void testTarGz()
SGMMapFile f(p); SGMMapFile f(p);
f.open(SG_IO_IN); f.open(SG_IO_IN);
uint8_t* buf = (uint8_t*) alloca(8192); const uint8_t* buf = (const uint8_t*)f.get();
size_t bufSize = f.read((char*) buf, 8192); size_t bufSize = f.forward(8192);
SG_VERIFY(ArchiveExtractor::determineType(buf, bufSize) == ArchiveExtractor::GZData); SG_VERIFY(ArchiveExtractor::determineType(buf, bufSize) == ArchiveExtractor::GZData);
@@ -45,8 +45,8 @@ void testPlainTar()
SGMMapFile f(p); SGMMapFile f(p);
f.open(SG_IO_IN); f.open(SG_IO_IN);
uint8_t* buf = (uint8_t*)alloca(8192); const uint8_t* buf = (const uint8_t*)f.get();
size_t bufSize = f.read((char*) buf, 8192); size_t bufSize = f.forward(8192);
SG_VERIFY(ArchiveExtractor::determineType(buf, bufSize) == ArchiveExtractor::TarData); SG_VERIFY(ArchiveExtractor::determineType(buf, bufSize) == ArchiveExtractor::TarData);
@@ -67,9 +67,9 @@ void testExtractStreamed()
ArchiveExtractor ex(extractDir); ArchiveExtractor ex(extractDir);
uint8_t* buf = (uint8_t*) alloca(128);
while (!f.eof()) { while (!f.eof()) {
size_t bufSize = f.read((char*) buf, 128); const uint8_t* buf = (const uint8_t*)f.ptr();
size_t bufSize = f.forward(128);
ex.extractBytes(buf, bufSize); ex.extractBytes(buf, bufSize);
} }
@@ -100,9 +100,9 @@ void testFilterTar()
ArchiveExtractor ex(extractDir); ArchiveExtractor ex(extractDir);
uint8_t* buf = (uint8_t*) alloca(128);
while (!f.eof()) { while (!f.eof()) {
size_t bufSize = f.read((char*) buf, 128); const uint8_t* buf = (const uint8_t*)f.ptr();
size_t bufSize = f.forward(128);
ex.extractBytes(buf, bufSize); ex.extractBytes(buf, bufSize);
} }
@@ -133,9 +133,9 @@ void testExtractZip()
ArchiveExtractor ex(extractDir); ArchiveExtractor ex(extractDir);
uint8_t* buf = (uint8_t*)alloca(128);
while (!f.eof()) { while (!f.eof()) {
size_t bufSize = f.read((char*)buf, 128); const uint8_t* buf = (const uint8_t*)f.ptr();
size_t bufSize = f.forward(128);
ex.extractBytes(buf, bufSize); ex.extractBytes(buf, bufSize);
} }
@@ -162,9 +162,9 @@ void testPAXAttributes()
ArchiveExtractor ex(extractDir); ArchiveExtractor ex(extractDir);
uint8_t* buf = (uint8_t*) alloca(128);
while (!f.eof()) { while (!f.eof()) {
size_t bufSize = f.read((char*) buf, 128); const uint8_t* buf = (const uint8_t*)f.ptr();
size_t bufSize = f.forward(128);
ex.extractBytes(buf, bufSize); ex.extractBytes(buf, bufSize);
} }
@@ -188,9 +188,9 @@ void testExtractXZ()
ArchiveExtractor ex(extractDir); ArchiveExtractor ex(extractDir);
uint8_t* buf = (uint8_t*)alloca(128);
while (!f.eof()) { while (!f.eof()) {
size_t bufSize = f.read((char*)buf, 128); const uint8_t* buf = (const uint8_t*)f.ptr();
size_t bufSize = f.forward(128);
ex.extractBytes(buf, bufSize); ex.extractBytes(buf, bufSize);
} }