Replace deprecated C++ includes

17 files changed, 30 insertions, 30 deletions

diff --git a/libtests/aes.cc b/libtests/aes.cc
index 3ad491cc..4541fffe 100644
--- a/libtests/aes.cc
+++ b/libtests/aes.cc
@@ -4,9 +4,9 @@
 #include <qpdf/QUtil.hh>
 
 #include <iostream>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
 
 static void
 usage()
diff --git a/libtests/ascii85.cc b/libtests/ascii85.cc
index 2acc56ba..8d926898 100644
--- a/libtests/ascii85.cc
+++ b/libtests/ascii85.cc
@@ -2,7 +2,7 @@
 
 #include <qpdf/Pl_StdioFile.hh>
 #include <iostream>
-#include <stdlib.h>
+#include <cstdlib>
 
 int
 main()
diff --git a/libtests/bits.cc b/libtests/bits.cc
index 0db956e1..e63ebdd3 100644
--- a/libtests/bits.cc
+++ b/libtests/bits.cc
@@ -4,7 +4,7 @@
 #include <qpdf/QIntC.hh>
 #include <qpdf/QUtil.hh>
 #include <iostream>
-#include <stdlib.h>
+#include <cstdlib>
 
 // See comments in bits_functions.hh
 #define BITS_TESTING 1
diff --git a/libtests/buffer.cc b/libtests/buffer.cc
index f372e7b4..66eaa71c 100644
--- a/libtests/buffer.cc
+++ b/libtests/buffer.cc
@@ -7,7 +7,7 @@
 #include <cstring>
 #include <iostream>
 #include <stdexcept>
-#include <stdlib.h>
+#include <cstdlib>
 
 static unsigned char*
 uc(char const* s)
diff --git a/libtests/closed_file_input_source.cc b/libtests/closed_file_input_source.cc
index 23b15154..183658a9 100644
--- a/libtests/closed_file_input_source.cc
+++ b/libtests/closed_file_input_source.cc
@@ -2,7 +2,7 @@
 #include <qpdf/FileInputSource.hh>
 
 #include <iostream>
-#include <stdio.h>
+#include <cstdio>
 
 void
 check(std::string const& what, bool result)
diff --git a/libtests/dct_compress.cc b/libtests/dct_compress.cc
index ad8710b1..2f12aea7 100644
--- a/libtests/dct_compress.cc
+++ b/libtests/dct_compress.cc
@@ -3,9 +3,9 @@
 #include <qpdf/QUtil.hh>
 
 #include <iostream>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
 
 static void
 usage()
diff --git a/libtests/dct_uncompress.cc b/libtests/dct_uncompress.cc
index 5e1e9a33..6606e4a5 100644
--- a/libtests/dct_uncompress.cc
+++ b/libtests/dct_uncompress.cc
@@ -3,8 +3,8 @@
 #include <qpdf/QUtil.hh>
 
 #include <iostream>
-#include <stdio.h>
-#include <stdlib.h>
+#include <cstdio>
+#include <cstdlib>
 
 int
 main(int argc, char* argv[])
diff --git a/libtests/flate.cc b/libtests/flate.cc
index 1170841b..93c41f85 100644
--- a/libtests/flate.cc
+++ b/libtests/flate.cc
@@ -5,7 +5,7 @@
 #include <qpdf/QUtil.hh>
 
 #include <iostream>
-#include <stdlib.h>
+#include <cstdlib>
 
 void
 run(char const* filename)
diff --git a/libtests/hex.cc b/libtests/hex.cc
index 9e708204..d239d202 100644
--- a/libtests/hex.cc
+++ b/libtests/hex.cc
@@ -2,7 +2,7 @@
 
 #include <qpdf/Pl_StdioFile.hh>
 #include <iostream>
-#include <stdlib.h>
+#include <cstdlib>
 
 int
 main()
diff --git a/libtests/lzw.cc b/libtests/lzw.cc
index 788d3dfc..412ce4c5 100644
--- a/libtests/lzw.cc
+++ b/libtests/lzw.cc
@@ -3,8 +3,8 @@
 #include <qpdf/Pl_StdioFile.hh>
 #include <qpdf/QUtil.hh>
 #include <iostream>
-#include <stdlib.h>
-#include <string.h>
+#include <cstdlib>
+#include <cstring>
 
 int
 main(int argc, char* argv[])
diff --git a/libtests/md5.cc b/libtests/md5.cc
index 0fe4205e..27aaad51 100644
--- a/libtests/md5.cc
+++ b/libtests/md5.cc
@@ -3,7 +3,7 @@
 #include <qpdf/Pl_MD5.hh>
 #include <qpdf/QUtil.hh>
 #include <iostream>
-#include <stdio.h>
+#include <cstdio>
 
 static void
 test_string(char const* str)
diff --git a/libtests/predictors.cc b/libtests/predictors.cc
index f0bde79a..fd1cc2ad 100644
--- a/libtests/predictors.cc
+++ b/libtests/predictors.cc
@@ -7,8 +7,8 @@
 #include <qpdf/QUtil.hh>
 
 #include <iostream>
-#include <stdlib.h>
-#include <string.h>
+#include <cstdlib>
+#include <cstring>
 
 void
 run(char const* filename,
diff --git a/libtests/qintc.cc b/libtests/qintc.cc
index f6c15f00..0cf3924f 100644
--- a/libtests/qintc.cc
+++ b/libtests/qintc.cc
@@ -1,7 +1,7 @@
 #include <qpdf/assert_test.h>
 
 #include <qpdf/QIntC.hh>
-#include <stdint.h>
+#include <cstdint>
 
 #define try_convert(exp_pass, fn, i) \
     try_convert_real(#fn "(" #i ")", exp_pass, fn, i)
diff --git a/libtests/qutil.cc b/libtests/qutil.cc
index b9012db9..a6f1282a 100644
--- a/libtests/qutil.cc
+++ b/libtests/qutil.cc
@@ -5,9 +5,9 @@
 #include <qpdf/QUtil.hh>
 #include <fstream>
 #include <iostream>
-#include <limits.h>
-#include <stdio.h>
-#include <string.h>
+#include <climits>
+#include <cstdio>
+#include <cstring>
 
 #ifdef _WIN32
 # include <io.h>
diff --git a/libtests/rc4.cc b/libtests/rc4.cc
index a6a1328e..874c11ff 100644
--- a/libtests/rc4.cc
+++ b/libtests/rc4.cc
@@ -6,9 +6,9 @@
 #include <qpdf/QUtil.hh>
 
 #include <iostream>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
 
 static void
 other_tests()
diff --git a/libtests/runlength.cc b/libtests/runlength.cc
index 456e33a2..260ce5cb 100644
--- a/libtests/runlength.cc
+++ b/libtests/runlength.cc
@@ -3,9 +3,9 @@
 #include <qpdf/QUtil.hh>
 
 #include <iostream>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
 
 int
 main(int argc, char* argv[])
diff --git a/libtests/sha2.cc b/libtests/sha2.cc
index 46ccd5c2..4be8956a 100644
--- a/libtests/sha2.cc
+++ b/libtests/sha2.cc
@@ -1,7 +1,7 @@
 #include <qpdf/Pl_SHA2.hh>
 #include <qpdf/QUtil.hh>
 #include <iostream>
-#include <string.h>
+#include <cstring>
 
 static void
 test(