[clang-tidy] Switch C headers to C++ ones

Found using modernize-return-braced-init-list

Signed-off-by: Rosen Penev <rosenp@gmail.com>

src/CLI2.cpp

@@ -28,7 +28,7 @@
 #include <CLI2.h>
 #include <sstream>
 #include <algorithm>
-#include <stdlib.h>
+#include <cstdlib>
 #include <Context.h>
 #include <Lexer.h>
 #include <Color.h>

src/Context.cpp

@@ -31,9 +31,9 @@
 #include <sstream>
 #include <iomanip>
 #include <algorithm>
-#include <assert.h>
-#include <stdlib.h>
-#include <string.h>
+#include <cassert>
+#include <cstdlib>
+#include <cstring>
 #include <unistd.h>
 #include <FS.h>
 #include <Eval.h>
@@ -48,7 +48,7 @@
 #include <commit.h>
 #endif
 
-#include <stdio.h>
+#include <cstdio>
 #include <sys/ioctl.h>
 
 #ifdef SOLARIS

src/DOM.cpp

@@ -28,7 +28,7 @@
 #include <DOM.h>
 #include <sstream>
 #include <map>
-#include <stdlib.h>
+#include <cstdlib>
 #include <Variant.h>
 #include <Lexer.h>
 #include <Context.h>

src/Eval.cpp

@@ -27,7 +27,7 @@
 #include <cmake.h>
 #include <Eval.h>
 #include <map>
-#include <time.h>
+#include <ctime>
 #include <Context.h>
 #include <Task.h>
 #include <Color.h>

src/Hooks.cpp

@@ -32,7 +32,7 @@
 #ifdef FREEBSD
 #define _WITH_GETLINE
 #endif
-#include <stdio.h>
+#include <cstdio>
 #include <unistd.h>
 #include <sys/wait.h>
 #include <sys/types.h>

src/Lexer.cpp

@@ -27,7 +27,7 @@
 #include <cmake.h>
 #include <Lexer.h>
 #include <algorithm>
-#include <ctype.h>
+#include <cctype>
 #include <Datetime.h>
 #include <Duration.h>
 #include <unicode.h>

src/TDB2.cpp

@@ -31,8 +31,8 @@
 #include <algorithm>
 #include <list>
 #include <set>
-#include <stdlib.h>
-#include <signal.h>
+#include <cstdlib>
+#include <csignal>
 #include <Context.h>
 #include <Color.h>
 #include <Datetime.h>

src/TLSClient.cpp

@@ -31,17 +31,13 @@
 #include <TLSClient.h>
 #include <iostream>
 #include <unistd.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdint.h>
-#include <string.h>
+#include <cstdio>
+#include <cstdlib>
+#include <cstdint>
+#include <cstring>
 #include <sys/socket.h>
 #include <arpa/inet.h>
-#if (defined OPENBSD || defined SOLARIS || defined NETBSD)
-#include <errno.h>
-#else
-#include <sys/errno.h>
-#endif
+#include <cerrno>
 #include <sys/types.h>
 #include <netdb.h>
 #include <gnutls/x509.h>

src/Task.cpp

@@ -27,12 +27,12 @@
 #include <cmake.h>
 #include <Task.h>
 #include <sstream>
-#include <stdlib.h>
-#include <assert.h>
+#include <cstdlib>
+#include <cassert>
 #include <string>
 #ifdef PRODUCT_TASKWARRIOR
-#include <math.h>
-#include <ctype.h>
+#include <cmath>
+#include <cctype>
 #endif
 #include <cfloat>
 #include <algorithm>

src/Variant.cpp

@@ -28,9 +28,9 @@
 #include <sstream>
 #include <algorithm>
 #include <utility>
-#include <stdio.h>
-#include <math.h>
-#include <stdlib.h>
+#include <cstdio>
+#include <cmath>
+#include <cstdlib>
 #include <Variant.h>
 #include <Datetime.h>
 #include <Duration.h>

src/calc.cpp

@@ -27,8 +27,8 @@
 #include <cmake.h>
 #include <iostream>
 #include <string>
-#include <stdlib.h>
-#include <string.h>
+#include <cstdlib>
+#include <cstring>
 #include <Eval.h>
 #include <Context.h>
 #include <Task.h>

src/feedback.cpp

@@ -30,8 +30,8 @@
 #include <sstream>
 #include <vector>
 #include <string>
-#include <stdlib.h>
-#include <inttypes.h>
+#include <cstdlib>
+#include <cinttypes>
 #include <Context.h>
 #include <Datetime.h>
 #include <Duration.h>

src/recur.cpp

@@ -30,13 +30,13 @@
 #include <fstream>
 #include <sstream>
 #include <sys/types.h>
-#include <inttypes.h>
-#include <stdio.h>
-#include <string.h>
+#include <cinttypes>
+#include <cstdio>
+#include <cstring>
 #include <unistd.h>
-#include <stdlib.h>
+#include <cstdlib>
 #include <pwd.h>
-#include <time.h>
+#include <ctime>
 #include <Context.h>
 #include <Lexer.h>
 #include <Datetime.h>

src/rules.cpp

@@ -25,7 +25,7 @@
 ////////////////////////////////////////////////////////////////////////////////
 
 #include <cmake.h>
-#include <stdlib.h>
+#include <cstdlib>
 #include <Context.h>
 #include <Datetime.h>
 #include <shared.h>

src/sort.cpp

@@ -30,7 +30,7 @@
 #include <list>
 #include <map>
 #include <string>
-#include <stdlib.h>
+#include <cstdlib>
 #include <Context.h>
 #include <Duration.h>
 #include <Task.h>

src/util.cpp

@@ -31,7 +31,7 @@
 #ifdef FREEBSD
 #define _WITH_GETLINE
 #endif
-#include <stdio.h>
+#include <cstdio>
 #include <iostream>
 #include <fstream>
 #include <sstream>
@@ -39,16 +39,16 @@
 #include <algorithm>
 #include <cstring>
 #include <string>
-#include <stdint.h>
+#include <cstdint>
 #include <sys/types.h>
 #include <sys/time.h>
 #include <sys/wait.h>
 #include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
-#include <signal.h>
+#include <cstdlib>
+#include <cstring>
+#include <csignal>
 #include <pwd.h>
-#include <signal.h>
+#include <csignal>
 #include <sys/select.h>
 #include <Lexer.h>
 #include <unicode.h>