Initial commit

build.bat

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+@echo off
+gcc pfunc/*.c -c -Wall -Wextra -Werror
+gcc portable.c -c -Wall -Wextra -Werror
+ar cr libportable.a *.o
+ranlib libportable.a
+ERASE *.o

build.sh

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+cc pfunc/*.c -c -Wall -Wextra -Werror
+cc portability.c -c -Wall -Wextra -Werror
+ar ruv portable.a *.o
+ranlib portable.a

headers/apple.h

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+/*  apple.h | libportable's APPLE header
+ *  Copyright (C) 2017 Aaron Ryan Klingler
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */

headers/unix.h

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+/*  unix.h | libportable's UNIX header
+ *  Copyright (C) 2017 Aaron Ryan Klingler
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <unistd.h>
+#include <termios.h>
+
+#define PERR(success, api) {if(!(success)) printf("%s: Error in %s on line %d\n", __FILE__, api, (int) __LINE__);}

headers/windows.h

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+/*  windows.h | libportable's WINDOWS header
+ *  Copyright (C) 2017 Aaron Ryan Klingler
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <windows.h>
+
+#ifndef __CYGWIN__
+#include <conio.h>
+#endif
+
+#define PERR(bSuccess, api) {if(!(bSuccess)) printf("%s: Error %d from %s on line %d\n", __FILE__, (int) GetLastError(), api, (int) __LINE__);}

pfunc/cursor.home.c

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+/*  PORTABLY(cursor, home) | home the cursor (put it at 0x0y)
+ *  Copyright (C) 2017 Aaron Ryan Klingler
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "../portable.h"
+#include <stdio.h>
+
+#define POSIX__home_cursor()    POSIX__set_cursor(0, 0)
+#define WINDOWS__home_cursor()  WINDOWS__set_cursor(0, 0)

pfunc/cursor.set.c

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+/*  PORTABLE(cursor, set, x, y) | set the cursor to {x, y}
+ *  Copyright (C) 2017 Aaron Ryan Klingler
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "../portable.h"
+#include <stdio.h>
+
+int POSIX__set_cursor(int x, int y)
+{
+    printf("\e[%d;%dH", y, x);
+    return 0; // always succeeds
+}
+
+int WINDOWS__set_cursor(int x, int y)
+{
+    HANDLE hConsole = GetStdHandle( STD_OUTPUT_HANDLE );
+    COORD coordScreen = { x, y };
+
+    int bSuccess = SetConsoleCursorPosition( hConsole, coordScreen );
+    PERR( bSuccess, "SetConsoleCursorPosition" );
+    return bSuccess;
+}

pfunc/screen.clear.c

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+/*  PORTABLY(screen, clear) | clear the screen
+ *  Copyright (C) 2017 Aaron Ryan Klingler
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdio.h>
+#include "../portable.h"
+
+void WINDOWS__clear_screen(void)
+{
+    HANDLE hConsole = GetStdHandle( STD_OUTPUT_HANDLE );
+    COORD coordScreen = { 0, 0 };    /* here's where we'll home the
+                                        cursor */ 
+    BOOL bSuccess;
+    DWORD cCharsWritten;
+    CONSOLE_SCREEN_BUFFER_INFO csbi; /* to get buffer info */ 
+    DWORD dwConSize;                 /* number of character cells in
+                                        the current buffer */ 
+
+    /* get the number of character cells in the current buffer */ 
+
+    bSuccess = GetConsoleScreenBufferInfo( hConsole, &csbi );
+    PERR( bSuccess, "GetConsoleScreenBufferInfo" );
+    dwConSize = csbi.dwSize.X * csbi.dwSize.Y;
+
+    /* fill the entire screen with blanks */ 
+
+    bSuccess = FillConsoleOutputCharacter( hConsole, (TCHAR) ' ',
+       dwConSize, coordScreen, &cCharsWritten );
+    PERR( bSuccess, "FillConsoleOutputCharacter" );
+
+    /* get the current text attribute */ 
+
+    bSuccess = GetConsoleScreenBufferInfo( hConsole, &csbi );
+    PERR( bSuccess, "ConsoleScreenBufferInfo" );
+
+    /* now set the buffer's attributes accordingly */ 
+
+    bSuccess = FillConsoleOutputAttribute( hConsole, csbi.wAttributes,
+       dwConSize, coordScreen, &cCharsWritten );
+    PERR( bSuccess, "FillConsoleOutputAttribute" );
+
+    /* put the cursor at (0, 0) */ 
+
+    bSuccess = SetConsoleCursorPosition( hConsole, coordScreen );
+    PERR( bSuccess, "SetConsoleCursorPosition" );
+    return;
+}
+
+void POSIX__clear_screen(void)
+{
+    // 2J is ignored on Apple, and 3J is ignored on Unix.
+    printf("\033[3J\033[2J");
+}
+
+// this is super crappy. doesn't really get the job done. but YOLO.
+void SYS_UNDEFINED__clear_screen(void)
+{
+    int i, j;
+
+    for (i = 0; i < 1000; i++)
+        for (j = 0; j < 1000; j++)
+            putchar(' ');
+}

pfunc/text.color.c

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+/*  PORTABLY(text, color, COLOR) | set terminal output color to COLOR
+ *  Copyright (C) 2017 Aaron Ryan Klingler
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "../portable.h"
+#include <stdio.h>
+
+int POSIX__color_text(int color)
+{
+    printf("\e[0m\e[%dm", color);
+    return 0;    // always succeeds
+}
+
+#define WINDOWS__color_text()    // impossible to color text in Windows normally.

portable.c

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+/*  porable.c | libportable's base functions
+ *  Copyright (C) 2017 Aaron Ryan Klingler
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include "portable.h"
+
+char *
+strlower(char *t)
+{
+    int i;
+    for (i = 0; t[i]; i++)
+        t[i] = tolower(t[i]);
+
+    return t;
+}
+
+// avoid GCC telling us we're returning the address of a local variable
+char *
+strlower_handlerfunc(char *t)
+{
+    char *s = malloc(strlen(t));    // can't free this, so allocate the minimum amount.
+    memset(s, 0, 50);
+    memcpy(s, t, strlen(t));
+
+    return strlower(s);
+}
+
+#define LOWERCASE3(x) strlower_handlerfunc(x)
+#define LOWERCASE2(x) LOWERCASE3(#x)
+#define LOWERCASE(x)  LOWERCASE2(x)
+
+char *
+get_system_name(void)
+{
+    if (SYSTEM == SYS_UNDEFINED)
+        return "";
+    else
+        return LOWERCASE(SYSTEM);
+}