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https://git.code.sf.net/p/libpng/code.git
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[devel] Don't try to use version-script with cygwin/mingw.
Revised contrib/gregbook to work under cygwin/mingw.
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@@ -96,7 +96,33 @@
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#include <time.h>
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#include <math.h> /* only for PvdM background code */
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#include <windows.h>
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#ifdef __CYGWIN__
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/* getch replacement. Turns out, we don't really need this,
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* but leave it here if we ever enable any of the uses of
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* _getch in the main code
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*/
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#include <unistd.h>
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#include <termio.h>
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#include <sys/ioctl.h>
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int repl_getch( void )
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{
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char ch;
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int fd = fileno(stdin);
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struct termio old_tty, new_tty;
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ioctl(fd, TCGETA, &old_tty);
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new_tty = old_tty;
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new_tty.c_lflag &= ~(ICANON | ECHO | ISIG);
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ioctl(fd, TCSETA, &new_tty);
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fread(&ch, 1, sizeof(ch), stdin);
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ioctl(fd, TCSETA, &old_tty);
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return ch;
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}
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#define _getch repl_getch
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#else
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#include <conio.h> /* only for _getch() */
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#endif
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/* all for PvdM background code: */
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#ifndef PI
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@@ -270,7 +296,7 @@ int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrevInst, PSTR cmd, int showmode)
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filename = (char *)NULL;
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memset(&rpng2_info, 0, sizeof(mainprog_info));
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#ifndef __CYGWIN__
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/* Next reenable console output, which normally goes to the bit bucket
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* for windowed apps. Closing the console window will terminate the
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* app. Thanks to David.Geldreich@realviz.com for supplying the magical
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@@ -279,7 +305,7 @@ int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrevInst, PSTR cmd, int showmode)
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AllocConsole();
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freopen("CONOUT$", "a", stderr);
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freopen("CONOUT$", "a", stdout);
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#endif
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/* Set the default value for our display-system exponent, i.e., the
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* product of the CRT exponent and the exponent corresponding to
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@@ -413,7 +439,9 @@ int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrevInst, PSTR cmd, int showmode)
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/* print usage screen if any errors up to this point */
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if (error) {
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#ifndef __CYGWIN__
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int ch;
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#endif
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fprintf(stderr, "\n%s %s: %s\n\n", PROGNAME, VERSION, appname);
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readpng2_version_info();
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@@ -432,16 +460,23 @@ int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrevInst, PSTR cmd, int showmode)
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" -timing\tenables delay for every block read, to simulate modem\n"
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"\t\t download of image (~36 Kbps)\n"
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"\nPress Q, Esc or mouse button 1 after image is displayed to quit.\n"
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#ifndef __CYGWIN__
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"Press Q or Esc to quit this usage screen. ",
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#else
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,
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#endif
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PROGNAME,
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#if (defined(__i386__) || defined(_M_IX86) || defined(__x86_64__))
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#if (defined(__i386__) || defined(_M_IX86) || defined(__x86_64__)) && \
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!(defined(__CYGWIN__) || defined(__MINGW32__))
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(int)strlen(PROGNAME), " ",
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#endif
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(int)strlen(PROGNAME), " ", default_display_exponent, num_bgpat);
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fflush(stderr);
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#ifndef __CYGWIN__
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do
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ch = _getch();
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while (ch != 'q' && ch != 'Q' && ch != 0x1B);
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#endif
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exit(1);
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}
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@@ -478,18 +513,24 @@ int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrevInst, PSTR cmd, int showmode)
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if (error) {
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#ifndef __CYGWIN__
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int ch;
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#endif
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fprintf(stderr, PROGNAME ": aborting.\n");
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#ifndef __CYGWIN__
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do
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ch = _getch();
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while (ch != 'q' && ch != 'Q' && ch != 0x1B);
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#endif
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exit(2);
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} else {
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fprintf(stderr, "\n%s %s: %s\n", PROGNAME, VERSION, appname);
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#ifndef __CYGWIN__
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fprintf(stderr,
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"\n [console window: closing this window will terminate %s]\n\n",
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PROGNAME);
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#endif
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fflush(stderr);
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}
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@@ -1132,7 +1173,12 @@ static void rpng2_win_finish_display()
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rpng2_info.state = kDone;
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printf(
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"Done. Press Q, Esc or mouse button 1 (within image window) to quit.\n");
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#ifndef __CYGWIN__
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"Done. Press Q, Esc or mouse button 1 (within image window) to quit.\n"
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#else
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"Done. Press mouse button 1 (within image window) to quit.\n"
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#endif
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);
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fflush(stdout);
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}
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