1 files changed, 170 insertions, 0 deletions

diff --git a/src/contrib/SDL-3.2.20/test/childprocess.c b/src/contrib/SDL-3.2.20/test/childprocess.c
new file mode 100644
index 0000000..772d86d
--- /dev/null
+++ b/src/contrib/SDL-3.2.20/test/childprocess.c
@@ -0,0 +1,170 @@
+#include <SDL3/SDL.h>
+#include <SDL3/SDL_main.h>
+#include <SDL3/SDL_test.h>
+
+#include <stdio.h>
+#include <errno.h>
+
+int main(int argc, char *argv[]) {
+    SDLTest_CommonState *state;
+    int i;
+    bool print_arguments = false;
+    bool print_environment = false;
+    bool stdin_to_stdout = false;
+    bool read_stdin = false;
+    bool stdin_to_stderr = false;
+    SDL_IOStream *log_stdin = NULL;
+    int exit_code = 0;
+
+    state = SDLTest_CommonCreateState(argv, 0);
+
+    for (i = 1; i < argc;) {
+        int consumed = SDLTest_CommonArg(state, i);
+        if (!consumed) {
+            if (SDL_strcmp(argv[i], "--print-arguments") == 0) {
+                print_arguments = true;
+                consumed = 1;
+            } else if (SDL_strcmp(argv[i], "--print-environment") == 0) {
+                print_environment = true;
+                consumed = 1;
+            } else if (SDL_strcmp(argv[i], "--stdin-to-stdout") == 0) {
+                stdin_to_stdout = true;
+                consumed = 1;
+            } else if (SDL_strcmp(argv[i], "--stdin-to-stderr") == 0) {
+                stdin_to_stderr = true;
+                consumed = 1;
+            } else if (SDL_strcmp(argv[i], "--stdin") == 0) {
+                read_stdin = true;
+                consumed = 1;
+            } else if (SDL_strcmp(argv[i], "--stdout") == 0) {
+                if (i + 1 < argc) {
+                    fprintf(stdout, "%s", argv[i + 1]);
+                    consumed = 2;
+                }
+            } else if (SDL_strcmp(argv[i], "--stderr") == 0) {
+                if (i + 1 < argc) {
+                    fprintf(stderr, "%s", argv[i + 1]);
+                    consumed = 2;
+                }
+            } else if (SDL_strcmp(argv[i], "--log-stdin") == 0) {
+                if (i + 1 < argc) {
+                    log_stdin = SDL_IOFromFile(argv[i + 1], "w");
+                    if (!log_stdin) {
+                        fprintf(stderr, "Couldn't open %s\n", argv[i + 1]);
+                        return 2;
+                    }
+                    consumed = 2;
+                }
+            } else if (SDL_strcmp(argv[i], "--exit-code") == 0) {
+                if (i + 1 < argc) {
+                    char *endptr = NULL;
+                    exit_code = SDL_strtol(argv[i + 1], &endptr, 0);
+                    if (endptr && *endptr == '\0') {
+                        consumed = 2;
+                    }
+                }
+            } else if (SDL_strcmp(argv[i], "--version") == 0) {
+                int version = SDL_GetVersion();
+                fprintf(stdout, "SDL version %d.%d.%d",
+                    SDL_VERSIONNUM_MAJOR(version),
+                    SDL_VERSIONNUM_MINOR(version),
+                    SDL_VERSIONNUM_MICRO(version));
+                fprintf(stderr, "SDL version %d.%d.%d",
+                    SDL_VERSIONNUM_MAJOR(version),
+                    SDL_VERSIONNUM_MINOR(version),
+                    SDL_VERSIONNUM_MICRO(version));
+                consumed = 1;
+                break;
+            } else if (SDL_strcmp(argv[i], "--") == 0) {
+                i++;
+                break;
+            }
+        }
+        if (consumed <= 0) {
+            const char *args[] = {
+                "[--print-arguments]",
+                "[--print-environment]",
+                "[--stdin]",
+                "[--log-stdin FILE]",
+                "[--stdin-to-stdout]",
+                "[--stdout TEXT]",
+                "[--stdin-to-stderr]",
+                "[--stderr TEXT]",
+                "[--exit-code EXIT_CODE]",
+                "[--] [ARG [ARG ...]]",
+                NULL
+            };
+            SDLTest_CommonLogUsage(state, argv[0], args);
+            return 1;
+        }
+        i += consumed;
+    }
+
+    if (print_arguments) {
+        int print_i;
+        for (print_i = 0; i + print_i < argc; print_i++) {
+            fprintf(stdout, "|%d=%s|\r\n", print_i, argv[i + print_i]);
+        }
+        fflush(stdout);
+    }
+
+    if (print_environment) {
+        char **env = SDL_GetEnvironmentVariables(SDL_GetEnvironment());
+        if (env) {
+            for (i = 0; env[i]; ++i) {
+                fprintf(stdout, "%s\n", env[i]);
+            }
+            SDL_free(env);
+        }
+        fflush(stdout);
+    }
+
+    if (stdin_to_stdout || stdin_to_stderr || read_stdin) {
+        for (;;) {
+            char buffer[4 * 4096];
+            size_t result;
+
+            result = fread(buffer, 1, sizeof(buffer), stdin);
+            if (result == 0) {
+                if (!feof(stdin)) {
+                    char error[128];
+
+                    if (errno == EAGAIN) {
+                        clearerr(stdin);
+                        SDL_Delay(20);
+                        continue;
+                    }
+
+#ifdef SDL_PLATFORM_WINDOWS
+                    if (strerror_s(error, sizeof(error), errno) != 0) {
+                        SDL_strlcpy(error, "Unknown error", sizeof(error));
+                    }
+#else
+                    SDL_strlcpy(error, strerror(errno), sizeof(error));
+#endif
+                    SDL_Log("Error reading from stdin: %s", error);
+                }
+                break;
+            }
+            if (log_stdin) {
+                SDL_WriteIO(log_stdin, buffer, result);
+                SDL_FlushIO(log_stdin);
+            }
+            if (stdin_to_stdout) {
+                fwrite(buffer, 1, result, stdout);
+                fflush(stdout);
+            }
+            if (stdin_to_stderr) {
+                fwrite(buffer, 1, result, stderr);
+            }
+        }
+    }
+
+    if (log_stdin) {
+        SDL_CloseIO(log_stdin);
+    }
+
+    SDLTest_CommonDestroyState(state);
+
+    return exit_code;
+}