Add C installer for windows

icons.rc

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+IDI_ICON1 ICON "install.ico"

korge-forge-installer.c

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+// docker run --rm -v ".":/usr/src/myapp -w /usr/src/myapp bensuperpc/tinycc tcc korge-forge-installer.c
+// del korge-forge-installer.exe && c:\dev\tcc\tcc korge-forge-installer.c icons.res && korge-forge-installer
+// pacman -Syu
+// pacman -S mingw-w64-x86_64-binutils
+// pacman -S mingw-w64-x86_64-gcc
+// windres icons.rc -O coff -o icons.res
+// icons.rc: IDI_ICON1 ICON "install.ico"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdbool.h>    // bool type
+#include "sha1.c"
+#include <sys/stat.h>
+
+// return true if the file specified by the filename exists
+int file_exists(const char *filename) {
+    FILE *fp = fopen(filename, "r");
+    if (fp != NULL) fclose(fp);
+    return fp != NULL;
+}
+
+bool dir_exists(const char *filename) {
+    struct stat sb;
+    return stat(filename, &sb) == 0 && S_ISDIR(sb.st_mode);
+}
+
+const char *HEX = "0123456789abcdef";
+
+int hex(unsigned char *bin, char *hex, int len) {
+    for (int n = 0; n < len; n++) {
+        hex[n * 2 + 0] = HEX[((bin[n] >> 4) & 0xF)];
+        hex[n * 2 + 1] = HEX[((bin[n] >> 0) & 0xF)];
+    }
+    hex[len * 2 + 1] = 0;
+    return 0;
+}
+
+int sha1_memory(char digest[20], char *data, int size) {
+    //SHA1(digest, data, size);
+    SHA1_CTX ctx;
+    SHA1Init(&ctx);
+    SHA1Update(&ctx, data, size);
+    SHA1Final(digest, &ctx);
+    return 0;
+}
+
+int sha1_file(char digest[20], const char *filename) {
+    FILE *fp = fopen(filename, "rb");
+    if (fp == NULL) { return -1; }
+    fseek(fp, 0L, SEEK_END);
+    long long int file_size = ftell(fp);
+    fseek(fp, 0L, SEEK_SET);
+
+    char *mem = malloc(file_size);
+    fread(mem, file_size, 1, fp);
+    sha1_memory(digest, mem, file_size);
+    free(mem);
+    fclose(fp);
+
+}
+
+int downloadFileIfNotExists(char *url, char *file, char *sha1) {
+    char temp[4096] = {0};
+    char fileTmp[4096] = {0};
+    char digest[20] = {0};
+    char digest_hex[41] = {0};
+
+    sprintf(fileTmp, "%s.tmp", file);
+
+    if (!file_exists(file)) {
+        printf("Downloading %s into %s...\n", url, fileTmp);
+        sprintf(temp, "curl -sL \"%s\" -o \"%s\"", url, fileTmp);
+        //sprintf("curl -sL %s -o %s", url, file);
+        system(temp);
+
+        sha1_file(digest, fileTmp);
+        hex(digest, digest_hex, 20);
+        if (strcmp(digest_hex, sha1) != 0) {
+            printf("HASH ERROR %s != %s!\n", digest_hex, sha1);
+            exit(-1);
+        }
+
+        if (rename(fileTmp, file) == 0) {
+            printf("File renamed successfully.\n");
+        } else {
+            printf("Error renaming file %s, %s\n", fileTmp, file);
+            perror("Error renaming file");
+            return 1;
+        }
+        //printf("SHA1: %s\n", digest_hex);
+    } else {
+        printf("Already downloaded %s...\n", url);
+    }
+}
+
+int main(int argc, const char *argv[]) {
+    char argsAllp[4096] = {0};
+    for (int n = 1; n < argc; n++) {
+        strcat(argsAllp, "\"");
+        strcat(argsAllp, argv[n]); // @TODO: This is not escaping the argument
+        strcat(argsAllp, "\"");
+        strcat(argsAllp, " ");
+    }
+    //printf("DONE! : `%s`\n", temp);
+
+    system("mkdir korge-forge-installer 2> NUL");
+    downloadFileIfNotExists("https://github.com/korlibs/forge.korge.org/releases/download/v0.1.1/korge-forge-installer.jar", "korge-forge-installer\\korge-forge-installer.jar", "8b29794bbc14e50f7c4d9c4b673aabbbdcf6cfd1");
+    downloadFileIfNotExists("https://github.com/korlibs/universal-jre/releases/download/0.0.1/OpenJDK21U-jre_x64_windows_hotspot_21.0.3_9.zip", "korge-forge-installer\\korge-forge-installer-jre.zip", "0a36d67c443387bab59e335b8a073d7d0f3a9575");
+    if (!file_exists("korge-forge-installer/jdk-21.0.3+9-jre/bin/java.exe")) {
+        printf("Unzipping JRE...\n");
+        system("tar -xzf korge-forge-installer\\korge-forge-installer-jre.zip -C korge-forge-installer");
+    }
+
+    char temp[4096] = {0};
+    sprintf(temp, "cd korge-forge-installer && jdk-21.0.3+9-jre\\bin\\java.exe -jar korge-forge-installer.jar %s", argsAllp);
+    system(temp);
+    //system("curl -s -L \"https://forge.korge.org/install-korge-forge.cmd\" -o \"install-korge-forge.cmd\"");
+    //system("install-korge-forge.cmd");
+    return 0;
+}