rewrite split and join to C99

MAKE.bat

@@ -272,11 +272,11 @@ if "%1"=="prep" (
 
 rem shortcuts for split & join amalgamation scripts
 if "%1"=="split" (
-    call tools\split
+    call tools\split.bat
     exit /b
 )
 if "%1"=="join" (
-    call tools\join
+    call tools\join.bat
     exit /b
 )
 if "%1"=="3rd" (

tools/join.bat

@@ -1,5 +1,5 @@
 #!/bin/bash 2>nul
 
-python tools/join.py --template engine/split/v4k.h.inl --path ./engine/split/ --output ./engine/v4k.h
+tools\join.exe --template engine/split/v4k.h.inl --path ./engine/split/ --output ./engine/v4k.h
-python tools/join.py --template engine/split/v4k.c.inl --path ./engine/split/ --output ./engine/v4k.c
+tools\join.exe --template engine/split/v4k.c.inl --path ./engine/split/ --output ./engine/v4k.c
-python tools/join.py --template engine/split/v4k.x.inl --path ./engine/split/ --output ./engine/v4k
+tools\join.exe --template engine/split/v4k.x.inl --path ./engine/split/ --output ./engine/v4k

tools/join.c

@@ -0,0 +1,95 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdbool.h>
+
+#define MAX_PATH 1024
+#define MAX_LINE 4096
+
+void process_template(const char* template_path, const char* base_path, const char* output_path) {
+    FILE *template_file, *output_file;
+    char line[MAX_LINE];
+    char file_path[MAX_PATH];
+
+    template_file = fopen(template_path, "r");
+    if (!template_file) {
+        fprintf(stderr, "Error opening template file: %s\n", template_path);
+        exit(1);
+    }
+
+    output_file = fopen(output_path, "w");
+    if (!output_file) {
+        fprintf(stderr, "Error opening output file: %s\n", output_path);
+        fclose(template_file);
+        exit(1);
+    }
+
+    while (fgets(line, sizeof(line), template_file)) {
+        if (strncmp(line, "{{FILE:", 7) == 0) {
+            char* end = strchr(line + 7, '}');
+            if (end) {
+                *end = '\0';
+                snprintf(file_path, sizeof(file_path), "%s%s", base_path, line + 7);
+                printf("Appending file: %s\n", line + 7);
+                
+                FILE* include_file = fopen(file_path, "r");
+                if (include_file) {
+                    fprintf(output_file, "#line 1 \"%s\"\n", line + 7);
+                    char include_line[MAX_LINE];
+                    while (fgets(include_line, sizeof(include_line), include_file)) {
+                        fputs(include_line, output_file);
+                    }
+                    fprintf(output_file, "#line 0\n");
+                    fclose(include_file);
+                } else {
+                    fprintf(stderr, "Warning: Unable to open included file: %s\n", file_path);
+                    fputs(line, output_file);
+                }
+            } else {
+                fputs(line, output_file);
+            }
+        } else {
+            fputs(line, output_file);
+        }
+    }
+
+    fclose(template_file);
+    fclose(output_file);
+}
+
+int main(int argc, char* argv[]) {
+    char template_path[MAX_PATH] = "";
+    char base_path[MAX_PATH] = "";
+    char output_path[MAX_PATH] = "";
+
+    for (int i = 1; i < argc; i += 2) {
+        if (i + 1 < argc) {
+            if (strcmp(argv[i], "--template") == 0) {
+                strncpy(template_path, argv[i + 1], sizeof(template_path) - 1);
+            } else if (strcmp(argv[i], "--path") == 0) {
+                strncpy(base_path, argv[i + 1], sizeof(base_path) - 1);
+            } else if (strcmp(argv[i], "--output") == 0) {
+                strncpy(output_path, argv[i + 1], sizeof(output_path) - 1);
+            }
+        }
+    }
+
+    if (template_path[0] == '\0' || base_path[0] == '\0' || output_path[0] == '\0') {
+        fprintf(stderr, "Usage: %s --template <template_file> --path <base_path> --output <output_file>\n", argv[0]);
+        return 1;
+    }
+
+    process_template(template_path, base_path, output_path);
+    printf("OK\n");
+
+    return 0;
+}
+
+/*
+   compiled with:
+   cc -ObjC join.c -I../engine -o join.osx -framework Cocoa -framework IOKit -framework audiotoolbox -framework coreaudio -O3
+   cc join.c       -I../engine -o join.linux -lm -lpthread -ldl -lX11 -O3
+   tcc join.c      -I..\engine
+   cl  join.c      -I..\engine /openmp /Os /Ox /O2 /Oy /MT /DNDEBUG /GL /GF /Gw /arch:AVX2 /link /OPT:ICF /LTCG
+   del *.o & del *.obj & del *.lib & del *.exp & del *.pdb
+*/

tools/split.bat

@@ -1,5 +1,5 @@
 #!/bin/bash 2>nul
 
-python tools/split.py --input ./engine/v4k.h --output-path ./engine/split/
+tools/split.exe --input ./engine/v4k.h --output-path ./engine/split/
-python tools/split.py --input ./engine/v4k.c --output-path ./engine/split/
+tools/split.exe --input ./engine/v4k.c --output-path ./engine/split/
-python tools/split.py --input ./engine/v4k   --output-path ./engine/split/
+tools/split.exe --input ./engine/v4k   --output-path ./engine/split/

tools/split.c

@@ -0,0 +1,102 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdbool.h>
+
+#define MAX_FILENAME_LENGTH 256
+#define MAX_LINE_LENGTH 1024
+
+void print_usage(const char* program_name) {
+    fprintf(stderr, "Usage: %s --input <input_file> --output-path <output_path>\n", program_name);
+}
+
+int main(int argc, char* argv[]) {
+    char* input_file = NULL;
+    char* output_path = NULL;
+
+    // Parse command-line arguments
+    for (int i = 1; i < argc; i += 2) {
+        if (i + 1 >= argc) {
+            fprintf(stderr, "Error: Missing argument value\n");
+            print_usage(argv[0]);
+            return 1;
+        }
+        if (strcmp(argv[i], "--input") == 0) {
+            input_file = argv[i + 1];
+        } else if (strcmp(argv[i], "--output-path") == 0) {
+            output_path = argv[i + 1];
+        } else {
+            fprintf(stderr, "Error: Unknown argument %s\n", argv[i]);
+            print_usage(argv[0]);
+            return 1;
+        }
+    }
+
+    if (!input_file || !output_path) {
+        fprintf(stderr, "Error: Missing required arguments\n");
+        print_usage(argv[0]);
+        return 1;
+    }
+
+    FILE* input = fopen(input_file, "r");
+    if (!input) {
+        fprintf(stderr, "Error: Unable to open input file %s\n", input_file);
+        return 1;
+    }
+
+    char line[MAX_LINE_LENGTH];
+    char current_filename[MAX_FILENAME_LENGTH] = "";
+    FILE* current_output = NULL;
+
+    while (fgets(line, sizeof(line), input)) {
+        if (strncmp(line, "#line 1 ", 8) == 0) {
+            // Close previous output file if open
+            if (current_output) {
+                fclose(current_output);
+                current_output = NULL;
+            }
+
+            // Extract new filename
+            sscanf(line, "#line 1 \"%[^\"]\"", current_filename);
+
+            // Open new output file
+            char output_filename[MAX_FILENAME_LENGTH * 2];
+            snprintf(output_filename, sizeof(output_filename), "%s/%s", output_path, current_filename);
+            current_output = fopen(output_filename, "w");
+            if (!current_output) {
+                fprintf(stderr, "Error: Unable to open output file %s\n", output_filename);
+                fclose(input);
+                return 1;
+            }
+            printf("Writing file: %s\n", current_filename);
+        } else if (strncmp(line, "#line 0", 7) == 0) {
+            // Close current output file
+            if (current_output) {
+                fclose(current_output);
+                current_output = NULL;
+            }
+        } else if (current_output) {
+            // Write line to current output file
+            fputs(line, current_output);
+        }
+    }
+
+    // Close any open files
+    if (current_output) {
+        fclose(current_output);
+    }
+    fclose(input);
+
+    printf("OK\n");
+    return 0;
+}
+
+
+/*
+   compiled with:
+   cc -ObjC join.c -I../engine -o join.osx -framework Cocoa -framework IOKit -framework audiotoolbox -framework coreaudio -O3
+   cc join.c       -I../engine -o join.linux -lm -lpthread -ldl -lX11 -O3
+   tcc join.c      -I..\engine
+   cl  join.c      -I..\engine /openmp /Os /Ox /O2 /Oy /MT /DNDEBUG /GL /GF /Gw /arch:AVX2 /link /OPT:ICF /LTCG
+   del *.o & del *.obj & del *.lib & del *.exp & del *.pdb
+*/