1 files changed, 201 insertions, 0 deletions
diff --git a/tools/bin2c/bin2c.c b/tools/bin2c/bin2c.c
new file mode 100644
index 0000000..b4bd437
--- /dev/null
+++ b/tools/bin2c/bin2c.c
@@ -0,0 +1,201 @@
+// Copyright(c) 2015-2016 YamaArashi
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdbool.h>
+
+#ifdef _MSC_VER
+
+#define FATAL_ERROR(format, ...)          \
+do                                        \
+{                                         \
+    fprintf(stderr, format, __VA_ARGS__); \
+    exit(1);                              \
+} while (0)
+
+#else
+
+#define FATAL_ERROR(format, ...)            \
+do                                          \
+{                                           \
+    fprintf(stderr, format, ##__VA_ARGS__); \
+    exit(1);                                \
+} while (0)
+
+#endif // _MSC_VER
+
+unsigned char *ReadWholeFile(char *path, int *size)
+{
+    FILE *fp = fopen(path, "rb");
+
+    if (fp == NULL)
+        FATAL_ERROR("Failed to open \"%s\" for reading.\n", path);
+
+    fseek(fp, 0, SEEK_END);
+
+    *size = ftell(fp);
+
+    unsigned char *buffer = malloc(*size);
+
+    if (buffer == NULL)
+        FATAL_ERROR("Failed to allocate memory for reading \"%s\".\n", path);
+
+    rewind(fp);
+
+    if (fread(buffer, *size, 1, fp) != 1)
+        FATAL_ERROR("Failed to read \"%s\".\n", path);
+
+    fclose(fp);
+
+    return buffer;
+}
+
+int ExtractData(unsigned char *buffer, int offset, int size)
+{
+    switch (size)
+    {
+    case 1:
+        return buffer[offset];
+    case 2:
+        return (buffer[offset + 1] << 8)
+             | buffer[offset];
+    case 4:
+        return (buffer[offset + 3] << 24)
+             | (buffer[offset + 2] << 16)
+             | (buffer[offset + 1] << 8)
+             | buffer[offset];
+    default:
+        FATAL_ERROR("Invalid size passed to ExtractData.\n");
+    }
+}
+
+int main(int argc, char **argv)
+{
+    if (argc < 3)
+        FATAL_ERROR("Usage: bin2c INPUT_FILE VAR_NAME [OPTIONS...]\n");
+
+    int fileSize;
+    unsigned char *buffer = ReadWholeFile(argv[1], &fileSize);
+    char *var_name = argv[2];
+    int col = 1;
+    int pad = 0;
+    int size = 1;
+    bool isSigned = false;
+    bool isStatic = false;
+    bool isDecimal = false;
+
+    for (int i = 3; i < argc; i++)
+    {
+        if (!strcmp(argv[i], "-col"))
+        {
+            i++;
+
+            if (i >= argc)
+                FATAL_ERROR("Missing argument after '-col'.\n");
+
+            col = atoi(argv[i]);
+        }
+        else if (!strcmp(argv[i], "-pad"))
+        {
+            i++;
+
+            if (i >= argc)
+                FATAL_ERROR("Missing argument after '-pad'.\n");
+
+            pad = atoi(argv[i]);
+        }
+        else if (!strcmp(argv[i], "-size"))
+        {
+            i++;
+
+            if (i >= argc)
+                FATAL_ERROR("Missing argument after '-size'.\n");
+
+            size = atoi(argv[i]);
+
+            if (size != 1 && size != 2 && size != 4)
+                FATAL_ERROR("Size must be 1, 2, or 4.\n");
+        }
+        else if (!strcmp(argv[i], "-signed"))
+        {
+            isSigned = true;
+            isDecimal = true;
+        }
+        else if (!strcmp(argv[i], "-static"))
+        {
+            isStatic = true;
+        }
+        else if (!strcmp(argv[i], "-decimal"))
+        {
+            isDecimal = true;
+        }
+        else
+        {
+            FATAL_ERROR("Unrecognized option '%s'.\n", argv[i]);
+        }
+    }
+
+    if ((fileSize & (size - 1)) != 0)
+        FATAL_ERROR("Size %d doesn't evenly divide file size %d.\n", size, fileSize);
+
+    printf("// Generated file. Do not edit.\n\n");
+
+    if (isStatic)
+        printf("static ");
+
+    printf("const ");
+
+    if (isSigned)
+        printf("s%d ", 8 * size);
+    else
+        printf("u%d ", 8 * size);
+
+    printf("%s[] =\n{", var_name);
+
+    int count = fileSize / size;
+    int offset = 0;
+
+    for (int i = 0; i < count; i++)
+    {
+        if (i % col == 0)
+            printf("\n    ");
+
+        int data = ExtractData(buffer, offset, size);
+        offset += size;
+
+        if (isDecimal)
+        {
+            if (isSigned)
+                printf("%*d, ", pad, data);
+            else
+                printf("%*uu, ", pad, data);
+        }
+        else
+        {
+            printf("%#*xu, ", pad, data);
+        }
+    }
+
+    printf("\n};\n");
+
+    return 0;
+}