mirror of
https://github.com/gbdev/rgbds.git
synced 2025-11-20 18:22:07 +00:00
rgbfix: use mkstemp() instead of tmpnam() and fix coding style issues
Signed-off-by: Vegard Nossum <vegard.nossum@gmail.com>
This commit is contained in:
Vegard Nossum
@@ -13,10 +13,10 @@
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*
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*/
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#define OPTF_DEBUG 0x01L
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#define OPTF_PAD 0x02L
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#define OPTF_DEBUG 0x01L
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#define OPTF_PAD 0x02L
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#define OPTF_VALIDATE 0x04L
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#define OPTF_TITLE 0x08L
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#define OPTF_TITLE 0x08L
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#define OPTF_TRUNCATE 0x10L
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unsigned long ulOptions;
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@@ -27,12 +27,12 @@ unsigned long ulOptions;
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*/
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unsigned char NintendoChar[48] = {
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0xCE, 0xED, 0x66, 0x66, 0xCC, 0x0D, 0x00, 0x0B, 0x03, 0x73, 0x00, 0x83,
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0x00, 0x0C, 0x00, 0x0D,
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0x00, 0x08, 0x11, 0x1F, 0x88, 0x89, 0x00, 0x0E, 0xDC, 0xCC, 0x6E, 0xE6,
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0xDD, 0xDD, 0xD9, 0x99,
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0xBB, 0xBB, 0x67, 0x63, 0x6E, 0x0E, 0xEC, 0xCC, 0xDD, 0xDC, 0x99, 0x9F,
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0xBB, 0xB9, 0x33, 0x3E
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0xCE, 0xED, 0x66, 0x66, 0xCC, 0x0D, 0x00, 0x0B,
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0x03, 0x73, 0x00, 0x83, 0x00, 0x0C, 0x00, 0x0D,
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0x00, 0x08, 0x11, 0x1F, 0x88, 0x89, 0x00, 0x0E,
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0xDC, 0xCC, 0x6E, 0xE6, 0xDD, 0xDD, 0xD9, 0x99,
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0xBB, 0xBB, 0x67, 0x63, 0x6E, 0x0E, 0xEC, 0xCC,
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0xDD, 0xDC, 0x99, 0x9F, 0xBB, 0xB9, 0x33, 0x3E,
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};
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/*
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@@ -42,19 +42,18 @@ unsigned char NintendoChar[48] = {
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void PrintUsage(void)
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{
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printf("RGBFix v" RGBFIX_VERSION " (part of ASMotor " ASMOTOR_VERSION
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")\n\n");
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printf("RGBFix v" RGBFIX_VERSION
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" (part of ASMotor " ASMOTOR_VERSION ")\n\n");
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printf("Usage: rgbfix [options] image[.gb]\n");
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printf("Options:\n");
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printf("\t-h\t\tThis text\n");
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printf("\t-d\t\tDebug: Don't change image\n");
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printf
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("\t-p\t\tPad image to valid size\n\t\t\tPads to 32/64/128/256/512kB as appropriate\n");
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printf
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("\t-r\t\ttRuncate image to valid size\n\t\t\tTruncates to 32/64/128/256/512kB as appropriate\n");
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printf("\t-p\t\tPad image to valid size\n\t\t\tPads to 32/64/128/256/512kB as appropriate\n");
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printf("\t-r\t\ttRuncate image to valid size\n\t\t\tTruncates to 32/64/128/256/512kB as appropriate\n");
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printf("\t-t<name>\tChange cartridge title field (16 characters)\n");
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printf
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("\t-v\t\tValidate header\n\t\t\tCorrects - Nintendo Character Area (0x0104)\n\t\t\t\t - ROM type (0x0147)\n\t\t\t\t - ROM size (0x0148)\n\t\t\t\t - Checksums (0x014D-0x014F)\n");
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printf("\t-v\t\tValidate header\n\t\t\tCorrects - Nintendo Character Area (0x0104)\n\t\t\t\t - ROM type (0x0147)\n\t\t\t\t - ROM size (0x0148)\n\t\t\t\t - Checksums (0x014D-0x014F)\n");
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exit(0);
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}
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@@ -136,267 +135,267 @@ int main(int argc, char *argv[])
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if (!FileExists(filename))
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strcat(filename, ".gb");
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if ((f = fopen(filename, "rb+")) != NULL) {
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/*
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* -d (Debug) option code
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*
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*/
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f = fopen(filename, "rb+");
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if (!f)
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FatalError("Unable to open file");
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if (ulOptions & OPTF_DEBUG) {
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printf("-d (Debug) option enabled...\n");
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}
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/*
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* -d (Debug) option code
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*
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*/
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if (ulOptions & OPTF_DEBUG) {
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printf("-d (Debug) option enabled...\n");
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}
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/*
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* -p (Pad) option code
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*
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*/
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if (ulOptions & OPTF_PAD) {
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long size, padto;
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long bytesadded = 0;
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size = FileSize(f);
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padto = 0x8000L;
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while (size > padto)
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padto *= 2;
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printf("Padding to %ldkB:\n", padto / 1024);
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/*
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* -p (Pad) option code
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*
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*/
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if (ulOptions & OPTF_PAD) {
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long size, padto;
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long bytesadded = 0;
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size = FileSize(f);
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padto = 0x8000L;
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while (size > padto)
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padto *= 2;
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printf("Padding to %ldkB:\n", padto / 1024);
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/*
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if( padto<=0x80000L )
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{
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*/
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if (size != padto) {
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fflush(stdout);
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fseek(f, 0, SEEK_END);
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while (size < padto) {
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size += 1;
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if ((ulOptions & OPTF_DEBUG) == 0)
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fputc(0, f);
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bytesadded += 1;
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}
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fflush(f);
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printf("\tAdded %ld bytes\n", bytesadded);
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} else
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printf("\tNo padding needed\n");
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/*
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}
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else
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FatalError( "Image size exceeds 512kB" );
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*/
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}
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/*
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* -r (Truncate) option code
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*
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*/
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if (ulOptions & OPTF_TRUNCATE) {
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long size, padto;
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char tempfile[512];
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FILE *tf;
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size = FileSize(f);
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padto = 256 * 32768;
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while (size < padto)
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padto /= 2;
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printf("Truncating to %ldkB:\n", padto / 1024);
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tmpnam(tempfile);
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if ((ulOptions & OPTF_DEBUG) == 0) {
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if ((tf = fopen(tempfile, "wb")) != NULL) {
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fseek(f, 0, SEEK_SET);
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while (padto--) {
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fputc(fgetc(f), tf);
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}
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fclose(f);
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fclose(tf);
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remove(filename);
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rename(tempfile, filename);
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f = fopen(filename, "rb+");
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}
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}
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}
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/*
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* -t (Set carttitle) option code
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*
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*/
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if (ulOptions & OPTF_TITLE) {
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printf("Setting cartridge title:\n");
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if ((ulOptions & OPTF_DEBUG) == 0) {
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fflush(f);
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fseek(f, 0x0134L, SEEK_SET);
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fwrite(cartname, 16, 1, f);
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fflush(f);
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}
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printf("\tTitle set to %s\n", cartname);
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}
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/*
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* -v (Validate header) option code
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*
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*/
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if (ulOptions & OPTF_VALIDATE) {
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long i, byteschanged = 0;
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long cartromsize, calcromsize = 0, filesize;
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long carttype;
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unsigned short cartchecksum = 0, calcchecksum = 0;
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unsigned char cartcompchecksum = 0, calccompchecksum =
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0;
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int ch;
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printf("Validating header:\n");
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if( padto<=0x80000L )
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{
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*/
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if (size != padto) {
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fflush(stdout);
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/* Nintendo Character Area */
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fflush(f);
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fseek(f, 0x0104L, SEEK_SET);
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for (i = 0; i < 48; i += 1) {
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int ch;
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ch = fgetc(f);
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if (ch == EOF)
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ch = 0x00;
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if (ch != NintendoChar[i]) {
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byteschanged += 1;
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if ((ulOptions & OPTF_DEBUG) == 0) {
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fseek(f, -1, SEEK_CUR);
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fputc(NintendoChar[i], f);
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fflush(f);
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}
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}
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fseek(f, 0, SEEK_END);
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while (size < padto) {
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size += 1;
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if ((ulOptions & OPTF_DEBUG) == 0)
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fputc(0, f);
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bytesadded += 1;
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}
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fflush(f);
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if (byteschanged)
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printf
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("\tChanged %ld bytes in the Nintendo Character Area\n",
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byteschanged);
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else
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printf("\tNintendo Character Area is OK\n");
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printf("\tAdded %ld bytes\n", bytesadded);
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} else
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printf("\tNo padding needed\n");
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/*
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}
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else
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FatalError( "Image size exceeds 512kB" );
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*/
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}
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/* ROM size */
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/*
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* -r (Truncate) option code
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*
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*/
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if (ulOptions & OPTF_TRUNCATE) {
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long size, padto;
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char tempfile[] = "/tmp/rgbfix-XXXXXX";
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FILE *tf;
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size = FileSize(f);
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padto = 256 * 32768;
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while (size < padto)
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padto /= 2;
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printf("Truncating to %ldkB:\n", padto / 1024);
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mkstemp(tempfile);
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if ((ulOptions & OPTF_DEBUG) == 0) {
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if ((tf = fopen(tempfile, "wb")) != NULL) {
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fseek(f, 0, SEEK_SET);
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while (padto--) {
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fputc(fgetc(f), tf);
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}
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fclose(f);
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fclose(tf);
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remove(filename);
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rename(tempfile, filename);
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f = fopen(filename, "rb+");
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}
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}
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}
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/*
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* -t (Set carttitle) option code
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*
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*/
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if (ulOptions & OPTF_TITLE) {
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printf("Setting cartridge title:\n");
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if ((ulOptions & OPTF_DEBUG) == 0) {
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fflush(f);
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fseek(f, 0x0148L, SEEK_SET);
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cartromsize = fgetc(f);
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if (cartromsize == EOF)
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cartromsize = 0x00;
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filesize = FileSize(f);
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while (filesize > (0x8000L << calcromsize))
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calcromsize += 1;
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fseek(f, 0x0134L, SEEK_SET);
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fwrite(cartname, 16, 1, f);
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fflush(f);
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}
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printf("\tTitle set to %s\n", cartname);
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}
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/*
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* -v (Validate header) option code
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*
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*/
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if (ulOptions & OPTF_VALIDATE) {
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long i, byteschanged = 0;
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long cartromsize, calcromsize = 0, filesize;
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long carttype;
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unsigned short cartchecksum = 0, calcchecksum = 0;
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unsigned char cartcompchecksum = 0, calccompchecksum =
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0;
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int ch;
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printf("Validating header:\n");
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fflush(stdout);
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/* Nintendo Character Area */
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fflush(f);
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fseek(f, 0x0104L, SEEK_SET);
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for (i = 0; i < 48; i += 1) {
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int ch;
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ch = fgetc(f);
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if (ch == EOF)
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ch = 0x00;
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if (ch != NintendoChar[i]) {
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byteschanged += 1;
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if (calcromsize != cartromsize) {
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if ((ulOptions & OPTF_DEBUG) == 0) {
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fseek(f, -1, SEEK_CUR);
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fputc(calcromsize, f);
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fputc(NintendoChar[i], f);
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fflush(f);
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}
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}
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}
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fflush(f);
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if (byteschanged)
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printf
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("\tChanged %ld bytes in the Nintendo Character Area\n",
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byteschanged);
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else
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printf("\tNintendo Character Area is OK\n");
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/* ROM size */
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fflush(f);
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fseek(f, 0x0148L, SEEK_SET);
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cartromsize = fgetc(f);
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if (cartromsize == EOF)
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cartromsize = 0x00;
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filesize = FileSize(f);
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while (filesize > (0x8000L << calcromsize))
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calcromsize += 1;
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if (calcromsize != cartromsize) {
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if ((ulOptions & OPTF_DEBUG) == 0) {
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fseek(f, -1, SEEK_CUR);
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fputc(calcromsize, f);
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fflush(f);
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}
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printf("\tChanged ROM size byte from 0x%02lX (%ldkB) to 0x%02lX (%ldkB)\n",
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cartromsize,
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(0x8000L << cartromsize) / 1024,
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calcromsize,
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(0x8000L << calcromsize) / 1024);
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} else
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printf("\tROM size byte is OK\n");
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/* Cartridge type */
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fflush(f);
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fseek(f, 0x0147L, SEEK_SET);
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carttype = fgetc(f);
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if (carttype == EOF)
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carttype = 0x00;
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if (FileSize(f) > 0x8000L) {
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/* carttype byte must != 0x00 */
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if (carttype == 0x00) {
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if ((ulOptions & OPTF_DEBUG) == 0) {
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fseek(f, -1, SEEK_CUR);
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fputc(0x01, f);
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fflush(f);
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}
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printf
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("\tChanged ROM size byte from 0x%02lX (%ldkB) to 0x%02lX (%ldkB)\n",
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cartromsize,
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(0x8000L << cartromsize) / 1024,
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calcromsize,
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(0x8000L << calcromsize) / 1024);
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("\tCartridge type byte changed to 0x01\n");
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} else
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printf("\tROM size byte is OK\n");
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/* Cartridge type */
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fflush(f);
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fseek(f, 0x0147L, SEEK_SET);
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carttype = fgetc(f);
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if (carttype == EOF)
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carttype = 0x00;
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if (FileSize(f) > 0x8000L) {
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/* carttype byte must != 0x00 */
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if (carttype == 0x00) {
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if ((ulOptions & OPTF_DEBUG) == 0) {
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fseek(f, -1, SEEK_CUR);
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fputc(0x01, f);
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fflush(f);
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}
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printf
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("\tCartridge type byte changed to 0x01\n");
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} else
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printf("\tCartridge type byte is OK\n");
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} else {
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/* carttype byte can be anything? */
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printf("\tCartridge type byte is OK\n");
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}
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/* Checksum */
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fflush(f);
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fseek(f, 0, SEEK_SET);
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for (i = 0; i < (0x8000L << calcromsize); i += 1) {
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ch = fgetc(f);
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if (ch == EOF)
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ch = 0;
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if (i < 0x0134L)
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calcchecksum += ch;
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else if (i < 0x014DL) {
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calccompchecksum += ch;
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calcchecksum += ch;
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} else if (i == 0x014DL)
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cartcompchecksum = ch;
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else if (i == 0x014EL)
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cartchecksum = ch << 8;
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else if (i == 0x014FL)
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cartchecksum |= ch;
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else
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calcchecksum += ch;
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}
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calccompchecksum = 0xE7 - calccompchecksum;
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calcchecksum += calccompchecksum;
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if (cartchecksum != calcchecksum) {
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fflush(f);
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fseek(f, 0x014EL, SEEK_SET);
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if ((ulOptions & OPTF_DEBUG) == 0) {
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fputc(calcchecksum >> 8, f);
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fputc(calcchecksum & 0xFF, f);
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}
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fflush(f);
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printf
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("\tChecksum changed from 0x%04lX to 0x%04lX\n",
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(long)cartchecksum, (long)calcchecksum);
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} else
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printf("\tChecksum is OK\n");
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if (cartcompchecksum != calccompchecksum) {
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fflush(f);
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fseek(f, 0x014DL, SEEK_SET);
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||||
if ((ulOptions & OPTF_DEBUG) == 0)
|
||||
fputc(calccompchecksum, f);
|
||||
fflush(f);
|
||||
printf
|
||||
("\tCompChecksum changed from 0x%02lX to 0x%02lX\n",
|
||||
(long)cartcompchecksum,
|
||||
(long)calccompchecksum);
|
||||
} else
|
||||
printf("\tCompChecksum is OK\n");
|
||||
|
||||
} else {
|
||||
/* carttype byte can be anything? */
|
||||
printf("\tCartridge type byte is OK\n");
|
||||
}
|
||||
fclose(f);
|
||||
} else {
|
||||
FatalError("Unable to open file");
|
||||
|
||||
/* Checksum */
|
||||
|
||||
fflush(f);
|
||||
fseek(f, 0, SEEK_SET);
|
||||
|
||||
for (i = 0; i < (0x8000L << calcromsize); i += 1) {
|
||||
ch = fgetc(f);
|
||||
if (ch == EOF)
|
||||
ch = 0;
|
||||
|
||||
if (i < 0x0134L)
|
||||
calcchecksum += ch;
|
||||
else if (i < 0x014DL) {
|
||||
calccompchecksum += ch;
|
||||
calcchecksum += ch;
|
||||
} else if (i == 0x014DL)
|
||||
cartcompchecksum = ch;
|
||||
else if (i == 0x014EL)
|
||||
cartchecksum = ch << 8;
|
||||
else if (i == 0x014FL)
|
||||
cartchecksum |= ch;
|
||||
else
|
||||
calcchecksum += ch;
|
||||
}
|
||||
|
||||
calccompchecksum = 0xE7 - calccompchecksum;
|
||||
calcchecksum += calccompchecksum;
|
||||
|
||||
if (cartchecksum != calcchecksum) {
|
||||
fflush(f);
|
||||
fseek(f, 0x014EL, SEEK_SET);
|
||||
if ((ulOptions & OPTF_DEBUG) == 0) {
|
||||
fputc(calcchecksum >> 8, f);
|
||||
fputc(calcchecksum & 0xFF, f);
|
||||
}
|
||||
fflush(f);
|
||||
printf
|
||||
("\tChecksum changed from 0x%04lX to 0x%04lX\n",
|
||||
(long)cartchecksum, (long)calcchecksum);
|
||||
} else
|
||||
printf("\tChecksum is OK\n");
|
||||
|
||||
if (cartcompchecksum != calccompchecksum) {
|
||||
fflush(f);
|
||||
fseek(f, 0x014DL, SEEK_SET);
|
||||
if ((ulOptions & OPTF_DEBUG) == 0)
|
||||
fputc(calccompchecksum, f);
|
||||
fflush(f);
|
||||
printf
|
||||
("\tCompChecksum changed from 0x%02lX to 0x%02lX\n",
|
||||
(long)cartcompchecksum,
|
||||
(long)calccompchecksum);
|
||||
} else
|
||||
printf("\tCompChecksum is OK\n");
|
||||
|
||||
}
|
||||
|
||||
fclose(f);
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user