diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/chkpar.c | 126 | ||||
| -rw-r--r-- | src/cpy.c | 49 | ||||
| -rw-r--r-- | src/exi.c | 36 | ||||
| -rw-r--r-- | src/getsum.c | 40 | ||||
| -rw-r--r-- | src/hlp.c | 46 | ||||
| -rw-r--r-- | src/inidat.c | 36 | ||||
| -rw-r--r-- | src/main.c | 63 | ||||
| -rw-r--r-- | src/opn.c | 40 | ||||
| -rw-r--r-- | src/pat.c | 38 | ||||
| -rw-r--r-- | src/red.c | 42 |
10 files changed, 0 insertions, 516 deletions
diff --git a/src/chkpar.c b/src/chkpar.c deleted file mode 100644 index 081173e..0000000 --- a/src/chkpar.c +++ /dev/null @@ -1,126 +0,0 @@ -/* - Copyright 2022-2023 Gabriel Jensen. - - This file is part of agbsum. - - agbsum is free software: you can redistribute it - and/or modify it under the terms of the GNU - Affero General Public License as published by - the Free Software Foundation, either version 3 - of the License, or (at your option) any later - version. - - agbsum is distributed in the hope that it will - be useful, but WITHOUT ANY WARRANTY; without - even the implied warranty of MERCHANTABILITY - or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU Affero General Public License for more - details. - - You should have received a copy of the GNU - Affero General Public License along with agbsum. - If not, see <https://www.gnu.org/licenses/>. -*/ - -#include <agbsum.h> - -#include <inttypes.h> -#include <stddef.h> -#include <stdio.h> -#include <string.h> - -noreturn static void -agb_expparval (char const chrpar) -{ - fprintf (stderr,"Expected value for character parameter '%c'\n", chrpar); - agb_exi (agb_cnd_err, NULL); -} - -static bool -agb_chkchrpar (struct agb_dat* const restrict dat, char const* const restrict par) -{ - char const chrpar = par[0x0]; - if (chrpar == '\x0') {return true;} - - char const* const restrict paramval = &par[0x1]; - - switch (chrpar) { - default: - fprintf (stderr,"Invalid character parameter '%c'\n", chrpar); - agb_exi (agb_cnd_err, NULL); - case 'h': - agb_hlp (); - agb_exi (agb_cnd_oky, NULL); - case 'i': - { - if (paramval[0x0] == '\x0') {agb_expparval (chrpar);} - dat->pth = paramval; - } - return true; - case 'p': - dat->dopat = true; - return false; - case 's': - dat->sil = true; - return false; - } -} - -void -agb_chkpar (struct agb_dat* const restrict dat, int const argc, char const* const* const argv) { - if (argc < 0x2) { - agb_hlp (); - agb_exi (agb_cnd_oky, NULL); - } else { - size_t const numpar = argc; // Prettier. - - for (ptrdiff_t pos = 0x1u; pos < (ptrdiff_t)numpar; ++pos) { - // Iterate over the parameters. One hyphen denotes character parameters (-h) whilst two denote long paramters (--help). - - char const* const par = argv[pos]; - if (par[0x0] == '-') { - if (par[0x1] == '-') { - char const* const lngparam = &par[0x2]; - - // Check long parameters. - - if (lngparam[0x0] == '\x0') { - fputs ("Missing long parameter after '--' sequence\n", stderr); - agb_exi (agb_cnd_err, NULL); - } - - if (!strcmp (lngparam,"help")) { - agb_hlp (); - agb_exi (agb_cnd_oky, NULL); - } - - if (!strcmp (lngparam,"version")) { - agb_cpy(); - agb_exi (agb_cnd_oky, NULL); - } - - fprintf (stderr,"Invalid long parameter \"%s\"\n", lngparam); - agb_exi (agb_cnd_err, NULL); - } - - if (par[0x1] == '\x0') { - fputs ("Missing character parameter after '-'\n", stderr); - agb_exi (agb_cnd_err, NULL); - } - - // Check character parameters. - - for (char const* chrpos = &par[0x1];; ++chrpos) {if (agb_chkchrpar (dat, chrpos)) {break;}} - - continue; - } - } - - // We did not find the 'i' parameter, so we don't know where the ROM is. - - if (dat->pth == NULL) { - fputs ("ROM not set (missing character parameter 'i')\n", stderr); - agb_exi (agb_cnd_err, NULL); - } - } -} diff --git a/src/cpy.c b/src/cpy.c deleted file mode 100644 index a3f1a4b..0000000 --- a/src/cpy.c +++ /dev/null @@ -1,49 +0,0 @@ -/* - Copyright 2022-2023 Gabriel Jensen. - - This file is part of agbsum. - - agbsum is free software: you can redistribute it - and/or modify it under the terms of the GNU - Affero General Public License as published by - the Free Software Foundation, either version 3 - of the License, or (at your option) any later - version. - - agbsum is distributed in the hope that it will - be useful, but WITHOUT ANY WARRANTY; without - even the implied warranty of MERCHANTABILITY - or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU Affero General Public License for more - details. - - You should have received a copy of the GNU - Affero General Public License along with agbsum. - If not, see <https://www.gnu.org/licenses/>. -*/ - -#include <agbsum.h> - -#include <inttypes.h> -#include <stdio.h> - -void -agb_cpy (void) -{ - printf ( - "agbsum #%" PRIX64 " - Copyright 2022-2023 Gabriel Jensen.\n" - "\n" - "This program is free software: you can redistribute it and/or modify it under\n" - "the terms of the GNU General Public License as published by the Free Software\n" - "Foundation, either version 3 of the License, or (at your option) any later\n" - "version.\n" - "\n" - "This program is distributed in the hope that it will be useful, but WITHOUT ANY\n" - "WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A\n" - "PARTICULAR PURPOSE. See the GNU General Public License for more details.\n" - "\n" - "You should have received a copy of the GNU General Public License along with\n" - "this program. If not, see <https://www.gnu.org/licenses/>.\n", - agb_rel - ); -} diff --git a/src/exi.c b/src/exi.c deleted file mode 100644 index e960706..0000000 --- a/src/exi.c +++ /dev/null @@ -1,36 +0,0 @@ -/* - Copyright 2022-2023 Gabriel Jensen. - - This file is part of agbsum. - - agbsum is free software: you can redistribute it - and/or modify it under the terms of the GNU - Affero General Public License as published by - the Free Software Foundation, either version 3 - of the License, or (at your option) any later - version. - - agbsum is distributed in the hope that it will - be useful, but WITHOUT ANY WARRANTY; without - even the implied warranty of MERCHANTABILITY - or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU Affero General Public License for more - details. - - You should have received a copy of the GNU - Affero General Public License along with agbsum. - If not, see <https://www.gnu.org/licenses/>. -*/ - -#include <agbsum.h> - -#include <stdio.h> -#include <stdlib.h> - -noreturn void -agb_exi (enum agb_cnd const cnd, FILE* restrict img) -{ - if (img != NULL) { fclose (img); } - - exit (cnd == agb_cnd_oky ? EXIT_SUCCESS : EXIT_FAILURE); -} diff --git a/src/getsum.c b/src/getsum.c deleted file mode 100644 index fd0e4a4..0000000 --- a/src/getsum.c +++ /dev/null @@ -1,40 +0,0 @@ -/* - Copyright 2022-2023 Gabriel Jensen. - - This file is part of agbsum. - - agbsum is free software: you can redistribute it - and/or modify it under the terms of the GNU - Affero General Public License as published by - the Free Software Foundation, either version 3 - of the License, or (at your option) any later - version. - - agbsum is distributed in the hope that it will - be useful, but WITHOUT ANY WARRANTY; without - even the implied warranty of MERCHANTABILITY - or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU Affero General Public License for more - details. - - You should have received a copy of the GNU - Affero General Public License along with agbsum. - If not, see <https://www.gnu.org/licenses/>. -*/ - -#include <agbsum.h> - -#include <stdint.h> - -uint8_t -agb_getsum (void const* const restrict imgptr) -{ - uint8_t const* restrict img = imgptr; - uint8_t sum = UINT8_C(0x0); - - for (char unsigned const* restrict pos = img; pos != img + agb_sumoff; ++pos) { sum += *pos; } - - sum = -(UINT8_C(0x19) + sum); - - return sum; -} diff --git a/src/hlp.c b/src/hlp.c deleted file mode 100644 index 7e10e67..0000000 --- a/src/hlp.c +++ /dev/null @@ -1,46 +0,0 @@ -/* - Copyright 2022-2023 Gabriel Jensen. - - This file is part of agbsum. - - agbsum is free software: you can redistribute it - and/or modify it under the terms of the GNU - Affero General Public License as published by - the Free Software Foundation, either version 3 - of the License, or (at your option) any later - version. - - agbsum is distributed in the hope that it will - be useful, but WITHOUT ANY WARRANTY; without - even the implied warranty of MERCHANTABILITY - or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU Affero General Public License for more - details. - - You should have received a copy of the GNU - Affero General Public License along with agbsum. - If not, see <https://www.gnu.org/licenses/>. -*/ - -#include <agbsum.h> - -#include <inttypes.h> -#include <stdio.h> - -void -agb_hlp (void) -{ - fputs ( - "agbsum - Patch AGB image header checksums.\n" - "\n" - "Usage: agbsum [options] <image>\n" - "Options:\n" - " --help -h Print the help screen\n" - " -p Patch the image file\n" - " -s Don't print results\n" - " --version Print the version number\n" - "\n", - stdout - ); - agb_cpy (); -} diff --git a/src/inidat.c b/src/inidat.c deleted file mode 100644 index 05cd278..0000000 --- a/src/inidat.c +++ /dev/null @@ -1,36 +0,0 @@ -/* - Copyright 2022-2023 Gabriel Jensen. - - This file is part of agbsum. - - agbsum is free software: you can redistribute it - and/or modify it under the terms of the GNU - Affero General Public License as published by - the Free Software Foundation, either version 3 - of the License, or (at your option) any later - version. - - agbsum is distributed in the hope that it will - be useful, but WITHOUT ANY WARRANTY; without - even the implied warranty of MERCHANTABILITY - or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU Affero General Public License for more - details. - - You should have received a copy of the GNU - Affero General Public License along with agbsum. - If not, see <https://www.gnu.org/licenses/>. -*/ - -#include <agbsum.h> - -#include <stddef.h> - -void -agb_inidat (struct agb_dat* const restrict dat) -{ - dat->dopat = false; - dat->pth = NULL; - dat->sil = false; - dat->img = NULL; -} diff --git a/src/main.c b/src/main.c deleted file mode 100644 index d130bd3..0000000 --- a/src/main.c +++ /dev/null @@ -1,63 +0,0 @@ -/* - Copyright 2022-2023 Gabriel Jensen. - - This file is part of agbsum. - - agbsum is free software: you can redistribute it - and/or modify it under the terms of the GNU - Affero General Public License as published by - the Free Software Foundation, either version 3 - of the License, or (at your option) any later - version. - - agbsum is distributed in the hope that it will - be useful, but WITHOUT ANY WARRANTY; without - even the implied warranty of MERCHANTABILITY - or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU Affero General Public License for more - details. - - You should have received a copy of the GNU - Affero General Public License along with agbsum. - If not, see <https://www.gnu.org/licenses/>. -*/ - -#include <agbsum.h> - -#include <limits.h> -#include <stdint.h> -#include <stdio.h> - -#if CHAR_BIT != 0x8 -#error "agbsum only support 8-bit byte systems" -#endif - -int main (int const argc, char const* const* const argv) -{ - struct agb_dat dat; - agb_inidat (&dat); - agb_chkpar (&dat, argc, argv); - - dat.img = agb_opn (dat.pth); - - char unsigned buf[agb_sumoff + 0x1]; - - agb_red (buf, dat.img); - - { - char unsigned const sum = agb_getsum (buf); - char unsigned const romsum = buf[agb_sumoff]; - - if (romsum == sum || !dat.dopat) { - // Don't patch the ROM if it's already okay or we're not allowed to. - if (!dat.sil) {printf ("\"%s\": %hhX (%hhX in file)\n", dat.pth, sum, romsum);} - agb_exi (agb_cnd_oky, dat.img); - } - - agb_pat (dat.img, sum); - - if (!dat.sil) {printf ("\"%s\" @ %zX: %hhX => %hhX\n", dat.pth, agb_iptsrt + agb_sumoff, romsum, sum);} // If we aren't supposed to print anything then don't. - } - - agb_exi (agb_cnd_oky, dat.img); -} diff --git a/src/opn.c b/src/opn.c deleted file mode 100644 index 9990709..0000000 --- a/src/opn.c +++ /dev/null @@ -1,40 +0,0 @@ -/* - Copyright 2022-2023 Gabriel Jensen. - - This file is part of agbsum. - - agbsum is free software: you can redistribute it - and/or modify it under the terms of the GNU - Affero General Public License as published by - the Free Software Foundation, either version 3 - of the License, or (at your option) any later - version. - - agbsum is distributed in the hope that it will - be useful, but WITHOUT ANY WARRANTY; without - even the implied warranty of MERCHANTABILITY - or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU Affero General Public License for more - details. - - You should have received a copy of the GNU - Affero General Public License along with agbsum. - If not, see <https://www.gnu.org/licenses/>. -*/ - -#include <agbsum.h> - -#include <stdio.h> - -FILE* -agb_opn (char const* const restrict pth) -{ - FILE* img = fopen (pth, "r+"); - - if (img == NULL) { - fputs ("Unable to open ROM\n", stderr); - agb_exi (agb_cnd_err, NULL); - } - - return img; -} diff --git a/src/pat.c b/src/pat.c deleted file mode 100644 index 39b340f..0000000 --- a/src/pat.c +++ /dev/null @@ -1,38 +0,0 @@ -/* - Copyright 2022-2023 Gabriel Jensen. - - This file is part of agbsum. - - agbsum is free software: you can redistribute it - and/or modify it under the terms of the GNU - Affero General Public License as published by - the Free Software Foundation, either version 3 - of the License, or (at your option) any later - version. - - agbsum is distributed in the hope that it will - be useful, but WITHOUT ANY WARRANTY; without - even the implied warranty of MERCHANTABILITY - or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU Affero General Public License for more - details. - - You should have received a copy of the GNU - Affero General Public License along with agbsum. - If not, see <https://www.gnu.org/licenses/>. -*/ - -#include <agbsum.h> - -#include <stdio.h> - -void -agb_pat (FILE* const restrict img, char unsigned sum) -{ - fseek (img, (long)(agb_iptsrt + agb_sumoff), SEEK_SET); - - if (fwrite (&sum, 0x1u, 0x1u, img) != 0x1u) { - fputs ("Unable to patch ROM\n", stderr); - agb_exi (agb_cnd_err, img); - } -} diff --git a/src/red.c b/src/red.c deleted file mode 100644 index 64d81da..0000000 --- a/src/red.c +++ /dev/null @@ -1,42 +0,0 @@ -/* - Copyright 2022-2023 Gabriel Jensen. - - This file is part of agbsum. - - agbsum is free software: you can redistribute it - and/or modify it under the terms of the GNU - Affero General Public License as published by - the Free Software Foundation, either version 3 - of the License, or (at your option) any later - version. - - agbsum is distributed in the hope that it will - be useful, but WITHOUT ANY WARRANTY; without - even the implied warranty of MERCHANTABILITY - or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU Affero General Public License for more - details. - - You should have received a copy of the GNU - Affero General Public License along with agbsum. - If not, see <https://www.gnu.org/licenses/>. -*/ - -#include <agbsum.h> - -#include <stdio.h> - -void -agb_red (void* const restrict buf, FILE* restrict img) -{ - // We only need to read the part of the image - // that is used for the checksum. - fseek (img, agb_iptsrt, SEEK_SET); - - size_t const num = agb_sumoff + 0x1u; - - if (fread (buf, 0x1u, num, img) != num) { - fputs ("Unable to read ROM\n", stderr); - agb_exi (agb_cnd_err, img); - } -} |