X-Git-Url: https://git.xonotic.org/?p=xonotic%2Fgmqcc.git;a=blobdiff_plain;f=pak.c;h=2ab417dfbbe61704f9f251bffb6dc83b5557068d;hp=a9ef112869066920a06b46608926fc3cdf47f823;hb=10738da2fb1b72adf1d29cc397b8a0fc836fdea9;hpb=eb2a74f7e7968f99f6a9e01de838a900ebd6efe0 diff --git a/pak.c b/pak.c index a9ef112..2ab417d 100644 --- a/pak.c +++ b/pak.c @@ -1,6 +1,6 @@ /* * Copyright (C) 2013 - * Dale Weiler + * Dale Weiler * * 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 @@ -25,7 +25,7 @@ /* * The PAK format uses a FOURCC concept for storing the magic ident within * the header as a uint32_t. - */ + */ #define PAK_FOURCC ((uint32_t)(('P' | ('A' << 8) | ('C' << 16) | ('K' << 24)))) typedef struct { @@ -36,7 +36,7 @@ typedef struct { * best to store the directories at the end of the file opposed * to the front, since it allows easy insertion without having * to load the entire file into memory again. - */ + */ uint32_t diroff; uint32_t dirlen; } pak_header_t; @@ -47,7 +47,7 @@ typedef struct { * describes a file (with directories/nested ones too in it's * file name). Hence it can be a file, file with directory, or * file with directories. - */ + */ typedef struct { char name[56]; uint32_t pos; @@ -58,7 +58,7 @@ typedef struct { * Used to get the next token from a string, where the * strings themselfs are seperated by chracters from * `sep`. This is essentially strsep. - */ + */ static char *pak_tree_sep(char **str, const char *sep) { char *beg = *str; char *end; @@ -158,13 +158,13 @@ static pak_file_t *pak_open_read(const char *file) { /* * Time to read in the directory handles and prepare the directories * vector. We're going to be reading some the file inwards soon. - */ + */ fs_file_seek(pak->handle, pak->header.diroff, SEEK_SET); /* * Read in all directories from the PAK file. These are considered * to be the "file entries". - */ + */ for (itr = 0; itr < pak->header.dirlen / 64; itr++) { pak_directory_t dir; fs_file_read (&dir, sizeof(pak_directory_t), 1, pak->handle); @@ -184,14 +184,14 @@ static pak_file_t *pak_open_write(const char *file) { /* * Generate the required directory structure / tree for * writing this PAK file too. - */ + */ pak_tree_build(file); if (!(pak->handle = fs_file_open(file, "wb"))) { /* * The directory tree that was created, needs to be * removed entierly if we failed to open a file. - */ + */ /* TODO backup directory clean */ mem_d(pak); @@ -239,13 +239,13 @@ bool pak_exists(pak_file_t *pak, const char *file, pak_directory_t **dir) { if (!pak || !file) return false; - + for (itr = 0; itr < vec_size(pak->directories); itr++) { if (!strcmp(pak->directories[itr].name, file)) { /* * Store back a pointer to the directory that matches * the request if requested (NULL is not allowed). - */ + */ if (dir) { *dir = &(pak->directories[itr]); } @@ -258,7 +258,7 @@ bool pak_exists(pak_file_t *pak, const char *file, pak_directory_t **dir) { /* * Extraction abilities. These work as you expect them to. - */ + */ bool pak_extract_one(pak_file_t *pak, const char *file, const char *outdir) { pak_directory_t *dir = NULL; unsigned char *dat = NULL; @@ -276,7 +276,7 @@ bool pak_extract_one(pak_file_t *pak, const char *file, const char *outdir) { /* * Generate the directory structure / tree that will be required * to store the extracted file. - */ + */ pak_tree_build(file); /* TODO portable path seperators */ @@ -285,7 +285,7 @@ bool pak_extract_one(pak_file_t *pak, const char *file, const char *outdir) { /* * Now create the file, if this operation fails. Then abort * It shouldn't fail though. - */ + */ if (!(out = fs_file_open(local, "wb"))) { mem_d(dat); return false; @@ -336,8 +336,8 @@ bool pak_insert_one(pak_file_t *pak, const char *file) { /* * We don't allow insertion on files that already exist within the * pak file. Weird shit can happen if we allow that ;). We also - * don't allow insertion if the pak isn't opened in write mode. - */ + * don't allow insertion if the pak isn't opened in write mode. + */ if (!pak || !file || !pak->insert || pak_exists(pak, file, NULL)) return false; @@ -358,7 +358,7 @@ bool pak_insert_one(pak_file_t *pak, const char *file) { /* * We're limited to 56 bytes for a file name string, that INCLUDES * the directory and '/' seperators. - */ + */ if (strlen(file) >= 56) { fs_file_close(fp); return false; @@ -369,7 +369,7 @@ bool pak_insert_one(pak_file_t *pak, const char *file) { /* * Allocate some memory for loading in the data that will be * redirected into the PAK file. - */ + */ if (!(dat = (unsigned char *)mem_a(dir.len))) { fs_file_close(fp); return false; @@ -391,7 +391,7 @@ bool pak_insert_one(pak_file_t *pak, const char *file) { /* * Like pak_insert_one, except this collects files in all directories * from a root directory, and inserts them all. - */ + */ bool pak_insert_all(pak_file_t *pak, const char *dir) { DIR *dp; struct dirent *dirp; @@ -422,12 +422,12 @@ bool pak_close(pak_file_t *pak) { /* * In insert mode we need to patch the header, and write * our directory entries at the end of the file. - */ + */ if (pak->insert) { pak->header.dirlen = vec_size(pak->directories) * 64; pak->header.diroff = ftell(pak->handle); - /* patch header */ + /* patch header */ fs_file_seek (pak->handle, 0, SEEK_SET); fs_file_write(&(pak->header), sizeof(pak_header_t), 1, pak->handle);