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https://github.com/yquake2/pakextract.git
synced 2024-11-10 06:31:55 +00:00
Support Daikatana and Quake(2) .pak files in same binary, -dk switch
by default pakextract now assumes Quake(2) format paks, add the -dk switch to the commandline for Daikatana format. e.g.: pakextract -dk -l /path/to/Daikatana/data/pak1.pak will list the files in Daikatana's pak1.pak
This commit is contained in:
Daniel Gibson
parent
5f69e932eb
commit
7dd6c848ec
2 changed files with 79 additions and 45 deletions
2
Makefile
2
Makefile
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@ -4,7 +4,7 @@ CC := clang
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# ----------
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# Base CFLAGS
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CFLAGS := -O2 -Wall -std=gnu11 -pedantic -DDAIKATANA
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CFLAGS := -O2 -Wall -std=gnu11 -pedantic
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# ----------
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110
pakextract.c
110
pakextract.c
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@ -29,14 +29,14 @@
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#include <stdlib.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <errno.h>
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#include <assert.h>
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#ifdef DAIKATANA
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#define HDR_DIR_LEN 72
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#else
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#define HDR_DIR_LEN 64
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#endif
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enum {
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HDR_DIR_LEN_Q2 = 64,
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HDR_DIR_LEN_DK = 72
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};
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/* Holds the pak header */
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struct
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@ -46,16 +46,19 @@ struct
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int dir_length;
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} header;
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int dk_pak_mode = 0;
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/* A directory entry */
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typedef struct
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{
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char file_name[56];
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int file_pos;
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int file_length; // in case of is_compressed: size after decompression
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#ifdef DAIKATANA
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// the following two are only used by daikatana
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int compressed_length; // size of compressed data in the pak
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int is_compressed; // 0: uncompressed, else compressed
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#endif
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} directory;
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/*
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@ -133,9 +136,19 @@ read_header(FILE *fd)
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return 0;
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}
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if ((header.dir_length % HDR_DIR_LEN) != 0)
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int direntry_len = dk_pak_mode ? HDR_DIR_LEN_DK : HDR_DIR_LEN_Q2;
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// Note that this check is not reliable, it could pass and it could still be the wrong kind of pak!
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if ((header.dir_length % direntry_len) != 0)
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{
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fprintf(stderr, "Corrupt pak file\n");
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const char* curmode = dk_pak_mode ? "Daikatana" : "Quake(2)";
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const char* othermode = (!dk_pak_mode) ? "Daikatana" : "Quake(2)";
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fprintf(stderr, "Corrupt pak file - maybe it's not %s format but %s format?\n", curmode, othermode);
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if(!dk_pak_mode)
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fprintf(stderr, "If this is a Daikatana .pak file, try adding '-dk' to command-line!\n");
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else
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fprintf(stderr, "Are you sure this is a Daikatana .pak file? Try removing '-dk' from command-line!\n");
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return 0;
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}
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@ -149,10 +162,16 @@ read_dir_entry(directory* entry, FILE* fd)
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if(fread(&(entry->file_pos), 4, 1, fd) != 1) return 0;
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if(fread(&(entry->file_length), 4, 1, fd) != 1) return 0;
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#ifdef DAIKATANA
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if(dk_pak_mode)
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{
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if(fread(&(entry->compressed_length), 4, 1, fd) != 1) return 0;
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if(fread(&(entry->is_compressed), 4, 1, fd) != 1) return 0;
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#endif // DAIKATANA
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}
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else
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{
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entry->compressed_length = 0;
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entry->is_compressed = 0;
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}
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// TODO: we could convert the ints to platform endianess now
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@ -171,16 +190,22 @@ static directory *
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read_directory(FILE *fd, int listOnly, int* num_entries)
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{
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int i;
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int num_dir_entries = header.dir_length / HDR_DIR_LEN;
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int direntry_len = dk_pak_mode ? HDR_DIR_LEN_DK : HDR_DIR_LEN_Q2;
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int num_dir_entries = header.dir_length / direntry_len;
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directory* dir = calloc(num_dir_entries, sizeof(directory));
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directory* cur = NULL;
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if(dir == NULL)
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{
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perror("Couldn't allocate memory");
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return NULL;
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}
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/* Navigate to the directory */
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fseek(fd, header.dir_offset, SEEK_SET);
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for (i = 0; i < num_dir_entries; ++i)
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{
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cur = &dir[i];
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directory* cur = &dir[i];
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if (!read_dir_entry(cur, fd))
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{
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@ -193,9 +218,10 @@ read_directory(FILE *fd, int listOnly, int* num_entries)
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if(listOnly)
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{
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printf("%s (%d bytes", cur->file_name, cur->file_length);
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#ifdef DAIKATANA
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if(cur->is_compressed) printf(", %d compressed", cur->compressed_length);
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#endif
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if(dk_pak_mode && cur->is_compressed)
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printf(", %d compressed", cur->compressed_length);
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printf(")\n");
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}
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}
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@ -204,8 +230,6 @@ read_directory(FILE *fd, int listOnly, int* num_entries)
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return dir;
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}
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#ifdef DAIKATANA
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static void
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extract_compressed(FILE* in, directory *d)
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{
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@ -303,7 +327,6 @@ extract_compressed(FILE* in, directory *d)
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free(in_buf);
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free(out_buf);
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}
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#endif
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static void
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extract_raw(FILE* in, directory *d)
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@ -355,13 +378,12 @@ extract_files(FILE *fd, directory *dirs, int num_entries)
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directory* d = &dirs[i];
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mktree(d->file_name);
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#ifdef DAIKATANA
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if(d->is_compressed)
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{
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assert(dk_pak_mode != 0 && "Only Daikatana paks contain compressed files!");
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extract_compressed(fd, d);
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}
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else
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#endif
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{
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extract_raw(fd, d);
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}
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@ -371,13 +393,12 @@ extract_files(FILE *fd, directory *dirs, int num_entries)
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static void
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printUsage(const char* argv0)
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{
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#ifdef DAIKATANA
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fprintf(stderr, "Extractor for Daikatana .pak files\n");
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#else
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fprintf(stderr, "Extractor for Quake/Quake2 (and compatible) .pak files\n");
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#endif
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fprintf(stderr, "Usage: %s [-l] pakfile\n", argv0);
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fprintf(stderr, "Extractor for Quake/Quake2 (and compatible) and Daikatana .pak files\n");
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fprintf(stderr, "Usage: %s [-l] [-dk] pakfile\n", argv0);
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fprintf(stderr, " -l don't extract, just list contents\n");
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fprintf(stderr, " -dk Daikatana pak format (Quake is default)\n");
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}
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/*
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@ -388,8 +409,12 @@ printUsage(const char* argv0)
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int
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main(int argc, char *argv[])
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{
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directory *d;
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FILE *fd;
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directory *d = NULL;
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FILE *fd = NULL;
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const char* filename = NULL;
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int listOnly = 0;
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int i = 0;
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int num_entries = 0;
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/* Correct usage? */
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if (argc < 2)
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@ -398,25 +423,35 @@ main(int argc, char *argv[])
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exit(-1);
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}
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int listOnly = 0;
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if(strcmp(argv[1], "-l") == 0)
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for(i=1; i<argc; ++i)
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{
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if(argc < 3)
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const char* arg = argv[i];
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if(strcmp(arg, "-l") == 0) listOnly = 1;
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else if(strcmp(arg, "-dk") == 0) dk_pak_mode = 1;
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else
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{
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if(filename != NULL) // we already set a filename, wtf
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{
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fprintf(stderr, "!! Illegal argument '%s' (or too many filenames) !!\n", arg);
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printUsage(argv[0]);
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exit(-1);
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}
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listOnly = 1;
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filename = arg;
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}
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}
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const char* filename = listOnly ? argv[2] : argv[1];
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if(filename == NULL)
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{
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fprintf(stderr, "!! No filename given !!\n");
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printUsage(argv[0]);
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exit(-1);
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}
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/* Open the pak file */
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fd = fopen(filename, "r");
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if (fd == NULL)
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{
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perror("Could not open the pak file");
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fprintf(stderr, "Could not open the pak file '%s': %s\n", filename, strerror(errno));
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exit(-1);
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}
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@ -428,7 +463,6 @@ main(int argc, char *argv[])
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}
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/* Read the directory */
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int num_entries;
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d = read_directory(fd, listOnly, &num_entries);
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if (d == NULL)
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{
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