mirror of
https://github.com/ZDoom/gzdoom-gles.git
synced 2024-11-19 10:51:26 +00:00
a4dc93fb91
might still be present in the texture manager; I don't remember.) - Fixed: EndSequence needs a proper constructor. - Some more GCC warning removals. SVN r1021 (trunk)
505 lines
12 KiB
C
505 lines
12 KiB
C
// makewad.c
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//
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// Reads a wad specification from stdin.
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// Produces a wad file -or- writes a Makefile to stdout.
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#include <stdio.h>
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#include <string.h>
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#include <ctype.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <time.h>
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#include "zip.h"
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#define MAX_LUMPS 4096
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typedef struct
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{
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char magic[4];
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unsigned int numlumps;
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int infotableofs;
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} wadinfo_t;
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typedef struct
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{
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int filepos;
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unsigned int size;
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char name[8];
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} filelump_t;
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/*
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// appendlump(wadfile, filename):
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//
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// open the file by filename, write all of its contents to the wadfile
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//
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// returns: 0 = success, 1 = error
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*/
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int appendlump (FILE *wadfile, char *filename)
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{
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char readbuf[64*1024];
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FILE *lumpfile;
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size_t readlen;
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int ret = 0;
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lumpfile = fopen (filename, "rb");
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if (lumpfile == NULL)
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{
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fprintf (stderr, "Could not open %s: %s\n", filename, strerror(errno));
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return 1;
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}
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while (lumpfile != NULL)
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{
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// try to read a chunk of data
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readlen = fread (readbuf, 1, sizeof(readbuf), lumpfile);
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// if we reached the end, or hit an error
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if (readlen < sizeof(readbuf))
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{
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// if it's an error,
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if (ferror (lumpfile))
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{
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// diagnose
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fprintf (stderr, "Error reading %s: %s\n", filename, strerror(errno));
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// set return code to error
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ret |= 1;
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}
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// in any case, close the lump file to break the loop
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fclose (lumpfile);
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lumpfile = NULL;
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}
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// write whatever data we have in the buffer
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// if we hit an error (less bytes written than given)
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if (fwrite (readbuf, 1, readlen, wadfile) < readlen)
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{
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// diagnose
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fprintf (stderr, "Error writing to wad: %s\n", strerror(errno));
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// close the lump file to break the loop
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fclose (lumpfile);
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lumpfile = NULL;
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// set return code to error
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ret |= 1;
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}
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// if the lump file got closed, the loop exits
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}
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return ret;
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}
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/*
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// appendtozip(zipFile, zipname, filename):
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//
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// write a given lump file (filename) to the zipFile as zipname
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//
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// zipFile: zip object to be written to
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//
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// zipname: name of the file inside the zip
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// filename: file to read data from
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//
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// returns: 0 = success, 1 = error
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*/
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int appendtozip (zipFile zipfile, const char * zipname, const char *filename)
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{
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char *readbuf;
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FILE *lumpfile;
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size_t readlen;
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size_t len;
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zip_fileinfo zip_inf;
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time_t currenttime;
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struct tm * ltime;
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// clear zip_inf structure
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memset(&zip_inf, 0, sizeof(zip_inf));
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// try to determine local time
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time(¤ttime);
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ltime = localtime(¤ttime);
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// if succeeded,
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if (ltime != NULL)
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{
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// put it into the zip_inf structure
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zip_inf.tmz_date.tm_sec = ltime->tm_sec;
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zip_inf.tmz_date.tm_min = ltime->tm_min;
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zip_inf.tmz_date.tm_hour = ltime->tm_hour;
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zip_inf.tmz_date.tm_mday = ltime->tm_mday;
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zip_inf.tmz_date.tm_mon = ltime->tm_mon;
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zip_inf.tmz_date.tm_year = ltime->tm_year;
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}
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// lumpfile = source file
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lumpfile = fopen (filename, "rb");
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if (lumpfile == NULL)
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{
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fprintf (stderr, "Could not open %s: %s\n", filename, strerror(errno));
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return 1;
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}
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// len = source size
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fseek (lumpfile, 0, SEEK_END);
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len = ftell(lumpfile);
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fseek (lumpfile, 0, SEEK_SET);
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// allocate a buffer for the whole source file
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readbuf = (char*)malloc(len);
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if (readbuf == NULL)
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{
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fclose(lumpfile);
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fprintf (stderr, "Could not allocate %u bytes\n", (int)len);
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return 1;
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}
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// read the whole source file into buffer
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readlen = fread (readbuf, 1, len, lumpfile);
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fclose(lumpfile);
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// if read less bytes than expected,
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if (readlen != len)
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{
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// diagnose and return error
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free (readbuf);
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fprintf (stderr, "Unable to read %s\n", filename);
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return 1;
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}
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// file loaded
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// create zip entry, giving entry name and zip_inf data,
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// write data into zipfile, and close the zip entry
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if (Z_OK != zipAddFileToZip(zipfile, zipname, &zip_inf, readbuf, (unsigned)len))
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{
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free (readbuf);
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fprintf (stderr, "Unable to write %s to zip\n", filename);
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return 1;
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}
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// all done
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free (readbuf);
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return 0;
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}
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/*
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// buildwad(listfile, listfilename, makecmd, makefile)
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//
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// go through the listfile, either:
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// writing dependencies (listfile + lumps with files) into a makefile,
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// -or-
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// writing lumps into a wad/zip file
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//
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// listfile: already opened source file
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// listfilename: filename, if any - only for the makefile
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// makecmd: given as argv[0] - only for the makefile
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// makefile: output filename for makefile. determines mode:
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// - if specified, we're writing deps into a makefile
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// - otherwise, we're writing lumps into a wad/zip
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//
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*/
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int buildwad (FILE *listfile, char *listfilename, const char *makecmd, char *makefile)
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{
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// destination we're writing output into -
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// one of these:
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zipFile zipfile = NULL;
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FILE *wadfile = NULL;
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wadinfo_t header;
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filelump_t directory[MAX_LUMPS];
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char str[256]; // buffer for reading listfile line by line
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char *pt;
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char *lumpname, *filename;
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int lineno = 0;
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int ret = 0;
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int i;
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// prepare PWAD data
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strncpy (header.magic, "PWAD", 4);
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header.infotableofs = 0;
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header.numlumps = 0;
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memset (directory, 0, sizeof(directory));
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// read the listfile line by line
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while (fgets (str, sizeof(str), listfile))
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{
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lineno++; // counting lines for diagnostic purposes
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// Strip comments
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pt = strchr (str, '#');
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if (pt) *pt = 0;
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// Strip trailing whitespace
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pt = str + strlen (str) - 1;
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while (pt >= str && isspace(*pt)) pt--;
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if (pt < str) continue;
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pt[1] = 0;
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// Skip leading whitespace
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pt = str;
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while (isspace(*pt)) pt++;
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if (*pt == '@')
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{ // Rest of line is wadfile to create
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if (wadfile != NULL || zipfile != NULL)
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{
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fprintf (stderr, "Line %d: Tried to reopen wadfile as %s.\n", lineno, pt + 1);
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if (wadfile != NULL) fclose (wadfile);
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if (zipfile != NULL) zipClose (zipfile, NULL);
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return 1;
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}
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if (!makefile) // if it's not a makefile,
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{
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int ln = (int)strlen(pt+1);
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filename = pt+1;
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if (ln >= 4)
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{
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// If the output file has an extension '.zip' or '.pk3' it will be in Zip format.
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if (!stricmp(filename+ln-3, "ZIP") || !stricmp(filename+ln-3, "PK3"))
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{
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zipfile = zipOpen(filename, APPEND_STATUS_CREATE);
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if (zipfile == NULL)
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{
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fprintf (stderr, "Line %d: Could not open %s: %s\n", lineno, filename, strerror(errno));
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return 1;
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}
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}
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}
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}
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else filename = makefile;
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if (!zipfile) // if we didn't end up opening zip, it's a regular file
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{
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// open wadfile
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wadfile = fopen (filename, makefile ? "w" : "wb");
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if (wadfile == NULL)
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{
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fprintf (stderr, "Line %d: Could not open %s: %s\n", lineno, filename, strerror(errno));
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return 1;
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}
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if (makefile)
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{ // Write out the only rule the makefile has
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fprintf (wadfile, "%s: %s", pt+1, listfilename);
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}
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else
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{
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// The correct header will be written once the wad is complete
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fwrite (&header, sizeof(header), 1, wadfile);
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}
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}
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continue;
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} // @
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// Everything up to the next whitespace is the lump name
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lumpname = pt;
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filename = NULL;
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while (*pt && !isspace(*pt)) pt++;
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// If there is more, skip whitespace and use the remainder of the line
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// as the file to insert into the lump. If no filename is given, then
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// a 0-length marker lump is inserted.
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if (*pt)
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{
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*pt = 0;
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filename = pt + 1;
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while (*filename && isspace(*filename)) filename++;
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if (*filename == 0) filename = NULL;
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}
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// must have output selected
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if (wadfile == NULL && zipfile == NULL)
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{
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fprintf (stderr, "Line %d: No wad specified before lumps.\n", lineno);
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return 1;
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}
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// if we're writing a makefile,
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if (makefile)
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{
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// and the lump has a filename,
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if (filename != NULL)
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{
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// add it as a dependency (with quotes, if needed)
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if (strchr (filename, ' '))
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{
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fprintf (wadfile, " \\\n\t\"%s\"", filename);
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}
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// ARGH! Stupid make. Too bad, but then these files can't be checked.
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// Still better than something that doesn't work at all though!
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else if (!strpbrk(filename, "[]^"))
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{
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fprintf (wadfile, " \\\n\t%s", filename);
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}
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}
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}
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else // not writing a makefile
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{
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if (zipfile == NULL) // must be a wadfile
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{
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// convert lumpname to uppercase
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for (i = 0; lumpname[i]; ++i)
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{
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lumpname[i] = toupper(lumpname[i]);
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}
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// put name into directory entry
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strncpy (directory[header.numlumps].name, lumpname, 8);
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// put filepos into directory entry
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directory[header.numlumps].filepos = ftell (wadfile);
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// if filename given,
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if (filename != NULL)
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{
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// append data to the wadfile
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ret |= appendlump (wadfile, filename);
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}
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// put size into directory entry (how many bytes were just written)
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directory[header.numlumps].size = ftell (wadfile) - directory[header.numlumps].filepos;
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}
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else if (filename != NULL) // writing a zip, and filename is non-null
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{
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// convert lumpname to lowercase
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for (i = 0; lumpname[i]; ++i)
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{
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lumpname[i] = tolower(lumpname[i]);
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}
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// add lump data to the zip
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ret |= appendtozip(zipfile, lumpname, filename);
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}
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// count all lumps
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header.numlumps++;
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}
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} // end of line-by-line reading
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// the finishing touches:
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// - makefile: terminate the line, and write the action line
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// - unzipped wad: write the directory at the end,
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// and update the header with directory's position
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// - zipped wad: just close it
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// if we were writing a plain file,
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if (wadfile != NULL)
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{
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// if it's makefile,
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if (makefile)
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{
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// terminate the dependencies line,
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// and write the action command
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fprintf (wadfile, "\n\t%s %s\n", makecmd, listfilename);
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}
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else // otherwise, it's plain wad
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{
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// the directory of lumps will be written at the end,
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// starting at the current position - put it into the header
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header.infotableofs = ftell (wadfile);
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// swap endianness, if needed
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#ifdef WORDS_BIGENDIAN
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#define SWAP(x) ((((x)>>24)|(((x)>>8) & 0xff00)|(((x)<<8) & 0xff0000)|((x)<<24)))
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for (i = 0; i < header.numlumps; ++i)
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{
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directory[i].filepos = SWAP(directory[i].filepos);
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directory[i].size = SWAP(directory[i].size);
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}
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#endif
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// write the whole directory of lumps
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if (fwrite (directory, sizeof(directory[0]), header.numlumps, wadfile) != header.numlumps)
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{
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// failed to write the whole directory
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fprintf (stderr, "Error writing to wad: %s\n", strerror(errno));
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ret |= 1;
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}
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else // success - seek to 0 and rewrite the header, now with offset
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{
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// endianness
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#ifdef WORDS_BIGENDIAN
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SWAP(header.infotableofs);
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SWAP(header.numlumps);
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#endif
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// seek to 0
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fseek (wadfile, 0, SEEK_SET);
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// rewrite the header
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if (fwrite (&header, sizeof(header), 1, wadfile) != 1)
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{
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fprintf (stderr, "Error writing to wad: %s\n", strerror(errno));
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ret |= 1;
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}
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}
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} // plain wad
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fclose (wadfile);
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} // wadfile!=NULL - wad or makefile
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else if (zipfile != NULL)
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{
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// zip - just close it
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zipClose(zipfile, NULL);
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}
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return ret;
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}
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// If building with GCC and not MinGW, macro __cdecl to nothing.
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#if defined(__GNUC__) && !defined(__MINGW32__)
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#define __cdecl
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#endif
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int __cdecl main (int argc, char **argv)
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{
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const char *makecmd;
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FILE *listfile = NULL;
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char *listfilename = NULL;
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char *makefile = NULL;
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int ret;
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int i;
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for (i = 1; i < argc; ++i)
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{
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if (strcmp (argv[i], "-make") == 0)
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{
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if (i >= argc-1)
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{
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goto baduse;
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}
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makefile = argv[++i];
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}
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else if (listfile == NULL)
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{
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listfilename = argv[i];
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listfile = fopen (listfilename, "r");
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if (listfile == NULL)
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{
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fprintf (stderr, "Can't open %s: %s\n", listfilename, strerror(errno));
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return 1;
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}
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}
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else
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{
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fclose (listfile);
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goto baduse;
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}
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}
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if (makefile != NULL && listfile == NULL)
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{
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fprintf (stderr, "You must specify a listfile if you want a makefile\n");
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return 1;
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}
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// Hack for msys
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if ((makecmd = getenv("OSTYPE")) != NULL && strcmp (makecmd, "msys") == 0)
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{
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makecmd = "../tools/makewad/makewad.exe";
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}
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else
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{
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makecmd = argv[0];
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}
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ret = buildwad (listfile ? listfile : stdin, listfilename, makecmd, makefile);
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if (listfile != NULL)
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{
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fclose (listfile);
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}
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return ret;
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baduse:
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fprintf (stderr, "Usage: makewad [-make makefile] [listfile]\n");
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return 1;
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}
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