diff options
Diffstat (limited to 'src/strife/deh_io.c')
| -rw-r--r-- | src/strife/deh_io.c | 211 |
1 files changed, 0 insertions, 211 deletions
diff --git a/src/strife/deh_io.c b/src/strife/deh_io.c deleted file mode 100644 index 3386a6fa..00000000 --- a/src/strife/deh_io.c +++ /dev/null @@ -1,211 +0,0 @@ -// Emacs style mode select -*- C++ -*- -//----------------------------------------------------------------------------- -// -// Copyright(C) 2005 Simon Howard -// -// This program is free software; you can redistribute it and/or -// modify it under the terms of the GNU General Public License -// as published by the Free Software Foundation; either version 2 -// of the License, or (at your option) any later version. -// -// This program 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 General Public License for more details. -// -// You should have received a copy of the GNU General Public License -// along with this program; if not, write to the Free Software -// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA -// 02111-1307, USA. -// -//----------------------------------------------------------------------------- -// -// Dehacked I/O code (does all reads from dehacked files) -// -//----------------------------------------------------------------------------- - -#include <stdarg.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -#include "i_system.h" -#include "z_zone.h" - -#include "deh_defs.h" -#include "deh_io.h" - -struct deh_context_s -{ - FILE *stream; - char *filename; - int linenum; - boolean last_was_newline; - char *readbuffer; - int readbuffer_size; -}; - -// Open a dehacked file for reading -// Returns NULL if open failed - -deh_context_t *DEH_OpenFile(char *filename) -{ - FILE *fstream; - deh_context_t *context; - - fstream = fopen(filename, "r"); - - if (fstream == NULL) - return NULL; - - context = Z_Malloc(sizeof(*context), PU_STATIC, NULL); - context->stream = fstream; - - // Initial read buffer size of 128 bytes - - context->readbuffer_size = 128; - context->readbuffer = Z_Malloc(context->readbuffer_size, PU_STATIC, NULL); - context->filename = filename; - context->linenum = 0; - context->last_was_newline = true; - - return context; -} - -// Close dehacked file - -void DEH_CloseFile(deh_context_t *context) -{ - fclose(context->stream); - Z_Free(context->readbuffer); - Z_Free(context); -} - -// Reads a single character from a dehacked file - -int DEH_GetChar(deh_context_t *context) -{ - int result; - - // Read characters, but ignore carriage returns - // Essentially this is a DOS->Unix conversion - - do - { - if (feof(context->stream)) - { - // end of file - - result = -1; - } - else - { - result = fgetc(context->stream); - } - - } while (result == '\r'); - - // Track the current line number - - if (context->last_was_newline) - { - ++context->linenum; - } - - context->last_was_newline = result == '\n'; - - return result; -} - -// Increase the read buffer size - -static void IncreaseReadBuffer(deh_context_t *context) -{ - char *newbuffer; - int newbuffer_size; - - newbuffer_size = context->readbuffer_size * 2; - newbuffer = Z_Malloc(newbuffer_size, PU_STATIC, NULL); - - memcpy(newbuffer, context->readbuffer, context->readbuffer_size); - - Z_Free(context->readbuffer); - - context->readbuffer = newbuffer; - context->readbuffer_size = newbuffer_size; -} - -// Read a whole line - -char *DEH_ReadLine(deh_context_t *context) -{ - int c; - int pos; - - for (pos = 0;;) - { - c = DEH_GetChar(context); - - if (c < 0) - { - // end of file - - return NULL; - } - - // cope with lines of any length: increase the buffer size - - if (pos >= context->readbuffer_size) - { - IncreaseReadBuffer(context); - } - - if (c == '\n') - { - // end of line: a full line has been read - - context->readbuffer[pos] = '\0'; - break; - } - else if (c != '\0') - { - // normal character; don't allow NUL characters to be - // added. - - context->readbuffer[pos] = (char) c; - ++pos; - } - } - - return context->readbuffer; -} - -void DEH_Warning(deh_context_t *context, char *msg, ...) -{ - va_list args; - - va_start(args, msg); - - fprintf(stderr, "%s:%i: warning: ", context->filename, context->linenum); - vfprintf(stderr, msg, args); - fprintf(stderr, "\n"); - - va_end(args); -} - -void DEH_Error(deh_context_t *context, char *msg, ...) -{ - va_list args; - - va_start(args, msg); - - fprintf(stderr, "%s:%i: ", context->filename, context->linenum); - vfprintf(stderr, msg, args); - fprintf(stderr, "\n"); - - va_end(args); - - I_Error("Error parsing dehacked file"); -} - - |