/* * Empire - A multi-player, client/server Internet based war game. * Copyright (C) 1986-2008, Dave Pare, Jeff Bailey, Thomas Ruschak, * Ken Stevens, Steve McClure * * 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 * * --- * * See files README, COPYING and CREDITS in the root of the source * tree for related information and legal notices. It is expected * that future projects/authors will amend these files as needed. * * --- * * xundump.c: Load back xdump output * * Known contributors to this file: * Ron Koenderink, 2005 * Markus Armbruster, 2005-2007 */ /* * See doc/xdump! And keep it up-to-date. * * Parsing of machine-readable xdump is not precise: it recognizes * comments, accepts whitespace in place of single space, and accepts * the full human-readable field syntax instead of its machine- * readable subset. * * FIXME: * - Normalize terminology: table/rows/columns or file/records/fields * - Loading tables with NSC_STRING elements more than once leaks memory * TODO: * - Check each partial table supplies the same rows * - Check EFF_CFG tables are dense * - Symbolic array indexes * TODO, but hardly worth the effort: * - Permit reordering of array elements */ #include #include #include #include #include #include #include #include "file.h" #include "match.h" #include "nsc.h" #include "optlist.h" #include "xdump.h" static char *fname; /* Name of file being read */ static int lineno; /* Current line number */ static int human; /* Reading human-readable syntax? */ static int ellipsis; /* Header ended with ...? */ static int is_partial; /* Is input split into parts? */ static int cur_type; /* Current table's file type */ static void *cur_obj; /* The object being read into */ static int cur_id; /* and its index in the table */ static int cur_obj_is_blank; static int nflds; /* #fields in input records */ static struct castr **fldca; /* Map field number to selector */ static int *fldidx; /* Map field number to index */ static int *caflds; /* Map selector number to #fields seen */ static int *cafldspp; /* ditto, in previous parts */ static int gripe(char *, ...) ATTRIBUTE((format (printf, 1, 2))); static int deffld(int, char *, int); static int defellipsis(void); static int chkflds(void); static int setnum(int, double); static int setstr(int, char *); static int xunsymbol(char *, struct castr *, int); static int setsym(int, char *); static int mtsymset(int, long *); static int add2symset(int, long *, char *); static int xubody(FILE *); static int xutail(FILE *, struct castr *); /* * Gripe about the current line to stderr, return -1. */ static int gripe(char *fmt, ...) { va_list ap; fprintf(stderr, "%s:%d: ", fname, lineno); va_start(ap, fmt); vfprintf(stderr, fmt, ap); va_end(ap); putc('\n', stderr); return -1; } /* * Read and ignore field separators from FP. * Return first character that is not a field separator. */ static int skipfs(FILE *fp) { int ch; do { ch = getc(fp); } while (ch == ' ' || ch == '\t'); if (ch == '#') { do { ch = getc(fp); } while (ch != EOF && ch != '\n'); } return ch; } /* * Decode escape sequences in BUF. * Return BUF on success, null pointer on failure. */ static char * xuesc(char *buf) { char *src, *dst; int octal_chr, n; dst = buf; src = buf; while (*src) { if (*src == '\\') { if (sscanf(++src, "%3o%n", &octal_chr, &n) != 1 || n != 3) return NULL; *dst++ = (char)octal_chr; src += 3; } else *dst++ = *src++; } *dst = '\0'; return buf; } /* * Read an identifier from FP into BUF. * BUF must have space for 1024 characters. * Return number of characters read on success, -1 on failure. */ static int getid(FILE *fp, char *buf) { int n; if (fscanf(fp, "%1023[^\"#()<>= \t\n]%n", buf, &n) != 1 || !isalpha(buf[0])) return -1; xuesc(buf); return n; } /* * Try to read a field name from FP. * I is the field number, counting from zero. * If a name is read, set fldca[I] and fldidx[I] for it, and update * caflds[]. * Return 1 if a name or ... was read, 0 on end of line, -1 on error. */ static int xufldname(FILE *fp, int i) { int ch, idx; char buf[1024]; ch = skipfs(fp); switch (ch) { case EOF: return gripe("Unexpected EOF"); case '\n': if (chkflds() < 0) return -1; lineno++; return 0; case '.': if (getc(fp) != '.' || getc(fp) != '.') return gripe("Junk in header field %d", i + 1); if (defellipsis() < 0) return -1; ch = skipfs(fp); if (ch != EOF && ch != '\n') return gripe("Junk after ..."); ungetc(ch, fp); return 1; default: ungetc(ch, fp); if (getid(fp, buf) < 0) return gripe("Junk in header field %d", i + 1); ch = getc(fp); if (ch != '(') { ungetc(ch, fp); return deffld(i, buf, -1); } ch = getc(fp); ungetc(ch, fp); if (isdigit(ch) || ch == '-' || ch == '+') { if (fscanf(fp, "%d", &idx) != 1) return gripe("Malformed number in index of header field %d", i + 1); if (idx < 0) return gripe("Index must not be negative in header field %d", i + 1); } else { if (getid(fp, buf) < 0) return gripe("Malformed index in header field %d", i + 1); return gripe("Symbolic index in header field %d not yet implemented", i + 1); } ch = getc(fp); if (ch != ')') return gripe("Malformed index in header field %d", i + 1); return deffld(i, buf, idx); } } /* * Try to read a field value from FP. * I is the field number, counting from zero. * Return 1 if a value was read, 0 on end of line, -1 on error. */ static int xufld(FILE *fp, int i) { int ch; char buf[1024]; double dbl; long set; ch = skipfs(fp); switch (ch) { case EOF: return gripe("Unexpected EOF"); case '\n': CANT_HAPPEN(i > nflds); if (i < nflds) { if (fldca[i]->ca_type != NSC_STRINGY && fldca[i]->ca_len) return gripe("Field %s(%d) missing", fldca[i]->ca_name, fldidx[i]); return gripe("Field %s missing", fldca[i]->ca_name); } lineno++; return 0; case '+': case '-': case '.': case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': ungetc(ch, fp); if (fscanf(fp, "%lg", &dbl) != 1) return gripe("Malformed number in field %d", i + 1); return setnum(i, dbl); case '"': ch = getc(fp); if (ch == '"') buf[0] = 0; else { ungetc(ch, fp); if (fscanf(fp, "%1023[^\"\n]", buf) != 1 || getc(fp) != '"') return gripe("Malformed string in field %d", i + 1); if (!xuesc(buf)) return gripe("Invalid escape sequence in field %d", i + 1); } return setstr(i, buf); case '(': if (mtsymset(i, &set) < 0) return -1; for (;;) { ch = skipfs(fp); if (ch == EOF || ch == '\n') return gripe("Unmatched '(' in field %d", i + 1); if (ch == ')') break; ungetc(ch, fp); if (getid(fp, buf) < 0) return gripe("Junk in field %d", i + 1); if (add2symset(i, &set, buf) < 0) return -1; } return setnum(i, set); default: ungetc(ch, fp); if (getid(fp, buf) < 0) return gripe("Junk in field %d", i + 1); if (!strcmp(buf, "nil")) return setstr(i, NULL); else return setsym(i, buf); } } /* * Read fields from FP. * Use PARSE() to read each field. * Return number of fields read on success, -1 on error. */ static int xuflds(FILE *fp, int (*parse)(FILE *, int)) { int i, ch, res; for (i = 0; ; i++) { res = parse(fp, i); if (res < 0) return -1; if (res == 0) return i; ch = getc(fp); if (ch == '\n') ungetc(ch, fp); else if (ch != ' ' && ch != '\t') return gripe("Bad field separator after field %d", i + 1); } } /* * Define the FLDNO-th field. * If IDX is negative, define as selector NAME, else as NAME(IDX). * Set fldca[FLDNO] and fldidx[FLDNO] accordingly. * Update caflds[]. * Return 1 on success, -1 on error. */ static int deffld(int fldno, char *name, int idx) { struct castr *ca = ef_cadef(cur_type); int res; res = stmtch(name, ca, offsetof(struct castr, ca_name), sizeof(struct castr)); if (res < 0) return gripe("Header %s of field %d is %s", name, fldno + 1, res == M_NOTUNIQUE ? "ambiguous" : "unknown"); if (ca[res].ca_type != NSC_STRINGY && ca[res].ca_len != 0) { if (idx < 0) return gripe("Header %s requires an index in field %d", ca[res].ca_name, fldno + 1); if (idx >= ca[res].ca_len) return gripe("Header %s(%d) index out of bounds in field %d", ca[res].ca_name, idx, fldno + 1); if (idx < caflds[res]) return gripe("Duplicate header %s(%d) in field %d", ca[res].ca_name, idx, fldno + 1); if (idx > caflds[res]) return gripe("Expected header %s(%d) in field %d", ca[res].ca_name, caflds[res], fldno + 1); } else { if (idx >= 0) return gripe("Header %s doesn't take an index in field %d", ca[res].ca_name, fldno + 1); idx = 0; if (caflds[res]) return gripe("Duplicate header %s in field %d", ca[res].ca_name, fldno + 1); } fldca[fldno] = &ca[res]; fldidx[fldno] = idx; caflds[res]++; return 1; } /* * Record that header ends with ... * Set ellipsis and is_partial. * Return 0 on success, -1 on error. */ static int defellipsis(void) { struct castr *ca = ef_cadef(cur_type); if (ca[0].ca_table != cur_type) return gripe("Table %s doesn't support ...", ef_nameof(cur_type)); ellipsis = is_partial = 1; return 0; } /* * Check fields in xdump are sane. * Return 0 on success, -1 on error. */ static int chkflds(void) { struct castr *ca = ef_cadef(cur_type); int i, len, cafldsmax, res = 0; if (is_partial) { /* Need a join field, use 0-th selector */ if (!caflds[0]) return gripe("Header field %s required with ...", ca[0].ca_name); } if (ellipsis) return 0; for (i = 0; ca[i].ca_name; i++) { cafldsmax = MAX(caflds[i], cafldspp[i]); if (ca[i].ca_flags & NSC_EXTRA) continue; len = ca[i].ca_type != NSC_STRINGY ? ca[i].ca_len : 0; if (!len && !cafldsmax) res = gripe("Header field %s missing", ca[i].ca_name); else if (len && cafldsmax == len - 1) res = gripe("Header field %s(%d) missing", ca[i].ca_name, len - 1); else if (len && cafldsmax < len - 1) res = gripe("Header fields %s(%d) ... %s(%d) missing", ca[i].ca_name, cafldsmax, ca[i].ca_name, len - 1); } return res; } /* * Get selector for field FLDNO. * Assign the field's selector index to *IDX, unless it is null. * Return the selector on success, null pointer on error. */ static struct castr * getfld(int fldno, int *idx) { if (fldno >= nflds) { gripe("Too many fields, expected only %d", nflds); return NULL; } if (CANT_HAPPEN(fldno < 0)) return NULL; if (idx) *idx = fldidx[fldno]; return fldca[fldno]; } /* * Is a new value for field FLDNO required to match the old one? */ static int fldval_must_match(int fldno) { struct castr *ca = ef_cadef(cur_type); int i = fldca[fldno] - ca; /* * Value must match if: * it's for a const selector, unless the object is still blank, or * it was already given in a previous part of a split table. */ return (!cur_obj_is_blank && (fldca[fldno]->ca_flags & NSC_CONST)) || fldidx[fldno] < cafldspp[i]; } /* * Get the current object. * Store it in cur_obj, and set cur_obj_is_blank accordingly. * Return cur_obj, which is null on error. */ static void * getobj(void) { struct empfile *ep = &empfile[cur_type]; int need_sentinel = !EF_IS_GAME_STATE(cur_type); if (!cur_obj) { cur_obj_is_blank = cur_id >= ep->fids - !!need_sentinel; if (cur_obj_is_blank) { if (ef_ensure_space(cur_type, cur_id + !!need_sentinel, 1)) cur_obj = ef_ptr(cur_type, cur_id); /* FIXME diagnose out of dynamic memory vs. static table full */ if (!cur_obj) gripe("Can't put ID %d into table %s, it holds only 0..%d.", cur_id, ep->name, ep->fids - !!need_sentinel - 1); } else cur_obj = ef_ptr(cur_type, cur_id); } return cur_obj; } /* * Set value of field FLDNO in current object to DBL. * Return 1 on success, -1 on error. */ static int setnum(int fldno, double dbl) { struct castr *ca; int idx; char *memb_ptr; double old; ca = getfld(fldno, &idx); if (!ca) return -1; /* * If this is the record index, put it into cur_id. */ if (fldno == 0 && ca->ca_table == cur_type) cur_id = (int)dbl; memb_ptr = getobj(); if (!memb_ptr) return -1; memb_ptr += ca->ca_off; /* FIXME check assignment preserves value */ switch (ca->ca_type) { case NSC_CHAR: old = ((signed char *)memb_ptr)[idx]; ((signed char *)memb_ptr)[idx] = (signed char)dbl; break; case NSC_UCHAR: case NSC_HIDDEN: old = ((unsigned char *)memb_ptr)[idx]; ((unsigned char *)memb_ptr)[idx] = (unsigned char)dbl; break; case NSC_SHORT: old = ((short *)memb_ptr)[idx]; ((short *)memb_ptr)[idx] = (short)dbl; break; case NSC_USHORT: old = ((unsigned short *)memb_ptr)[idx]; ((unsigned short *)memb_ptr)[idx] = (unsigned short)dbl; break; case NSC_INT: old = ((int *)memb_ptr)[idx]; ((int *)memb_ptr)[idx] = (int)dbl; break; case NSC_LONG: old = ((long *)memb_ptr)[idx]; ((long *)memb_ptr)[idx] = (long)dbl; break; case NSC_XCOORD: old = ((coord *)memb_ptr)[idx]; /* FIXME use variant of xrel() that takes orig instead of nation */ if (old >= WORLD_X / 2) old -= WORLD_X; ((coord *)memb_ptr)[idx] = XNORM((coord)dbl); break; case NSC_YCOORD: old = ((coord *)memb_ptr)[idx]; /* FIXME use variant of yrel() that takes orig instead of nation */ if (old >= WORLD_Y / 2) old -= WORLD_Y; ((coord *)memb_ptr)[idx] = YNORM((coord)dbl); break; case NSC_FLOAT: old = ((float *)memb_ptr)[idx]; ((float *)memb_ptr)[idx] = (float)dbl; break; case NSC_DOUBLE: old = ((double *)memb_ptr)[idx]; ((double *)memb_ptr)[idx] = dbl; break; case NSC_TIME: old = ((time_t *)memb_ptr)[idx]; ((time_t *)memb_ptr)[idx] = (time_t)dbl; break; default: return gripe("Field %d doesn't take numbers", fldno + 1); } if (fldval_must_match(fldno) && old != dbl) return gripe("Value for field %d must be %g", fldno + 1, old); return 1; } /* * Set value of field FLDNO in current object to STR. * Return 1 on success, -1 on error. */ static int setstr(int fldno, char *str) { struct castr *ca; int must_match, idx; size_t len; char *memb_ptr, *old; ca = getfld(fldno, &idx); if (!ca) return -1; memb_ptr = getobj(); if (!memb_ptr) return -1; memb_ptr += ca->ca_off; must_match = fldval_must_match(fldno); switch (ca->ca_type) { case NSC_STRING: old = ((char **)memb_ptr)[idx]; if (!must_match) ((char **)memb_ptr)[idx] = str ? strdup(str) : NULL; len = 65535; /* really SIZE_MAX, but that's C99 */ break; case NSC_STRINGY: if (CANT_HAPPEN(idx)) return -1; if (!str) return gripe("Field %d doesn't take nil", fldno + 1); len = ca->ca_len; if (strlen(str) > len) return gripe("Field %d takes at most %d characters", fldno + 1, (int)len); old = memb_ptr; if (!must_match) strncpy(memb_ptr, str, len); break; default: return gripe("Field %d doesn't take strings", fldno + 1); } if (must_match) { if (old && (!str || strncmp(old, str, len))) return gripe("Value for field %d must be \"%.*s\"", fldno + 1, (int)len, old); if (!old && str) return gripe("Value for field %d must be nil", fldno + 1); } return 1; } /* * Resolve symbol name ID in table referred to by CA. * Use field number N for error messages. * Return index in referred table on success, -1 on failure. */ static int xunsymbol(char *id, struct castr *ca, int n) { int i = ef_elt_byname(ca->ca_table, id); if (i < 0) return gripe("%s %s symbol `%s' in field %d", i == M_NOTUNIQUE ? "Ambiguous" : "Unknown", ca->ca_name, id, n + 1); return i; } /* * Map symbol index to symbol value. * CA is the table, and I is the index in it. */ static int symval(struct castr *ca, int i) { int type = ca->ca_table; if (ef_check(type) < 0) return -1; if (ef_cadef(type) == symbol_ca) /* symbol table, value is in the table */ return ((struct symbol *)ef_ptr(type, i))->value; /* value is the table index */ return i; } /* * Set value of field FLDNO in current object to value of symbol SYM. * Return 1 on success, -1 on error. */ static int setsym(int fldno, char *sym) { struct castr *ca; int i; ca = getfld(fldno, NULL); if (!ca) return -1; if (ca->ca_table == EF_BAD || (ca->ca_flags & NSC_BITS)) return gripe("Field %d doesn't take symbols", fldno + 1); i = xunsymbol(sym, ca, fldno); if (i < 0) return -1; return setnum(fldno, symval(ca, i)); } /* * Create an empty symbol set for field FLDNO in *SET. * Return 1 on success, -1 on error. */ static int mtsymset(int fldno, long *set) { struct castr *ca; ca = getfld(fldno, NULL); if (!ca) return -1; if (ca->ca_table == EF_BAD || ef_cadef(ca->ca_table) != symbol_ca || !(ca->ca_flags & NSC_BITS)) return gripe("Field %d doesn't take symbol sets", fldno + 1); *set = 0; return 0; } /* * Add a symbol to a symbol set for field FLDNO in *SET. * SYM is the name of the symbol to add. * Return 1 on success, -1 on error. */ static int add2symset(int fldno, long *set, char *sym) { struct castr *ca; int i; ca = getfld(fldno, NULL); if (!ca) return -1; i = xunsymbol(sym, ca, fldno); if (i < 0) return -1; *set |= symval(ca, i); return 0; } /* * Read an xdump table header line from FP. * Expect header for EXPECTED_TABLE, unless it is EF_BAD. * Recognize header for machine- and human-readable syntax, and set * human accordingly. * Return table type on success, -2 on EOF before header, -1 on failure. */ static int xuheader(FILE *fp, int expected_table) { char name[64]; int res, ch; int type; while ((ch = skipfs(fp)) == '\n') lineno++; if (ch == EOF && expected_table == EF_BAD) return -2; ungetc(ch, fp); human = ch == 'c'; res = -1; if ((human ? fscanf(fp, "config%*[ \t]%63[^ \t#\n]%n", name, &res) != 1 : fscanf(fp, "XDUMP%*[ \t]%63[^ \t#\n]%*[ \t]%*[^ \t#\n]%n", name, &res) != 1) || res < 0) return gripe("Expected xdump header"); type = ef_byname(name); if (type < 0) return gripe("Unknown table `%s'", name); if (expected_table != EF_BAD && expected_table != type) return gripe("Expected table `%s', not `%s'", ef_nameof(expected_table), name); if (!ef_cadef(type) || !(ef_flags(type) & EFF_MEM)) { CANT_HAPPEN(expected_table != EF_BAD); return gripe("Table `%s' is not permitted here", name); } if (skipfs(fp) != '\n') return gripe("Junk after xdump header"); lineno++; return type; } /* * Find fields in this xdump. * If reading human-readable syntax, read a field header line from FP. * Else take fields from the table's selectors in CA[]. * Set ellipsis, nflds, fldca[], fldidx[] and caflds[] accordingly. * Return 0 on success, -1 on failure. */ static int xufldhdr(FILE *fp, struct castr ca[]) { struct castr **fca; int *fidx; int ch, i, j, n; for (i = 0; ca[i].ca_name; i++) caflds[i] = 0; ellipsis = 0; if (human) { while ((ch = skipfs(fp)) == '\n') lineno++; ungetc(ch, fp); nflds = xuflds(fp, xufldname); if (nflds < 0) return -1; nflds -= ellipsis != 0; } else { fca = fldca; fidx = fldidx; for (i = 0; ca[i].ca_name; i++) { if ((ca[i].ca_flags & NSC_EXTRA)) continue; n = ca[i].ca_type != NSC_STRINGY ? ca[i].ca_len : 0; j = 0; do { *fca++ = &ca[i]; *fidx++ = j; } while (++j < n); } nflds = fidx - fldidx; } return 0; } /* * Read xdump footer from FP. * CA[] contains the table's selectors. * The body had RECS records. * Update cafldspp[] from caflds[]. * Return 0 on success, -1 on failure. */ static int xufooter(FILE *fp, struct castr ca[], int recs) { int res, n, i; res = -1; if (human) { if (fscanf(fp, "config%n", &res) != 0 || res < 0) return gripe("Malformed table footer"); } else { if (fscanf(fp, "%d", &n) != 1) return gripe("Malformed table footer"); if (recs != n) return gripe("Read %d rows, which doesn't match footer " "%d rows", recs, n); } if (skipfs(fp) != '\n') return gripe("Junk after table footer"); lineno++; for (i = 0; ca[i].ca_name; i++) { if (cafldspp[i] < caflds[i]) cafldspp[i] = caflds[i]; } return 0; } /* * Read an xdump table from FP. * Both machine- and human-readable xdump syntax are recognized. * Expect table EXPECTED_TABLE, unless it is EF_BAD. * Report errors to stderr. * Messages assume FP starts in the file FILE at line *PLNO. * Update *PLNO to reflect lines read from FP. * Return table type on success, -2 on EOF before header, -1 on failure. */ int xundump(FILE *fp, char *file, int *plno, int expected_table) { struct castr *ca; int type, nca, nf, i, ch; fname = file; lineno = *plno; if ((type = xuheader(fp, expected_table)) < 0) return type; ca = ef_cadef(type); if (CANT_HAPPEN(!ca)) return -1; nca = nf = 0; for (i = 0; ca[i].ca_name; i++) { nca++; if (!(ca[i].ca_flags & NSC_EXTRA)) nf += MAX(1, ca[i].ca_type != NSC_STRINGY ? ca[i].ca_len : 0); } fldca = malloc(nf * sizeof(*fldca)); fldidx = malloc(nf * sizeof(*fldidx)); caflds = malloc(nca * sizeof(*caflds)); cafldspp = calloc(nca, sizeof(*cafldspp)); cur_type = type; if (xutail(fp, ca) < 0) type = EF_BAD; free(cafldspp); free(caflds); free(fldidx); free(fldca); /* Skip empty lines so that callers can easily check for EOF */ while ((ch = skipfs(fp)) == '\n') lineno++; ungetc(ch, fp); *plno = lineno; return type; } /* * Read the remainder of an xdump after the table header line from FP. * CA[] contains the table's selectors. * Return 0 on success, -1 on failure. */ static int xutail(FILE *fp, struct castr *ca) { int recs; is_partial = 0; for (;;) { if (xufldhdr(fp, ca) < 0) return -1; if ((recs = xubody(fp)) < 0) return -1; if (xufooter(fp, ca, recs) < 0) return -1; if (!ellipsis) return 0; if (xuheader(fp, cur_type) < 0) return -1; } } /* * Read the body of an xdump table from FP. * Return number of rows read on success, -1 on failure. */ static int xubody(FILE *fp) { struct empfile *ep = &empfile[cur_type]; int need_sentinel = !EF_IS_GAME_STATE(cur_type); int old_maxid = ep->fids; int i, maxid, ch; if (old_maxid == 0 && need_sentinel) ef_ensure_space(cur_type, 0, 1); maxid = 0; for (i = 0;; ++i) { while ((ch = skipfs(fp)) == '\n') lineno++; if (ch == '/') break; ungetc(ch, fp); cur_obj = NULL; cur_id = i; if (xuflds(fp, xufld) < 0) return -1; maxid = MAX(maxid, cur_id + 1); } if (maxid >= old_maxid && need_sentinel) { /* appended a sentinel, strip it off */ ep->fids--; ep->cids--; } if (CANT_HAPPEN(maxid > ep->fids)) maxid = ep->fids; if (maxid < ep->fids) { if (EF_IS_GAME_STATE(cur_type) && maxid != ep->csize) /* TODO truncate file */ gripe("Warning: should resize table %s from %d to %d, not implemented", ef_nameof(cur_type), ep->csize, maxid); else if (cur_type >= EF_SHIP_CHR && cur_type <= EF_NUKE_CHR) ep->cids = ep->fids = maxid; else return gripe("Table %s requires %d rows, got %d", ef_nameof(cur_type), ep->fids, maxid); } return i; }