+/*
+ * useful common stuff, mostly error handling and debugging
+ */
+/*
+ * This is part of ypp-sc-tools, a set of third-party tools for assisting
+ * players of Yohoho Puzzle Pirates.
+ *
+ * Copyright (C) 2009 Ian Jackson <ijackson@chiark.greenend.org.uk>
+ *
+ * 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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ * Yohoho and Puzzle Pirates are probably trademarks of Three Rings and
+ * are used without permission. This program is not endorsed or
+ * sponsored by Three Rings.
+ */
#ifndef COMMON_H
#define COMMON_H
#define _GNU_SOURCE
+#include <locale.h>
#include <stdarg.h>
-
+#include <math.h>
+#include <stdio.h>
+#include <errno.h>
+#include <assert.h>
+#include <string.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <dirent.h>
+#include <pcre.h>
+#include <inttypes.h>
+
+#include <sys/wait.h>
#include <sys/types.h>
typedef struct {
int w,h;
+ struct RgbImage *rgb;
char d[];
} CanonImage;
Point br;
} Rect;
+#define RECT_W(r) ((r).br.x - (r).tl.x + 1)
+#define RECT_H(r) ((r).br.y - (r).tl.y + 1)
+
#define DEBUG_FLAG_LIST \
DF(findypp) \
DF(pages) \
DF(rect) \
+ DF(pixmap) \
+ DF(struct) \
DF(ocr) \
+ DF(rsync) \
+ DF(structcolon) \
DF(callout)
enum {
#define debug stderr
const char *get_vardir(void);
+const char *get_libdir(void);
#define FMT(f,a) __attribute__((format(printf,f,a)))
+#define SCANFMT(f,a) __attribute__((format(scanf,f,a)))
#define NORET __attribute__((noreturn))
#define DEFINE_VWRAPPERF(decls, funcf, otherattribs) \
void sysassert_fail(const char *file, int line, const char *what)
__attribute__((noreturn));
+void waitpid_check_exitstatus(pid_t pid, const char *what);
+
void *mmalloc(size_t sz);
void *mrealloc(void *p, size_t sz);
+#define dbassert(x) ((x) ? (void)0 : dbfile_assertfail(__FILE__,__LINE__,#x))
+void dbfile_assertfail(const char *file, int line, const char *m) NORET;
+
+FILE *dbfile;
+void dbfile_getsline(char *lbuf, size_t lbufsz, const char *file, int line);
+int dbfile_open(const char *tpath); /* 0: ENOENT; 1: worked */
+void dbfile_close(void); /* idempotent */
+
+int dbfile_scanf(const char *fmt, ...) SCANFMT(1,2);
+int dbfile_vscanf(const char *fmt, va_list al) SCANFMT(1,0);
+
+
+char *masprintf(const char *fmt, ...) FMT(1,2);
+
+#define EXECLP_HELPER(helper, ...) do{ \
+ char *helper_path= masprintf("%s/%s",get_libdir(),helper); \
+ execlp(helper_path,helper, __VA_ARGS__); \
+ sysassert(errno==ENOENT); \
+ fatal("Failed to find helper program %s.\n" \
+ "(Are you in the correct directory?)", helper); \
+ }while(0)
+
+
+#define ARRAYSIZE(a) ((sizeof((a)) / sizeof((a)[0])))
+#define FILLZERO(obj) (memset(&(obj),0,sizeof((obj))))
+
+#define STRING2(x) #x
+#define STRING(x) STRING2(x)
+
#endif /*COMMON_H*/