X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~yarrgweb/git?p=ypp-sc-tools.main.git;a=blobdiff_plain;f=pctb%2Fcommon.h;h=3fa8a81d985621ad15277a461b7a5fb313b10398;hp=8b66cf5e94b416a1a3ce4c1aba9bb1c9cbe135da;hb=e9534386e9b4399195d37e5437c18a54197f0b9f;hpb=da2f43597c757ea14a9226e115e1dbe758321251

diff --git a/pctb/common.h b/pctb/common.h
index 8b66cf5..3fa8a81 100644
--- a/pctb/common.h
+++ b/pctb/common.h
@@ -30,8 +30,18 @@
 
 #define _GNU_SOURCE
 
+#include <locale.h>
 #include <stdarg.h>
-
+#include <stdio.h>
+#include <errno.h>
+#include <assert.h>
+#include <string.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <inttypes.h>
+
+#include <sys/wait.h>
 #include <sys/types.h>
 
 typedef struct {
@@ -51,14 +61,19 @@ typedef struct { /* both inclusive */
   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(callout)
 
 enum {
@@ -80,8 +95,10 @@ void debug_flush(void);
 #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)			\
@@ -118,4 +135,26 @@ 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)
+
 #endif /*COMMON_H*/