X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~yarrgweb/git?p=ypp-sc-tools.db-live.git;a=blobdiff_plain;f=pctb%2Fcommon.h;h=3fa8a81d985621ad15277a461b7a5fb313b10398;hp=47f898f06fecd31519d3bc0f717e0e024c1e41cf;hb=6a3c0962283d32bc6e5f6c47c929baf37ddc642f;hpb=cde017ed6b76840ce2ae1aa5fc740a6e06352f92

diff --git a/pctb/common.h b/pctb/common.h
index 47f898f..3fa8a81 100644
--- a/pctb/common.h
+++ b/pctb/common.h
@@ -30,6 +30,7 @@
 
 #define _GNU_SOURCE
 
+#include <locale.h>
 #include <stdarg.h>
 #include <stdio.h>
 #include <errno.h>
@@ -72,6 +73,7 @@ typedef struct { /* both inclusive */
    DF(pixmap)					\
    DF(struct)					\
    DF(ocr)					\
+   DF(rsync)					\
    DF(callout)
 
 enum {
@@ -93,6 +95,7 @@ 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)))
@@ -144,4 +147,14 @@ 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*/