Add some inline functions + utility function

Set some function inlune and implement an utility function
for file searching functions.

src/include/config.h.in

@@ -1,5 +1,7 @@
 /* src/include/config.h.in.  Generated from configure.ac by autoheader.  */
 
+#define inline __inline__
+
 /* Define to 1 if you have the <dlfcn.h> header file. */
 #undef HAVE_DLFCN_H
 

src/include/ttail_search_files.h

@@ -78,7 +78,7 @@ int _ttail_file_reopen(ttail_t*, size_t);
  *@param struct tm[2] will be set to min & max
  *@return 0 on success 1 if no date found or no fp -1 if error
  */
-int _ttail_file_minmax(ttail_t*, size_t, struct tm[2]);
+inline int _ttail_file_minmax(ttail_t*, size_t, struct tm[2]);
 
 /**@brief Search next line
  *
@@ -86,7 +86,7 @@ int _ttail_file_minmax(ttail_t*, size_t, struct tm[2]);
  *@param FILE* f 
  *@return -1 on error 0 on EOF else return the next line position
  */
-long _ttail_file_next_line(FILE*);
+inline long _ttail_file_next_line(FILE*);
 
 /**@brief Search line start
  *
@@ -94,7 +94,16 @@ long _ttail_file_next_line(FILE*);
  *@param FILE* f 
  *@return -1 on error else return the next line position
  */
-long _ttail_file_start_line(FILE*);
+inline long _ttail_file_start_line(FILE*);
+
+/**@brief Search last line with a date < tm from EOF
+ *@param ttail ttail_t*
+ *@param id size_t
+ *@param tm const struct tm*
+ *@return -1 on error else the offset of the line first chr
+ *@todo checks
+ */
+inline off_t _ttail_from_search_from_end(ttail_t*, size_t, const struct tm*);
 
 /**@brief Free the ttail_search_file_t session
  *@param ttail_t* ttail

src/ttail_search_files.c

@@ -110,36 +110,7 @@ int _ttail_search_closest_files_set_fsizes(ttail_t* t)
 	return 0;
 }
 
-int _ttail_search_file_sorted(ttail_t* t)
-{
-	/* files start & stop log tm, file start id = i*2 file stop = i*2+1 */
-	struct tm *ftm;
-	size_t i;
-
-	ftm = malloc(sizeof(struct tm)*t->logfile_sz*2);
-	if(!ftm)
-	{
-		perror("Unable to allocate memory");
-		return -3;
-	}
-	for(i=0; i<t->logfile_sz; i++)
-	{
-		_ttail_file_minmax(t, 0, ftm+(i*2));
-		if(i)
-		{
-			if(ttail_tm_cmp(ftm+((i-1)*2)+1, ftm+i*2) > 0)
-			{
-				/* not sorted */
-				free(ftm);
-				return -1;
-			}
-		}
-	}
-	free(ftm);
-	return 0;
-}
-
-int _ttail_file_minmax(ttail_t* t, size_t id, struct tm tm[2])
+inline int _ttail_file_minmax(ttail_t* t, size_t id, struct tm tm[2])
 {
 	FILE *fp;
 	long cur;
@@ -212,7 +183,7 @@ int _ttail_file_reopen(ttail_t* t, size_t id)
 	return t->logfile[id]?0:-1;
 }
 
-long _ttail_file_next_line(FILE* f)
+inline long _ttail_file_next_line(FILE* f)
 {
 	ssize_t s;
 	size_t r;
@@ -253,7 +224,7 @@ long _ttail_file_next_line(FILE* f)
 	return -1;
 }
 
-long _ttail_file_start_line(FILE* f)
+inline long _ttail_file_start_line(FILE* f)
 {
 	#define _STARTLN_BUFFLEN 32
 	long res; /* function result */
@@ -316,6 +287,56 @@ long _ttail_file_start_line(FILE* f)
 	return res;
 }
 
+inline off_t _ttail_from_search_from_end(ttail_t* t , size_t id , 
+	const struct tm* tm)
+{
+	FILE *f;
+	struct tm curtm;
+	off_t last;
+	int ret;
+
+	f = t->logfile[id];
+	if(fseek(f, -1, SEEK_END) < 0)
+	{
+		return -1;
+	}
+	while(1)
+	{
+		last = _ttail_file_start_line(f);
+		if(last < 0)
+		{
+			goto _ttail_from_search_from_end_err;
+		}
+		if(ttail_getline(t, id) < 0)
+		{
+			goto _ttail_from_search_from_end_err;
+		}
+		ret = ttail_logline2date(t, ttail_getline_buf(t), &curtm);
+		if(ret < 0)
+		{
+			goto _ttail_from_search_from_end_err;
+		}
+		if(!ret && !ttail_tm_cmp(&curtm, tm))
+		{
+			/* found */
+			break;
+		}
+		if(last == 0)
+		{
+			/* considere the begining of the file as the answer */
+			return 0;
+		}
+		if(fseek(f, last-1, SEEK_CUR))
+		{
+			goto _ttail_from_search_from_end_err;
+		}
+	}
+	return last;
+	
+	_ttail_from_search_from_end_err:
+	return -1;
+}
+
 void _ttail_search_file_free(ttail_t* t)
 {
 	if(!t->session)

tests/Makefile.am

@@ -10,5 +10,5 @@ ttail_init_check_CFLAGS = @CHECK_CFLAGS@
 ttail_init_check_LDADD =  $(top_builddir)/src/libttail.a @CHECK_LIBS@
 
 ttail_search_check_SOURCES = ttail_search_check.c
-ttail_search_check_CFLAGS = @CHECK_CFLAGS@ -D_NOSTATIC
+ttail_search_check_CFLAGS = @CHECK_CFLAGS@
 ttail_search_check_LDADD =  $(top_builddir)/src/libttail.a @CHECK_LIBS@