Code cleaning, updated tests + getline wrapper

The getline wrapper will allow to use getline without calling malloc
and free all the time

src/include/ttail_search_files.h

@@ -27,12 +27,26 @@ struct _ttail_search_file_s
 	off_t vsz;
 	/*<! Computed position */
 	off_t vpos;
+
+	char *buf;
+	size_t buf_sz;
 };
 
 #include "config.h"
 #include "ttail.h"
 #include "ttail_search.h"
 
+/**@brief Convenient wrapper for getline
+ *@param ttail_t* TTAIL
+ *@param size_t ID file id
+ *@return @ref getline()
+ */
+#define ttail_getline(TTAIL, ID) (getline(\
+	&(TTAIL->session->file.buf), &(TTAIL->session->file.buf_sz),\
+	TTAIL->logfile[ID]))
+/*<!Accessor to getline wrapper buffer */
+#define ttail_getline_buf(TTAIL) (TTAIL->session->file.buf)
+
 /**@brief @ref ttail_search_closest() implementation for logfiles
  *@param ttail_t*
  *@return 0 if ok -1 if fatal error 1 if not found
@@ -71,7 +85,7 @@ 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*, const off_t);
+long _ttail_file_start_line(FILE*);
 
 /**@brief Free the ttail_search_file_t session
  *@param ttail_t* ttail

src/ttail_search_files.c

@@ -66,6 +66,13 @@ int _ttail_search_closest_files_init(ttail_t* t)
 		goto _ttail_search_closest_files_err;
 	}
 
+	t->session->file.buf_sz = 128;
+	t->session->file.buf = malloc(t->session->file.buf_sz);
+	if(!t->session->file.buf)
+	{
+		goto _ttail_search_closest_files_err;
+	}
+
 	return 0;
 
 	_ttail_search_closest_files_err:
@@ -164,14 +171,12 @@ long _ttail_file_next_line(FILE* f)
 	return -1;
 }
 
-long _ttail_file_start_line(FILE* f, const off_t sz)
+long _ttail_file_start_line(FILE* f)
 {
 	#define _STARTLN_BUFFLEN 32
 	long res; /* function result */
 	long read_beg, cur, last, start;
-	char buff[_STARTLN_BUFFLEN];
-	char *tmp;
-	int read_sz, read_len;
+	int read_sz;
 	int c;
 
 	if((start = ftell(f)) < 0)
@@ -235,6 +240,10 @@ void _ttail_search_file_free(ttail_t* t)
 	{
 		return;
 	}
+	if(t->session->file.buf)
+	{
+		free(t->session->file.buf);
+	}
 	if(t->session->file.file_sz)
 	{
 		free(t->session->file.file_sz);

tests/ttail_search_check.c

@@ -124,20 +124,20 @@ START_TEST (test_file_line_start)
 {
 	long res;
 	fseek(fpl, -1, SEEK_END);
-	res = _ttail_file_start_line(fpl, samples_sz[0]);
+	res = _ttail_file_start_line(fpl);
 	printf("%ld\n", res);
 	ck_assert(res == 357);
 	fseek(fpl, -1, SEEK_CUR);
-	res = _ttail_file_start_line(fpl, samples_sz[0]);
+	res = _ttail_file_start_line(fpl);
 	printf("%ld\n", res);
 	ck_assert(res == 298);
-	res = _ttail_file_start_line(fpl, samples_sz[0]);
+	res = _ttail_file_start_line(fpl);
 	ck_assert(res == 221);
-	res = _ttail_file_start_line(fpl, samples_sz[0]);
+	res = _ttail_file_start_line(fpl);
 	ck_assert(res == 136);
-	res = _ttail_file_start_line(fpl, samples_sz[0]);
+	res = _ttail_file_start_line(fpl);
 	ck_assert(res == 77);
-	res = _ttail_file_start_line(fpl, samples_sz[0]);
+	res = _ttail_file_start_line(fpl);
 	ck_assert(res == 0);
 }
 END_TEST