Add setters for RE flags and use them

ttail_set_flag_re_ex() and ttail_set_flag_re_ci()

src/include/ttail.h

@@ -22,7 +22,7 @@ typedef struct _ttail_s ttail_t;
 #define TTAIL_FLAG_DATE_MAX 4
 #define TTAIL_FLAG_FORMAT 8
 #define TTAIL_FLAG_EXTENDED_RE 16
-#define TTAIL_FLAG_EXTENDED_CI 32
+#define TTAIL_FLAG_CI_RE 32
 
 #define TTAIL_DEFAULT_FORMATS {"%m",\
 "%A %B %d, %Y %H:%M:%S",\

src/include/ttail_init.h

@@ -180,6 +180,18 @@ int ttail_set_prefix(ttail_t*, const char*);
  */
 int ttail_set_fmt(ttail_t*, const char*);
 
+/**@brief Set the extended regex flag
+ *@param ttail ttail_t*
+ *@return -1 on error else 0
+ */
+int ttail_set_flag_re_ex(ttail_t*);
+
+/**@brief Set the case insensitive regex flag
+ *@param ttail ttail_t*
+ *@return -1 on error else 0
+ */
+int ttail_set_flag_re_ci(ttail_t*);
+
 /**@brief Set dates min/max
  *
  *After the call dates are free and set to NULL except if error

src/ttail_init.c

@@ -63,16 +63,16 @@ to be > 0");
 				}
 				break;
 			case 'E':
+				if(ttail_set_flag_re_ex(res) < 0)
+				{
+					goto ttail_init_err;
+				}
+				break;
 			case 'I':
-				/**@todo checks */
-				if(res->flag & TTAIL_FLAG_PREFIX)
+				if(ttail_set_flag_re_ci(res) < 0)
 				{
-					fprintf(stderr, "-E & -I options \
-have to be set BEFORE -r option\n");
 					goto ttail_init_err;
 				}
-				res->flag |= c=='E'?TTAIL_FLAG_EXTENDED_RE:\
-					REG_ICASE;
 				break;
 			case 'f':
 				if(res->flag & TTAIL_FLAG_FORMAT)
@@ -248,7 +248,7 @@ int ttail_set_prefix(ttail_t* res, const char* regex)
 	{
 		cflags |= REG_EXTENDED;
 	}
-	if(res->flag & TTAIL_FLAG_EXTENDED_CI)
+	if(res->flag & TTAIL_FLAG_CI_RE)
 	{
 		cflags |= REG_ICASE;
 	}
@@ -298,6 +298,42 @@ int ttail_set_fmt(ttail_t* t, const char* fmt)
 	return 0;
 }
 
+/**@brief This function is used by bot @ref ttail_set_flag_re_ex() and
+ *ttail_set_flag_re_ci() function
+ *@param t ttail_t*
+ *@return -1 on error else 0
+ */
+static int _ttail_common_set_flag_re(ttail_t* ttail)
+{
+	if(ttail->flag & TTAIL_FLAG_PREFIX)
+	{
+		fprintf(stderr, "Regex flags has to be set BEFORE the \
+prefix\n");
+		return -1;
+	}
+	return 0;
+}
+
+int ttail_set_flag_re_ex(ttail_t* ttail)
+{
+	if(_ttail_common_set_flag_re(ttail) < 0)
+	{
+		return -1;
+	}
+	ttail->flag |= TTAIL_FLAG_EXTENDED_RE;
+	return 0;
+}
+
+int ttail_set_flag_re_ci(ttail_t* ttail)
+{
+	if(_ttail_common_set_flag_re(ttail) < 0)
+	{
+		return -1;
+	}
+	ttail->flag |= TTAIL_FLAG_CI_RE;
+	return 0;
+}
+
 int ttail_set_dates(ttail_t* res, char* dates[2])
 {
 	int c, ret;