From 6658f58d4afcb80ffaeac460564aecb1591ecd93 Mon Sep 17 00:00:00 2001
From: Felipe Pena <felipensp@gmail.com>
Date: Tue, 12 Nov 2013 00:50:15 -0200
Subject: [PATCH] - Added phpdbg_is_empty function

---
 phpdbg_prompt.c |  2 +-
 phpdbg_utils.c  | 11 +++++++++++
 phpdbg_utils.h  |  3 ++-
 3 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/phpdbg_prompt.c b/phpdbg_prompt.c
index 5fd07125228..b71bd3d8203 100644
--- a/phpdbg_prompt.c
+++ b/phpdbg_prompt.c
@@ -498,7 +498,7 @@ static PHPDBG_COMMAND(quiet) { /* {{{ */
 
 static PHPDBG_COMMAND(list) /* {{{ */
 {
-	if (phpdbg_is_numeric(expr)) {
+	if (phpdbg_is_empty(expr) || phpdbg_is_numeric(expr)) {
 		long offset = 0, count = strtol(expr, NULL, 0);
 		const char *filename = PHPDBG_G(exec);
 
diff --git a/phpdbg_utils.c b/phpdbg_utils.c
index 4991d3d9e5f..e3408ed47e7 100644
--- a/phpdbg_utils.c
+++ b/phpdbg_utils.c
@@ -30,3 +30,14 @@ int phpdbg_is_numeric(const char *str) /* {{{ */
 	}
 	return 0;
 } /* }}} */
+
+int phpdbg_is_empty(const char *str) /* {{{ */
+{
+	for (; *str; str++) {
+		if (isspace(*str)) {
+			continue;
+		}
+		return 0;
+	}
+	return 1;
+} /* }}} */
diff --git a/phpdbg_utils.h b/phpdbg_utils.h
index 231a1b3f216..3cb430f0594 100644
--- a/phpdbg_utils.h
+++ b/phpdbg_utils.h
@@ -20,6 +20,7 @@
 #ifndef PHPDBG_UTILS_H
 #define PHPDBG_UTILS_H
 
-int phpdbg_is_numeric(const char *);
+int phpdbg_is_numeric(const char*);
+int phpdbg_is_empty(const char*);
 
 #endif /* PHPDBG_UTILS_H */