From 8ebbde3223643ce359742a30d2afa15a4b68317d Mon Sep 17 00:00:00 2001
From: ajuaristi <ajuaristi@gmx.es>
Date: Thu, 22 May 2014 09:51:59 +0200
Subject: [PATCH] Added function to trim strings.

---
 hydra-mod.c | 23 +++++++++++++++++++++++
 hydra-mod.h |  1 +
 2 files changed, 24 insertions(+)

diff --git a/hydra-mod.c b/hydra-mod.c
index a9cefab..c8aa999 100644
--- a/hydra-mod.c
+++ b/hydra-mod.c
@@ -1285,3 +1285,26 @@ int hydra_memsearch(char *haystack, int hlen, char *needle, int nlen) {
       return i;
   return -1;
 }
+
+char * hydra_trim(char * str) {
+	size_t len = strlen(str);
+	char * str_ptr[] = {str, NULL};
+
+	// Truncate leading spaces
+	for(; *str_ptr[0] == ' ' && len > 0; str_ptr[0]++)
+		len--;
+
+	if(len == 0)
+		return NULL;
+
+	// Truncate trailing spaces
+	str_ptr[1] = str + len;
+	for(; *str_ptr[1] == ' '; str_ptr[1]--)
+		len--;
+	*(str_ptr[1] + 1) = 0;
+
+	char * trimmed_str = strndup(str_ptr[0], len);
+	free(str);
+
+	return trimmed_str;
+}
diff --git a/hydra-mod.h b/hydra-mod.h
index 5330e5c..5830607 100644
--- a/hydra-mod.h
+++ b/hydra-mod.h
@@ -38,6 +38,7 @@ extern char *hydra_strcasestr(const char *haystack, const char *needle);
 extern void hydra_dump_data(unsigned char *buf, int len, char *text);
 extern int hydra_memsearch(char *haystack, int hlen, char *needle, int nlen);
 extern char *hydra_strrep(char *string, char *oldpiece, char *newpiece);
+extern char * hydra_trim(char * str);
 
 #ifdef HAVE_PCRE
 int hydra_string_match(char *str, const char *regex);