Move strtok_r implementation verbatim to helpers.c

Corresponding to flashrom svn r1853.

Signed-off-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Acked-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>

1 files changed, 21 insertions, 0 deletions

diff --git a/helpers.c b/helpers.c
index 63fc880..5685d29 100644
--- a/helpers.c
+++ b/helpers.c
@@ -70,3 +70,24 @@ void tolower_string(char *str)
 		*str = (char)tolower((unsigned char)*str);
 }
 
+/* FIXME: Find a better solution for MinGW. Maybe wrap strtok_s (C11) if it becomes available */
+#ifdef __MINGW32__
+char* strtok_r(char *str, const char *delim, char **nextp)
+{
+	if (str == NULL)
+		str = *nextp;
+
+	str += strspn(str, delim); /* Skip leading delimiters */
+	if (*str == '\0')
+		return NULL;
+
+	char *ret = str;
+	str += strcspn(str, delim); /* Find end of token */
+	if (*str != '\0')
+		*str++ = '\0';
+
+	*nextp = str;
+	return ret;
+}
+#endif
+