Merge git://git.infradead.org/users/eparis/audit

[firefly-linux-kernel-4.4.55.git] / include / linux / string_helpers.h

diff --git a/include/linux/string_helpers.h b/include/linux/string_helpers.h
index 5a30f2a86239153a8cacde3a2649e082da329b58..6eb567ac56bc10394eb69793ad30b000545afe17 100644 (file)
--- a/include/linux/string_helpers.h
+++ b/include/linux/string_helpers.h
@@ -37,4 +37,35 @@ static inline int string_unescape_any_inplace(char *buf)
        return string_unescape_any(buf, buf, 0);
 }
 
+#define ESCAPE_SPACE           0x01
+#define ESCAPE_SPECIAL         0x02
+#define ESCAPE_NULL            0x04
+#define ESCAPE_OCTAL           0x08
+#define ESCAPE_ANY             \
+       (ESCAPE_SPACE | ESCAPE_OCTAL | ESCAPE_SPECIAL | ESCAPE_NULL)
+#define ESCAPE_NP              0x10
+#define ESCAPE_ANY_NP          (ESCAPE_ANY | ESCAPE_NP)
+#define ESCAPE_HEX             0x20
+
+int string_escape_mem(const char *src, size_t isz, char **dst, size_t osz,
+               unsigned int flags, const char *esc);
+
+static inline int string_escape_mem_any_np(const char *src, size_t isz,
+               char **dst, size_t osz, const char *esc)
+{
+       return string_escape_mem(src, isz, dst, osz, ESCAPE_ANY_NP, esc);
+}
+
+static inline int string_escape_str(const char *src, char **dst, size_t sz,
+               unsigned int flags, const char *esc)
+{
+       return string_escape_mem(src, strlen(src), dst, sz, flags, esc);
+}
+
+static inline int string_escape_str_any_np(const char *src, char **dst,
+               size_t sz, const char *esc)
+{
+       return string_escape_str(src, dst, sz, ESCAPE_ANY_NP, esc);
+}
+
 #endif