ftpd: code shrink, move replace_char() to libbb

function                                             old     new   delta
modprobe_main                                        803     804      +1
escape_text                                          127     122      -5
replace                                               18       -     -18
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 1/1 up/down: 1/-23)             Total: -22 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 13 insertions, 0 deletions

diff --git a/include/libbb.h b/include/libbb.h
index cdc05049c..895200192 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -1113,6 +1113,19 @@ char *bin2hex(char *dst, const char *src, int count) FAST_FUNC;
 /* Reverse */
 char* hex2bin(char *dst, const char *src, int count) FAST_FUNC;
 
+/* Returns strlen as a bonus */
+//size_t replace_char(char *s, char what, char with) FAST_FUNC;
+static inline size_t replace_char(char *str, char from, char to)
+{
+        char *p = str;
+        while (*p) {
+                if (*p == from)
+                        *p = to;
+                p++;
+        }
+        return p - str;
+}
+
 extern const char c_escape_conv_str00[];
 #define c_escape_conv_str07 (c_escape_conv_str00+3)