strdup -> xstrdup

sed: de-obfuscate piece of code

3 files changed, 6 insertions, 5 deletions

diff --git a/editors/sed.c b/editors/sed.c
index 674381b56..720d29aed 100644
--- a/editors/sed.c
+++ b/editors/sed.c
@@ -175,12 +175,13 @@ static void parse_escapes(char *dest, char *string, int len, char from, char to)
         while (i < len) {
                 if (string[i] == '\\') {
                         if (!to || string[i+1] == from) {
-                                *(dest++) = to ? to : string[i+1];
+                                *dest++ = to ? to : string[i+1];
                                 i += 2;
                                 continue;
-                        } else *(dest++) = string[i++];
+                        }
+                        *dest++ = string[i++];
                 }
-                *(dest++) = string[i++];
+                *dest++ = string[i++];
         }
         *dest = 0;
 }
diff --git a/libbb/loop.c b/libbb/loop.c
index 14835ec24..9818a30cb 100644
--- a/libbb/loop.c
+++ b/libbb/loop.c
@@ -142,7 +142,7 @@ try_again:
         }
         close(ffd);
         if (!rc) {
-                if (!*device) *device = strdup(dev);
+                if (!*device) *device = xstrdup(dev);
                 return mode==O_RDONLY ? 1 : 0;
         }
         return rc;
diff --git a/networking/udhcp/files.c b/networking/udhcp/files.c
index 5e399e1f8..9ade4ae6d 100644
--- a/networking/udhcp/files.c
+++ b/networking/udhcp/files.c
@@ -56,7 +56,7 @@ static int read_str(const char *line, void *arg)
         char **dest = arg;
 
         free(*dest);
-        *dest = strdup(line);
+        *dest = xstrdup(line);
 
         return 1;
 }