kconfig: stop supporting '.' and '/' in unquoted words

[carl9170fw.git] / config / preprocess.c

diff --git a/config/preprocess.c b/config/preprocess.c
index 65da87fce907ad2bc7b52adba4651dc2c32786be..b028a48b0e761f491f90e29df43b6975f5a0a757 100644 (file)
--- a/config/preprocess.c
+++ b/config/preprocess.c
@@ -156,7 +156,7 @@ static char *do_shell(int argc, char *argv[])
                nread--;
 
        /* remove trailing new lines */
-       while (buf[nread - 1] == '\n')
+       while (nread > 0 && buf[nread - 1] == '\n')
                nread--;
 
        buf[nread] = 0;
@@ -555,8 +555,7 @@ char *expand_string(const char *in)
 
 static bool is_end_of_token(char c)
 {
-       /* Why are '.' and '/' valid characters for symbols? */
-       return !(isalnum(c) || c == '_' || c == '-' || c == '.' || c == '/');
+       return !(isalnum(c) || c == '_' || c == '-');
 }
 
 /*