X-Git-Url: https://pd.if.org/git/?p=pdclib;a=blobdiff_plain;f=functions%2F_PDCLIB%2Fstrtox_prelim.c;h=69255278ac80eb70eb8ead79fbbcd0c26101da49;hp=8b0f44236317d8d7217a647c67f6e2843783a222;hb=d02f38605b53cdff5460cc6b9e1b2a80c3a2ba4c;hpb=3f6094115e79a45413f08361b68b71eb08da306e

diff --git a/functions/_PDCLIB/strtox_prelim.c b/functions/_PDCLIB/strtox_prelim.c
index 8b0f442..6925527 100644
--- a/functions/_PDCLIB/strtox_prelim.c
+++ b/functions/_PDCLIB/strtox_prelim.c
@@ -39,20 +39,19 @@ const char * _PDCLIB_strtox_prelim( const char * p, char * sign, int * base )
     {
         *base = 10;
     }
-    return p;
+    return ( ( *base >= 2 ) && ( *base <= 36 ) ) ? p : NULL;
 }
 
 #ifdef TEST
 #include <_PDCLIB_test.h>
 
-int main()
+int main( void )
 {
     int base = 0;
     char sign = '\0';
     char test1[] = "  123";
     char test2[] = "\t+0123";
     char test3[] = "\v-0x123";
-    BEGIN_TESTS;
     TESTCASE( _PDCLIB_strtox_prelim( test1, &sign, &base ) == &test1[2] );
     TESTCASE( sign == '+' );
     TESTCASE( base == 10 );
@@ -71,6 +70,10 @@ int main()
     TESTCASE( _PDCLIB_strtox_prelim( test3, &sign, &base ) == &test3[2] );
     TESTCASE( sign == '-' );
     TESTCASE( base == 10 );
+    base = 1;
+    TESTCASE( _PDCLIB_strtox_prelim( test3, &sign, &base ) == NULL );
+    base = 37;
+    TESTCASE( _PDCLIB_strtox_prelim( test3, &sign, &base ) == NULL );
     return TEST_RESULTS;
 }