increased buffer size, check for end

diff --git a/lang/cem/libcc/stdio/doprnt.c b/lang/cem/libcc/stdio/doprnt.c
index 99304b2..ab6ddc0 100644 (file)
--- a/lang/cem/libcc/stdio/doprnt.c
+++ b/lang/cem/libcc/stdio/doprnt.c
@@ -95,7 +95,7 @@ _doprnt(fmt,args,stream)
        unsigned int    uint ;
        register int    j ;
        int             i,c,rjust,width,ndigit,ndfnd,zfill;
-       char            *oldfmt,*s1,buf[40];
+       char            *oldfmt,*s1,buf[129];
 
        nextarg = args;
        while (c = *fmt++) {
@@ -216,10 +216,12 @@ _doprnt(fmt,args,stream)
                        break;
 #ifndef NOFLOAT
                case 'e':
+                       if (ndigit >= sizeof(buf)) ndigit = sizeof(buf) - 1;
                        geta(&dbl,wsize(dbl)) ;
                        s = _pscien(dbl,s,ndigit,ndfnd);
                        break;
                case 'f':
+                       if (ndigit >= sizeof(buf)) ndigit = sizeof(buf) - 1;
                        geta(&dbl,wsize(dbl)) ;
                        s = _pfloat(dbl,s,ndigit,ndfnd);
                        break;