diff options
Diffstat (limited to 'src/cmd/graph/graph.c')
| -rw-r--r-- | src/cmd/graph/graph.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/cmd/graph/graph.c b/src/cmd/graph/graph.c index 01c8bc66..3e740cb0 100644 --- a/src/cmd/graph/graph.c +++ b/src/cmd/graph/graph.c @@ -258,7 +258,7 @@ numb(float *np, int *argcp, char ***argvp){ return(0); while((c=(*argvp)[1][0]) == '+') (*argvp)[1]++; - if(!(isdigit(c) || c=='-'&&(*argvp)[1][1]<'A' || c=='.')) + if(!(isdigit((uchar)c) || c=='-'&&(*argvp)[1][1]<'A' || c=='.')) return(0); *np = atof((*argvp)[1]); (*argcp)--; |