diff options
Diffstat (limited to 'src/cmd/grap/print.c')
| -rw-r--r-- | src/cmd/grap/print.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/cmd/grap/print.c b/src/cmd/grap/print.c index 1ce32116..5a2e4e78 100644 --- a/src/cmd/grap/print.c +++ b/src/cmd/grap/print.c @@ -147,7 +147,7 @@ void graph(char *s) /* graph statement */ s++; if (c == '\0') ERROR "no name on graph statement" WARNING; - if (!isupper(s[0])) + if (!isupper((uchar)s[0])) ERROR "graph name %s must be capitalized", s WARNING; for (p=graphname; (c = *s) != ' ' && c != '\t' && c != '\0'; ) *p++ = *s++; |