diff options
Diffstat (limited to 'src/cmd/jpg/togif.c')
| -rw-r--r-- | src/cmd/jpg/togif.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/cmd/jpg/togif.c b/src/cmd/jpg/togif.c index 35336883..0aa37644 100644 --- a/src/cmd/jpg/togif.c +++ b/src/cmd/jpg/togif.c @@ -31,7 +31,7 @@ main(int argc, char *argv[]) ARGBEGIN{ case 'l': s = ARGF(); - if(s==nil || (!isdigit(s[0]) && s[0]!='-')) + if(s==nil || (!isdigit((uchar)s[0]) && s[0]!='-')) usage(); loop = atoi(s); break; @@ -42,13 +42,13 @@ main(int argc, char *argv[]) break; case 'd': s = ARGF(); - if(s==nil || !isdigit(s[0])) + if(s==nil || !isdigit((uchar)s[0])) usage(); dt = atoi(s); break; case 't': s = ARGF(); - if(s==nil || !isdigit(s[0])) + if(s==nil || !isdigit((uchar)s[0])) usage(); trans = atoi(s); if(trans > 255) @@ -101,7 +101,7 @@ main(int argc, char *argv[]) usage(); }else s = &argv[j][2]; - if(!isdigit(s[0])) + if(!isdigit((uchar)s[0])) usage(); dt = atoi(s); if(j == argc-1) /* last argument must be file */ |