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isdigit (Tom Miller)

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rsc 2005-11-01 15:01:00 +00:00
parent 24d5692977
commit 604ad4d8ff
7 changed files with 10 additions and 7 deletions
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8
src/cmd/jpg/togif.c
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@ -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 */