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Avoid passing negative values to isdigit() on machines with signed chars.

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This commit is contained in:
Tim J. Robbins 2004-07-15 10:26:38 +00:00
parent 6489fd2148
commit a2b28f9d9a
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=132205
1 changed files with 5 additions and 5 deletions
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10
usr.bin/rs/rs.c
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@ -499,11 +499,11 @@ getlist(short **list, char *p)
char *t;
for (t = p + 1; *t; t++) {
if (!isdigit(*t))
if (!isdigit((unsigned char)*t))
errx(1,
"option %.1s requires a list of unsigned numbers separated by commas", t);
count++;
while (*t && isdigit(*t))
while (*t && isdigit((unsigned char)*t))
t++;
if (*t != ',')
break;
@ -515,7 +515,7 @@ getlist(short **list, char *p)
(*list)[count++] = atoi(t);
printf("++ %d ", (*list)[count-1]);
fflush(stdout);
while (*t && isdigit(*t))
while (*t && isdigit((unsigned char)*t))
t++;
if (*t != ',')
break;
@ -533,7 +533,7 @@ getnum(int *num, char *p, int strict)
{
char *t = p;
if (!isdigit(*++t)) {
if (!isdigit((unsigned char)*++t)) {
if (strict || *t == '-' || *t == '+')
errx(1, "option %.1s requires an unsigned integer", p);
*num = 0;
@ -541,7 +541,7 @@ getnum(int *num, char *p, int strict)
}
*num = atoi(t);
while (*++t)
if (!isdigit(*t))
if (!isdigit((unsigned char)*t))
break;
return(--t);
}