Avoid passing negative values to isdigit() on machines with signed chars.
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6489fd2148
commit
a2b28f9d9a
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=132205
@ -499,11 +499,11 @@ getlist(short **list, char *p)
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char *t;
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for (t = p + 1; *t; t++) {
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if (!isdigit(*t))
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if (!isdigit((unsigned char)*t))
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errx(1,
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"option %.1s requires a list of unsigned numbers separated by commas", t);
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count++;
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while (*t && isdigit(*t))
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while (*t && isdigit((unsigned char)*t))
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t++;
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if (*t != ',')
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break;
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@ -515,7 +515,7 @@ getlist(short **list, char *p)
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(*list)[count++] = atoi(t);
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printf("++ %d ", (*list)[count-1]);
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fflush(stdout);
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while (*t && isdigit(*t))
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while (*t && isdigit((unsigned char)*t))
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t++;
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if (*t != ',')
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break;
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@ -533,7 +533,7 @@ getnum(int *num, char *p, int strict)
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{
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char *t = p;
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if (!isdigit(*++t)) {
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if (!isdigit((unsigned char)*++t)) {
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if (strict || *t == '-' || *t == '+')
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errx(1, "option %.1s requires an unsigned integer", p);
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*num = 0;
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@ -541,7 +541,7 @@ getnum(int *num, char *p, int strict)
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}
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*num = atoi(t);
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while (*++t)
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if (!isdigit(*t))
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if (!isdigit((unsigned char)*t))
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break;
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return(--t);
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}
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