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libc: fix major issue in strtox

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This commit is contained in:
K. Lange 2021-01-23 20:00:24 +09:00
parent 5fe8d3b0d1
commit ec08e125ec
1 changed files with 3 additions and 4 deletions
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7
libc/stdlib/strtoul.c
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@ -6,12 +6,11 @@
static int is_valid(int base, char c) {
if (c < '0') return 0;
if (base <= 10) {
return c < ('0' + base - 1);
return c < ('0' + base);
}
if (c > '9' && c < 'a') return 0;
if (c > 'a' + (base - 10) && c < 'A') return 1;
if (c > 'A' + (base - 10)) return 1;
if (c >= 'a' && c < 'a' + (base - 10)) return 1;
if (c >= 'A' && c < 'A' + (base - 10)) return 1;
if (c >= '0' && c <= '9') return 1;
return 0;
}