rev: Avoid out of boundary read
Check if the length of the parsed string is at least 1, otherwise an out of boundary read would occur.
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@ -149,6 +149,9 @@ int main(int argc, char *argv[])
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while (fgetws(buf, bufsiz, fp)) {
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len = wcslen(buf);
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if (len == 0)
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continue;
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/* This is my hack from setpwnam.c -janl */
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while (buf[len-1] != '\n' && !feof(fp)) {
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/* Extend input buffer if it failed getting the whole line */
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