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Only parse arguments if index actually is numeric
Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
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parent
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commit
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1 changed files with 7 additions and 6 deletions
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@ -84,15 +84,16 @@ static int normalize_line(rdline_t *t)
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} else if (c == '%') {
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*(dst++) = c;
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c = *(src++);
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if (c != '%' && !isdigit(c)) {
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if (isdigit(c)) {
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if ((c - '0') >= t->argc) {
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errstr = "argument out of range";
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goto fail;
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}
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ret += strlen(t->argv[c - '0']);
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} else if (c != '%') {
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errstr = "expected digit after '%%'";
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goto fail;
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}
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if (isdigit(c) && (c - '0') >= t->argc) {
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errstr = "argument out of range";
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goto fail;
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}
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ret += strlen(t->argv[c - '0']);
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} else if (string && c == '\\' && *src != '\0') {
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*(dst++) = c;
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c = *(src++);
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