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options: reject nan, inf, 0:0, etc. for float options 

Same for time values.
This commit is contained in:
wm4 2013-02-24 21:05:59 +01:00
parent bbea6cc6d4
commit 7af2bc6607
1 changed files with 13 additions and 0 deletions
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13
core/m_option.c
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@ -522,6 +522,10 @@ static int clamp_double(const m_option_t *opt, void *val)
v = opt->min;
r = M_OPT_OUT_OF_RANGE;
}
if (!isfinite(v)) {
v = opt->min;
r = M_OPT_OUT_OF_RANGE;
}
VAL(val) = v;
return r;
}
@ -562,6 +566,13 @@ static int parse_double(const m_option_t *opt, struct bstr name,
return M_OPT_OUT_OF_RANGE;
}
if (!isfinite(tmp_float)) {
mp_msg(MSGT_CFGPARSER, MSGL_ERR,
"The %.*s option must be a finite number: %.*s\n",
BSTR_P(name), BSTR_P(param));
return M_OPT_OUT_OF_RANGE;
}
if (dst)
VAL(dst) = tmp_float;
return 1;
@ -1532,6 +1543,8 @@ static int parse_timestring(struct bstr str, double *time, char endchar)
return 0; /* unsupported time format */
if (len < str.len && str.start[len] != endchar)
return 0; /* invalid extra characters at the end */
if (!isfinite(*time))
return 0;
return len;
}