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datetime: just return NULL on short input strings instead of a warning

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We want to be able to use this function on random non-NULL input,
this should not result in a runtime-critical.
This commit is contained in:
Tim-Philipp Müller 2012-07-16 00:24:46 +01:00
parent 49ab4d9a45
commit d370c1ee2f
1 changed files with 7 additions and 4 deletions
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11
gst/gstdatetime.c
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@ -751,12 +751,15 @@ gst_date_time_new_from_iso8601_string (const gchar * string)
guint64 usecs;
gint len, ret;
g_return_val_if_fail (string != NULL, NULL);
GST_DEBUG ("Parsing '%s' into a datetime", string);
len = strlen (string);
g_return_val_if_fail (len >= 4, NULL);
g_return_val_if_fail (g_ascii_isdigit (*string), NULL);
GST_DEBUG ("Parsing %s into a datetime", string);
if (len < 4 || !g_ascii_isdigit (string[0]) || !g_ascii_isdigit (string[1])
|| !g_ascii_isdigit (string[2]) || !g_ascii_isdigit (string[3]))
return NULL;
ret = sscanf (string, "%04d-%02d-%02d", &year, &month, &day);