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wtv: Check the return value from gmtime
On MSVC, gmtime returns NULL for values outside of their supported range (and these show up in our fate test). This doesn't seem to affect the actual fate test result. Signed-off-by: Martin Storsjö <martin@martin.st>
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@ -443,7 +443,11 @@ static int read_probe(AVProbeData *p)
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static void filetime_to_iso8601(char *buf, int buf_size, int64_t value)
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{
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time_t t = (value / 10000000LL) - 11644473600LL;
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struct tm *tm = gmtime(&t);
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if (tm)
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strftime(buf, buf_size, "%Y-%m-%d %H:%M:%S", gmtime(&t));
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else
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buf[0] = '\0';
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}
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/**
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@ -452,7 +456,11 @@ static void filetime_to_iso8601(char *buf, int buf_size, int64_t value)
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static void crazytime_to_iso8601(char *buf, int buf_size, int64_t value)
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{
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time_t t = (value / 10000000LL) - 719162LL*86400LL;
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struct tm *tm = gmtime(&t);
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if (tm)
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strftime(buf, buf_size, "%Y-%m-%d %H:%M:%S", gmtime(&t));
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else
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buf[0] = '\0';
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}
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/**
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@ -461,7 +469,11 @@ static void crazytime_to_iso8601(char *buf, int buf_size, int64_t value)
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static void oledate_to_iso8601(char *buf, int buf_size, int64_t value)
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{
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time_t t = 631112400LL + 86400*av_int2double(value);
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struct tm *tm = gmtime(&t);
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if (tm)
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strftime(buf, buf_size, "%Y-%m-%d %H:%M:%S", gmtime(&t));
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else
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buf[0] = '\0';
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}
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static void get_attachment(AVFormatContext *s, AVIOContext *pb, int length)
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