Update ChangeLog

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Gregory Nutt 2014-12-08 10:41:56 -06:00
parent 297a255fd8
commit b3b6aa2f12

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@ -9162,3 +9162,9 @@
all SPI and all F2 and F4 (let me know if this introduces any other all SPI and all F2 and F4 (let me know if this introduces any other
issues). Discovered and fixed by Sebastien Lorquet after much issues). Discovered and fixed by Sebastien Lorquet after much
consternation (2014-12-8). consternation (2014-12-8).
* libc/stdio/lib_avsprintf.c: avsprintf(): Fix a bug in usage of
va_list on x86. On x86, va_list is a pointer to a single copy on the
stack. avsprintf() calls lib_vsprintf() twice and so traverses the
va_list twice using va_start. va_start modifies that single copy on
he stack so that the second call to lib_vsprintf() fails. This appears
to be an issue with x86 only so far (2014-12-8).