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* fix overflow corner case in strtoul-family functionsRich Felker2014-09-161-0/+1
| | | | | | | | incorrect behavior occurred only in cases where the input overflows unsigned long long, not just the (possibly lower) range limit for the result type. in this case, processing of the '-' sign character was not suppressed, and the function returned a value of 1 despite setting errno to ERANGE.
* clean up stdio_impl.hRich Felker2012-11-081-0/+1
| | | | | | | | | | | this header evolved to facilitate the extremely lazy practice of omitting explicit includes of the necessary headers in individual stdio source files; not only was this sloppy, but it also increased build time. now, stdio_impl.h is only including the headers it needs for its own use; any further headers needed by source files are included directly where needed.
* fix really bad breakage in strtol, etc.: failure to accept leading spacesRich Felker2012-04-191-1/+1
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* fix failure of int parser to unget an initial mismatching characterRich Felker2012-04-171-0/+1
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* new scanf implementation and corresponding integer parser/converterRich Felker2012-04-161-0/+97
advantages over the old code: - correct results for floating point (old code was bogus) - wide/regular scanf separated so scanf does not pull in wide code - well-defined behavior on integers that overflow dest type - support for %[a-b] ranges with %[ (impl-defined by widely used) - no intermediate conversion of fmt string to wide string - cleaner, easier to share code with strto* functions - better standards conformance for corner cases the old code remains in the source tree, as the wide versions of the scanf-family functions are still using it. it will be removed when no longer needed.