http://www.manpagez.com/man/3/regcomp/
REG_ENHANCED Recognized enhanced regular expression features;
see *re_format(7) <http://www.manpagez.com/man/7/re_format/>* for
details. This is an extension not specified by IEEE Std 1003.2
(``POSIX.2''), and should be used with caution in software intended to
be portable to other systems.
=(
On Tue, Jan 20, 2015 at 3:54 PM, Zachary Turner <ztur...@google.com> wrote:
> s/Linus/Linux/
>
>
> On Tue Jan 20 2015 at 3:50:10 PM Zachary Turner <ztur...@google.com>
> wrote:
>
>> Linus doesn't appear to have REG_ENHANCED.
>>
>> On Tue, Jan 20, 2015 at 3:37 PM, Greg Clayton <gclay...@apple.com> wrote:
>>
>>> The code below fails to match the string "a" to the regex "^a$" on
>>> MacOSX if both "REG_EXTENDED | REG_ENHANCED" are specified, but it will
>>> pass if just REG_ENHANCED is used.
>>>
>>> Can someone run this on linux to see if the code below fails as well on
>>> linux? I want to make sure it isn't just an old version of regex we have in
>>> our libc...
>>>
>>>
>>>
>>> #include <stdio.h>
>>> #include <stdint.h>
>>> #include <regex.h>
>>>
>>> #define DEFAULT_REG_FLAGS (REG_EXTENDED | REG_ENHANCED)
>>>
>>> int main (int argc, char const *argv[], char const *envp[])
>>> {
>>> regex_t re;
>>> const char *regex_input = "a";
>>> int err = regcomp (&re, "^a$", DEFAULT_REG_FLAGS);
>>> if (err == 0)
>>> {
>>> err = regexec (&re, regex_input, 0, NULL, DEFAULT_REG_FLAGS);
>>> if (err == 0)
>>> {
>>> puts("matched");
>>> }
>>> else
>>> {
>>> char error_str[2048];
>>> const size_t actual_error_str_size = regerror(err, &re,
>>> error_str, sizeof(error_str));
>>> puts(error_str);
>>> }
>>> }
>>> return 0;
>>> }
>>>
>>>
>>>
>>>
>>>
>>>
>>> _______________________________________________
>>> lldb-dev mailing list
>>> lldb-dev@cs.uiuc.edu
>>> http://lists.cs.uiuc.edu/mailman/listinfo/lldb-dev
>>>
>>
>>
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--
Vince Harron | Technical Lead Manager | vhar...@google.com | 858-442-0868
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