/[pcre]/code/trunk/pcre_internal.h
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revision 153 by ph10, Tue Apr 17 08:22:40 2007 UTC revision 154 by ph10, Wed Apr 18 09:26:41 2007 UTC
# Line 86  setjmp and stdarg are used is when NO_RE Line 86  setjmp and stdarg are used is when NO_RE
86  /* When compiling a DLL for Windows, the exported symbols have to be declared  /* When compiling a DLL for Windows, the exported symbols have to be declared
87  using some MS magic. I found some useful information on this web page:  using some MS magic. I found some useful information on this web page:
88  http://msdn2.microsoft.com/en-us/library/y4h7bcy6(VS.80).aspx. According to the  http://msdn2.microsoft.com/en-us/library/y4h7bcy6(VS.80).aspx. According to the
89  information there, using __declspec(dllesport) without "extern" we have a  information there, using __declspec(dllexport) without "extern" we have a
90  definition; with "extern" we have a declaration. The settings here override the  definition; with "extern" we have a declaration. The settings here override the
91  setting in pcre.h (which is included below); it defines only PCRE_EXP_DECL,  setting in pcre.h (which is included below); it defines only PCRE_EXP_DECL,
92  which is all that is needed for applications, which import the symbols. We use:  which is all that is needed for applications (they just import the symbols). We
93    use:
94    
95    PCRE_EXP_DECL       for declarations    PCRE_EXP_DECL       for declarations
96    PCRE_EXP_DEFN       for definitions of exported functions    PCRE_EXP_DEFN       for definitions of exported functions
# Line 102  Windows, the two should always be the sa Line 103  Windows, the two should always be the sa
103    
104  The reason for wrapping this in #ifndef PCRE_EXP_DECL is so that pcretest,  The reason for wrapping this in #ifndef PCRE_EXP_DECL is so that pcretest,
105  which is an application, but needs to import this file in order to "peek" at  which is an application, but needs to import this file in order to "peek" at
106  internals, can #include pcre.h first, can get an application's-eye view.  internals, can #include pcre.h first to get an application's-eye view.
107    
108  In principle, people compiling for non-Windows, non-Unix-like (i.e. uncommon,  In principle, people compiling for non-Windows, non-Unix-like (i.e. uncommon,
109  special-purpose environments) might want to stick other stuff in front of  special-purpose environments) might want to stick other stuff in front of
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