pike.git / src / builtin.cmod

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pike.git/src/builtin.cmod:1:   /* -*- c -*- -  * $Id: builtin.cmod,v 1.64 2001/09/05 23:44:32 hubbe Exp $ +  * $Id: builtin.cmod,v 1.65 2001/09/21 17:57:12 grubba Exp $    */      #include "global.h"   #include "interpret.h"   #include "svalue.h"   #include "opcodes.h"   #include "pike_macros.h"   #include "object.h"   #include "program.h"   #include "array.h"
pike.git/src/builtin.cmod:1375:       /*! @decl void add(string ... data)    *!    *! Adds @[data] to the buffer. Returns the size of the buffer.    *!    */    PIKEFUN int add( string ... arg1 )    {    struct Buffer_struct *str = THIS;    int j; -  struct pike_string *a; +     -  +  if (!str->str.s && args) { +  int sum = 0; +  int shift = 0; +  for (j=0; j < args; j++) { +  struct pike_string *a = Pike_sp[j-args].u.string; +  sum += a->len; +  shift |= a->size_shift; +  } +  if (sum < str->initial) { +  sum = str->initial; +  } +  init_string_builder_alloc(&str->str, sum, shift & ~(shift>>1)); +  } +     for( j = 0; j<args; j++ )    { -  a = Pike_sp[-args+j].u.string; -  if( !str->str.s ) -  init_string_builder_alloc( &str->str, str->initial, a->size_shift ); +  struct pike_string *a = Pike_sp[j-args].u.string;    string_builder_shared_strcat( &str->str, a );    } -  RETURN str->str.s->len; +  +  if (str->str.s) { +  RETURN str->str.s->len; +  } else { +  RETURN 0;    } -  +  }       /*! @decl string get_copy()    *!    *! Get the data from the buffer. Significantly slower than @[get],    *! but does not clear the buffer.    */    PIKEFUN string get_copy()    {    struct pike_string *str = THIS->str.s;    if( str )