Article View: gnu.g++.bug
Article #332Bug with variable-length arrays in argument list
From: Robert Kennedy
Date: Fri, 04 Aug 1989 21:28
Date: Fri, 04 Aug 1989 21:28
46 lines
1564 bytes
1564 bytes
Running version 1.35.1- on a Sun 4/110, SunOS:
Variable length arrays as described on page 46 of the manual are
broken.
----------------- begin c++ program ---------------------
#include <stream.h>
void gripe(int a, char c[a])
{
cout << c[0];
}
main()
{
gripe(2, "T");
}
----------------- begin g++ output ---------------------
winge.cc:3: `a' undeclared, outside of functions
winge.cc:5: parameter `c' has incomplete type
In function void gripe (int, _0):
winge.cc:6: `c' was not declared (first use this function)
winge.cc:6: (Each undeclared identifier is reported only once
winge.cc:6: for each function it appears in.)
In function int main ():
winge.cc:13: parameter type of called function is incomplete
------------------------ end g++ output ---------------------
Note also that the following program should compile and work in the
obvious way (but doesn't -- compiler output excluded for brevity):
#include <stream.h>
void multiwinge(int a, char c[][a])
{
cout << c[1][0];
}
main()
{
multiwinge(2, "Should print u");
}
Technical Details
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<CMM.0.88.618269303.robert@Polya.Stanford.EDU>Path:
arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!POLYA.STANFORD.EDU!robertShow Full Headers
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!POLYA.STANFORD.EDU!robert From: robert@POLYA.STANFORD.EDU (Robert Kennedy) Newsgroups: gnu.g++.bug Subject: Bug with variable-length arrays in argument list Message-ID: <CMM.0.88.618269303.robert@Polya.Stanford.EDU> Date: 4 Aug 89 21:28:23 GMT Sender: kathy@tut.cis.ohio-state.edu Reply-To: Robert Kennedy <robert@polya.stanford.edu> Distribution: gnu Organization: GNUs Not Usenet Lines: 46