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From: jhabermann@tricord.com To: gcc-gnats@gcc.gnu.org Subject: c/2707: gcc does not warn on truncate Date: Tue, 01 May 2001 11:06:00 -0000 [thread overview] Message-ID: <20010501175739.8262.qmail@sourceware.cygnus.com> (raw) >Number: 2707 >Category: c >Synopsis: gcc does not warn on truncate >Confidential: no >Severity: non-critical >Priority: medium >Responsible: unassigned >State: open >Class: sw-bug >Submitter-Id: net >Arrival-Date: Tue May 01 11:06:00 PDT 2001 >Closed-Date: >Last-Modified: >Originator: jhabermann@tricord.com >Release: unknown-1.0 >Organization: >Environment: >Description: gcc does not warn when assigning a "larger" variable to a smaller one. Example: #include <stdio.h> int main(int argc, char **argv) { unsigned long i32; unsigned short i16; i32 = 0xffffffff; i16 = i32; /* should warn here, I think */ printf("i32 = 0x%lx, i16 = 0x%x\n", i32, (unsigned int)i16); printf("sizeof(i32) = %d, sizeof(i16) = %d\n", sizeof(i32), sizeof(i16)); return(0); } >How-To-Repeat: >Fix: >Release-Note: >Audit-Trail: >Unformatted:
next reply other threads:[~2001-05-01 11:06 UTC|newest] Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top 2001-05-01 11:06 jhabermann [this message] 2001-10-30 15:10 neil 2003-05-08 8:36 Dara Hazeghi
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