public inbox for gcc-bugs@sourceware.org help / color / mirror / Atom feed
From: "ken at realtronix dot net" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c/13428] New: gcc-avr doesn't work properly with PGM string Date: Thu, 18 Dec 2003 06:47:00 -0000 [thread overview] Message-ID: <20031218064547.13428.ken@realtronix.net> (raw) gcc version as: Configured with: ../configure --prefix=/e/avrdev/install --target=avr --enable- languages=c,c++ --disable-nls --enable-win32-registry=WinAVR Thread model: single gcc version 3.3.1 demo program as: #include <avr/io.h> #include <avr/pgmspace.h> #include <string.h> const char foo[] PROGMEM = "foo"; const char bar[] PROGMEM = "bar"; PGM_P Langs[2] PROGMEM = {foo, bar}; int main(void) { unsigned char i; char buf[2][5]; //strcpy_P works fine with constant index strcpy_P(buf[0], Langs[0]); //correctly copy 'foo' strcpy_P(buf[1], Langs[1]); //correctly copy 'bar' //but strcpy_P copy char from wrong address if use variable indexing for (i=0; i<2; i++) strcpy_P(buf[i], Langs[i]); //copy garbages!!! return 1; } -- Summary: gcc-avr doesn't work properly with PGM string Product: gcc Version: 3.3.1 Status: UNCONFIRMED Severity: normal Priority: P2 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: ken at realtronix dot net CC: gcc-bugs at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13428
next reply other threads:[~2003-12-18 6:45 UTC|newest] Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top 2003-12-18 6:47 ken at realtronix dot net [this message] 2003-12-18 8:04 ` [Bug c/13428] " pinskia at gcc dot gnu dot org 2003-12-19 14:55 ` pinskia at gcc dot gnu dot org 2003-12-20 3:26 ` ken at realtronix dot net 2003-12-20 3:51 ` pinskia at gcc dot gnu dot org 2003-12-20 4:00 ` pinskia at gcc dot gnu dot org 2003-12-24 21:16 ` [Bug c/13428] gcc-avr doesn't work properly with __attribute__((__progmem__)) kazu at cs dot umass dot edu 2003-12-24 22:43 ` [Bug c/13428] gcc-avr doesn't work non-constant array references pinskia at gcc dot gnu dot org 2003-12-25 10:01 ` ken at realtronix dot net 2003-12-25 12:03 ` ken at realtronix dot net 2003-12-25 16:11 ` pinskia at gcc dot gnu dot org
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20031218064547.13428.ken@realtronix.net \ --to=gcc-bugzilla@gcc.gnu.org \ --cc=gcc-bugs@gcc.gnu.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox; as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).