https://bugzilla.novell.com/show_bug.cgi?id=767522 https://bugzilla.novell.com/show_bug.cgi?id=767522#c0 Summary: correct memset call results in "call to ‘__warn_memset_zero_len’ declared with attribute warning" message Classification: openSUSE Product: openSUSE 12.2 Version: Factory Platform: Other OS/Version: Other Status: NEW Severity: Minor Priority: P5 - None Component: Other AssignedTo: rguenther@suse.com ReportedBy: christian.morales.vega@gmail.com QAContact: qa-bugs@suse.de Found By: Community User Blocker: --- libmlt build log from multimedia:libs shows some warnings W: libmlt memset-with-zero-length filter_invert.c:62:10 W: libmlt memset-with-zero-length filter_resize.c:261:30 W: libmlt memset-with-zero-length filter_rotoscoping.c:237:11 W: libmlt memset-with-zero-length filter_rotoscoping.c:264:23 W: libmlt memset-with-zero-length filter_rotoscoping.c:414:31 W: libmlt memset-with-zero-length mlt_frame.c:527:12 W: libmlt memset-with-zero-length mlt_frame.c:535:12 W: libmlt memset-with-zero-length mlt_frame.c:553:12 W: libmlt memset-with-zero-length mlt_frame.c:584:10 W: libmlt memset-with-zero-length producer_colour.c:220:9 W: libmlt memset-with-zero-length transition_composite.c:1243:11 W: libmlt memset-with-zero-length transition_composite.c:1246:11 That don't seem to make sense (for reference use mlt_frame.c...) Even this basic case: ------------------------------------------------------------------ #include #include #include void test_function( char **buffer, int *width, int *height) { *width = 10; *height = 12; int size = *width * *height; printf("%d\n", size); *buffer = malloc( size ); memset( *buffer, 255, size ); } int main() { char *buff; int a = 10; int b = 20; test_function(&buff, &a, &b); return 0; } ------------------------------------------------------------------ results in In file included from /usr/include/string.h:642:0, from /var/tmp/build-root/test.c:2: In function ‘memset’, inlined from ‘test_function’ at /var/tmp/build-root/test.c:12:9: /usr/include/bits/string3.h:82:30: warning: call to ‘__warn_memset_zero_len’ declared with attribute warning: memset used with constant zero length parameter; this could be due to transposed parameters [enabled by default] (the output, when run, is 120) In both 12.1 and Factory. If I compile it with: gcc -D_FORTIFY_SOURCE=2 -O1 -fno-tree-dominator-opts -o test test.c Not sure if the code generated for libmlt is actually valid... -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.