URL:
<http://savannah.nongnu.org/bugs/?37951>
Summary: qsort will throw throws warning
Project: AVR C Runtime Library
Submitted by: gjlayde
Submitted on: Di 18 Dez 2012 13:07:20 GMT
Category: Library
Severity: 3 - Normal
Priority: 5 - Normal
Item Group: libc code
Status: None
Percent Complete: 0%
Assigned to: None
Originator Email:
Open/Closed: Open
Discussion Lock: Any
Release: 1.8.0
Fixed Release: None
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Details:
Building qsort (SVN 2303) throws following build warnings with
avr-gcc-4.8-trunk:
avr-gcc -DHAVE_CONFIG_H -I.
-I../../../../../source/avr-libc-1.8/avr/lib/avrxmega7 -I../../..
-I../../../../../source/avr-libc-1.8/common
-I../../../../../source/avr-libc-1.8/include -I../../../include -g -Wall -W
-Wstrict-prototypes -mmcu=avrxmega7 -D__COMPILING_AVR_LIBC__ -Os
-fno-jump-tables -MT qsort.o -MD -MP -MF .deps/qsort.Tpo -c -o qsort.o
../../../../../source/avr-libc-1.8/libc/stdlib/qsort.c
../../../../../source/avr-libc-1.8/libc/stdlib/qsort.c: In function 'qsort':
../../../../../source/avr-libc-1.8/libc/stdlib/qsort.c:37:24: warning:
comparison between signed and unsigned integer expressions [-Wsign-compare]
#define min(a, b) ((a) < (b) ? (a) : (b))
^
../../../../../source/avr-libc-1.8/libc/stdlib/qsort.c:140:6: note: in
expansion of macro 'min'
r = min(pd - pc, pn - pd - es);
^
../../../../../source/avr-libc-1.8/libc/stdlib/qsort.c:37:36: warning: signed
and unsigned type in conditional expression [-Wsign-compare]
#define min(a, b) ((a) < (b) ? (a) : (b))
^
../../../../../source/avr-libc-1.8/libc/stdlib/qsort.c:140:6: note: in
expansion of macro 'min'
r = min(pd - pc, pn - pd - es);
^
../../../../../source/avr-libc-1.8/libc/stdlib/qsort.c:142:20: warning:
comparison between signed and unsigned integer expressions [-Wsign-compare]
if ((r = pb - pa) > es)
^
../../../../../source/avr-libc-1.8/libc/stdlib/qsort.c:144:20: warning:
comparison between signed and unsigned integer expressions [-Wsign-compare]
if ((r = pd - pc) > es) {
^
_______________________________________________________
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