URL:
<http://gna.org/bugs/?15908>
Summary: Warning in ai/advdiplomacy.c (case label value is
less than minimum value for type)
Project: Freeciv
Submitted by: englabenny
Submitted on: söndag 2010-04-18 den 22:57
Category: ai
Severity: 2 - Minor
Priority: 1 - Later
Status: None
Assigned to: None
Originator Email:
Open/Closed: Open
Release: 2.2, trunk
Discussion Lock: Any
Operating System: None
Planned Release:
_______________________________________________________
Details:
There is a warning in 2.2 branch and trunk in ai/advdiplomacy.c
libtool: compile: gcc -DHAVE_CONFIG_H -I. -I.. -I../utility -I./../common
-I./../server -I../common/aicore -I../server/generator
-DLOCALEDIR=\"/usr/local/share/locale\"
"-DDEFAULT_DATA_PATH=\".:data:~/.freeciv/2.3:/usr/local/share/freeciv\""
-DDEFAULT_SAVES_PATH=\"\"
"-DDEFAULT_SCENARIO_PATH=\".:data/scenario:~/.freeciv/scenarios:/usr/local/share/freeciv/scenario\""
-Wall -Wpointer-arith -Wcast-align -Wmissing-prototypes -Wmissing-declarations
-Werror -g -O2 -MT advdiplomacy.lo -MD -MP -MF .deps/advdiplomacy.Tpo -c
advdiplomacy.c -o advdiplomacy.o
cc1: warnings being treated as errors
advdiplomacy.c: In function ‘ai_diplomacy_actions’:
advdiplomacy.c:1610: error: case label value is less than minimum value for
type
advdiplomacy.c:1617: error: case label value is less than minimum value for
type
make: *** [advdiplomacy.lo] Fel 1
The warning comes from a switch over a char variable:
switch (adip->ally_patience--) {
the cases for -1 and -2 emit warnings.
If I understand correctly, the minimum value for char is -128, so the warning
could be incorrect. Casting the switch variable to int removes the warning.
gcc version 4.4.3 20100108 (prerelease) (Debian 4.4.2-9)
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