Uninitialized variable in read_channels_config()

clif.c:[code=auto:0]if( !strstr(irc_server,":") ) { hChSys.irc = false; ShowWarning("channels.conf : network port wasn't found in 'irc_channel_network', disabling irc channel...\n"); } else { unsigned char d = 0, dlen = strlen(irc_server); char server[40]; for(d = 0; d < dlen; d++) { if(irc_server[d] == ':') { memcpy(server, irc_server, d); safestrncpy(hChSys.irc_server, server, 40); memcpy(server, &irc_server[d+1], dlen); hChSys.irc_server_port = atoi(server); break; } } } [/code]The [font=Courier]server[40][/font] variable is uninitialized, and as such - according to the C specs - it main contain garbage (specifically, after the [font=Courier]memcpy(server, irc_server, d)[/font] instruction, the string may not be NULL-terminated), causing issues such as the following, depending on the compiler used:[code=auto:0][29/May 03:24][Status]: Done reading '60' command aliases in 'conf/atcommand.conf'. [29/May 03:24][Status]: Done reading '4' channels in 'conf/channels.conf'. [29/May 03:24][Error]: Unable to resolve 'irc.rizon.net^5C' (irc server), disabling irc channel... {snip} ^C Program received signal SIGINT, Interrupt. Error0xb7fdf424 in __kernel_vsyscall () (gdb) print hChSys$1 = {colors = 0xb79f61f4, colors_name = 0xb79f6244, colors_count = 13 '\r', local = 1 '\001', ally = 1 '\001', irc = 0 '\000', local_autojoin = 1 '\001', ally_autojoin = 1 '\001', local_name = "map", '\000' <repeats 16 times>, ally_name = "ally", '\000' <repeats 15 times>, irc_name = "irc", '\000' <repeats 16 times>, local_color = 3 '\003', ally_color = 5 '\005', irc_color = 11 '\v', closing = 0 '\000', allow_user_channel_creation = 0 '\000', irc_server = "irc.rizon.net\210!\b\020^!\b5C", '\000' <repeats 17 times>, irc_channel = "#PRIVATE\000\000\000\000\000\000\000\000\000\000\000", irc_nick = "PRIVATE", '\000' <repeats 22 times>, irc_nick_pw = "PRIVATE", '\000' <repeats 22 times>, irc_server_port = 6667}[/code]While Apple's llvm-gcc and clang automatically initialize such variables, gcc doesn't.

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For reference:[code=auto_linen:0]/** test.c **/ #include <stdio.h> #include <string.h> int main() { int i; char uninitialized[16]; char initialized[16]; memset(initialized, '\0', 16); printf("Uninitialized: "); for (i = 0; i < 16; i++) printf("x ", uninitialized[i]&0xff); printf("\n"); printf("Initialized: "); for (i = 0; i < 16; i++) printf("x ", initialized[i]&0xff); printf("\n"); return 0; }[/code][code=auto_linen:0]* haru@serenity ~ $ gcc --version | head -n 1 && gcc -o test test.c && ./test gcc (Gentoo 4.6.3 p1.13, pie-0.5.2) 4.6.3 Uninitialized: 05 35 60 b7 e0 62 77 b7 00 00 00 00 2b 85 04 08 Initialized: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00[/code][code=auto_linen:0]* haru@ks211459 ~ $ gcc --version | head -n 1 && gcc -o test test.c && ./test gcc (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3 Uninitialized: ff b0 f0 00 00 00 00 00 a0 06 40 00 00 00 00 00 Initialized: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00[/code][code=auto_linen:0]• haru@Freya ~ $ gcc --version | head -n 1 && gcc -o test test.c && ./test i686-apple-darwin11-llvm-gcc-4.2 (GCC) 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2336.11.00) Uninitialized: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Initialized: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00[/code][code=auto_linen:0]• haru@Freya ~ $ clang --version && clang -o test test.c && ./test Apple LLVM version 4.2 (clang-425.0.27) (based on LLVM 3.2svn) Target: x86_64-apple-darwin12.3.0 Thread model: posix Uninitialized: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Initialized: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00[/code][/spoiler]