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Fix buffer overflow in SendHelperMessage()

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The following fixes a buffer overflow in SendHelperMessage() which i
started seeing recently on x64.
This commit is contained in:
Tamas TEVESZ
2008-12-24 14:10:33 +01:00
committed by Carlos R. Mafra
parent 38074e7bd5
commit e2b6a85e80
1 changed files with 1 additions and 1 deletions
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2
src/misc.c
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@@ -1139,7 +1139,7 @@ SendHelperMessage(WScreen *scr, char type, int workspace, char *msg)
len = (msg ? strlen(msg) : 0) + (workspace >=0 ? 4 : 0) + 1 ; len = (msg ? strlen(msg) : 0) + (workspace >=0 ? 4 : 0) + 1 ;
buffer = wmalloc(len+5); buffer = wmalloc(len+5);
snprintf(buf, len, "%4i", len); snprintf(buf, sizeof(buf), "%4i", len);
memcpy(buffer, buf, 4); memcpy(buffer, buf, 4);
buffer[4] = type; buffer[4] = type;
i = 5; i = 5;