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fix potential overflow on env vars settings.

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changing a bit Q_strlcpy flow as it can report wrong bytes copied
if src > buffer size.
This commit is contained in:
David CARLIER 2023-05-14 09:23:51 +01:00
parent e0dd7c9d00
commit 07553f0980
1 changed files with 4 additions and 4 deletions
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8
src/client/cl_main.c
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@ -270,13 +270,13 @@ CL_Setenv_f(void)
char buffer[1000];
int i;
strcpy(buffer, Cmd_Argv(1));
strcat(buffer, "=");
Q_strlcpy(buffer, Cmd_Argv(1), sizeof(buffer));
Q_strlcat(buffer, "=", sizeof(buffer));
for (i = 2; i < argc; i++)
{
strcat(buffer, Cmd_Argv(i));
strcat(buffer, " ");
Q_strlcat(buffer, Cmd_Argv(i), sizeof(buffer));
Q_strlcat(buffer, " ", sizeof(buffer));
}
putenv(buffer);