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command.c: fix "alias" command crashing when no aliases were registered

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if we dont have aliases list how do we check the next alias in the list aswell?
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Alug 2025-12-07 20:40:30 +01:00 committed by NepDisk
parent d5a4ef0e52
commit 0f4cf9ff8c
1 changed files with 2 additions and 2 deletions
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4
src/command.c
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@ -750,7 +750,7 @@ static void COM_Alias_f(void)
CONS_Printf(M_GetText("All aliases that start with \x87'%s'\x80 are:\n"), begin);
int count = 0;
for (cmdalias_t *head = com_alias; head->next != NULL; head = head->next)
for (cmdalias_t *head = com_alias; head != NULL && head->next != NULL; head = head->next)
{
if (strncmp(begin, head->name, szBegin) == 0)
{
@ -771,7 +771,7 @@ static void COM_Alias_f(void)
/* Display alias subtext, show all aliases. */
CONS_Printf(M_GetText("alias <name> <command>: create a shortcut command that executes other command(s)\n"));
for (cmdalias_t *head = com_alias; head->next != NULL; head = head->next)
for (cmdalias_t *head = com_alias; head != NULL && head->next != NULL; head = head->next)
{
CONS_Printf(alias_format, head->name, head->value);
}