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acme: fix mtpt crash (Tim Wiess)

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Russ Cox 2008-05-08 16:20:19 -04:00
parent a2660887c0
commit 5d32c407ba
1 changed files with 3 additions and 0 deletions
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3
src/cmd/acme/acme.c
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@ -1068,6 +1068,9 @@ ismtpt(char *file)
{ {
int n; int n;
if(mtpt == nil)
return 0;
/* This is not foolproof, but it will stop a lot of them. */ /* This is not foolproof, but it will stop a lot of them. */
n = strlen(mtpt); n = strlen(mtpt);
return strncmp(file, mtpt, n) == 0 && ((n > 0 && mtpt[n-1] == '/') || file[n] == '/' || file[n] == 0); return strncmp(file, mtpt, n) == 0 && ((n > 0 && mtpt[n-1] == '/') || file[n] == '/' || file[n] == 0);