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Do not use the command if the kernel didn't return the full size.

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This commit is contained in:
Nicholas Marriott
2020-04-15 13:04:20 +01:00
parent 533c5ee7ad
commit c2c9b77f14
1 changed files with 1 additions and 1 deletions
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2
osdep-darwin.c
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@ -61,7 +61,7 @@ osdep_get_name(int fd, __unused char *tty)
size = sizeof kp; size = sizeof kp;
if (sysctl(mib, 4, &kp, &size, NULL, 0) == -1) if (sysctl(mib, 4, &kp, &size, NULL, 0) == -1)
return (NULL); return (NULL);
if (*kp.kp_proc.p_comm == '\0') if (size != (sizeof kp) || *kp.kp_proc.p_comm == '\0')
return (NULL); return (NULL);
return (strdup(kp.kp_proc.p_comm)); return (strdup(kp.kp_proc.p_comm));