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util/u_process: implement util_get_command_line for BSDs

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Acked-by: David Heidelberg <david.heidelberg@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21052>
This commit is contained in:
Jan Beich 2023-02-01 23:09:57 +00:00 • committed by Marge Bot
parent 923758a5c2
commit 8bc78e8eb9
1 changed files with 27 additions and 1 deletions
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28
src/util/u_process.c
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@ -43,7 +43,7 @@
#include <mach-o/dyld.h>
#endif
#if DETECT_OS_FREEBSD
#if DETECT_OS_BSD
#include <sys/types.h>
#include <sys/sysctl.h>
#endif
@ -288,6 +288,32 @@ util_get_command_line(char *cmdline, size_t size)
close(f);
return true;
}
#elif DETECT_OS_BSD
int mib[] = {
CTL_KERN,
#if DETECT_OS_NETBSD || DETECT_OS_OPENBSD
KERN_PROC_ARGS,
getpid(),
KERN_PROC_ARGV,
#else
KERN_PROC,
KERN_PROC_ARGS,
getpid(),
#endif
};
/* Like /proc/pid/cmdline each argument is separated by NUL byte */
if (sysctl(mib, ARRAY_SIZE(mib), cmdline, &size, NULL, 0) == -1) {
return false;
}
/* Replace NUL with space except terminating NUL */
for (size_t i = 0; i < (size - 1); i++) {
if (cmdline[i] == '\0')
cmdline[i] = ' ';
}
return true;
#endif
/* XXX to-do: implement this function for other operating systems */