* [COMMITTED] support: Fix support_process_state_wait path size calculation
@ 2022-03-23 18:32 Adhemerval Zanella
0 siblings, 0 replies; only message in thread
From: Adhemerval Zanella @ 2022-03-23 18:32 UTC (permalink / raw)
To: libc-alpha
Use INT_STRLEN_BOUND to proper get the maximum pid_t size. Also
fix the wrong calculation (the 3 should multiply the sizeof (pid_t)).
Checked on x86_64-linux-gnu.
---
support/support_process_state.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/support/support_process_state.c b/support/support_process_state.c
index 0dc608b468..ca86dc11e6 100644
--- a/support/support_process_state.c
+++ b/support/support_process_state.c
@@ -21,6 +21,7 @@
#include <string.h>
#include <array_length.h>
+#include <intprops.h>
#include <support/process_state.h>
#include <support/xstdio.h>
@@ -49,7 +50,7 @@ support_process_state_wait (pid_t pid, enum support_process_state state)
{ support_process_state_parked, 'P' },
};
- char spath[sizeof ("/proc/" + 3) * sizeof (pid_t) + sizeof ("/status") + 1];
+ char spath[sizeof ("/proc/") + INT_STRLEN_BOUND (pid_t) + sizeof ("/status") + 1];
snprintf (spath, sizeof (spath), "/proc/%i/status", pid);
FILE *fstatus = xfopen (spath, "r");
--
2.32.0
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2022-03-23 18:32 [COMMITTED] support: Fix support_process_state_wait path size calculation Adhemerval Zanella
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