[PATCH v2 07/11] linux-user: simplify is_proc_myself

[YAMAMOTO Takashi <yamamoto@midokura.com>]

Signed-off-by: YAMAMOTO Takashi <yamamoto@midokura.com>
---
 linux-user/syscall.c | 23 +++--------------------
 1 file changed, 3 insertions(+), 20 deletions(-)

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 999760448d..86b12cc8b4 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -8027,26 +8027,9 @@ static int is_proc_file(const char *filename, int *pidp, const char *entry)
 
 static int is_proc_myself(const char *filename, const char *entry)
 {
-    if (!strncmp(filename, "/proc/", strlen("/proc/"))) {
-        filename += strlen("/proc/");
-        if (!strncmp(filename, "self/", strlen("self/"))) {
-            filename += strlen("self/");
-        } else if (*filename >= '1' && *filename <= '9') {
-            char myself[80];
-            snprintf(myself, sizeof(myself), "%d/", getpid());
-            if (!strncmp(filename, myself, strlen(myself))) {
-                filename += strlen(myself);
-            } else {
-                return 0;
-            }
-        } else {
-            return 0;
-        }
-        if (!strcmp(filename, entry)) {
-            return 1;
-        }
-    }
-    return 0;
+    int pid;
+
+    return is_proc_file(filename, &pid, entry) && pid == getpid();
 }
 
 #if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN) || \
-- 
2.21.1 (Apple Git-122.3)