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authorEric Andersen <andersen@codepoet.org>2001-06-26 22:44:09 +0000
committerEric Andersen <andersen@codepoet.org>2001-06-26 22:44:09 +0000
commit91a6318d555eb96f48fb8c134d5499d2f61670a0 (patch)
tree05c79e83a0a31bfb96a3b06904dae4410a20ea65
parent5ef5614c31d26a87d9d92e97bed7df7993296682 (diff)
downloadbusybox-91a6318d555eb96f48fb8c134d5499d2f61670a0.tar.gz
Make it so we don't segfault when /proc isn't mounted -- guess pid 1...
-Erik
-rw-r--r--libbb/find_pid_by_name.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/libbb/find_pid_by_name.c b/libbb/find_pid_by_name.c
index ea1cba65b..f335e9c1f 100644
--- a/libbb/find_pid_by_name.c
+++ b/libbb/find_pid_by_name.c
@@ -137,6 +137,10 @@ extern pid_t* find_pid_by_name( char* pidName)
char buffer[READ_BUF_SIZE];
char name[READ_BUF_SIZE];
+ /* Must skip ".." since that is outside /proc */
+ if (strcmp(next->d_name, "..") == 0)
+ continue;
+
/* If it isn't a number, we don't want it */
if (!isdigit(*next->d_name))
continue;
@@ -161,6 +165,11 @@ extern pid_t* find_pid_by_name( char* pidName)
if (pidList)
pidList[i]=0;
+ else {
+ /* If we found nothing, guess PID 1 and call it good */
+ pidList=xrealloc( pidList, sizeof(pid_t));
+ pidList[0]=1;
+ }
return pidList;
}
#endif /* BB_FEATURE_USE_DEVPS_PATCH */