pidof: support "pidof /path/to/binary" case

function                                             old     new   delta
find_pid_by_name                                     230     227      -3

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 5 insertions, 1 deletions

diff --git a/libbb/find_pid_by_name.c b/libbb/find_pid_by_name.c
index abbf293e8..fe13f7211 100644
--- a/libbb/find_pid_by_name.c
+++ b/libbb/find_pid_by_name.c
@@ -90,7 +90,11 @@ pid_t* FAST_FUNC find_pid_by_name(const char *procName)
                 /* or we require argv0 to match (essential for matching reexeced /proc/self/exe)*/
                  || (p->argv0 && strcmp(bb_basename(p->argv0), procName) == 0)
                 /* or we require /proc/PID/exe link to match */
-                 || (p->exe && strcmp(bb_basename(p->exe), procName) == 0)
+                 || (p->exe && strcmp(
+                                        procName[0] == '/' ? p->exe /* support "pidof /path/to/binary" case too */
+                                                        : bb_basename(p->exe),
+                                        procName
+                                        ) == 0)
                 ) {
                         pidList = xrealloc_vector(pidList, 2, i);
                         pidList[i++] = p->pid;