process-util: introduce procfs_file_get_field() wrapper

which combines procfs_file_alloca() and get_proc_field()
2025-05-01 13:10:26 +09:00
parent 3589d6c01f
commit 5fd63a5a5e
1 changed files with 5 additions and 0 deletions
@@ -13,6 +13,7 @@

 #include "alloc-util.h"
 #include "assert-util.h"
+#include "fileio.h"
 #include "format-util.h"
 #include "macro.h"
 #include "pidref.h"
@@ -33,6 +34,10 @@
                (const char*) _r_;                                      \
        })

+static inline int procfs_file_get_field(pid_t pid, const char *name, const char *key, char **ret) {
+        return get_proc_field(procfs_file_alloca(pid, name), key, ret);
+}
+
 typedef enum ProcessCmdlineFlags {
        PROCESS_CMDLINE_COMM_FALLBACK = 1 << 0,
        PROCESS_CMDLINE_USE_LOCALE    = 1 << 1,