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authorMichael Biebl <biebl@debian.org>2020-10-05 22:27:18 +0200
committerMichael Biebl <biebl@debian.org>2020-10-05 22:27:18 +0200
commitaafc1dbe4712c86189bbc1d4d54ad8cb4c69be7e (patch)
treea2a9bb4d007339a0b1304540388230ccedac32bd /shared/systemd/src/basic/process-util.h
parente7b44ef4c80907346ec7492a09c45277459924fc (diff)
New upstream version 1.27.90 upstream/1.27.90
Diffstat (limited to 'shared/systemd/src/basic/process-util.h')
-rw-r--r--shared/systemd/src/basic/process-util.h12
1 files changed, 7 insertions, 5 deletions
diff --git a/shared/systemd/src/basic/process-util.h b/shared/systemd/src/basic/process-util.h
index 05012377..314a8de1 100644
--- a/shared/systemd/src/basic/process-util.h
+++ b/shared/systemd/src/basic/process-util.h
@@ -20,14 +20,16 @@
 #define procfs_file_alloca(pid, field)                                  \
         ({                                                              \
                 pid_t _pid_ = (pid);                                    \
-                const char *_r_;                                        \
+                const char *_field_ = (field);                          \
+                char *_r_;                                              \
                 if (_pid_ == 0) {                                       \
-                        _r_ = ("/proc/self/" field);                    \
+                        _r_ = newa(char, STRLEN("/proc/self/") + strlen(_field_) + 1); \
+                        strcpy(stpcpy(_r_, "/proc/self/"), _field_);    \
                 } else {                                                \
-                        _r_ = newa(char, STRLEN("/proc/") + DECIMAL_STR_MAX(pid_t) + 1 + sizeof(field)); \
-                        sprintf((char*) _r_, "/proc/"PID_FMT"/" field, _pid_); \
+                        _r_ = newa(char, STRLEN("/proc/") + DECIMAL_STR_MAX(pid_t) + 1 + strlen(_field_) + 1); \
+                        sprintf(_r_, "/proc/" PID_FMT "/%s", _pid_, _field_); \
                 }                                                       \
-                _r_;                                                    \
+                (const char*) _r_;                                      \
         })
 
 typedef enum ProcessCmdlineFlags {