File 0463-ct_run.c-typer.c-dialyzer.c-Fix-memory-lea... of Package erlang

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File 0463-ct_run.c-typer.c-dialyzer.c-Fix-memory-leak-pointed-.patch of Package erlang

From 3050c8861577445a4e86b4770611e94947dbcbab Mon Sep 17 00:00:00 2001
From: Kjell Winblad <kjellwinblad@gmail.com>
Date: Wed, 17 Mar 2021 12:41:42 +0100
Subject: [PATCH 03/10] ct_run.c, typer.c, dialyzer.c: Fix memory leak pointed
 out by code_checker

---
 erts/etc/common/ct_run.c   | 5 +++--
 erts/etc/common/dialyzer.c | 7 +++++--
 erts/etc/common/typer.c    | 5 +++--
 3 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/erts/etc/common/ct_run.c b/erts/etc/common/ct_run.c
index efa7ac3493..b8551eaeaf 100644
--- a/erts/etc/common/ct_run.c
+++ b/erts/etc/common/ct_run.c
@@ -188,6 +188,7 @@ int main(int argc, char** argv)
     eargv = eargv_base;
     eargc = 0;
     push_words(emulator);
+    free(emulator);
     eargc_base = eargc;
     eargv = eargv + eargv_size/2;
     eargc = 0;
@@ -516,7 +517,7 @@ get_default_emulator(char* progname)
     char* s;
 
     if (strlen(progname) >= sizeof(sbuf))
-        return ERL_NAME;
+        return strsave(ERL_NAME);
 
     strcpy(sbuf, progname);
     for (s = sbuf+strlen(sbuf); s >= sbuf; s--) {
@@ -527,7 +528,7 @@ get_default_emulator(char* progname)
 	    break;
 	}
     }
-    return ERL_NAME;
+    return strsave(ERL_NAME);
 }
 
 #ifdef __WIN32__
diff --git a/erts/etc/common/dialyzer.c b/erts/etc/common/dialyzer.c
index 37e07878ff..ae16d0c32b 100644
--- a/erts/etc/common/dialyzer.c
+++ b/erts/etc/common/dialyzer.c
@@ -214,6 +214,9 @@ int main(int argc, char** argv)
     eargv = eargv_base;
     eargc = 0;
     push_words(emulator);
+    if (emulator != env) {
+        free(emulator);
+    }
     eargc_base = eargc;
     eargv = eargv + eargv_size/2;
     eargc = 0;
@@ -485,7 +488,7 @@ get_default_emulator(char* progname)
     char* s;
 
     if (strlen(progname) >= sizeof(sbuf))
-        return ERL_NAME;
+        return strsave(ERL_NAME);
 
     strcpy(sbuf, progname);
     for (s = sbuf+strlen(sbuf); s >= sbuf; s--) {
@@ -496,7 +499,7 @@ get_default_emulator(char* progname)
 	    break;
 	}
     }
-    return ERL_NAME;
+    return strsave(ERL_NAME);
 }
 
 #ifdef __WIN32__
diff --git a/erts/etc/common/typer.c b/erts/etc/common/typer.c
index f13135d883..c7af00bb46 100644
--- a/erts/etc/common/typer.c
+++ b/erts/etc/common/typer.c
@@ -163,6 +163,7 @@ main(int argc, char** argv)
     eargv = eargv_base;
     eargc = 0;
     push_words(emulator);
+    free(emulator);
     eargc_base = eargc;
     eargv = eargv + eargv_size/2;
     eargc = 0;
@@ -410,7 +411,7 @@ get_default_emulator(char* progname)
     char* s;
 
     if (strlen(progname) >= sizeof(sbuf))
-        return ERL_NAME;
+        return strsave(ERL_NAME);
 
     strcpy(sbuf, progname);
     for (s = sbuf+strlen(sbuf); s >= sbuf; s--) {
@@ -421,7 +422,7 @@ get_default_emulator(char* progname)
 	    break;
 	}
     }
-    return ERL_NAME;
+    return strsave(ERL_NAME);
 }
 
 #ifdef __WIN32__
-- 
2.26.2

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