mirrors
/
nnn
mirror of https://github.com/jarun/nnn.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Fix segfault when SHLVL env var is not available (#52)

This commit is contained in:
Vlad Glagolev 2017-10-08 00:02:29 -04:00 committed by Arun Prakash Jana
parent 8959a5b57d
commit d835f72c6c
1 changed files with 5 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
nnn.c
View File

@ -559,6 +559,7 @@ spawn(char *file, char *arg1, char *arg2, char *dir, uchar flag)
{
pid_t pid;
int status;
char *shlvl;
if (flag & F_NORMAL)
exitcurses();
@ -568,10 +569,12 @@ spawn(char *file, char *arg1, char *arg2, char *dir, uchar flag)
if (dir != NULL)
status = chdir(dir);
shlvl = getenv("SHLVL");
/* Show a marker (to indicate nnn spawned shell) */
if (flag & F_MARKER) {
if (flag & F_MARKER && shlvl != NULL) {
printf("\n +-++-++-+\n | n n n |\n +-++-++-+\n\n");
printf("Spawned shell level: %d\n", atoi(getenv("SHLVL")) + 1);
printf("Spawned shell level: %d\n", atoi(shlvl) + 1);
}
/* Suppress stdout and stderr */