Bananymous
/
banan-os
1
1
Fork 1
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

LibC: make execvp fail if no executable found

This commit is contained in:
Bananymous 2023-12-19 10:28:15 +02:00
parent f46240e879
commit 5edbb1d5c4
1 changed files with 11 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
libc/unistd.cpp
View File

@ -183,7 +183,7 @@ int execve(const char* pathname, char* const argv[], char* const envp[])
int execvp(const char* file, char* const argv[]) int execvp(const char* file, char* const argv[])
{ {
char buffer[1024]; char buffer[1024];
const char* pathname = file; const char* pathname = NULL;
// do path resolution if file doesn't contain / // do path resolution if file doesn't contain /
if (strchr(file, '/') == nullptr) if (strchr(file, '/') == nullptr)
@ -218,6 +218,16 @@ int execvp(const char* file, char* const argv[])
cur++; cur++;
} }
} }
else
{
pathname = file;
}
if (!pathname)
{
errno = ENOENT;
return -1;
}
return execve(pathname, argv, environ); return execve(pathname, argv, environ);
} }