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Cygwin: spawnvp, spawnvpe: fail if executable is not in $PATH 

Call find_exec with the FE_NNF flag to enforce a NULL return when the
executable isn't found in $PATH.  Convert NULL to "".  This aligns
spawnvp and spawnvpe with execvp and execvpe.
This commit is contained in:
Ken Brown 2019-10-09 20:06:02 +00:00
parent 43d7f33e2c
commit b61dc22ada
2 changed files with 9 additions and 3 deletions
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3
winsup/cygwin/release/3.1.0
View File

@ -91,3 +91,6 @@ Bug Fixes
- If the argument to mkdir(2) or rmdir(2) is 'x:\', don't strip the
trailing backslash.
Addresses: https://cygwin.com/ml/cygwin/2019-08/msg00334.html
- Make spawnvp, spawnvpe fail if the executable is not in $PATH.
Addresses: https://cygwin.com/ml/cygwin/2019-10/msg00032.html

9
winsup/cygwin/spawn.cc
View File

@ -1081,8 +1081,9 @@ extern "C" int
spawnvp (int mode, const char *file, const char * const *argv)
{
path_conv buf;
return spawnve (mode | _P_PATH_TYPE_EXEC, find_exec (file, buf), argv,
cur_environ ());
return spawnve (mode | _P_PATH_TYPE_EXEC,
find_exec (file, buf, "PATH", FE_NNF) ?: "",
argv, cur_environ ());
}
extern "C" int
@ -1090,7 +1091,9 @@ spawnvpe (int mode, const char *file, const char * const *argv,
const char * const *envp)
{
path_conv buf;
return spawnve (mode | _P_PATH_TYPE_EXEC, find_exec (file, buf), argv, envp);
return spawnve (mode | _P_PATH_TYPE_EXEC,
find_exec (file, buf, "PATH", FE_NNF) ?: "",
argv, envp);
}
int