3 files changed, 30 insertions, 20 deletions

diff --git a/src/unistd/exec.c b/src/unistd/exec.c
index 70b54f6..0b76259 100644
--- a/src/unistd/exec.c
+++ b/src/unistd/exec.c
@@ -21,6 +21,9 @@
 #include <alloca.h>
 #include <string.h>
 #include <stdlib.h>
+/* TODO temporary contants from other headers { */
+#define _CS_PATH 1
+/* } */
 
 
 
@@ -114,8 +117,8 @@ int execlp(const char* file, ... /*, NULL */)
 {
   int saved_errno;
   va_list argv;
-  va_start(argv, path);
-  vexec(path, argv, 0, 1);
+  va_start(argv, file);
+  vexec(file, argv, 0, 1);
   saved_errno = errno;
   va_end(argv);
   return errno = saved_errno, -1;
@@ -180,8 +183,8 @@ int execlpe(const char* file, ... /*, NULL, char* const envp[] */)
 {
   int saved_errno;
   va_list argv;
-  va_start(argv, path);
-  vexec(path, argv, 1, 1);
+  va_start(argv, file);
+  vexec(file, argv, 1, 1);
   saved_errno = errno;
   va_end(argv);
   return errno = saved_errno, -1;
@@ -236,7 +239,7 @@ int execv(const char* path, char* const argv[])
  */
 int execvp(const char* file, char* const argv[])
 {
-  return execvpe(path, argv, environ);
+  return execvpe(file, argv, environ);
 }
 
 
@@ -265,7 +268,7 @@ int execvp(const char* file, char* const argv[])
 int execve(const char* path, char* const argv[], char* const envp[])
 {
   return errno = ENOTSUP, -1;
-  (void) path, (void) argv, (void) enpv;
+  (void) path, (void) argv, (void) envp;
   /* TODO implement execve */
 }
 
@@ -314,7 +317,7 @@ int execvpe(const char* file, char* const argv[], char* const envp[])
   if (!*file)
     return errno = ENOENT, -1;
   
-  path = getenv(PATH);
+  path = getenv("PATH");
   if (path == NULL)
     {
       if ((len = confstr(_CS_PATH, NULL, 0)))
@@ -352,7 +355,7 @@ int execvpe(const char* file, char* const argv[], char* const envp[])
   
   free(path);
   free(pathname);
-  return errno = (eaccess ? EACCES : ENOENT), -1;
+  return errno = (eacces ? EACCES : ENOENT), -1;
   
  fail:
   saved_errno = errno;
diff --git a/src/unistd/execat.c b/src/unistd/execat.c
index a90fffb..bcff176 100644
--- a/src/unistd/execat.c
+++ b/src/unistd/execat.c
@@ -22,8 +22,15 @@
 #include <string.h>
 #include <stdlib.h>
 #include <stdio.h>
-#include <sys/types.h>
-#include <sys/stat.h>
+/* TODO #include <sys/types.h> */
+/* TODO #include <sys/stat.h> */
+/* TODO temporary contants/structs from other headers { */
+#define AT_FDCWD 1
+#define AT_EMPTY_PATH 1
+#define AT_SYMLINK_NOFOLLOW 1
+#define _CS_PATH 1
+struct stat { int st_mode; };
+/* } */
 
 
 
@@ -150,8 +157,8 @@ int execlpat(int dirfd, const char* file, ... /*, NULL, int flags */)
 {
   int saved_errno;
   va_list argv;
-  va_start(argv, path);
-  vexecat(dirfd, path, argv, 0, 1);
+  va_start(argv, file);
+  vexecat(dirfd, file, argv, 0, 1);
   saved_errno = errno;
   va_end(argv);
   return errno = saved_errno, -1;
@@ -244,8 +251,8 @@ int execlpeat(int dirfd, const char* file, ... /*, NULL, char* const[] envp, int
 {
   int saved_errno;
   va_list argv;
-  va_start(argv, path);
-  vexecat(dirfd, path, argv, 1, 1);
+  va_start(argv, file);
+  vexecat(dirfd, file, argv, 1, 1);
   saved_errno = errno;
   va_end(argv);
   return errno = saved_errno, -1;
@@ -330,7 +337,7 @@ int execvat(int dirfd, const char* path, char* const argv[], int flags)
  */
 int execvpat(int dirfd, const char* file, char* const argv[], int flags)
 {
-  return execvpe(dirfd, path, argv, environ, flags);
+  return execvpeat(dirfd, file, argv, environ, flags);
 }
 
 
@@ -452,7 +459,7 @@ int execvpeat(int dirfd, const char* file, char* const argv[], char* const envp[
   if (strchr(file, '/') || !*file)
     return execveat(dirfd, file, argv, envp, flags);
   
-  path = getenv(PATH);
+  path = getenv("PATH");
   if (path == NULL)
     {
       execveat(dirfd, file, argv, envp, flags);
@@ -494,7 +501,7 @@ int execvpeat(int dirfd, const char* file, char* const argv[], char* const envp[
   
   free(path);
   free(pathname);
-  return errno = (eaccess ? EACCES : ENOENT), -1;
+  return errno = (eacces ? EACCES : ENOENT), -1;
   
  fail:
   saved_errno = errno;
diff --git a/src/unistd/fexec.c b/src/unistd/fexec.c
index bf2c392..7a8d4f5 100644
--- a/src/unistd/fexec.c
+++ b/src/unistd/fexec.c
@@ -40,7 +40,7 @@ extern char** environ;
  * 
  * @throws              Any error specified for execve(2).
  */
-static void vexec(int fd, va_list argv, int fetch_envp)
+static void vfexec(int fd, va_list argv, int fetch_envp)
 {
   char* const* envp = environ;
   size_t n = 0, i;
@@ -84,7 +84,7 @@ int fexecl(int fd, ... /*, NULL */)
 {
   int saved_errno;
   va_list argv;
-  va_start(argv, path);
+  va_start(argv, fd);
   vfexec(fd, argv, 0);
   saved_errno = errno;
   va_end(argv);
@@ -116,7 +116,7 @@ int fexecle(int fd, ... /*, NULL, char* const envp[] */)
 {
   int saved_errno;
   va_list argv;
-  va_start(argv, path);
+  va_start(argv, fd);
   vfexec(fd, argv, 1);
   saved_errno = errno;
   va_end(argv);