return st.st_mode & S_IXUSR;
}
+/*
+ * Search $PATH for a command. This emulates the path search that
+ * execvp would perform, without actually executing the command so it
+ * can be used before fork() to prepare to run a command using
+ * execve() or after execvp() to diagnose why it failed.
+ *
+ * The caller should ensure that file contains no directory
+ * separators.
+ *
+ * Returns the path to the command, as found in $PATH or NULL if the
+ * command could not be found. The caller inherits ownership of the memory
+ * used to store the resultant path.
+ *
+ * This should not be used on Windows, where the $PATH search rules
+ * are more complicated (e.g., a search for "foo" should find
+ * "foo.exe").
+ */
static char *locate_in_PATH(const char *file)
{
const char *p = getenv("PATH");
}
strbuf_addstr(&buf, file);
- if (!access(buf.buf, F_OK))
+ if (is_executable(buf.buf))
return strbuf_detach(&buf, NULL);
if (!*end)
}
/* Create an array of 'char *' to be used as the childenv */
- childenv = xmalloc((env.nr + 1) * sizeof(char *));
+ ALLOC_ARRAY(childenv, env.nr + 1);
for (i = 0; i < env.nr; i++)
childenv[i] = env.items[i].util;
childenv[env.nr] = NULL;
if (start_command(&pp->children[i].process)) {
code = pp->start_failure(&pp->children[i].err,
pp->data,
- &pp->children[i].data);
+ pp->children[i].data);
strbuf_addbuf(&pp->buffered_output, &pp->children[i].err);
strbuf_reset(&pp->children[i].err);
if (code)
code = pp->task_finished(code,
&pp->children[i].err, pp->data,
- &pp->children[i].data);
+ pp->children[i].data);
if (code)
result = code;