linrrzqqq commented on code in PR #67312:
URL: https://github.com/apache/doris/pull/67312#discussion_r3887289354
##########
be/src/glibc-compatibility/musl/execvpe.c:
##########
@@ -0,0 +1,55 @@
+#include <errno.h>
+#include <limits.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+static char* strchrnul_compat(const char* str, int ch) {
+ const char* found = strchr(str, ch);
+ return (char*)(found ? found : str + strlen(str));
+}
+
+int __execvpe(const char* file, char* const argv[], char* const envp[]) {
+ const char* path = getenv("PATH");
+ int seen_eacces = 0;
+
+ errno = ENOENT;
+ if (!*file) return -1;
+ if (strchr(file, '/')) return execve(file, argv, envp);
+ if (!path) path = "/usr/local/bin:/bin:/usr/bin";
+
+ size_t file_len = strnlen(file, NAME_MAX + 1);
+ if (file_len > NAME_MAX) {
+ errno = ENAMETOOLONG;
+ return -1;
+ }
+ size_t path_len = strnlen(path, PATH_MAX - 1) + 1;
+
+ const char* cursor;
+ const char* end;
+ for (cursor = path;; cursor = end) {
+ char candidate[path_len + file_len + 1];
Review Comment:
fork from
https://github.com/amosbird/ldb_toolchain_gen/blob/v0.27/glibc-compatibility/glibc-compatibility.c#L187-L427
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