34 lines
998 B
Diff
34 lines
998 B
Diff
diff --git a/Src/exec.c b/Src/exec.c
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index 27bca11..baea760 100644
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--- a/Src/exec.c
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+++ b/Src/exec.c
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@@ -507,7 +507,9 @@ zexecve(char *pth, char **argv, char **newenvp)
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{
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int eno;
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static char buf[PATH_MAX * 2+1];
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- char **eep;
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+ char **eep, **exec_argv;
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+ char *orig_pth = pth;
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+ char *exec_wrapper;
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unmetafy(pth, NULL);
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for (eep = argv; *eep; eep++)
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@@ -526,8 +528,17 @@ zexecve(char *pth, char **argv, char **newenvp)
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if (newenvp == NULL)
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newenvp = environ;
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+ exec_argv = argv;
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+ if ((exec_wrapper = getenv("EXEC_WRAPPER")) &&
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+ *exec_wrapper && !inblank(*exec_wrapper)) {
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+ exec_argv = argv - 2;
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+ exec_argv[0] = exec_wrapper;
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+ exec_argv[1] = orig_pth;
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+ pth = exec_wrapper;
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+ }
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winch_unblock();
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- execve(pth, argv, newenvp);
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+ execve(pth, exec_argv, newenvp);
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+ pth = orig_pth;
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/* If the execve returns (which in general shouldn't happen), *
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* then check for an errno equal to ENOEXEC. This errno is set *
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