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// BarryServer : Git / OrionLibC / commit / 03048a95d88cc7a78171393371f5c22a0250a014 / unistd / execve.c

// Related

OrionLibC

Barry Importing existing Orion LibC 03048a9 (2 years, 2 months ago)
diff --git a/unistd/execve.c b/unistd/execve.c
new file mode 100644
index 0000000..6fcf69f
--- /dev/null
+++ b/unistd/execve.c
@@ -0,0 +1,32 @@
+#include <stddef.h>
+#include <sys/syscall.h>
+#include <errno.h>
+
+/* Execute a binary with the specified arguments and environment */
+int
+execve(const char *path, char *argv[], char *envp[])
+{
+	struct {
+		const char *path;
+		char **argv, **envp;
+	} args;
+	args.path = path;
+	args.argv = argv;
+	args.envp = envp;
+
+	int ret;
+	asm volatile("int $0x80" : "=a" (ret) : "0" (SYSCALL_EXECVE),
+	             "c" (3), "S" (&args));
+
+	if (ret >= 0)
+		return ret;
+	errno = -ret;
+	return -1;
+}
+
+/* Execute a binary with the specified arguments */
+int
+execv(const char *path, char *argv[])
+{
+	return execve(path, argv, NULL); /* FIXME: environment */
+}