*** /dev/null Tue May 14 11:52:10 2024
--- - Tue May 14 11:52:52 2024
***************
*** 0 ****
--- 1,66 ----
+ #include <stdio.h>
+ #include <unistd.h>
+ #include <string.h>
+ #include <errno.h>
+ #include <xds.h>
+
+ static void error_exit(int rc, const char* msg, ...)
+ {
+ va_list args;
+ va_start(args, msg);
+ vfprintf(stderr, msg, args);
+ va_end(args);
+ exit(rc);
+ }
+
+ int main()
+ {
+ xds_t* xds;
+ char buffer[1024];
+ size_t buffer_len;
+ int rc;
+
+ xds_int32_t int32;
+ xds_uint32_t uint32;
+ char* string;
+
+ buffer_len = 0;
+ do
+ {
+ rc = read(STDIN_FILENO, buffer + buffer_len, sizeof(buffer) - buffer_len);
+ if (rc < 0)
+ error_exit(1, "read() failed: %s\n", strerror(errno));
+ else if (rc > 0)
+ buffer_len += rc;
+ }
+ while (rc > 0 && buffer_len < sizeof(buffer));
+
+ if (buffer_len >= sizeof(buffer))
+ error_exit(1, "Too much input data for our buffer.\n");
+
+ xds = xds_init(XDS_DECODE);
+ if (xds == NULL)
+ error_exit(1, "Failed to initialize XDS context: %s\n", strerror(errno));
+
+ if (xds_register(xds, "int32", &xdr_decode_int32, NULL) != XDS_OK ||
+ xds_register(xds, "uint32", &xdr_decode_uint32, NULL) != XDS_OK ||
+ xds_register(xds, "string", &xdr_decode_string, NULL) != XDS_OK)
+ error_exit(1, "Failed to register my decoding engines!\n");
+
+ if (xds_setbuffer(xds, XDS_LOAN, buffer, buffer_len) != XDS_OK)
+ error_exit(1, "setbuffer() failed.\n");
+
+ if (xds_decode(xds, "int32 uint32 string", &int32, &uint32, &string) != XDS_OK)
+ error_exit(1, "xds_decode() failed!\n");
+
+ xds_destroy(xds);
+
+ fprintf(stderr, "Decoded data:\n");
+ fprintf(stderr, "\tint32 = %d\n", int32);
+ fprintf(stderr, "\tuint32 = 0x%x\n", uint32);
+ fprintf(stderr, "\tstring = \"%s\"\n", string);
+
+ free(string);
+
+ return 0;
+ }
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