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put-u8: Always write a single byte, regardless of the port encoding.

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Previously, 'put-u8' used textual I/O to write a single character,
relying on the usual practice of setting the port encoding to ISO-8859-1
for binary ports.

* libguile/r6rs-ports.c (scm_put_u8): Use 'scm_c_write', not 'scm_putc'.
This commit is contained in:
Mark H Weaver 2019-05-01 05:20:36 -04:00 • committed by Andy Wingo
parent a3a726c868
commit 2bfa4f73f1
1 changed files with 1 additions and 1 deletions
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2
libguile/r6rs-ports.c
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@ -578,7 +578,7 @@ SCM_DEFINE (scm_put_u8, "put-u8", 2, 0, 0,
SCM_VALIDATE_BINARY_OUTPUT_PORT (1, port);
c_octet = scm_to_uint8 (octet);
scm_putc ((char) c_octet, port);
scm_c_write (port, &c_octet, 1);
return SCM_UNSPECIFIED;
}