mirror of https://gerrit.osmocom.org/libtelnet
add printf data sender
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ceeeddaff3
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17
libtelnet.c
17
libtelnet.c
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@ -855,3 +855,20 @@ void libtelnet_begin_compress2(libtelnet_t *telnet) {
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_event(telnet, LIBTELNET_EV_COMPRESS, 1, 0, 0, 0);
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#endif /* HAVE_ZLIB */
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}
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/* send formatted data through libtelnet_send_data */
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int libtelnet_send_printf(libtelnet_t *telnet, const char *fmt, ...) {
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char buffer[4096];
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va_list va;
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int rs;
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/* format */
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va_start(va, fmt);
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rs = vsnprintf(buffer, sizeof(buffer), fmt, va);
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va_end(va);
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/* send */
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libtelnet_send_data(telnet, (unsigned char *)buffer, rs);
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return rs;
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}
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@ -228,4 +228,13 @@ extern void libtelnet_send_subnegotiation(libtelnet_t *telnet,
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/* begin sending compressed data (server only) */
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extern void libtelnet_begin_compress2(libtelnet_t *telnet);
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/* send formatted data (through libtelnet_send_data) */
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#ifdef __GNUC__
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# define LIBTELNET_GNU_PRINTF(f,a) __attribute__((printf(f, a)))
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#else
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# define LIBTELNET_GNU_PRINTF(f,a)
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#endif
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extern int libtelnet_send_printf(libtelnet_t *telnet, const char *fmt, ...);
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#endif /* !defined(LIBTELNET_INCLUDE) */
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