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Diffstat (limited to 'source4/lib/dprintf.c')
-rw-r--r-- | source4/lib/dprintf.c | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/source4/lib/dprintf.c b/source4/lib/dprintf.c new file mode 100644 index 0000000000..70387bbd61 --- /dev/null +++ b/source4/lib/dprintf.c @@ -0,0 +1,113 @@ +/* + Unix SMB/CIFS implementation. + display print functions + Copyright (C) Andrew Tridgell 2001 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + + +/* + this module provides functions for printing internal strings in the "display charset" + This charset may be quite different from the chosen unix charset + + Eventually these functions will need to take care of column count constraints + + The d_ prefix on print functions in Samba refers to the display character set + conversion +*/ + +#include "includes.h" + + int d_vfprintf(FILE *f, const char *format, va_list ap) +{ + char *p, *p2; + int ret, maxlen, clen; + const char *msgstr; + va_list ap2; + + /* do any message translations */ + msgstr = lang_msg(format); + if (!msgstr) return -1; + + VA_COPY(ap2, ap); + + ret = vasprintf(&p, msgstr, ap2); + + lang_msg_free(msgstr); + + if (ret <= 0) return ret; + + /* now we have the string in unix format, convert it to the display + charset, but beware of it growing */ + maxlen = ret*2; +again: + p2 = malloc(maxlen); + if (!p2) { + SAFE_FREE(p); + return -1; + } + clen = convert_string(CH_UNIX, CH_DISPLAY, p, ret, p2, maxlen); + + if (clen >= maxlen) { + /* it didn't fit - try a larger buffer */ + maxlen *= 2; + SAFE_FREE(p2); + goto again; + } + + /* good, its converted OK */ + SAFE_FREE(p); + ret = fwrite(p2, 1, clen, f); + SAFE_FREE(p2); + + return ret; +} + + + int d_fprintf(FILE *f, const char *format, ...) +{ + int ret; + va_list ap; + + va_start(ap, format); + ret = d_vfprintf(f, format, ap); + va_end(ap); + + return ret; +} + +static FILE *outfile; + + int d_printf(const char *format, ...) +{ + int ret; + va_list ap; + + if (!outfile) outfile = stdout; + + va_start(ap, format); + ret = d_vfprintf(outfile, format, ap); + va_end(ap); + + return ret; +} + +/* interactive programs need a way of tell d_*() to write to stderr instead + of stdout */ +void display_set_stderr(void) +{ + outfile = stderr; +} |