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Diffstat (limited to 'src/StrToText.c')
-rw-r--r-- | src/StrToText.c | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/src/StrToText.c b/src/StrToText.c new file mode 100644 index 0000000..c84c071 --- /dev/null +++ b/src/StrToText.c @@ -0,0 +1,88 @@ +/* $Xorg: StrToText.c,v 1.4 2001/02/09 02:03:37 xorgcvs Exp $ */ +/* + +Copyright 1989, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. + +*/ + +#include <X11/Xlibint.h> +#include <X11/Xatom.h> +#include <X11/Xutil.h> + +/* + * XStringListToTextProperty - fill in TextProperty structure with + * concatenated list of null-separated strings. Return True if successful + * else False. Allocate room on end for trailing NULL, but don't include in + * count. + */ + +Status XStringListToTextProperty (argv, argc, textprop) + char **argv; + int argc; + XTextProperty *textprop; +{ + register int i; + register unsigned int nbytes; + XTextProperty proto; + + /* figure out how much space we'll need for this list */ + for (i = 0, nbytes = 0; i < argc; i++) { + nbytes += (unsigned) ((argv[i] ? strlen (argv[i]) : 0) + 1); + } + + /* fill in a prototype containing results so far */ + proto.encoding = XA_STRING; + proto.format = 8; + if (nbytes) + proto.nitems = nbytes - 1; /* subtract one for trailing <NUL> */ + else + proto.nitems = 0; + proto.value = NULL; + + /* build concatenated list of strings */ + if (nbytes > 0) { + register char *buf = Xmalloc (nbytes); + if (!buf) return False; + + proto.value = (unsigned char *) buf; + for (i = 0; i < argc; i++) { + char *arg = argv[i]; + + if (arg) { + (void) strcpy (buf, arg); + buf += (strlen (arg) + 1); + } else { + *buf++ = '\0'; + } + } + } else { + proto.value = (unsigned char *) Xmalloc (1); /* easier for client */ + if (!proto.value) return False; + + proto.value[0] = '\0'; + } + + /* we were successful, so set return value */ + *textprop = proto; + return True; +} |