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author | Mihai Moldovan <ionic@ionic.de> | 2017-08-25 12:44:49 +0200 |
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committer | Mihai Moldovan <ionic@ionic.de> | 2017-08-25 12:44:49 +0200 |
commit | ae0a2bfdeb9ceacb80aa03375353039d425b14b9 (patch) | |
tree | daec55145477bcec69273e03d5c9ff10c10a4137 /nx-X11/lib/src/TextToStr.c | |
parent | cbe2c0e44f412d07024207f374c0f56684adb088 (diff) | |
parent | 3b7e5a42f5abecb903a9d730d163d704520efb07 (diff) | |
download | nx-libs-ae0a2bfdeb9ceacb80aa03375353039d425b14b9.tar.gz nx-libs-ae0a2bfdeb9ceacb80aa03375353039d425b14b9.tar.bz2 nx-libs-ae0a2bfdeb9ceacb80aa03375353039d425b14b9.zip |
Merge branch 'sunweaver-pr/libnx-x11-autoreconf' into 3.6.x
Attributes GH PR #498: https://github.com/ArcticaProject/nx-libs/pull/498
Diffstat (limited to 'nx-X11/lib/src/TextToStr.c')
-rw-r--r-- | nx-X11/lib/src/TextToStr.c | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/nx-X11/lib/src/TextToStr.c b/nx-X11/lib/src/TextToStr.c new file mode 100644 index 000000000..03f71558b --- /dev/null +++ b/nx-X11/lib/src/TextToStr.c @@ -0,0 +1,118 @@ +/* + +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. + +*/ + + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include <nx-X11/Xlibint.h> +#include <nx-X11/Xatom.h> +#include <nx-X11/Xutil.h> + + +/* + * XTextPropertyToStringList - set list and count to contain data stored in + * null-separated STRING property. + */ + +Status XTextPropertyToStringList ( + XTextProperty *tp, + char ***list_return, + int *count_return) +{ + char **list; /* return value */ + int nelements; /* return value */ + register char *cp; /* temp variable */ + char *start; /* start of thing to copy */ + int i, j; /* iterator variables */ + int datalen = (int) tp->nitems; /* for convenience */ + + /* + * make sure we understand how to do it + */ + if (tp->encoding != XA_STRING || tp->format != 8) return False; + + if (datalen == 0) { + *list_return = NULL; + *count_return = 0; + return True; + } + + /* + * walk the list to figure out how many elements there are + */ + nelements = 1; /* since null-separated */ + for (cp = (char *) tp->value, i = datalen; i > 0; cp++, i--) { + if (*cp == '\0') nelements++; + } + + /* + * allocate list and duplicate + */ + list = Xmalloc (nelements * sizeof (char *)); + if (!list) return False; + + start = Xmalloc ((datalen + 1) * sizeof (char)); /* for <NUL> */ + if (!start) { + Xfree (list); + return False; + } + + /* + * copy data + */ + memcpy (start, (char *) tp->value, tp->nitems); + start[datalen] = '\0'; + + /* + * walk down list setting value + */ + for (cp = start, i = datalen + 1, j = 0; i > 0; cp++, i--) { + if (*cp == '\0') { + list[j] = start; + start = (cp + 1); + j++; + } + } + + /* + * append final null pointer and then return data + */ + *list_return = list; + *count_return = nelements; + return True; +} + + +void XFreeStringList (char **list) +{ + if (list) { + if (list[0]) Xfree (list[0]); + Xfree (list); + list = NULL; + } +} + |