diff options
Diffstat (limited to 'libX11/src/ParseGeom.c')
-rw-r--r-- | libX11/src/ParseGeom.c | 324 |
1 files changed, 162 insertions, 162 deletions
diff --git a/libX11/src/ParseGeom.c b/libX11/src/ParseGeom.c index dfd812fc9..ad33fe15b 100644 --- a/libX11/src/ParseGeom.c +++ b/libX11/src/ParseGeom.c @@ -1,162 +1,162 @@ - -/* - -Copyright 1985, 1986, 1987,1998 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 "Xlibint.h" -#include "Xutil.h" - -/* - * XParseGeometry parses strings of the form - * "=<width>x<height>{+-}<xoffset>{+-}<yoffset>", where - * width, height, xoffset, and yoffset are unsigned integers. - * Example: "=80x24+300-49" - * The equal sign is optional. - * It returns a bitmask that indicates which of the four values - * were actually found in the string. For each value found, - * the corresponding argument is updated; for each value - * not found, the corresponding argument is left unchanged. - */ - -static int -ReadInteger(char *string, char **NextString) -{ - register int Result = 0; - int Sign = 1; - - if (*string == '+') - string++; - else if (*string == '-') - { - string++; - Sign = -1; - } - for (; (*string >= '0') && (*string <= '9'); string++) - { - Result = (Result * 10) + (*string - '0'); - } - *NextString = string; - if (Sign >= 0) - return (Result); - else - return (-Result); -} - -int -XParseGeometry ( -_Xconst char *string, -int *x, -int *y, -unsigned int *width, /* RETURN */ -unsigned int *height) /* RETURN */ -{ - int mask = NoValue; - register char *strind; - unsigned int tempWidth = 0, tempHeight = 0; - int tempX = 0, tempY = 0; - char *nextCharacter; - - if ( (string == NULL) || (*string == '\0')) return(mask); - if (*string == '=') - string++; /* ignore possible '=' at beg of geometry spec */ - - strind = (char *)string; - if (*strind != '+' && *strind != '-' && *strind != 'x') { - tempWidth = ReadInteger(strind, &nextCharacter); - if (strind == nextCharacter) - return (0); - strind = nextCharacter; - mask |= WidthValue; - } - - if (*strind == 'x' || *strind == 'X') { - strind++; - tempHeight = ReadInteger(strind, &nextCharacter); - if (strind == nextCharacter) - return (0); - strind = nextCharacter; - mask |= HeightValue; - } - - if ((*strind == '+') || (*strind == '-')) { - if (*strind == '-') { - strind++; - tempX = -ReadInteger(strind, &nextCharacter); - if (strind == nextCharacter) - return (0); - strind = nextCharacter; - mask |= XNegative; - - } - else - { strind++; - tempX = ReadInteger(strind, &nextCharacter); - if (strind == nextCharacter) - return(0); - strind = nextCharacter; - } - mask |= XValue; - if ((*strind == '+') || (*strind == '-')) { - if (*strind == '-') { - strind++; - tempY = -ReadInteger(strind, &nextCharacter); - if (strind == nextCharacter) - return(0); - strind = nextCharacter; - mask |= YNegative; - - } - else - { - strind++; - tempY = ReadInteger(strind, &nextCharacter); - if (strind == nextCharacter) - return(0); - strind = nextCharacter; - } - mask |= YValue; - } - } - - /* If strind isn't at the end of the string the it's an invalid - geometry specification. */ - - if (*strind != '\0') return (0); - - if (mask & XValue) - *x = tempX; - if (mask & YValue) - *y = tempY; - if (mask & WidthValue) - *width = tempWidth; - if (mask & HeightValue) - *height = tempHeight; - return (mask); -} +
+/*
+
+Copyright 1985, 1986, 1987,1998 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 "Xlibint.h"
+#include "Xutil.h"
+
+/*
+ * XParseGeometry parses strings of the form
+ * "=<width>x<height>{+-}<xoffset>{+-}<yoffset>", where
+ * width, height, xoffset, and yoffset are unsigned integers.
+ * Example: "=80x24+300-49"
+ * The equal sign is optional.
+ * It returns a bitmask that indicates which of the four values
+ * were actually found in the string. For each value found,
+ * the corresponding argument is updated; for each value
+ * not found, the corresponding argument is left unchanged.
+ */
+
+static int
+ReadInteger(char *string, char **NextString)
+{
+ register int Result = 0;
+ int Sign = 1;
+
+ if (*string == '+')
+ string++;
+ else if (*string == '-')
+ {
+ string++;
+ Sign = -1;
+ }
+ for (; (*string >= '0') && (*string <= '9'); string++)
+ {
+ Result = (Result * 10) + (*string - '0');
+ }
+ *NextString = string;
+ if (Sign >= 0)
+ return (Result);
+ else
+ return (-Result);
+}
+
+int
+XParseGeometry (
+_Xconst char *string,
+int *x,
+int *y,
+unsigned int *width, /* RETURN */
+unsigned int *height) /* RETURN */
+{
+ int mask = NoValue;
+ register char *strind;
+ unsigned int tempWidth = 0, tempHeight = 0;
+ int tempX = 0, tempY = 0;
+ char *nextCharacter;
+
+ if ( (string == NULL) || (*string == '\0')) return(mask);
+ if (*string == '=')
+ string++; /* ignore possible '=' at beg of geometry spec */
+
+ strind = (char *)string;
+ if (*strind != '+' && *strind != '-' && *strind != 'x') {
+ tempWidth = ReadInteger(strind, &nextCharacter);
+ if (strind == nextCharacter)
+ return (0);
+ strind = nextCharacter;
+ mask |= WidthValue;
+ }
+
+ if (*strind == 'x' || *strind == 'X') {
+ strind++;
+ tempHeight = ReadInteger(strind, &nextCharacter);
+ if (strind == nextCharacter)
+ return (0);
+ strind = nextCharacter;
+ mask |= HeightValue;
+ }
+
+ if ((*strind == '+') || (*strind == '-')) {
+ if (*strind == '-') {
+ strind++;
+ tempX = -ReadInteger(strind, &nextCharacter);
+ if (strind == nextCharacter)
+ return (0);
+ strind = nextCharacter;
+ mask |= XNegative;
+
+ }
+ else
+ { strind++;
+ tempX = ReadInteger(strind, &nextCharacter);
+ if (strind == nextCharacter)
+ return(0);
+ strind = nextCharacter;
+ }
+ mask |= XValue;
+ if ((*strind == '+') || (*strind == '-')) {
+ if (*strind == '-') {
+ strind++;
+ tempY = -ReadInteger(strind, &nextCharacter);
+ if (strind == nextCharacter)
+ return(0);
+ strind = nextCharacter;
+ mask |= YNegative;
+
+ }
+ else
+ {
+ strind++;
+ tempY = ReadInteger(strind, &nextCharacter);
+ if (strind == nextCharacter)
+ return(0);
+ strind = nextCharacter;
+ }
+ mask |= YValue;
+ }
+ }
+
+ /* If strind isn't at the end of the string the it's an invalid
+ geometry specification. */
+
+ if (*strind != '\0') return (0);
+
+ if (mask & XValue)
+ *x = tempX;
+ if (mask & YValue)
+ *y = tempY;
+ if (mask & WidthValue)
+ *width = tempWidth;
+ if (mask & HeightValue)
+ *height = tempHeight;
+ return (mask);
+}
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