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 ad33fe15b..dfd812fc9 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); +} |