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Duane Ellis <openocd@duaneellis.com>: This simple patch adds precision support to JIM's format command. 

git-svn-id: svn://svn.berlios.de/openocd/trunk@767 b42882b7-edfa-0310-969c-e2dbd0fdcd60
This commit is contained in:
oharboe 2008-07-07 18:57:27 +00:00
parent 994396da59
commit cfba2f4a79
1 changed files with 45 additions and 7 deletions
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52
src/jim.c
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@ -2180,6 +2180,10 @@ Jim_Obj *Jim_FormatString(Jim_Interp *interp, Jim_Obj *fmtObjPtr,
int spad;
int altfm;
int forceplus;
int prec;
int inprec;
int haveprec;
int accum;
while (*fmt != '%' && fmtLen) {
fmt++; fmtLen--;
@ -2194,6 +2198,9 @@ Jim_Obj *Jim_FormatString(Jim_Interp *interp, Jim_Obj *fmtObjPtr,
ljust = 0;
altfm = 0;
forceplus = 0;
inprec = 0;
haveprec = 0;
prec = -1; /* not found yet */
next_fmt:
if( fmtLen <= 0 ){
break;
@ -2237,7 +2244,12 @@ Jim_Obj *Jim_FormatString(Jim_Interp *interp, Jim_Obj *fmtObjPtr,
altfm = 1;
*fmt++; fmtLen--;
goto next_fmt;
case '.':
inprec = 1;
*fmt++; fmtLen--;
goto next_fmt;
break;
case '1':
case '2':
case '3':
@ -2247,11 +2259,17 @@ Jim_Obj *Jim_FormatString(Jim_Interp *interp, Jim_Obj *fmtObjPtr,
case '7':
case '8':
case '9':
width = 0;
accum = 0;
while( isdigit(*fmt) && (fmtLen > 0) ){
width = (width * 10) + (*fmt - '0');
accum = (accum * 10) + (*fmt - '0');
fmt++; fmtLen--;
}
if( inprec ){
haveprec = 1;
prec = accum;
} else {
width = accum;
}
goto next_fmt;
case '*':
/* suck up the next item as an integer */
@ -2264,10 +2282,20 @@ Jim_Obj *Jim_FormatString(Jim_Interp *interp, Jim_Obj *fmtObjPtr,
Jim_FreeNewObj(interp, resObjPtr );
return NULL;
}
width = wideValue;
if( width < 0 ){
ljust = 1;
width = -width;
if( inprec ){
haveprec = 1;
prec = wideValue;
if( prec < 0 ){
/* man 3 printf says */
/* if prec is negative, it is zero */
prec = 0;
}
} else {
width = wideValue;
if( width < 0 ){
ljust = 1;
width = -width;
}
}
objv++;
goto next_fmt;
@ -2313,6 +2341,16 @@ Jim_Obj *Jim_FormatString(Jim_Interp *interp, Jim_Obj *fmtObjPtr,
/* skip ahead */
cp = strchr(cp,0);
}
/* did we find a period? */
if( inprec ){
/* then add it */
*cp++ = '.';
/* did something occur after the period? */
if( haveprec ){
sprintf( cp, "%d", prec );
}
cp = strchr(cp,0);
}
*cp = 0;
/* here we do the work */