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Add '+' modifier.

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+      A sign (+ or -) always be placed  before  a  number
              produced by a signed conversion.  By default a sign
              is used only for negative numbers. A + overrides  a
              space if both are used.
This commit is contained in:
Sascha Schumann 2002-09-21 15:08:59 +00:00
parent bcadd534ee
commit 30f038be18
1 changed files with 23 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

31
ext/standard/formatted_print.c
View file

@ -200,7 +200,8 @@ php_sprintf_appendstring(char **buffer, int *pos, int *size, char *add,
inline static void
php_sprintf_appendint(char **buffer, int *pos, int *size, long number,
int width, char padding, int alignment)
int width, char padding, int alignment,
int always_sign)
{
char numbuf[NUM_BUF_SIZE];
register unsigned long magn, nmagn;
@ -229,6 +230,8 @@ php_sprintf_appendint(char **buffer, int *pos, int *size, long number,
while (magn > 0 && i > 0);
if (neg) {
numbuf[--i] = '-';
} else if (always_sign) {
numbuf[--i] = '+';
}
PRINTF_DEBUG(("sprintf: appending %d as \"%s\", i=%d\n",
number, &numbuf[i], i));
@ -240,7 +243,7 @@ php_sprintf_appendint(char **buffer, int *pos, int *size, long number,
inline static void
php_sprintf_appenduint(char **buffer, int *pos, int *size,
unsigned long number,
int width, char padding, int alignment)
int width, char padding, int alignment, int always_sign)
{
char numbuf[NUM_BUF_SIZE];
register unsigned long magn, nmagn;
@ -260,8 +263,10 @@ php_sprintf_appenduint(char **buffer, int *pos, int *size,
numbuf[--i] = (unsigned char)(magn - (nmagn * 10)) + '0';
magn = nmagn;
}
while (magn > 0 && i > 0);
} while (magn > 0 && i > 0);
if (always_sign)
numbuf[--i] = '+';
PRINTF_DEBUG(("sprintf: appending %d as \"%s\", i=%d\n", number, &numbuf[i], i));
php_sprintf_appendstring(buffer, pos, size, &numbuf[i], width, 0,
padding, alignment, (NUM_BUF_SIZE - 1) - i, 0, 0);
@ -272,7 +277,8 @@ php_sprintf_appenddouble(char **buffer, int *pos,
int *size, double number,
int width, char padding,
int alignment, int precision,
int adjust, char fmt)
int adjust, char fmt,
int always_sign)
{
char numbuf[NUM_BUF_SIZE];
char *cvt;
@ -313,6 +319,8 @@ php_sprintf_appenddouble(char **buffer, int *pos,
if (sign) {
numbuf[i++] = '-';
} else if (always_sign) {
numbuf[i++] = '+';
}
if (fmt == 'f') {
@ -405,6 +413,7 @@ php_sprintf_getnumber(char *buffer, int *pos)
* "-" left adjusted field
* n field size
* "."n precision (floats only)
* "+" Always place a sign (+ or -) in front of a number
*
* Type specifiers:
*
@ -426,6 +435,7 @@ php_formatted_print(int ht, int *len, int use_array TSRMLS_DC)
int argc, size = 240, inpos = 0, outpos = 0, temppos;
int alignment, width, precision, currarg, adjusting, argnum;
char *format, *result, padding;
int always_sign;
argc = ZEND_NUM_ARGS();
@ -482,6 +492,7 @@ php_formatted_print(int ht, int *len, int use_array TSRMLS_DC)
alignment = ALIGN_RIGHT;
adjusting = 0;
padding = ' ';
always_sign = 0;
inpos++; /* skip the '%' */
PRINTF_DEBUG(("sprintf: first looking at '%c', inpos=%d\n",
@ -521,6 +532,8 @@ php_formatted_print(int ht, int *len, int use_array TSRMLS_DC)
} else if (format[inpos] == '-') {
alignment = ALIGN_LEFT;
/* space padding, the default */
} else if (format[inpos] == '+') {
always_sign = 1;
} else if (format[inpos] == '\'') {
padding = format[++inpos];
} else {
@ -583,14 +596,16 @@ php_formatted_print(int ht, int *len, int use_array TSRMLS_DC)
convert_to_long_ex(args[argnum]);
php_sprintf_appendint(&result, &outpos, &size,
Z_LVAL_PP(args[argnum]),
width, padding, alignment);
width, padding, alignment,
always_sign);
break;
case 'u':
convert_to_long_ex(args[argnum]);
php_sprintf_appenduint(&result, &outpos, &size,
Z_LVAL_PP(args[argnum]),
width, padding, alignment);
width, padding, alignment,
always_sign);
break;
case 'e':
@ -601,7 +616,7 @@ php_formatted_print(int ht, int *len, int use_array TSRMLS_DC)
Z_DVAL_PP(args[argnum]),
width, padding, alignment,
precision, adjusting,
format[inpos]);
format[inpos], always_sign);
break;
case 'c':