Bug fixes to sprintg() and fix to incomplete scang() implementation.

ugfx_release_2.6
inmarket 2014-05-12 13:25:54 +10:00
parent 38fb787cbd
commit dfcd7e0e50
1 changed files with 113 additions and 59 deletions

View File

@ -483,6 +483,8 @@ bool_t gfileEOF(GFILE *f) {
// Special String VMT
static int StringRead(GFILE *f, void *buf, int size) {
(void) size;
// size must be 1 for a complete read
if (!((char *)f->obj)[f->pos])
return 0;
@ -490,6 +492,8 @@ bool_t gfileEOF(GFILE *f) {
return 1;
}
static int StringWrite(GFILE *f, const void *buf, int size) {
(void) size;
// size must be 1 for a complete write
((char *)f->obj)[f->pos] = ((char *)buf)[0];
return 1;
@ -569,7 +573,7 @@ bool_t gfileEOF(GFILE *f) {
while (*fmt) {
if (*fmt != '%') {
gfileWrite(f, fmt, 1);
ret++; if (--maxlen) return ret;
ret++; if (!--maxlen) return ret;
fmt++;
continue;
}
@ -592,24 +596,24 @@ bool_t gfileEOF(GFILE *f) {
while (1) {
c = *fmt++;
if (c >= '0' && c <= '9')
if (c >= '0' && c <= '9') {
c -= '0';
else if (c == '*')
c = va_arg(arg, int);
width = width * 10 + c;
} else if (c == '*')
width = va_arg(arg, int);
else
break;
width = width * 10 + c;
}
if (c == '.') {
while (1) {
c = *fmt++;
if (c >= '0' && c <= '9')
if (c >= '0' && c <= '9') {
c -= '0';
else if (c == '*')
c = va_arg(arg, int);
precision = precision * 10 + c;
} else if (c == '*')
precision = va_arg(arg, int);
else
break;
precision = precision * 10 + c;
}
}
/* Long modifier.*/
@ -694,21 +698,21 @@ bool_t gfileEOF(GFILE *f) {
if (width < 0) {
if (*s == '-' && filler == '0') {
gfileWrite(f, s++, 1);
ret++; if (--maxlen) return ret;
ret++; if (!--maxlen) return ret;
i--;
}
do {
gfileWrite(f, &filler, 1);
ret++; if (--maxlen) return ret;
ret++; if (!--maxlen) return ret;
} while (++width != 0);
}
while (--i >= 0) {
gfileWrite(f, s++, 1);
ret++; if (--maxlen) return ret;
ret++; if (!--maxlen) return ret;
}
while (width) {
gfileWrite(f, &filler, 1);
ret++; if (--maxlen) return ret;
ret++; if (!--maxlen) return ret;
width--;
}
}
@ -722,9 +726,11 @@ bool_t gfileEOF(GFILE *f) {
va_list ap;
if (maxlen <= 1) {
if (maxlen == 1)
if (maxlen == 1) {
*buf = 0;
return 0;
return 0;
}
maxlen += 1;
}
f.flags = GFILEFLG_OPEN|GFILEFLG_WRITE;
f.vmt = &StringVMT;
@ -741,9 +747,11 @@ bool_t gfileEOF(GFILE *f) {
GFILE f;
if (maxlen <= 1) {
if (maxlen == 1)
if (maxlen == 1) {
*buf = 0;
return 0;
return 0;
}
maxlen += 1;
}
f.flags = GFILEFLG_OPEN|GFILEFLG_WRITE;
f.vmt = &StringVMT;
@ -772,9 +780,10 @@ bool_t gfileEOF(GFILE *f) {
int vfscang(GFILE *f, const char *fmt, va_list arg) {
int res, width, size, base;
unsigned long num;
char c;
bool_t assign;
void *p;
bool_t assign, negate;
char *p;
for(res = 0; *fmt; fmt++) {
switch(*fmt) {
@ -784,8 +793,10 @@ bool_t gfileEOF(GFILE *f) {
case '%':
fmt++;
assign = TRUE;
negate = FALSE;
width = 0;
size = 1;
num = 0;
if (*fmt == '*') {
fmt++;
@ -823,13 +834,13 @@ bool_t gfileEOF(GFILE *f) {
if (!gfileRead(f, &c, 1)) return res;
}
if (assign) {
p = va_arg(ap, char *);
p = va_arg(arg, char *);
res++;
*((char *)p)++ = c;
*p++ = c;
}
while(--width) {
if (!gfileRead(f, &c, 1)) return res;
if (assign) *((char *)p)++ = c;
if (assign) *p++ = c;
}
break;
case 's':
@ -842,9 +853,9 @@ bool_t gfileEOF(GFILE *f) {
break;
}
if (assign) {
p = va_arg(ap, char *);
p = va_arg(arg, char *);
res++;
*((char *)p)++ = c;
*p++ = c;
}
if (width) {
while(--width) {
@ -852,7 +863,7 @@ bool_t gfileEOF(GFILE *f) {
if (assign) *((char *)p) = 0;
return res;
}
if (assign) *((char *)p)++ = c;
if (assign) *p++ = c;
}
} else {
while(1) {
@ -864,50 +875,93 @@ bool_t gfileEOF(GFILE *f) {
case ' ': case '\t': case '\r':
case '\n': case '\v': case '\f': break;
default:
if (assign) *((char *)p)++ = c;
if (assign) *p++ = c;
continue;
}
break;
}
//ungetch(c);
}
if (assign) *((char *)p) = 0;
if (assign) *p = 0;
break;
case 'd':
case 'i':
case 'o':
case 'u':
case 'x':
case 'b':
/*
while (isspace (*buf))
buf++;
if (*s == 'd' || *s == 'u')
base = 10;
else if (*s == 'x')
base = 16;
else if (*s == 'o')
base = 8;
else if (*s == 'b')
base = 2;
if (!width) {
if (isspace (*(s + 1)) || *(s + 1) == 0)
width = strcspn (buf, ISSPACE);
else
width = strchr (buf, *(s + 1)) - buf;
case 'd': base = 10; goto getnum;
case 'i': base = -1; goto getnum;
case 'o': base = 8; goto getnum;
case 'u': base = 10; goto getnum;
case 'x': base = 16; goto getnum;
case 'b': base = 2;
getnum:
while(1) {
if (!gfileRead(f, &c, 1)) return res;
switch(c) {
case ' ': case '\t': case '\r':
case '\n': case '\v': case '\f': continue;
}
break;
}
strncpy (tmp, buf, width);
tmp[width] = '\0';
buf += width;
if (!noassign)
atob (va_arg (ap, u_int32_t *), tmp, base);
if (c == '-' && *fmt != 'u') {
negate = TRUE;
if ((width && !--width) || !gfileRead(f, &c, 1)) return res;
}
if (base == -1) {
if (c == '0') {
if ((width && !--width) || !gfileRead(f, &c, 1)) goto assignnum;
switch(c) {
case 'x': case 'X':
base = 16;
if ((width && !--width) || !gfileRead(f, &c, 1)) return res;
break;
case 'b': case 'B':
base = 2;
if ((width && !--width) || !gfileRead(f, &c, 1)) return res;
break;
default:
base = 8;
break;
}
} else
base = 10;
}
while(1) {
if (c >= '0' && c <= '9' && c - '0' < base)
num = num * base + (c - '0');
else if (c >= 'A' && c <= 'F' && base == 16)
num = num * base + (c - ('A'-10));
else if (c >= 'a' && c <= 'f' && base == 16)
num = num * base + (c - ('a'-10));
else {
// ungetch(c)
break;
}
if ((width && !--width) || !gfileRead(f, &c, 1))
break;
}
assignnum:
if (negate)
num = -num;
if (assign) {
switch(size) {
case 0: // short
p = (char *)va_arg(arg, short *);
res++;
*((short *)p) = (short)num;
case 1: // int
p = (char *)va_arg(arg, int *);
res++;
*((int *)p) = (int)num;
case 2: case 3: // long
p = (char *)va_arg(arg, long *);
res++;
*((long *)p) = (long)num;
}
}
if (!noassign)
count++;
*/
break;
#if GFILE_ALLOW_FLOATS
case 'e': case 'f': case 'g':
// TODO
#endif
default:
return res;
@ -941,7 +995,7 @@ bool_t gfileEOF(GFILE *f) {
f.flags = GFILEFLG_OPEN|GFILEFLG_READ;
f.vmt = &StringVMT;
f.pos = 0;
f.obj = buf;
f.obj = (void *)buf;
va_start(ap, fmt);
res = vfscang(&f, fmt, ap);
va_end(ap);
@ -955,7 +1009,7 @@ bool_t gfileEOF(GFILE *f) {
f.flags = GFILEFLG_OPEN|GFILEFLG_READ;
f.vmt = &StringVMT;
f.pos = 0;
f.obj = buf;
f.obj = (void *)buf;
res = vfscang(&f, fmt, arg);
return res;
}