static int deffld(int, char *, int);
static int chkflds(void);
static int setnum(int, double);
-static int putnum(void *, int, double);
static int setstr(int, char *);
-static int putstr(void *, int, char *);
static int setsym(int, char *);
static int mtsymset(int, long *);
static int add2symset(int, long *, char *);
return 0;
}
+/*
+ * Get selector for field FLDNO.
+ * Assign the field's selector index to *IDX, unless it is null.
+ * Return the selector on success, null pointer on error.
+ */
+static struct castr *
+getfld(int fldno, int *idx)
+{
+ if (fldno >= nflds) {
+ gripe("Too many fields, expected only %d", nflds);
+ return NULL;
+ }
+ if (CANT_HAPPEN(fldno < 0))
+ return NULL;
+ if (idx)
+ *idx = fldidx[fldno];
+ return fldca[fldno];
+}
+
/*
* Find the field for selector CA with index IDX.
* Return the field number if it exists, else -1.
return 0;
}
+/*
+ * Is a new value for field FLDNO required to match the old one?
+ */
+static int
+fldval_must_match(int fldno)
+{
+ struct castr *ca = ef_cadef(cur_type);
+ int i = fldca[fldno] - ca;
+
+ /*
+ * Value must match if:
+ * it's for a const selector, unless the object is still blank, or
+ * it was already given in a previous part of a split table.
+ */
+ return (cur_id < old_nelem && (fldca[fldno]->ca_flags & NSC_CONST))
+ || fldidx[fldno] < cafldspp[i];
+}
+
+/*
+ * Set OBJ's field FLDNO to DBL.
+ * Return 0 on success, -1 on error.
+ */
+static int
+putnum(void *obj, int fldno, double dbl)
+{
+ struct castr *ca = fldca[fldno];
+ int idx = fldidx[fldno];
+ char *memb_ptr;
+ double old, new;
+
+ memb_ptr = (char *)obj + ca->ca_off;
+
+ switch (ca->ca_type) {
+ case NSC_CHAR:
+ old = ((signed char *)memb_ptr)[idx];
+ new = ((signed char *)memb_ptr)[idx] = (signed char)dbl;
+ break;
+ case NSC_UCHAR:
+ old = ((unsigned char *)memb_ptr)[idx];
+ new = ((unsigned char *)memb_ptr)[idx] = (unsigned char)dbl;
+ break;
+ case NSC_SHORT:
+ old = ((short *)memb_ptr)[idx];
+ new = ((short *)memb_ptr)[idx] = (short)dbl;
+ break;
+ case NSC_USHORT:
+ old = ((unsigned short *)memb_ptr)[idx];
+ new = ((unsigned short *)memb_ptr)[idx] = (unsigned short)dbl;
+ break;
+ case NSC_INT:
+ old = ((int *)memb_ptr)[idx];
+ new = ((int *)memb_ptr)[idx] = (int)dbl;
+ break;
+ case NSC_LONG:
+ old = ((long *)memb_ptr)[idx];
+ new = ((long *)memb_ptr)[idx] = (long)dbl;
+ break;
+ case NSC_XCOORD:
+ old = ((coord *)memb_ptr)[idx];
+ /* FIXME use variant of xrel() that takes orig instead of nation */
+ if (old >= WORLD_X / 2)
+ old -= WORLD_X;
+ new = ((coord *)memb_ptr)[idx] = XNORM((coord)dbl);
+ if (new >= WORLD_X / 2)
+ new -= WORLD_X;
+ break;
+ case NSC_YCOORD:
+ old = ((coord *)memb_ptr)[idx];
+ /* FIXME use variant of yrel() that takes orig instead of nation */
+ if (old >= WORLD_Y / 2)
+ old -= WORLD_Y;
+ new = ((coord *)memb_ptr)[idx] = YNORM((coord)dbl);
+ if (new >= WORLD_Y / 2)
+ new -= WORLD_Y;
+ break;
+ case NSC_FLOAT:
+ old = ((float *)memb_ptr)[idx];
+ ((float *)memb_ptr)[idx] = (float)dbl;
+ new = dbl; /* suppress new != dbl check */
+ break;
+ case NSC_DOUBLE:
+ old = ((double *)memb_ptr)[idx];
+ ((double *)memb_ptr)[idx] = dbl;
+ new = dbl; /* suppress new != dbl check */
+ break;
+ case NSC_TIME:
+ old = ((time_t *)memb_ptr)[idx];
+ new = ((time_t *)memb_ptr)[idx] = (time_t)dbl;
+ break;
+ default:
+ return gripe("Field %d doesn't take numbers", fldno + 1);
+ }
+
+ if (fldval_must_match(fldno) && old != dbl)
+ return gripe("Value for field %d must be %g", fldno + 1, old);
+ if (new != dbl)
+ return gripe("Field %d can't hold this value", fldno + 1);
+
+ return 0;
+}
+
+/*
+ * Set obj's field FLDNO to STR.
+ * Return 0 on success, -1 on error.
+ */
+static int
+putstr(void *obj, int fldno, char *str)
+{
+ struct castr *ca = fldca[fldno];
+ int idx = fldidx[fldno];
+ int must_match, mismatch;
+ size_t sz, len;
+ char *memb_ptr, *old;
+
+ memb_ptr = (char *)obj + ca->ca_off;
+ must_match = fldval_must_match(fldno);
+ mismatch = 0;
+
+ switch (ca->ca_type) {
+ case NSC_STRING:
+ old = ((char **)memb_ptr)[idx];
+ if (must_match)
+ mismatch = old ? !str || strcmp(old, str) : !!str;
+ else
+ /* FIXME may leak old value */
+ ((char **)memb_ptr)[idx] = str ? strdup(str) : NULL;
+ len = -1; /* unlimited */
+ break;
+ case NSC_STRINGY:
+ if (CANT_HAPPEN(idx))
+ return -1;
+ if (!str)
+ return gripe("Field %d doesn't take nil", fldno + 1);
+ /* Wart: if ca_len <= 1, the terminating null may be omitted */
+ sz = ca->ca_len;
+ len = sz > 1 ? sz - 1 : sz;
+ if (strlen(str) > len)
+ return gripe("Field %d takes at most %d characters",
+ fldno + 1, (int)len);
+ old = memb_ptr;
+ if (must_match)
+ mismatch = !str || strncmp(old, str, len);
+ else
+ strncpy(memb_ptr, str, sz);
+ break;
+ default:
+ return gripe("Field %d doesn't take strings", fldno + 1);
+ }
+
+ if (mismatch) {
+ if (old)
+ return gripe("Value for field %d must be \"%.*s\"",
+ fldno + 1, (int)len, old);
+ else
+ return gripe("Value for field %d must be nil", fldno + 1);
+ }
+
+ return 0;
+}
+
/*
* Save the current row's fields in its object.
* Return 0 on success, -1 on failure.
return res;
}
-/*
- * Get selector for field FLDNO.
- * Assign the field's selector index to *IDX, unless it is null.
- * Return the selector on success, null pointer on error.
- */
-static struct castr *
-getfld(int fldno, int *idx)
-{
- if (fldno >= nflds) {
- gripe("Too many fields, expected only %d", nflds);
- return NULL;
- }
- if (CANT_HAPPEN(fldno < 0))
- return NULL;
- if (idx)
- *idx = fldidx[fldno];
- return fldca[fldno];
-}
-
-/*
- * Is a new value for field FLDNO required to match the old one?
- */
-static int
-fldval_must_match(int fldno)
-{
- struct castr *ca = ef_cadef(cur_type);
- int i = fldca[fldno] - ca;
-
- /*
- * Value must match if:
- * it's for a const selector, unless the object is still blank, or
- * it was already given in a previous part of a split table.
- */
- return (cur_id < old_nelem && (fldca[fldno]->ca_flags & NSC_CONST))
- || fldidx[fldno] < cafldspp[i];
-}
-
/*
* Set value of field FLDNO in current row to DBL.
* Return 1 on success, -1 on error.
return 1;
}
-/*
- * Set OBJ's field FLDNO to DBL.
- * Return 0 on success, -1 on error.
- */
-static int
-putnum(void *obj, int fldno, double dbl)
-{
- struct castr *ca = fldca[fldno];
- int idx = fldidx[fldno];
- char *memb_ptr;
- double old, new;
-
- memb_ptr = (char *)obj + ca->ca_off;
-
- switch (ca->ca_type) {
- case NSC_CHAR:
- old = ((signed char *)memb_ptr)[idx];
- new = ((signed char *)memb_ptr)[idx] = (signed char)dbl;
- break;
- case NSC_UCHAR:
- old = ((unsigned char *)memb_ptr)[idx];
- new = ((unsigned char *)memb_ptr)[idx] = (unsigned char)dbl;
- break;
- case NSC_SHORT:
- old = ((short *)memb_ptr)[idx];
- new = ((short *)memb_ptr)[idx] = (short)dbl;
- break;
- case NSC_USHORT:
- old = ((unsigned short *)memb_ptr)[idx];
- new = ((unsigned short *)memb_ptr)[idx] = (unsigned short)dbl;
- break;
- case NSC_INT:
- old = ((int *)memb_ptr)[idx];
- new = ((int *)memb_ptr)[idx] = (int)dbl;
- break;
- case NSC_LONG:
- old = ((long *)memb_ptr)[idx];
- new = ((long *)memb_ptr)[idx] = (long)dbl;
- break;
- case NSC_XCOORD:
- old = ((coord *)memb_ptr)[idx];
- /* FIXME use variant of xrel() that takes orig instead of nation */
- if (old >= WORLD_X / 2)
- old -= WORLD_X;
- new = ((coord *)memb_ptr)[idx] = XNORM((coord)dbl);
- if (new >= WORLD_X / 2)
- new -= WORLD_X;
- break;
- case NSC_YCOORD:
- old = ((coord *)memb_ptr)[idx];
- /* FIXME use variant of yrel() that takes orig instead of nation */
- if (old >= WORLD_Y / 2)
- old -= WORLD_Y;
- new = ((coord *)memb_ptr)[idx] = YNORM((coord)dbl);
- if (new >= WORLD_Y / 2)
- new -= WORLD_Y;
- break;
- case NSC_FLOAT:
- old = ((float *)memb_ptr)[idx];
- ((float *)memb_ptr)[idx] = (float)dbl;
- new = dbl; /* suppress new != dbl check */
- break;
- case NSC_DOUBLE:
- old = ((double *)memb_ptr)[idx];
- ((double *)memb_ptr)[idx] = dbl;
- new = dbl; /* suppress new != dbl check */
- break;
- case NSC_TIME:
- old = ((time_t *)memb_ptr)[idx];
- new = ((time_t *)memb_ptr)[idx] = (time_t)dbl;
- break;
- default:
- return gripe("Field %d doesn't take numbers", fldno + 1);
- }
-
- if (fldval_must_match(fldno) && old != dbl)
- return gripe("Value for field %d must be %g", fldno + 1, old);
- if (new != dbl)
- return gripe("Field %d can't hold this value", fldno + 1);
-
- return 0;
-}
-
/*
* Set value of field FLDNO in current row to STR.
* Return 1 on success, -1 on error.
return 1;
}
-/*
- * Set obj's field FLDNO to STR.
- * Return 0 on success, -1 on error.
- */
-static int
-putstr(void *obj, int fldno, char *str)
-{
- struct castr *ca = fldca[fldno];
- int idx = fldidx[fldno];
- int must_match, mismatch;
- size_t sz, len;
- char *memb_ptr, *old;
-
- memb_ptr = (char *)obj + ca->ca_off;
- must_match = fldval_must_match(fldno);
- mismatch = 0;
-
- switch (ca->ca_type) {
- case NSC_STRING:
- old = ((char **)memb_ptr)[idx];
- if (must_match)
- mismatch = old ? !str || strcmp(old, str) : !!str;
- else
- /* FIXME may leak old value */
- ((char **)memb_ptr)[idx] = str ? strdup(str) : NULL;
- len = -1; /* unlimited */
- break;
- case NSC_STRINGY:
- if (CANT_HAPPEN(idx))
- return -1;
- if (!str)
- return gripe("Field %d doesn't take nil", fldno + 1);
- /* Wart: if ca_len <= 1, the terminating null may be omitted */
- sz = ca->ca_len;
- len = sz > 1 ? sz - 1 : sz;
- if (strlen(str) > len)
- return gripe("Field %d takes at most %d characters",
- fldno + 1, (int)len);
- old = memb_ptr;
- if (must_match)
- mismatch = !str || strncmp(old, str, len);
- else
- strncpy(memb_ptr, str, sz);
- break;
- default:
- return gripe("Field %d doesn't take strings", fldno + 1);
- }
-
- if (mismatch) {
- if (old)
- return gripe("Value for field %d must be \"%.*s\"",
- fldno + 1, (int)len, old);
- else
- return gripe("Value for field %d must be nil", fldno + 1);
- }
-
- return 0;
-}
-
/*
* Resolve symbol name ID in table referred to by CA.
* Use field number N for error messages.
projects / empserver / commitdiff