Validates the data entered in an F_DECIMAL field
| Call | ||
| #include <vv_dec.h> | ||
| int vf_dec(stp, picp, dfldp, cvbufp) | ||
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UCHAR *stp |
Pointer to the string containing the field data |
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| UCHAR *picp | Pointer to the picture associated with the string | |
| DFIELDPTR dfldp | Pointer to the decimal field to validate | |
| UCHAR *cvbufp | Pointer to conversion buffer | |
| Returns | ||
| 1 | The data is valid for this F_DEC field. | |
| 0 | The data is invalid for this F_DEC field | |
| Description
vf_dec() performs several validation checks on the data. If the data does not pass a validation check, VAL_ERR is set. The form editor will then display the appropriate message. The following table lists the validation checks and the message displayed in the error window if the check fails. |
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| vf_dec() checks for: | Message: | |
| Multiple decimal separators | MULT_POINTS | |
| Multiple signs | MULT_SIGN | |
| Exponential notation symbol (E) | NO_EXP | |
| Embeddedsigns | SIGN_FIRST | |
| Embedded blanks (accepted between sign and first digit) | NO_BLANKS | |
| Value is outside the range specified for this field or is too large or small to convert to a long integer. | OUTOFRANGE | |
| If CHKTRUNCATE is ON for the field, too many digits after the decimal point | DECTRUNCATE | |
| Vermont Views validation messages are defined in vv_valmsg.c. | ||
| Related Functions
vf_bool(), vf_ch(), vf_date(), vf_fill(), vf_double(), vf_int(), vf_long(), vf_req(), vf_st(), vf_time() |
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