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ippStsOvermuchStrings
Treat Intel IPP produced more destination strings than expected as a contract result, not as justification for resetting unrelated state. A string-oriented primitive completed with a warning that the number of destination strings exceeded the expected/output contract.
Read the status in context
Intel IPP assigns meaning to the sign of IppStatus: negative is error, zero is clean completion, and positive is warning with potentially usable output. Output validation is therefore inseparable from status handling.
Intel IPP uses negative values for errors, zero for no warning/error, and positive values for warnings that can accompany completed output. Do not treat every nonzero status as an aborted operation. Keep the numeric value, declared return type, and first returning operation together with This result; the same integer can belong to a different status namespace in another API.
Diagnostic facts
| Capture | Diagnostic value |
|---|---|
| Function, input stream, expected string count, returned count, destination-array capacity, and segmentation settings. | Identifies the concrete object and operation associated with Intel IPP produced more destination strings than expected. |
| IppStatus sign and value interpreted using the same IPP headers as the linked library. | Separates argument or lifecycle state from the provider beneath the returned IppStatus. |
| Output-buffer state and checksum before and after the call. | Creates a stable before-and-after comparison. |
| Reference result or invariant appropriate to the primitive domain. | Shows whether the captured IppStatus is the first result or a translated summary. |
For This result preserve IppStatus sign and value interpreted using the same IPP headers as the linked library in the investigation before reinstalling, rebooting, clearing state, or substituting another device or provider. A success observed only after such a change is useful comparison data for It but it does not identify the original cause.
Verification path
- Run a minimal input with a known single output string. Record the first returned status and any state transition observed.
- Run one boundary input and one known-good control without changing dispatch/library version. Treat a changed result as a new boundary rather than automatic resolution.
- Check the status immediately; IPP does not preserve a global last-status value. Repeat the original supported operation so the check remains relevant to the same call.
What the result does not prove
| Observed comparison | Next conclusion to test |
|---|---|
| The first control changes the result | Concentrate on the variable isolated by this check: Run a minimal input with a known single output string. |
| The second comparison reproduces the same first status | Preserve lower-layer provider, driver, service, or runtime evidence before editing application data. The second controlled check was: Run one boundary input and one known-good control without changing dispatch/library version. |
| A different status appears after the bounded change | The operation moved to another boundary after the third controlled check. That check was: Check the status immediately; IPP does not preserve a global last-status value. Retain both results and interpret the replacement through its own API contract. |
Closing the incident
Targeted correction. Size/enumerate output according to the API or tighten segmentation rules without truncating silently. For This result modify only the object, argument, policy, provider, or lifecycle state identified by the collected evidence.
Acceptance criterion. Returned string count fits allocated metadata and excess-output cases are handled deterministically. Re-run the original operation that produced This result under its original identity and supported configuration, then keep one negative control that still produces the expected neighboring outcome.
Technical references
References for This result on the deployed platform version.
- Intel: Integrated Performance Primitives product and documentation — defines the status namespace used.
- Intel IPP developer guide — documents the API or lifecycle boundary for the returned IppStatus.
- Intel IPP error-reporting reference — provides ABI, implementation, or protocol context.
- AllStat source record: Intel ippdefs.h semantics — supports the portability and verification limits.
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