c / intermediate
Snippet
Unified Error Cleanup with goto
In systems programming, using 'goto' for a single exit point is an accepted pattern to ensure all allocated resources are freed consistently, avoiding deeply nested conditional logic.
snippet.c
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#include <stdlib.h>void process_data() {int *data = malloc(1024);if (!data) return;if (/* some error condition */ 1) {goto cleanup;}// ... more logic ...cleanup:free(data);}
Breakdown
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goto cleanup;
Jumps directly to the cleanup label, skipping the remaining function logic.
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cleanup:
A label acting as a target for the jump, usually placed at the end of the function.