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A loss of data (truncation) can occur when converting from a value of a signed integer type to a value of a signed type with less precision. This noncompliant code example results in a truncation error on most implementations:
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#include <limits.h>
void func(void) {
signed long int s_a = LONG_MAX;
signed char sc = (signed char)s_a; /* Cast eliminates warning */
/* ... */
} |
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