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Use a macro for the printf format of big_t in enough.c.

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This commit is contained in:
Mark Adler 2018-08-01 01:39:47 -07:00
parent 194e558efe
commit 4c14b51587
1 changed files with 3 additions and 7 deletions
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10
examples/enough.c
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@ -108,6 +108,7 @@
/* special data types */ /* special data types */
typedef unsigned long long big_t; /* type for code counting */ typedef unsigned long long big_t; /* type for code counting */
#define PRIbig "llu" /* printf format for big_t */
typedef unsigned long long code_t; /* type for bit pattern counting */ typedef unsigned long long code_t; /* type for bit pattern counting */
struct tab { /* type for been here check */ struct tab { /* type for been here check */
size_t len; /* length of bit vector in char's */ size_t len; /* length of bit vector in char's */
@ -452,11 +453,6 @@ local void enough(int syms)
For the deflate literal/length code, use "enough". For the deflate distance For the deflate literal/length code, use "enough". For the deflate distance
code, use "enough 30 6". code, use "enough 30 6".
This uses the %llu printf format to print big_t numbers, which assumes that
big_t is an unsigned long long. If the big_t type is changed (for example
to a multiple precision type), the method of printing will also need to be
updated.
*/ */
int main(int argc, char **argv) int main(int argc, char **argv)
{ {
@ -543,9 +539,9 @@ int main(int argc, char **argv)
cleanup(); cleanup();
return 1; return 1;
} }
printf("%llu %d-codes\n", got, n); printf("%"PRIbig" %d-codes\n", got, n);
} }
printf("%llu total codes for 2 to %d symbols", sum, syms); printf("%"PRIbig" total codes for 2 to %d symbols", sum, syms);
if (g.max < syms - 1) if (g.max < syms - 1)
printf(" (%d-bit length limit)\n", g.max); printf(" (%d-bit length limit)\n", g.max);
else else