diff options
Diffstat (limited to 'util.c')
| -rw-r--r-- | util.c | 25 |
1 files changed, 21 insertions, 4 deletions
@@ -195,14 +195,32 @@ ruby_strtoul(const char *str, char **endptr, int base) # define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR) #endif -#if !defined HAVE_BSD_QSORT_R && defined HAVE_QSORT_S +typedef int (cmpfunc_t)(const void*, const void*, void*); + +#if defined HAVE_QSORT_S +# if defined __MSVCRT__ # define qsort_r(base, nel, size, arg, cmp) qsort_s(base, nel, size, cmp, arg) # define cmp_bsd_qsort cmp_ms_qsort # define HAVE_BSD_QSORT_R 1 +# elif defined __STDC_VERSION__ && __STDC_VERSION__ >= 201112L +/* C11 qsort_s has the same arguments as ours */ +void +ruby_qsort(void* base, const size_t nel, const size_t size, cmpfunc_t *cmp, void *d) +{ + if (!nel || !size) return; /* nothing to sort */ + + /* get rid of runtime-constraints handler for MT-safeness */ + if (!base || !cmp) return; + if (nel > RSIZE_MAX || size > RSIZE_MAX) return; + + qsort_s(base, nel, size, cmp, d); +} +# else +# error Unknown version qsort_s +# endif #endif -#if defined HAVE_BSD_QSORT_R -typedef int (cmpfunc_t)(const void*, const void*, void*); +#if defined HAVE_BSD_QSORT_R struct bsd_qsort_r_args { cmpfunc_t *cmp; void *arg; @@ -339,7 +357,6 @@ typedef struct { char *LL, *RR; } stack_node; /* Stack structure for L,l,R,r */ ((*cmp)((b),(c),d)<0 ? (b) : ((*cmp)((a),(c),d)<0 ? (c) : (a))) : \ ((*cmp)((b),(c),d)>0 ? (b) : ((*cmp)((a),(c),d)<0 ? (a) : (c)))) -typedef int (cmpfunc_t)(const void*, const void*, void*); void ruby_qsort(void* base, const size_t nel, const size_t size, cmpfunc_t *cmp, void *d) { |