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string.c: fix zero-length array

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* string.c (mapping_buffer): get rid of zero-length array member,
  which is not a part of C90.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56915 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2016-11-28 13:16:00 +00:00
parent f2a1f32f48
commit 78b0d7ac1c
1 changed files with 2 additions and 2 deletions
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4
string.c
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@ -5897,7 +5897,7 @@ typedef struct mapping_buffer {
size_t capa;
size_t used;
struct mapping_buffer *next;
OnigUChar space[0];
OnigUChar space[1];
} mapping_buffer;
static VALUE
@ -5923,7 +5923,7 @@ rb_str_casemap(VALUE source, OnigCaseFoldType *flags, rb_encoding *enc)
if (CASEMAP_DEBUG) {
fprintf(stderr, "Buffer allocation, capa is %"PRIuSIZE"\n", capa); /* for tuning */
}
current_buffer->next = (mapping_buffer*)ALLOC_N(char, sizeof(mapping_buffer)+capa);
current_buffer->next = (mapping_buffer*)ALLOC_N(char, offsetof(mapping_buffer, space)+capa);
current_buffer = current_buffer->next;
current_buffer->next = NULL;
current_buffer->capa = capa;