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lejp: handle empty arrays

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This commit is contained in:
Andy Green 2017-10-29 16:26:10 +08:00
parent 09f59ba3b8
commit a76e9aad11
1 changed files with 21 additions and 0 deletions
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21
lib/misc/lejp.c
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@ -424,6 +424,26 @@ lejp_parse(struct lejp_ctx *ctx, const unsigned char *json, int len)
}
goto add_stack_level;
case ']':
/* pop */
ctx->sp--;
if (ctx->st[ctx->sp].s != LEJP_MP_ARRAY_END) {
ret = LEJP_REJECT_MP_C_OR_E_NOTARRAY;
goto reject;
}
/* drop the path [n] bit */
ctx->ppos = ctx->st[ctx->sp - 1].p;
ctx->ipos = ctx->st[ctx->sp - 1].i;
ctx->path[ctx->ppos] = '\0';
if (ctx->path_match &&
ctx->ppos <= ctx->path_match_len)
/*
* we shrank the path to be
* smaller than the matching point
*/
ctx->path_match = 0;
goto array_end;
case 't': /* true */
ctx->uni = 0;
ctx->st[ctx->sp].s = LEJP_MP_VALUE_TOK;
@ -644,6 +664,7 @@ lejp_parse(struct lejp_ctx *ctx, const unsigned char *json, int len)
goto reject;
case LEJP_MP_ARRAY_END:
array_end:
ctx->path[ctx->ppos] = '\0';
if (c == ',') {
/* increment this stack level's index */