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Diffstat (limited to 'fluent-bit/lib/jansson-e23f558/src/pack_unpack.c')
-rw-r--r--fluent-bit/lib/jansson-e23f558/src/pack_unpack.c936
1 files changed, 936 insertions, 0 deletions
diff --git a/fluent-bit/lib/jansson-e23f558/src/pack_unpack.c b/fluent-bit/lib/jansson-e23f558/src/pack_unpack.c
new file mode 100644
index 000000000..a796ed4fe
--- /dev/null
+++ b/fluent-bit/lib/jansson-e23f558/src/pack_unpack.c
@@ -0,0 +1,936 @@
+/*
+ * Copyright (c) 2009-2016 Petri Lehtinen <petri@digip.org>
+ * Copyright (c) 2011-2012 Graeme Smecher <graeme.smecher@mail.mcgill.ca>
+ *
+ * Jansson is free software; you can redistribute it and/or modify
+ * it under the terms of the MIT license. See LICENSE for details.
+ */
+
+#include "jansson.h"
+#include "jansson_private.h"
+#include "utf.h"
+#include <string.h>
+
+typedef struct {
+ int line;
+ int column;
+ size_t pos;
+ char token;
+} token_t;
+
+typedef struct {
+ const char *start;
+ const char *fmt;
+ token_t prev_token;
+ token_t token;
+ token_t next_token;
+ json_error_t *error;
+ size_t flags;
+ int line;
+ int column;
+ size_t pos;
+ int has_error;
+} scanner_t;
+
+#define token(scanner) ((scanner)->token.token)
+
+static const char *const type_names[] = {"object", "array", "string", "integer",
+ "real", "true", "false", "null"};
+
+#define type_name(x) type_names[json_typeof(x)]
+
+static const char unpack_value_starters[] = "{[siIbfFOon";
+
+static void scanner_init(scanner_t *s, json_error_t *error, size_t flags,
+ const char *fmt) {
+ s->error = error;
+ s->flags = flags;
+ s->fmt = s->start = fmt;
+ memset(&s->prev_token, 0, sizeof(token_t));
+ memset(&s->token, 0, sizeof(token_t));
+ memset(&s->next_token, 0, sizeof(token_t));
+ s->line = 1;
+ s->column = 0;
+ s->pos = 0;
+ s->has_error = 0;
+}
+
+static void next_token(scanner_t *s) {
+ const char *t;
+ s->prev_token = s->token;
+
+ if (s->next_token.line) {
+ s->token = s->next_token;
+ s->next_token.line = 0;
+ return;
+ }
+
+ if (!token(s) && !*s->fmt)
+ return;
+
+ t = s->fmt;
+ s->column++;
+ s->pos++;
+
+ /* skip space and ignored chars */
+ while (*t == ' ' || *t == '\t' || *t == '\n' || *t == ',' || *t == ':') {
+ if (*t == '\n') {
+ s->line++;
+ s->column = 1;
+ } else
+ s->column++;
+
+ s->pos++;
+ t++;
+ }
+
+ s->token.token = *t;
+ s->token.line = s->line;
+ s->token.column = s->column;
+ s->token.pos = s->pos;
+
+ if (*t)
+ t++;
+ s->fmt = t;
+}
+
+static void prev_token(scanner_t *s) {
+ s->next_token = s->token;
+ s->token = s->prev_token;
+}
+
+static void set_error(scanner_t *s, const char *source, enum json_error_code code,
+ const char *fmt, ...) {
+ va_list ap;
+ va_start(ap, fmt);
+
+ jsonp_error_vset(s->error, s->token.line, s->token.column, s->token.pos, code, fmt,
+ ap);
+
+ jsonp_error_set_source(s->error, source);
+
+ va_end(ap);
+}
+
+static json_t *pack(scanner_t *s, va_list *ap);
+
+/* ours will be set to 1 if jsonp_free() must be called for the result
+ afterwards */
+static char *read_string(scanner_t *s, va_list *ap, const char *purpose, size_t *out_len,
+ int *ours, int optional) {
+ char t;
+ strbuffer_t strbuff;
+ const char *str;
+ size_t length;
+
+ next_token(s);
+ t = token(s);
+ prev_token(s);
+
+ *ours = 0;
+ if (t != '#' && t != '%' && t != '+') {
+ /* Optimize the simple case */
+ str = va_arg(*ap, const char *);
+
+ if (!str) {
+ if (!optional) {
+ set_error(s, "<args>", json_error_null_value, "NULL %s", purpose);
+ s->has_error = 1;
+ }
+ return NULL;
+ }
+
+ length = strlen(str);
+
+ if (!utf8_check_string(str, length)) {
+ set_error(s, "<args>", json_error_invalid_utf8, "Invalid UTF-8 %s", purpose);
+ s->has_error = 1;
+ return NULL;
+ }
+
+ *out_len = length;
+ return (char *)str;
+ } else if (optional) {
+ set_error(s, "<format>", json_error_invalid_format,
+ "Cannot use '%c' on optional strings", t);
+ s->has_error = 1;
+
+ return NULL;
+ }
+
+ if (strbuffer_init(&strbuff)) {
+ set_error(s, "<internal>", json_error_out_of_memory, "Out of memory");
+ s->has_error = 1;
+ }
+
+ while (1) {
+ str = va_arg(*ap, const char *);
+ if (!str) {
+ set_error(s, "<args>", json_error_null_value, "NULL %s", purpose);
+ s->has_error = 1;
+ }
+
+ next_token(s);
+
+ if (token(s) == '#') {
+ length = va_arg(*ap, int);
+ } else if (token(s) == '%') {
+ length = va_arg(*ap, size_t);
+ } else {
+ prev_token(s);
+ length = s->has_error ? 0 : strlen(str);
+ }
+
+ if (!s->has_error && strbuffer_append_bytes(&strbuff, str, length) == -1) {
+ set_error(s, "<internal>", json_error_out_of_memory, "Out of memory");
+ s->has_error = 1;
+ }
+
+ next_token(s);
+ if (token(s) != '+') {
+ prev_token(s);
+ break;
+ }
+ }
+
+ if (s->has_error) {
+ strbuffer_close(&strbuff);
+ return NULL;
+ }
+
+ if (!utf8_check_string(strbuff.value, strbuff.length)) {
+ set_error(s, "<args>", json_error_invalid_utf8, "Invalid UTF-8 %s", purpose);
+ strbuffer_close(&strbuff);
+ s->has_error = 1;
+ return NULL;
+ }
+
+ *out_len = strbuff.length;
+ *ours = 1;
+ return strbuffer_steal_value(&strbuff);
+}
+
+static json_t *pack_object(scanner_t *s, va_list *ap) {
+ json_t *object = json_object();
+ next_token(s);
+
+ while (token(s) != '}') {
+ char *key;
+ size_t len;
+ int ours;
+ json_t *value;
+ char valueOptional;
+
+ if (!token(s)) {
+ set_error(s, "<format>", json_error_invalid_format,
+ "Unexpected end of format string");
+ goto error;
+ }
+
+ if (token(s) != 's') {
+ set_error(s, "<format>", json_error_invalid_format,
+ "Expected format 's', got '%c'", token(s));
+ goto error;
+ }
+
+ key = read_string(s, ap, "object key", &len, &ours, 0);
+
+ next_token(s);
+
+ next_token(s);
+ valueOptional = token(s);
+ prev_token(s);
+
+ value = pack(s, ap);
+ if (!value) {
+ if (ours)
+ jsonp_free(key);
+
+ if (valueOptional != '*') {
+ set_error(s, "<args>", json_error_null_value, "NULL object value");
+ s->has_error = 1;
+ }
+
+ next_token(s);
+ continue;
+ }
+
+ if (s->has_error)
+ json_decref(value);
+
+ if (!s->has_error && json_object_set_new_nocheck(object, key, value)) {
+ set_error(s, "<internal>", json_error_out_of_memory,
+ "Unable to add key \"%s\"", key);
+ s->has_error = 1;
+ }
+
+ if (ours)
+ jsonp_free(key);
+
+ next_token(s);
+ }
+
+ if (!s->has_error)
+ return object;
+
+error:
+ json_decref(object);
+ return NULL;
+}
+
+static json_t *pack_array(scanner_t *s, va_list *ap) {
+ json_t *array = json_array();
+ next_token(s);
+
+ while (token(s) != ']') {
+ json_t *value;
+ char valueOptional;
+
+ if (!token(s)) {
+ set_error(s, "<format>", json_error_invalid_format,
+ "Unexpected end of format string");
+ /* Format string errors are unrecoverable. */
+ goto error;
+ }
+
+ next_token(s);
+ valueOptional = token(s);
+ prev_token(s);
+
+ value = pack(s, ap);
+ if (!value) {
+ if (valueOptional != '*') {
+ s->has_error = 1;
+ }
+
+ next_token(s);
+ continue;
+ }
+
+ if (s->has_error)
+ json_decref(value);
+
+ if (!s->has_error && json_array_append_new(array, value)) {
+ set_error(s, "<internal>", json_error_out_of_memory,
+ "Unable to append to array");
+ s->has_error = 1;
+ }
+
+ next_token(s);
+ }
+
+ if (!s->has_error)
+ return array;
+
+error:
+ json_decref(array);
+ return NULL;
+}
+
+static json_t *pack_string(scanner_t *s, va_list *ap) {
+ char *str;
+ char t;
+ size_t len;
+ int ours;
+ int optional;
+
+ next_token(s);
+ t = token(s);
+ optional = t == '?' || t == '*';
+ if (!optional)
+ prev_token(s);
+
+ str = read_string(s, ap, "string", &len, &ours, optional);
+
+ if (!str)
+ return t == '?' && !s->has_error ? json_null() : NULL;
+
+ if (s->has_error) {
+ /* It's impossible to reach this point if ours != 0, do not free str. */
+ return NULL;
+ }
+
+ if (ours)
+ return jsonp_stringn_nocheck_own(str, len);
+
+ return json_stringn_nocheck(str, len);
+}
+
+static json_t *pack_object_inter(scanner_t *s, va_list *ap, int need_incref) {
+ json_t *json;
+ char ntoken;
+
+ next_token(s);
+ ntoken = token(s);
+
+ if (ntoken != '?' && ntoken != '*')
+ prev_token(s);
+
+ json = va_arg(*ap, json_t *);
+
+ if (json)
+ return need_incref ? json_incref(json) : json;
+
+ switch (ntoken) {
+ case '?':
+ return json_null();
+ case '*':
+ return NULL;
+ default:
+ break;
+ }
+
+ set_error(s, "<args>", json_error_null_value, "NULL object");
+ s->has_error = 1;
+ return NULL;
+}
+
+static json_t *pack_integer(scanner_t *s, json_int_t value) {
+ json_t *json = json_integer(value);
+
+ if (!json) {
+ set_error(s, "<internal>", json_error_out_of_memory, "Out of memory");
+ s->has_error = 1;
+ }
+
+ return json;
+}
+
+static json_t *pack_real(scanner_t *s, double value) {
+ /* Allocate without setting value so we can identify OOM error. */
+ json_t *json = json_real(0.0);
+
+ if (!json) {
+ set_error(s, "<internal>", json_error_out_of_memory, "Out of memory");
+ s->has_error = 1;
+
+ return NULL;
+ }
+
+ if (json_real_set(json, value)) {
+ json_decref(json);
+
+ set_error(s, "<args>", json_error_numeric_overflow,
+ "Invalid floating point value");
+ s->has_error = 1;
+
+ return NULL;
+ }
+
+ return json;
+}
+
+static json_t *pack(scanner_t *s, va_list *ap) {
+ switch (token(s)) {
+ case '{':
+ return pack_object(s, ap);
+
+ case '[':
+ return pack_array(s, ap);
+
+ case 's': /* string */
+ return pack_string(s, ap);
+
+ case 'n': /* null */
+ return json_null();
+
+ case 'b': /* boolean */
+ return va_arg(*ap, int) ? json_true() : json_false();
+
+ case 'i': /* integer from int */
+ return pack_integer(s, va_arg(*ap, int));
+
+ case 'I': /* integer from json_int_t */
+ return pack_integer(s, va_arg(*ap, json_int_t));
+
+ case 'f': /* real */
+ return pack_real(s, va_arg(*ap, double));
+
+ case 'O': /* a json_t object; increments refcount */
+ return pack_object_inter(s, ap, 1);
+
+ case 'o': /* a json_t object; doesn't increment refcount */
+ return pack_object_inter(s, ap, 0);
+
+ default:
+ set_error(s, "<format>", json_error_invalid_format,
+ "Unexpected format character '%c'", token(s));
+ s->has_error = 1;
+ return NULL;
+ }
+}
+
+static int unpack(scanner_t *s, json_t *root, va_list *ap);
+
+static int unpack_object(scanner_t *s, json_t *root, va_list *ap) {
+ int ret = -1;
+ int strict = 0;
+ int gotopt = 0;
+
+ /* Use a set (emulated by a hashtable) to check that all object
+ keys are accessed. Checking that the correct number of keys
+ were accessed is not enough, as the same key can be unpacked
+ multiple times.
+ */
+ hashtable_t key_set;
+
+ if (hashtable_init(&key_set)) {
+ set_error(s, "<internal>", json_error_out_of_memory, "Out of memory");
+ return -1;
+ }
+
+ if (root && !json_is_object(root)) {
+ set_error(s, "<validation>", json_error_wrong_type, "Expected object, got %s",
+ type_name(root));
+ goto out;
+ }
+ next_token(s);
+
+ while (token(s) != '}') {
+ const char *key;
+ json_t *value;
+ int opt = 0;
+
+ if (strict != 0) {
+ set_error(s, "<format>", json_error_invalid_format,
+ "Expected '}' after '%c', got '%c'", (strict == 1 ? '!' : '*'),
+ token(s));
+ goto out;
+ }
+
+ if (!token(s)) {
+ set_error(s, "<format>", json_error_invalid_format,
+ "Unexpected end of format string");
+ goto out;
+ }
+
+ if (token(s) == '!' || token(s) == '*') {
+ strict = (token(s) == '!' ? 1 : -1);
+ next_token(s);
+ continue;
+ }
+
+ if (token(s) != 's') {
+ set_error(s, "<format>", json_error_invalid_format,
+ "Expected format 's', got '%c'", token(s));
+ goto out;
+ }
+
+ key = va_arg(*ap, const char *);
+ if (!key) {
+ set_error(s, "<args>", json_error_null_value, "NULL object key");
+ goto out;
+ }
+
+ next_token(s);
+
+ if (token(s) == '?') {
+ opt = gotopt = 1;
+ next_token(s);
+ }
+
+ if (!root) {
+ /* skipping */
+ value = NULL;
+ } else {
+ value = json_object_get(root, key);
+ if (!value && !opt) {
+ set_error(s, "<validation>", json_error_item_not_found,
+ "Object item not found: %s", key);
+ goto out;
+ }
+ }
+
+ if (unpack(s, value, ap))
+ goto out;
+
+ hashtable_set(&key_set, key, strlen(key), json_null());
+ next_token(s);
+ }
+
+ if (strict == 0 && (s->flags & JSON_STRICT))
+ strict = 1;
+
+ if (root && strict == 1) {
+ /* We need to check that all non optional items have been parsed */
+ const char *key;
+ size_t key_len;
+ /* keys_res is 1 for uninitialized, 0 for success, -1 for error. */
+ int keys_res = 1;
+ strbuffer_t unrecognized_keys;
+ json_t *value;
+ long unpacked = 0;
+
+ if (gotopt || json_object_size(root) != key_set.size) {
+ json_object_keylen_foreach(root, key, key_len, value) {
+ if (!hashtable_get(&key_set, key, key_len)) {
+ unpacked++;
+
+ /* Save unrecognized keys for the error message */
+ if (keys_res == 1) {
+ keys_res = strbuffer_init(&unrecognized_keys);
+ } else if (!keys_res) {
+ keys_res = strbuffer_append_bytes(&unrecognized_keys, ", ", 2);
+ }
+
+ if (!keys_res)
+ keys_res =
+ strbuffer_append_bytes(&unrecognized_keys, key, key_len);
+ }
+ }
+ }
+ if (unpacked) {
+ set_error(s, "<validation>", json_error_end_of_input_expected,
+ "%li object item(s) left unpacked: %s", unpacked,
+ keys_res ? "<unknown>" : strbuffer_value(&unrecognized_keys));
+ strbuffer_close(&unrecognized_keys);
+ goto out;
+ }
+ }
+
+ ret = 0;
+
+out:
+ hashtable_close(&key_set);
+ return ret;
+}
+
+static int unpack_array(scanner_t *s, json_t *root, va_list *ap) {
+ size_t i = 0;
+ int strict = 0;
+
+ if (root && !json_is_array(root)) {
+ set_error(s, "<validation>", json_error_wrong_type, "Expected array, got %s",
+ type_name(root));
+ return -1;
+ }
+ next_token(s);
+
+ while (token(s) != ']') {
+ json_t *value;
+
+ if (strict != 0) {
+ set_error(s, "<format>", json_error_invalid_format,
+ "Expected ']' after '%c', got '%c'", (strict == 1 ? '!' : '*'),
+ token(s));
+ return -1;
+ }
+
+ if (!token(s)) {
+ set_error(s, "<format>", json_error_invalid_format,
+ "Unexpected end of format string");
+ return -1;
+ }
+
+ if (token(s) == '!' || token(s) == '*') {
+ strict = (token(s) == '!' ? 1 : -1);
+ next_token(s);
+ continue;
+ }
+
+ if (!strchr(unpack_value_starters, token(s))) {
+ set_error(s, "<format>", json_error_invalid_format,
+ "Unexpected format character '%c'", token(s));
+ return -1;
+ }
+
+ if (!root) {
+ /* skipping */
+ value = NULL;
+ } else {
+ value = json_array_get(root, i);
+ if (!value) {
+ set_error(s, "<validation>", json_error_index_out_of_range,
+ "Array index %lu out of range", (unsigned long)i);
+ return -1;
+ }
+ }
+
+ if (unpack(s, value, ap))
+ return -1;
+
+ next_token(s);
+ i++;
+ }
+
+ if (strict == 0 && (s->flags & JSON_STRICT))
+ strict = 1;
+
+ if (root && strict == 1 && i != json_array_size(root)) {
+ long diff = (long)json_array_size(root) - (long)i;
+ set_error(s, "<validation>", json_error_end_of_input_expected,
+ "%li array item(s) left unpacked", diff);
+ return -1;
+ }
+
+ return 0;
+}
+
+static int unpack(scanner_t *s, json_t *root, va_list *ap) {
+ switch (token(s)) {
+ case '{':
+ return unpack_object(s, root, ap);
+
+ case '[':
+ return unpack_array(s, root, ap);
+
+ case 's':
+ if (root && !json_is_string(root)) {
+ set_error(s, "<validation>", json_error_wrong_type,
+ "Expected string, got %s", type_name(root));
+ return -1;
+ }
+
+ if (!(s->flags & JSON_VALIDATE_ONLY)) {
+ const char **str_target;
+ size_t *len_target = NULL;
+
+ str_target = va_arg(*ap, const char **);
+ if (!str_target) {
+ set_error(s, "<args>", json_error_null_value, "NULL string argument");
+ return -1;
+ }
+
+ next_token(s);
+
+ if (token(s) == '%') {
+ len_target = va_arg(*ap, size_t *);
+ if (!len_target) {
+ set_error(s, "<args>", json_error_null_value,
+ "NULL string length argument");
+ return -1;
+ }
+ } else
+ prev_token(s);
+
+ if (root) {
+ *str_target = json_string_value(root);
+ if (len_target)
+ *len_target = json_string_length(root);
+ }
+ }
+ return 0;
+
+ case 'i':
+ if (root && !json_is_integer(root)) {
+ set_error(s, "<validation>", json_error_wrong_type,
+ "Expected integer, got %s", type_name(root));
+ return -1;
+ }
+
+ if (!(s->flags & JSON_VALIDATE_ONLY)) {
+ int *target = va_arg(*ap, int *);
+ if (root)
+ *target = (int)json_integer_value(root);
+ }
+
+ return 0;
+
+ case 'I':
+ if (root && !json_is_integer(root)) {
+ set_error(s, "<validation>", json_error_wrong_type,
+ "Expected integer, got %s", type_name(root));
+ return -1;
+ }
+
+ if (!(s->flags & JSON_VALIDATE_ONLY)) {
+ json_int_t *target = va_arg(*ap, json_int_t *);
+ if (root)
+ *target = json_integer_value(root);
+ }
+
+ return 0;
+
+ case 'b':
+ if (root && !json_is_boolean(root)) {
+ set_error(s, "<validation>", json_error_wrong_type,
+ "Expected true or false, got %s", type_name(root));
+ return -1;
+ }
+
+ if (!(s->flags & JSON_VALIDATE_ONLY)) {
+ int *target = va_arg(*ap, int *);
+ if (root)
+ *target = json_is_true(root);
+ }
+
+ return 0;
+
+ case 'f':
+ if (root && !json_is_real(root)) {
+ set_error(s, "<validation>", json_error_wrong_type,
+ "Expected real, got %s", type_name(root));
+ return -1;
+ }
+
+ if (!(s->flags & JSON_VALIDATE_ONLY)) {
+ double *target = va_arg(*ap, double *);
+ if (root)
+ *target = json_real_value(root);
+ }
+
+ return 0;
+
+ case 'F':
+ if (root && !json_is_number(root)) {
+ set_error(s, "<validation>", json_error_wrong_type,
+ "Expected real or integer, got %s", type_name(root));
+ return -1;
+ }
+
+ if (!(s->flags & JSON_VALIDATE_ONLY)) {
+ double *target = va_arg(*ap, double *);
+ if (root)
+ *target = json_number_value(root);
+ }
+
+ return 0;
+
+ case 'O':
+ if (root && !(s->flags & JSON_VALIDATE_ONLY))
+ json_incref(root);
+ /* Fall through */
+
+ case 'o':
+ if (!(s->flags & JSON_VALIDATE_ONLY)) {
+ json_t **target = va_arg(*ap, json_t **);
+ if (root)
+ *target = root;
+ }
+
+ return 0;
+
+ case 'n':
+ /* Never assign, just validate */
+ if (root && !json_is_null(root)) {
+ set_error(s, "<validation>", json_error_wrong_type,
+ "Expected null, got %s", type_name(root));
+ return -1;
+ }
+ return 0;
+
+ default:
+ set_error(s, "<format>", json_error_invalid_format,
+ "Unexpected format character '%c'", token(s));
+ return -1;
+ }
+}
+
+json_t *json_vpack_ex(json_error_t *error, size_t flags, const char *fmt, va_list ap) {
+ scanner_t s;
+ va_list ap_copy;
+ json_t *value;
+
+ if (!fmt || !*fmt) {
+ jsonp_error_init(error, "<format>");
+ jsonp_error_set(error, -1, -1, 0, json_error_invalid_argument,
+ "NULL or empty format string");
+ return NULL;
+ }
+ jsonp_error_init(error, NULL);
+
+ scanner_init(&s, error, flags, fmt);
+ next_token(&s);
+
+ va_copy(ap_copy, ap);
+ value = pack(&s, &ap_copy);
+ va_end(ap_copy);
+
+ /* This will cover all situations where s.has_error is true */
+ if (!value)
+ return NULL;
+
+ next_token(&s);
+ if (token(&s)) {
+ json_decref(value);
+ set_error(&s, "<format>", json_error_invalid_format,
+ "Garbage after format string");
+ return NULL;
+ }
+
+ return value;
+}
+
+json_t *json_pack_ex(json_error_t *error, size_t flags, const char *fmt, ...) {
+ json_t *value;
+ va_list ap;
+
+ va_start(ap, fmt);
+ value = json_vpack_ex(error, flags, fmt, ap);
+ va_end(ap);
+
+ return value;
+}
+
+json_t *json_pack(const char *fmt, ...) {
+ json_t *value;
+ va_list ap;
+
+ va_start(ap, fmt);
+ value = json_vpack_ex(NULL, 0, fmt, ap);
+ va_end(ap);
+
+ return value;
+}
+
+int json_vunpack_ex(json_t *root, json_error_t *error, size_t flags, const char *fmt,
+ va_list ap) {
+ scanner_t s;
+ va_list ap_copy;
+
+ if (!root) {
+ jsonp_error_init(error, "<root>");
+ jsonp_error_set(error, -1, -1, 0, json_error_null_value, "NULL root value");
+ return -1;
+ }
+
+ if (!fmt || !*fmt) {
+ jsonp_error_init(error, "<format>");
+ jsonp_error_set(error, -1, -1, 0, json_error_invalid_argument,
+ "NULL or empty format string");
+ return -1;
+ }
+ jsonp_error_init(error, NULL);
+
+ scanner_init(&s, error, flags, fmt);
+ next_token(&s);
+
+ va_copy(ap_copy, ap);
+ if (unpack(&s, root, &ap_copy)) {
+ va_end(ap_copy);
+ return -1;
+ }
+ va_end(ap_copy);
+
+ next_token(&s);
+ if (token(&s)) {
+ set_error(&s, "<format>", json_error_invalid_format,
+ "Garbage after format string");
+ return -1;
+ }
+
+ return 0;
+}
+
+int json_unpack_ex(json_t *root, json_error_t *error, size_t flags, const char *fmt,
+ ...) {
+ int ret;
+ va_list ap;
+
+ va_start(ap, fmt);
+ ret = json_vunpack_ex(root, error, flags, fmt, ap);
+ va_end(ap);
+
+ return ret;
+}
+
+int json_unpack(json_t *root, const char *fmt, ...) {
+ int ret;
+ va_list ap;
+
+ va_start(ap, fmt);
+ ret = json_vunpack_ex(root, NULL, 0, fmt, ap);
+ va_end(ap);
+
+ return ret;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-31 08:51:33 +0000