| // Copyright 2012 Google Inc. All Rights Reserved. |
| // |
| // Use of this source code is governed by a BSD-style license |
| // that can be found in the COPYING file in the root of the source |
| // tree. An additional intellectual property rights grant can be found |
| // in the file PATENTS. All contributing project authors may |
| // be found in the AUTHORS file in the root of the source tree. |
| // ----------------------------------------------------------------------------- |
| // |
| // Utility functions used by the example programs. |
| // |
| |
| #ifndef WEBP_EXAMPLES_EXAMPLE_UTIL_H_ |
| #define WEBP_EXAMPLES_EXAMPLE_UTIL_H_ |
| |
| #include "webp/types.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| //------------------------------------------------------------------------------ |
| // String parsing |
| |
| // Parses 'v' using strto(ul|l|d)(). If error is non-NULL, '*error' is set to |
| // true on failure while on success it is left unmodified to allow chaining of |
| // calls. An error is only printed on the first occurrence. |
| uint32_t ExUtilGetUInt(const char* const v, int base, int* const error); |
| int ExUtilGetInt(const char* const v, int base, int* const error); |
| float ExUtilGetFloat(const char* const v, int* const error); |
| |
| // This variant of ExUtilGetInt() will parse multiple integers from a |
| // comma-separated list. Up to 'max_output' integers are parsed. |
| // The result is placed in the output[] array, and the number of integers |
| // actually parsed is returned, or -1 if an error occurred. |
| int ExUtilGetInts(const char* v, int base, int max_output, int output[]); |
| |
| #ifdef __cplusplus |
| } // extern "C" |
| #endif |
| |
| #endif // WEBP_EXAMPLES_EXAMPLE_UTIL_H_ |