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ebee57f4d1
decoding and file i/o have been split to imageio, all that remains is some string routines used for parameter parsing in the examples Change-Id: I77386cd8aa39124b9e14c95fdbaa17ea4ab5bb24
46 lines
1.4 KiB
C
46 lines
1.4 KiB
C
// Copyright 2012 Google Inc. All Rights Reserved.
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//
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// Use of this source code is governed by a BSD-style license
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// that can be found in the COPYING file in the root of the source
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// tree. An additional intellectual property rights grant can be found
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// in the file PATENTS. All contributing project authors may
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// be found in the AUTHORS file in the root of the source tree.
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// -----------------------------------------------------------------------------
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//
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// Utility functions used by the example programs.
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//
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#include "./example_util.h"
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#include <stdio.h>
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#include <stdlib.h>
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//------------------------------------------------------------------------------
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// String parsing
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uint32_t ExUtilGetUInt(const char* const v, int base, int* const error) {
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char* end = NULL;
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const uint32_t n = (v != NULL) ? (uint32_t)strtoul(v, &end, base) : 0u;
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if (end == v && error != NULL && !*error) {
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*error = 1;
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fprintf(stderr, "Error! '%s' is not an integer.\n",
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(v != NULL) ? v : "(null)");
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}
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return n;
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}
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int ExUtilGetInt(const char* const v, int base, int* const error) {
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return (int)ExUtilGetUInt(v, base, error);
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}
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float ExUtilGetFloat(const char* const v, int* const error) {
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char* end = NULL;
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const float f = (v != NULL) ? (float)strtod(v, &end) : 0.f;
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if (end == v && error != NULL && !*error) {
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*error = 1;
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fprintf(stderr, "Error! '%s' is not a floating point number.\n",
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(v != NULL) ? v : "(null)");
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}
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return f;
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}
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