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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:34:10 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:34:10 +0000
commite4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc (patch)
tree68cb5ef9081156392f1dd62a00c6ccc1451b93df /wsutil/strtoi.h
parentInitial commit. (diff)
downloadwireshark-e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc.tar.xz
wireshark-e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc.zip
Adding upstream version 4.2.2.upstream/4.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'wsutil/strtoi.h')
-rw-r--r--wsutil/strtoi.h108
1 files changed, 108 insertions, 0 deletions
diff --git a/wsutil/strtoi.h b/wsutil/strtoi.h
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--- /dev/null
+++ b/wsutil/strtoi.h
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+/** @file
+ * Utilities to convert strings to integers
+ *
+ * Copyright 2016, Dario Lombardo
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#ifndef _WS_STRTOI_H
+#define _WS_STRTOI_H
+
+#include <stdbool.h>
+#include <inttypes.h>
+
+#include "ws_symbol_export.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+/*
+ * \brief Convert a decimal string to a signed/unsigned int, with error checks.
+ * \param str The string to convert
+ * \param endptr A pointer that will store a pointer to the first invalid
+ * character in str, allowing a number to be parsed even if there is trailing
+ * whitespace. If NULL, then the string is assumed to contain only valid
+ * characters (or it will error out).
+ * \param cint The converted integer
+ * \return true if the conversion succeeds, false otherwise.
+ * On error, errno is set to EINVAL for unrecognized input and ERANGE
+ * if the resulting number does not fit in the type.
+ */
+WS_DLL_PUBLIC bool ws_strtoi64(const char* str, const char** endptr, int64_t* cint);
+WS_DLL_PUBLIC bool ws_strtoi32(const char* str, const char** endptr, int32_t* cint);
+WS_DLL_PUBLIC bool ws_strtoi16(const char* str, const char** endptr, int16_t* cint);
+WS_DLL_PUBLIC bool ws_strtoi8 (const char* str, const char** endptr, int8_t* cint);
+WS_DLL_PUBLIC bool ws_strtoi (const char* str, const char** endptr, int* cint);
+
+WS_DLL_PUBLIC bool ws_strtou64(const char* str, const char** endptr, uint64_t* cint);
+WS_DLL_PUBLIC bool ws_strtou32(const char* str, const char** endptr, uint32_t* cint);
+WS_DLL_PUBLIC bool ws_strtou16(const char* str, const char** endptr, uint16_t* cint);
+WS_DLL_PUBLIC bool ws_strtou8 (const char* str, const char** endptr, uint8_t* cint);
+WS_DLL_PUBLIC bool ws_strtou (const char* str, const char** endptr, unsigned* cint);
+
+/*
+ * \brief Convert a hexadecimal string to an unsigned int, with error checks.
+ * \param str The string to convert
+ * \param endptr A pointer that will store a pointer to the first invalid
+ * character in str, allowing a number to be parsed even if there is trailing
+ * whitespace. If NULL, then the string is assumed to contain only valid
+ * characters (or it will error out).
+ * \param cint The converted integer
+ * \return true if the conversion succeeds, false otherwise.
+ * On error, errno is set to EINVAL for unrecognized input and ERANGE
+ * if the resulting number does not fit in the type.
+ */
+
+WS_DLL_PUBLIC bool ws_hexstrtou64(const char* str, const char** endptr, uint64_t* cint);
+WS_DLL_PUBLIC bool ws_hexstrtou32(const char* str, const char** endptr, uint32_t* cint);
+WS_DLL_PUBLIC bool ws_hexstrtou16(const char* str, const char** endptr, uint16_t* cint);
+WS_DLL_PUBLIC bool ws_hexstrtou8 (const char* str, const char** endptr, uint8_t* cint);
+WS_DLL_PUBLIC bool ws_hexstrtou (const char* str, const char** endptr, unsigned* cint);
+
+/*
+ * \brief Convert a string in the specified base to an unsigned int, with
+ * error checks.
+ * \param str The string to convert
+ * \param endptr A pointer that will store a pointer to the first invalid
+ * character in str, allowing a number to be parsed even if there is trailing
+ * whitespace. If NULL, then the string is assumed to contain only valid
+ * characters (or it will error out).
+ * \param cint The converted integer
+ * \param base The base for the integer; 0 means "if it begins with 0x,
+ * it's hex, otherwise if it begins with 0, it's octal, otherwise it's
+ * decimal".
+ * \return true if the conversion succeeds, false otherwise.
+ * On error, errno is set to EINVAL for unrecognized input and ERANGE
+ * if the resulting number does not fit in the type.
+ */
+
+WS_DLL_PUBLIC bool ws_basestrtou64(const char* str, const char** endptr, uint64_t* cint, int base);
+WS_DLL_PUBLIC bool ws_basestrtou32(const char* str, const char** endptr, uint32_t* cint, int base);
+WS_DLL_PUBLIC bool ws_basestrtou16(const char* str, const char** endptr, uint16_t* cint, int base);
+WS_DLL_PUBLIC bool ws_basestrtou8 (const char* str, const char** endptr, uint8_t* cint, int base);
+WS_DLL_PUBLIC bool ws_basestrtou (const char* str, const char** endptr, unsigned* cint, int base);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif
+
+/*
+ * Editor modelines - https://www.wireshark.org/tools/modelines.html
+ *
+ * Local variables:
+ * c-basic-offset: 4
+ * tab-width: 8
+ * indent-tabs-mode: t
+ * End:
+ *
+ * vi: set shiftwidth=4 tabstop=8 noexpandtab:
+ * :indentSize=4:tabSize=8:noTabs=false:
+ */