Print Error Function
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Search All Support Resources Support Documentation MathWorks Search MathWorks.com MathWorks Documentation Support Documentation Toggle navigation Trial Software Product Updates Documentation Home MATLAB c error function Examples Functions Release Notes PDF Documentation Programming Scripts and Functions Functions c error codes Error Handling MATLAB Functions error On this page Syntax Description Examples Throw Error Throw Error with Formatted c error handling best practices Message Throw Error Using Structure Related Examples Input Arguments msg msgID A1,...,An errorStruct More About Tips See Also This is machine translation Translated by Mouse over text to
Error.h C
see original. Click the button below to return to the English verison of the page. Back to English × Translate This Page Select Language Bulgarian Catalan Chinese Simplified Chinese Traditional Czech Danish Dutch English Estonian Finnish French German Greek Haitian Creole Hindi Hmong Daw Hungarian Indonesian Italian Japanese Korean Latvian Lithuanian Malay Maltese Norwegian Polish Portuguese c programming error codes Romanian Russian Slovak Slovenian Spanish Swedish Thai Turkish Ukrainian Vietnamese Welsh MathWorks Machine Translation The automated translation of this page is provided by a general purpose third party translator tool. MathWorks does not warrant, and disclaims all liability for, the accuracy, suitability, or fitness for purpose of the translation. Translate errorThrow error and display messagecollapse all in page Syntaxerror(msg) exampleerror(msg,A1,...,An)error(msgID,___)error(errorStruct) exampleDescription exampleerror(msg
) throws an error and displays an error message. error(msg
,A1,...,An) displays an error message that contains formatting conversion characters, such as those used with the MATLAB® sprintf function. Each conversion character in msg is converted to one of the values A1,...,An. error(msgID
,___) includes an error identifier on the exception. The identifier enables you to distinguish errors and to control what happens when MATLAB encounters the errors. You can include any of the input arguments in the previous syntaxes. exampleerror(errorStruct
) throws an error using the fields in a scalar structure. Examplescollapse allThrow Errormsg = 'Error occurred.'; error(msg)Error occ
of a library call. The functions strerror and perror give you the standard error message for a given error code; the variable program_invocation_short_name gives you convenient access to the name of the program that encountered error in c program the error. Function: char * strerror (int errnum) Preliminary: | MT-Unsafe race:strerror | AS-Unsafe
Error Handling In C++
heap i18n | AC-Unsafe mem | See POSIX Safety Concepts. The strerror function maps the error code (see Checking for Errors) specified
C Stderr
by the errnum argument to a descriptive error message string. The return value is a pointer to this string. The value errnum normally comes from the variable errno. You should not modify the string returned https://www.mathworks.com/help/matlab/ref/error.html by strerror. Also, if you make subsequent calls to strerror, the string might be overwritten. (But it’s guaranteed that no library function ever calls strerror behind your back.) The function strerror is declared in string.h. Function: char * strerror_r (int errnum, char *buf, size_t n) Preliminary: | MT-Safe | AS-Unsafe i18n | AC-Unsafe | See POSIX Safety Concepts. The strerror_r function works like strerror but instead of returning the error message in http://www.gnu.org/s/libc/manual/html_node/Error-Messages.html a statically allocated buffer shared by all threads in the process, it returns a private copy for the thread. This might be either some permanent global data or a message string in the user supplied buffer starting at buf with the length of n bytes. At most n characters are written (including the NUL byte) so it is up to the user to select a buffer large enough. This function should always be used in multi-threaded programs since there is no way to guarantee the string returned by strerror really belongs to the last call of the current thread. The function strerror_r is a GNU extension and it is declared in string.h. Function: void perror (const char *message) Preliminary: | MT-Safe race:stderr | AS-Unsafe corrupt i18n heap lock | AC-Unsafe corrupt lock mem fd | See POSIX Safety Concepts. This function prints an error message to the stream stderr; see Standard Streams. The orientation of stderr is not changed. If you call perror with a message that is either a null pointer or an empty string, perror just prints the error message corresponding to errno, adding a trailing newline. If you supply a non-null message argument, then perror prefixes its output with this string. It adds a colon and a space character to sep
resources Windows Server 2012 resources Programs MSDN subscriptions Overview Benefits Administrators Students Microsoft Imagine Microsoft Student Partners ISV Startups TechRewards Events Community Magazine Forums Blogs Channel 9 Documentation APIs and reference Dev centers Samples Retired content We’re sorry. The content you requested has https://msdn.microsoft.com/en-us/library/dd355305.aspx been removed. You’ll be auto redirected in 1 second. C/SIDE Reference Guide C/AL Functions Dialog Data Type Dialog Data Type ERROR ERROR ERROR BEEP CLOSE CONFIRM ERROR INPUT MESSAGE OPEN STRMENU UPDATE YIELD TOC Collapse the table of content Expand the table of content This documentation is archived and is not being maintained. This documentation is archived and is not being maintained. ERROR Function (Dialog) Microsoft Dynamics Nav 2009 Other Versions Microsoft Dynamics NAV c error 2016 Microsoft Dynamics NAV 2015 Microsoft Dynamics NAV 2013 R2 Microsoft Dynamics NAV 2013 Displays an error message and ends the execution of C/AL code. Copy ERROR(String [, Value1, …]) Parameters String Type: Text constant or code This string contains the text of the error message you want to display to the user. Use percent signs (%) or number signs (#) to insert variable values into the string. Place the percent or number signs where print error function you want to substitute the variable value. The string can be a text constant that is enabled for multilanguage functionality. For more information, see Working with Multilanguage Functionality. Value1,… Type: Any Any variable or expression to be inserted in String. You can insert up to 10 values. For '#'-type fields, the value is truncated according to the total number of number-sign characters in String. For '%'-type fields, the full length of the value is printed. Remarks The window is automatically sized to hold the longest line of text and total number of lines. Programming Guidelines We recommend the following guidelines for error messages: Describe what is wrong and how to solve the problem. Write a short descriptive message. Do not use more words than necessary. Always end the error message with a period. Use a text constant for the text of the message. For more information, see Progress Windows, MESSAGE, ERROR and CONFIRM Functions. Example This example shows how to use the ERROR function. The code example requires you to create the following variables and text constants in the C/AL Globals window. Variable name DataType AccountNo Integer Text Constant ENU Value Text000 Finance Account #1#### must not be blocked. Text001 Placeholder message. Copy AccountNo := 1230; // The execution stops when the error statement is executed // and all following state