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Top Forums Programming Segmentation fault when I pass a char pointer to a function in C. Post 303016203 by Don Cragun on Saturday 21st of April 2018 02:11:23 PM
Old 04-21-2018
The initializer in char* tmp = "hello"; is a string constant. The C compiler is allowed to store string constants in read-only memory. If you want to overwrite a string, that string cannot be a string constant.
 

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string.h(3HEAD) 						      Headers							   string.h(3HEAD)

NAME
string.h, string - string operations SYNOPSIS
#include <string.h> DESCRIPTION
The <string.h> header defines the following: NULL null pointer constant size_t as described in <stddef.h> ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Standard | +-----------------------------+-----------------------------+ SEE ALSO
memory(3C), strcoll(3C), string(3C), strxfrm(3C), stddef.h(3HEAD), types.h(3HEAD), attributes(5), standards(5) SunOS 5.10 10 Sep 2004 string.h(3HEAD)
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