Initialize array of strings

Question

What is the right way to initialize char     I get coverity error -  Uninitialized pointer read  UNINIT  when trying   char   values   NULL    or  char   values     NULL

User · Answer

This example program illustrates initialization of an array of C strings.

#include <stdio.h>

const char * array[] = {
    "First entry",
    "Second entry",
    "Third entry",
};

#define n_array (sizeof (array) / sizeof (const char *))

int main ()
{
    int i;

    for (i = 0; i < n_array; i++) {
        printf ("%d: %s\n", i, array[i]);
    }
    return 0;
}

It prints out the following:

0: First entry
1: Second entry
2: Third entry

User · Answer

Its fine to just do char   strings   char   strings   NULL  or char   strings    NULL   but to initialize it you d have to use malloc    include  lt stdlib h gt   include  lt stdio h gt   include  lt string h gt   int main           allocate space for 5 pointers to strings     char   strings    char   malloc 5 sizeof char         int i   0        allocate space for each string        here allocate 50 bytes  which is more than enough for the strings     for i   0  i  lt  5  i             printf   d n   i           strings i     char  malloc 50 sizeof char                assign them all something     sprintf strings 0    bird goes tweet        sprintf strings 1    mouse goes squeak        sprintf strings 2    cow goes moo        sprintf strings 3    frog goes croak        sprintf strings 4    what does the fox say            Print it out     for i   0  i  lt  5  i             printf  Line   d length   lu    s n   i  strlen strings i   strings i                 Free each string     for i   0  i  lt  5  i             free strings i                finally release the first string     free strings       return 0

User · Answer

There is no right way  but you can initialize an array of literals   char   values    char       a    b    c      or you can allocate each and initialize it   char   values   malloc sizeof char     s   for            values i    malloc sizeof char    l         or     values i     hello

[c] Initialize array of strings

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