allocate « char « C Array Q&A

1. Allocating char array using malloc    stackoverflow.com

Hi recently I saw a lot of code on online(also on SO;) like:

   char *p = malloc( sizeof(char) * ( len + 1 ) );

2. what happens with strcat and statically allocated character arrays?    stackoverflow.com

I found this in some legacy code.

static char title1[] = "SUMMARY REPORT";
static char title2[] = "PERIOD: ";

...

strcat(title2, "10/10/2011");

3. Allocating space and concatenating to a unsigned char array in c    stackoverflow.com

I'm creating an image compressor for a project. I generate codes for the values in the image in such a way that for every grey value (from 0-254) there is a ...

4. Why can't i allocate char *array? or other problem?    cboard.cprogramming.com

Code: #include #include #include int min(int a, int b) { return (a <= b ? a : b); } void init(char *a, char *b, int lengthA, int lengthB) { char s[4] = {'A', 'C', 'G', 'T'}; FILE *fData; int i; printf("%d", 4); fData = fopen("longest-common-subsequence.dat", "wt"); for (i = 0; i < lengthA; i++) a[i] = s[rand()%4]; for ...