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Annotation of 43BSD/contrib/mh/sbr/add.c, revision 1.1

1.1     ! root        1: /* add.c - concatenate two strings in managed memory */
        !             2: 
        !             3: #include "../h/mh.h"
        !             4: #include <stdio.h>
        !             5: 
        !             6: 
        !             7: char   *add (this, that)
        !             8: register char  *this,
        !             9:                *that;
        !            10: {
        !            11:     register char  *cp;
        !            12: 
        !            13:     if (!this)
        !            14:        this = "";
        !            15:     if (!that)
        !            16:        that = "";
        !            17:     if ((cp = malloc ((unsigned) (strlen (this) + strlen (that) + 1))) == NULL)
        !            18:        adios (NULLCP, "unable to allocate string storage");
        !            19: 
        !            20:     (void) sprintf (cp, "%s%s", that, this);
        !            21:     if (*that)
        !            22:        free (that);
        !            23:     return cp;
        !            24: }

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