53 lines
943 B
C
53 lines
943 B
C
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// strdupAvecBug !!
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#include <stdio.h>
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#include <string.h>
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#include <malloc.h>
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char *strdup2(char *) ; // prototype
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main()
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{
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char *t1 = "hello how are you ?" ;
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char t2[20] ;
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char *r ;
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strcpy(t2, "TORTUE") ;
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r = (char *) strdup(t1) ; // appel à la fonction existante
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printf( "%s\n ", r );
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printf( "%d\n ", strlen(r) );
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r = ( char *) strdup(t2) ;
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printf( "%s\n ", r );
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printf( "%d\n ", strlen(r) );
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// =========================
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// and now the same thing with personal function strdup2 !!
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printf( "%s\n ", "Resultats avec STRDUP2" );
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r = strdup2(t1) ;
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printf( "%s\n ", r );
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printf( "%d\n ", strlen(r) );
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r = strdup2(t2) ;
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printf( "%s\n ", r );
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printf( "%d\n ", strlen(r) );
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}
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char *strdup2(char *s)
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{
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char *r ;
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int n = strlen(s);
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r = (char* )malloc( (n + 1) * sizeof(char) );
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while(*s)
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{
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*r = *s ;
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r++;
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s++;
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}
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*r='\0';
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return r-n;
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}
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