1*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 2*0Sstevel@tonic-gate 3*0Sstevel@tonic-gate /* static char elsieid[] = "@(#)ialloc.c 8.29"; */ 4*0Sstevel@tonic-gate 5*0Sstevel@tonic-gate /*LINTLIBRARY*/ 6*0Sstevel@tonic-gate 7*0Sstevel@tonic-gate #include "private.h" 8*0Sstevel@tonic-gate 9*0Sstevel@tonic-gate #define nonzero(n) (((n) == 0) ? 1 : (n)) 10*0Sstevel@tonic-gate 11*0Sstevel@tonic-gate char * imalloc(n)12*0Sstevel@tonic-gateimalloc(n) 13*0Sstevel@tonic-gate const int n; 14*0Sstevel@tonic-gate { 15*0Sstevel@tonic-gate return (malloc((size_t) nonzero(n))); 16*0Sstevel@tonic-gate } 17*0Sstevel@tonic-gate 18*0Sstevel@tonic-gate void * irealloc(pointer,size)19*0Sstevel@tonic-gateirealloc(pointer, size) 20*0Sstevel@tonic-gate void * const pointer; 21*0Sstevel@tonic-gate const int size; 22*0Sstevel@tonic-gate { 23*0Sstevel@tonic-gate if (pointer == NULL) 24*0Sstevel@tonic-gate return (imalloc(size)); 25*0Sstevel@tonic-gate return (realloc((void *) pointer, (size_t) nonzero(size))); 26*0Sstevel@tonic-gate } 27*0Sstevel@tonic-gate 28*0Sstevel@tonic-gate char * icatalloc(old,new)29*0Sstevel@tonic-gateicatalloc(old, new) 30*0Sstevel@tonic-gate char * const old; 31*0Sstevel@tonic-gate const char * const new; 32*0Sstevel@tonic-gate { 33*0Sstevel@tonic-gate register char * result; 34*0Sstevel@tonic-gate register int oldsize, newsize; 35*0Sstevel@tonic-gate 36*0Sstevel@tonic-gate newsize = (new == NULL) ? 0 : strlen(new); 37*0Sstevel@tonic-gate if (old == NULL) 38*0Sstevel@tonic-gate oldsize = 0; 39*0Sstevel@tonic-gate else if (newsize == 0) 40*0Sstevel@tonic-gate return (old); 41*0Sstevel@tonic-gate else oldsize = strlen(old); 42*0Sstevel@tonic-gate if ((result = irealloc(old, oldsize + newsize + 1)) != NULL) 43*0Sstevel@tonic-gate if (new != NULL) 44*0Sstevel@tonic-gate (void) strcpy(result + oldsize, new); 45*0Sstevel@tonic-gate return (result); 46*0Sstevel@tonic-gate } 47*0Sstevel@tonic-gate 48*0Sstevel@tonic-gate char * icpyalloc(string)49*0Sstevel@tonic-gateicpyalloc(string) 50*0Sstevel@tonic-gate const char * const string; 51*0Sstevel@tonic-gate { 52*0Sstevel@tonic-gate return (icatalloc((char *) NULL, string)); 53*0Sstevel@tonic-gate } 54*0Sstevel@tonic-gate 55*0Sstevel@tonic-gate void ifree(p)56*0Sstevel@tonic-gateifree(p) 57*0Sstevel@tonic-gate char * const p; 58*0Sstevel@tonic-gate { 59*0Sstevel@tonic-gate if (p != NULL) 60*0Sstevel@tonic-gate (void) free(p); 61*0Sstevel@tonic-gate } 62