1*7c478bd9Sstevel@tonic-gate /* static char elsieid[] = "@(#)ialloc.c 8.29"; */ 2*7c478bd9Sstevel@tonic-gate 3*7c478bd9Sstevel@tonic-gate /*LINTLIBRARY*/ 4*7c478bd9Sstevel@tonic-gate 5*7c478bd9Sstevel@tonic-gate #include "private.h" 6*7c478bd9Sstevel@tonic-gate 7*7c478bd9Sstevel@tonic-gate #define nonzero(n) (((n) == 0) ? 1 : (n)) 8*7c478bd9Sstevel@tonic-gate 9*7c478bd9Sstevel@tonic-gate char * imalloc(n)10*7c478bd9Sstevel@tonic-gateimalloc(n) 11*7c478bd9Sstevel@tonic-gate const int n; 12*7c478bd9Sstevel@tonic-gate { 13*7c478bd9Sstevel@tonic-gate return (malloc((size_t) nonzero(n))); 14*7c478bd9Sstevel@tonic-gate } 15*7c478bd9Sstevel@tonic-gate 16*7c478bd9Sstevel@tonic-gate void * irealloc(pointer,size)17*7c478bd9Sstevel@tonic-gateirealloc(pointer, size) 18*7c478bd9Sstevel@tonic-gate void * const pointer; 19*7c478bd9Sstevel@tonic-gate const int size; 20*7c478bd9Sstevel@tonic-gate { 21*7c478bd9Sstevel@tonic-gate if (pointer == NULL) 22*7c478bd9Sstevel@tonic-gate return (imalloc(size)); 23*7c478bd9Sstevel@tonic-gate return (realloc((void *) pointer, (size_t) nonzero(size))); 24*7c478bd9Sstevel@tonic-gate } 25*7c478bd9Sstevel@tonic-gate 26*7c478bd9Sstevel@tonic-gate char * icatalloc(old,new)27*7c478bd9Sstevel@tonic-gateicatalloc(old, new) 28*7c478bd9Sstevel@tonic-gate char * const old; 29*7c478bd9Sstevel@tonic-gate const char * const new; 30*7c478bd9Sstevel@tonic-gate { 31*7c478bd9Sstevel@tonic-gate register char * result; 32*7c478bd9Sstevel@tonic-gate register int oldsize, newsize; 33*7c478bd9Sstevel@tonic-gate 34*7c478bd9Sstevel@tonic-gate newsize = (new == NULL) ? 0 : strlen(new); 35*7c478bd9Sstevel@tonic-gate if (old == NULL) 36*7c478bd9Sstevel@tonic-gate oldsize = 0; 37*7c478bd9Sstevel@tonic-gate else if (newsize == 0) 38*7c478bd9Sstevel@tonic-gate return (old); 39*7c478bd9Sstevel@tonic-gate else oldsize = strlen(old); 40*7c478bd9Sstevel@tonic-gate if ((result = irealloc(old, oldsize + newsize + 1)) != NULL) 41*7c478bd9Sstevel@tonic-gate if (new != NULL) 42*7c478bd9Sstevel@tonic-gate (void) strcpy(result + oldsize, new); 43*7c478bd9Sstevel@tonic-gate return (result); 44*7c478bd9Sstevel@tonic-gate } 45*7c478bd9Sstevel@tonic-gate 46*7c478bd9Sstevel@tonic-gate char * icpyalloc(string)47*7c478bd9Sstevel@tonic-gateicpyalloc(string) 48*7c478bd9Sstevel@tonic-gate const char * const string; 49*7c478bd9Sstevel@tonic-gate { 50*7c478bd9Sstevel@tonic-gate return (icatalloc((char *) NULL, string)); 51*7c478bd9Sstevel@tonic-gate } 52*7c478bd9Sstevel@tonic-gate 53*7c478bd9Sstevel@tonic-gate void ifree(p)54*7c478bd9Sstevel@tonic-gateifree(p) 55*7c478bd9Sstevel@tonic-gate char * const p; 56*7c478bd9Sstevel@tonic-gate { 57*7c478bd9Sstevel@tonic-gate if (p != NULL) 58*7c478bd9Sstevel@tonic-gate (void) free(p); 59*7c478bd9Sstevel@tonic-gate } 60