libfatstr -> libfatptr
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libfatptr/Makefile
Normal file
1
libfatptr/Makefile
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@ -0,0 +1 @@
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libfatptr.o:
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@ -1,31 +1,31 @@
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#include <stdlib.h> /* free(3), malloc(3), realloc(3) */
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#include <string.h> /* strncpy(3), size_t */
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#include "libfatstr.h"
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#include "libfatptr.h"
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/* quick and dirty ASCII edition */
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/* Size by which to grow memory allocations. */
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static size_t FatStr_growinterval = 100; /* in sizeof chars */
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static size_t FatPtr_growinterval = 100; /* in sizeof chars */
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struct FatStr *
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FatStr_append(struct FatStr *p, FatStr_scalar_t c){
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FatStr_vector_t t;
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struct FatPtr *
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FatPtr_append(struct FatPtr *p, FatPtr_scalar_t c){
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FatPtr_vector_t t;
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if(p == NULL || (p->s + (sizeof *(p->v)) > p->a
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&& FatStr_grow(p, FatStr_growinterval) == NULL))
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&& FatPtr_grow(p, FatPtr_growinterval) == NULL))
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return NULL;
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(p->v)[(p->s)++] = c;
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return p;
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}
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struct FatStr *
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FatStr_construct(struct FatStr *p){
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struct FatPtr *
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FatPtr_construct(struct FatPtr *p){
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return FatStr_grow(FatStr_initialize(p), FatStr_growinterval);
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return FatPtr_grow(FatPtr_initialize(p), FatPtr_growinterval);
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}
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char *
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FatStr_convert(struct FatStr *p){
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FatPtr_convert(struct FatPtr *p){
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char *r;
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/* allocation might be wrong */
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@ -35,19 +35,19 @@ FatStr_convert(struct FatStr *p){
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;
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}
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struct FatStr *
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FatStr_destruct(struct FatStr *p){
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struct FatPtr *
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FatPtr_destruct(struct FatPtr *p){
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if(p != NULL){
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free(p->v);
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FatStr_initialize(p);
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FatPtr_initialize(p);
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}
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return NULL;
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}
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struct FatStr *
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FatStr_grow(struct FatStr *p, size_t units){
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FatStr_vector_t t;
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struct FatPtr *
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FatPtr_grow(struct FatPtr *p, size_t units){
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FatPtr_vector_t t;
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if(p == NULL || (t = realloc(p->v, p->a + units)) == NULL)
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return NULL;
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@ -56,8 +56,8 @@ FatStr_grow(struct FatStr *p, size_t units){
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return p;
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}
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struct FatStr *
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FatStr_initialize(struct FatStr *p){
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struct FatPtr *
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FatPtr_initialize(struct FatPtr *p){
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if(p != NULL){
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p->a = 0;
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@ -67,6 +67,6 @@ FatStr_initialize(struct FatStr *p){
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return p;
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}
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struct FatStr *
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FatStr_trimfront(struct FatStr *p, size_t units){
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struct FatPtr *
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FatPtr_trimfront(struct FatPtr *p, size_t units){
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}
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40
libfatptr/libfatptr.h
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40
libfatptr/libfatptr.h
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/* #include <stdlib.h> /* size_t */
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#if !defined FatPtr_size_t
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# define FatPtr_size_t size_t
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#endif
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#if !defined FatPtr_scalar_t
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# define FatPtr_scalar_t int
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#endif
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#define FatPtr_vector_t FatPtr_scalar_t *
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struct FatPtr{
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FatPtr_size_t a; /* allocation in sizeof char */
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FatPtr_size_t s; /* actual size in sizeof *v */
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FatPtr_vector_t v; /* vector */
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};
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/* FatPtr_append
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* - FatPtr *p: object to which to append
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* - FatPtr_scalar_t c: scalar to be appended
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* Returns NULL if the operation failed (due to malloc(3)) or if p was NULL.
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* Otherwise returns p. */
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struct FatPtr *FatPtr_append(struct FatPtr *p, FatPtr_scalar_t c);
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struct FatPtr *FatPtr_construct(struct FatPtr *p);
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/* FatPtr_convert
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* - FatPtr *p: object to convert
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* Returns NULL if the operation failed (due to malloc(3)) or if p was NULL.
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* Otherwise returns a malloc(3)d char * with the current content of p, which
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* should be free(3)d when no longer in use. */
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char *FatPtr_convert(struct FatPtr *p);
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/* FatPtr_destruct
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* - FatPtr *p: object to destruct
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* Returns NULL. */
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struct FatPtr *FatPtr_destruct(struct FatPtr *p);
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struct FatPtr *FatPtr_grow(struct FatPtr *p, size_t units);
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struct FatPtr *FatPtr_initialize(struct FatPtr *p);
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struct FatPtr *FatPtr_trimfront(struct FatPtr *p, size_t units);
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@ -1 +0,0 @@
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libfatstr.o:
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/* #include <stdlib.h> /* size_t */
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/* These definitions aren't set in stone. */
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typedef size_t FatStr_size_t;
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typedef int FatStr_scalar_t;
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typedef FatStr_scalar_t * FatStr_vector_t;
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/* This definition is dependable. */
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struct FatStr{
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FatStr_size_t a; /* allocation in sizeof char */
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FatStr_size_t s; /* actual size in sizeof *v */
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FatStr_vector_t v; /* vector */
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};
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/* FatStr_append
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* - FatStr *p: object to which to append
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* - FatStr_scalar_t c: scalar to be appended
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* Returns NULL if the operation failed (due to malloc(3)) or if p was NULL.
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* Otherwise returns p. */
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struct FatStr *FatStr_append(struct FatStr *p, FatStr_scalar_t c);
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struct FatStr *FatStr_construct(struct FatStr *p);
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/* FatStr_convert
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* - FatStr *p: object to convert
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* Returns NULL if the operation failed (due to malloc(3)) or if p was NULL.
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* Otherwise returns a malloc(3)d char * with the current content of p, which
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* should be free(3)d when no longer in use. */
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char *FatStr_convert(struct FatStr *p);
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/* FatStr_destruct
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* - FatStr *p: object to destruct
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* Returns NULL. */
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struct FatStr *FatStr_destruct(struct FatStr *p);
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struct FatStr *FatStr_grow(struct FatStr *p, size_t units);
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struct FatStr *FatStr_initialize(struct FatStr *p);
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struct FatStr *FatStr_trimfront(struct FatStr *p, size_t units);
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