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A Call-Tree Generator For C Programs

, October 01, 1991

October 1991/A Call-Tree Generator For C Programs/Listing 3

Listing 3

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "c_calls.h"

void insert_cell(LIST *list, const char *name)

Insert a new cell in the list with the specified name and return a
pointer to the head of the list. The new cell is inserted in
alphabetical order.

LIST new_cell;

if ((*list == NULL) || (namecmp(name, (*list)->name) < 0))
    if ((new_cell = malloc(sizeof(CELL))) == NULL)
        error("out of memory");
    new_cell->calls = new_cell->called_from = NULL;
    strcpy(new_cell->name, name);
    if (*list == NULL)
        new_cell->next = NULL;
        new_cell->next = *list;
    *list = new_cell;
    if (stricmp(name, (*list)->name) != O)
        insert_cell((&(*list)->next), name);
void delete_cell (LIST *list, const char *name)

/* Delete the cell with the specified name from the list. */

LIST ptr;

/* If cell to be deleted is at head of list... */
if ((*list != NULL) && (stricmp{name, (*list)->name) == 0))
    /* Delete the cell. */
    ptr = *list;
    *list = (*list)->next;

    /* Try to delete the cell from the rest of the list. */
    if (*list != NULL)
        delete_cell(&(*list)->next, name);

LIST find_cell(LIST list, const char *name)

Return a pointer to the cell containing the specified name
if it is found in the list. Otherwise return NULL.

for (; list != NULL; list = list->next)
    if (stricmp(name, list->name) == 0)
        return list;

return NULL;
/* End of File */

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