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Reworked a lot of error handling.

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This commit is contained in:
fordsfords
2016-07-02 18:57:03 -05:00
parent 093922567a
commit 71b6829804
11 changed files with 442 additions and 104 deletions
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82
source/common.c
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@ -131,7 +131,7 @@ pins_t pins_info[] = {
{ "CSID7", "U14_38", 139, BASE_METHOD_AS_IS, -1, -1},
{ "GND", "U14_39", 0, BASE_METHOD_AS_IS, -1, -1},
{ "GND", "U14_40", 0, BASE_METHOD_AS_IS, -1, -1},
{ NULL, NULL, 0 }
{ NULL, NULL, 0, 0, -1, -1}
};
@ -178,10 +178,10 @@ int get_xio_base(void)
/* Found the expander, get the contents of base */
snprintf(base_file, sizeof(base_file), "%s/%s/base", GPIO_PATH, ent->d_name); BUF2SMALL(base_file);
base_fp = fopen(base_file, "r"); ASSRT(base_fp != NULL);
s = fgets(input_line, sizeof(input_line), base_fp);
ASSRT(s == input_line && strlen(input_line) < sizeof(input_line)-1);
s = fgets(input_line, sizeof(input_line), base_fp); BUF2SMALL(input_line); ASSRT(s);
fclose(base_fp);
xio_base_address = atoi(input_line); /* remember the result */
/* Remember the value in the static local. */
xio_base_address = atoi(input_line); ASSRT(xio_base_address > 0);
num_get_xio_base++; /* for self-test purposes */
}
} /* if label file is open */
@ -377,7 +377,7 @@ int build_path(const char *partial_path, const char *prefix, char *full_path, si
dp = opendir (partial_path);
if (dp != NULL) {
while ((ep = readdir (dp))) {
// Enforce that the prefix must be the first part of the file
// Enforce that the prefix must be the first part of the file name
char* found_string = strstr(ep->d_name, prefix);
if (found_string != NULL && (ep->d_name - found_string) == 0) {
@ -419,3 +419,75 @@ int get_spi_bus_path_number(unsigned int spi)
return -1;
}
}
struct dyn_int_array {
int num_elements;
int *array;
};
void *dyn_int_array_create(int initial_num_elements, int initial_val)
{
struct dyn_int_array *new_array = (struct dyn_int_array *)malloc(sizeof(struct dyn_int_array));
ASSRT(new_array != NULL);
new_array->num_elements = initial_num_elements;
new_array->array = (int *)malloc(initial_num_elements * sizeof(int));
ASSRT(new_array->array != NULL);
int i;
for (i = 0; i < initial_num_elements; i++)
new_array->array[i] = initial_val;
return (void *)new_array;
} /* dyn_int_array_create */
void dyn_int_array_set(void **in_array, int i, int val, int initial_val)
{
struct dyn_int_array *array = (struct dyn_int_array *)(*in_array);
if (array == NULL)
array = dyn_int_array_create(i * 3 / 2, initial_val);
if (i >= array->num_elements) {
int new_num_elements = i * 3 / 2; /* half-again larger than current request */
array->array = realloc(array->array, new_num_elements * sizeof(int));
ASSRT(array->array != NULL);
// Zero out the newly allocated elements.
while (array->num_elements < new_num_elements) {
array->array[array->num_elements] = initial_val;
array->num_elements ++;
}
}
array->array[i] = val;
*in_array = (void *)array;
} /* dyn_int_array_set */
int dyn_int_array_get(void **in_array, int i, int initial_val)
{
struct dyn_int_array *array = (struct dyn_int_array *)(*in_array);
if (array == NULL)
array = dyn_int_array_create(i * 3 / 2, initial_val);
if (i >= array->num_elements) {
int new_num_elements = i * 3 / 2; /* half-again larger than current request */
array->array = realloc(array->array, new_num_elements * sizeof(int));
ASSRT(array->array != NULL);
// Zero out the newly allocated elements.
while (array->num_elements < new_num_elements) {
array->array[array->num_elements] = initial_val;
array->num_elements ++;
}
}
return array->array[i];
*in_array = (void *)array;
} /* dyn_int_array_get */
void dyn_int_array_delete(void **in_array)
{
struct dyn_int_array *array = (struct dyn_int_array *)(*in_array);
free(array->array);
free(array);
} /* dyn_int_array_delete */