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Small refactor in ada-lang.c:scan_discrim_bound

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Factor out common arithmetic operations for clarity.

gdb/ChangeLog:

	* ada-lang.c (scan_discrim_bound): Factor out arithmetic
	operations.
This commit is contained in:
Simon Marchi
2015-09-10 11:48:47 -04:00
parent 108d56a48b
commit 5da1a4d34e
2 changed files with 16 additions and 6 deletions
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17
gdb/ada-lang.c
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@@ -11432,24 +11432,29 @@ scan_discrim_bound (const char *str, int k, struct value *dval, LONGEST * px,
{
static char *bound_buffer = NULL;
static size_t bound_buffer_len = 0;
const char *pend, *bound;
const char *pstart, *pend, *bound;
struct value *bound_val;
if (dval == NULL || str == NULL || str[k] == '\0')
return 0;
pend = strstr (str + k, "__");
pstart = str + k;
pend = strstr (pstart, "__");
if (pend == NULL)
{
bound = str + k;
bound = pstart;
k += strlen (bound);
}
else
{
GROW_VECT (bound_buffer, bound_buffer_len, pend - (str + k) + 1);
int len = pend - pstart;
/* Strip __ and beyond. */
GROW_VECT (bound_buffer, bound_buffer_len, len + 1);
strncpy (bound_buffer, pstart, len);
bound_buffer[len] = '\0';
bound = bound_buffer;
strncpy (bound_buffer, str + k, pend - (str + k));
bound_buffer[pend - (str + k)] = '\0';
k = pend - str;
}