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Simplify code parsing integers and, in process fix a -Wuninitialized warning.

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This commit is contained in:
Andrew Cagney 2001-02-16 01:27:46 +00:00
parent 9afc4bbfbb
commit 0f6e1ba6ee
2 changed files with 21 additions and 16 deletions
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5
gdb/ChangeLog
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@ -1,3 +1,8 @@
2001-02-15 Andrew Cagney <ac131313@redhat.com>
* f-exp.y: Include <ctype.h>.
(parse_number): Ensure that ``i'' is always initialized.
2001-02-14 Jim Kingdon <jkingdon@engr.sgi.com>
* MAINTAINERS: Add myself to paper trail section.

32
gdb/f-exp.y
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@ -53,6 +53,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "bfd.h" /* Required by objfiles.h. */
#include "symfile.h" /* Required by objfiles.h. */
#include "objfiles.h" /* For have_full_symbols and have_partial_symbols */
#include <ctype.h>
/* Remap normal yacc parser interface names (yyparse, yylex, yyerror, etc),
as well as gratuitiously global symbol names, so we can have multiple
@ -639,7 +640,6 @@ parse_number (p, len, parsed_float, putithere)
{
register LONGEST n = 0;
register LONGEST prevn = 0;
register int i;
register int c;
register int base = input_radix;
int unsigned_p = 0;
@ -697,26 +697,26 @@ parse_number (p, len, parsed_float, putithere)
while (len-- > 0)
{
c = *p++;
if (c >= 'A' && c <= 'Z')
c += 'a' - 'A';
if (c != 'l' && c != 'u')
n *= base;
if (c >= '0' && c <= '9')
n += i = c - '0';
if (isupper (c))
c = tolower (c);
if (len == 0 && c == 'l')
long_p = 1;
else if (len == 0 && c == 'u')
unsigned_p = 1;
else
{
if (base > 10 && c >= 'a' && c <= 'f')
n += i = c - 'a' + 10;
else if (len == 0 && c == 'l')
long_p = 1;
else if (len == 0 && c == 'u')
unsigned_p = 1;
int i;
if (c >= '0' && c <= '9')
i = c - '0';
else if (c >= 'a' && c <= 'f')
i = c - 'a' + 10;
else
return ERROR; /* Char not a digit */
if (i >= base)
return ERROR; /* Invalid digit in this base */
n *= base;
n += i;
}
if (i >= base)
return ERROR; /* Invalid digit in this base */
/* Portably test for overflow (only works for nonzero values, so make
a second check for zero). */
if ((prevn >= n) && n != 0)