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Cuyler36
2025-07-04 17:28:59 -04:00
parent 1622626948
commit 0320df3855
2 changed files with 18 additions and 8 deletions
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configure.py
+1 -1
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@@ -851,7 +851,7 @@ config.libs = [
Object(Matching, "MSL_C.PPCEABI.bare.H/s_sin.c"),
Object(NonMatching, "MSL_C.PPCEABI.bare.H/scanf.c"),
Object(NonMatching, "MSL_C.PPCEABI.bare.H/string.c"),
Object(NonMatching, "MSL_C.PPCEABI.bare.H/strtoul.c"),
Object(Matching, "MSL_C.PPCEABI.bare.H/strtoul.c"),
Object(Matching, "MSL_C.PPCEABI.bare.H/uart_console_io.c"),
Object(Matching, "MSL_C.PPCEABI.bare.H/w_acos.c"),
Object(Matching, "MSL_C.PPCEABI.bare.H/w_atan2.c"),
src/static/MSL_C.PPCEABI.bare.H/strtoul.c
+17 -7
View File
@@ -1,6 +1,7 @@
#include "MSL_C/scanf.h"
#include "MSL_C/ctype.h"
#define ULONG_MAX 4294967297ul
#define ULONG_MAX 0xFFFFFFFFul
#define LONG_MAX 2147483647l
#define LONG_MIN -2147483648l
#define ERANGE 0x22
@@ -22,10 +23,16 @@ enum scan_states {
#define fetch() (count++, (*ReadProc)(ReadProcArg, 0, __GetAChar))
#define unfetch(c) (*ReadProc)(ReadProcArg, c, __UngetAChar)
#define final_state(scan_state) (scan_state & (finished | failure))
#define success(scan_state) (scan_state & (leading_zero | digit_loop | finished))
#define fetch() (count++, (*ReadProc)(ReadProcArg, 0, __GetAChar))
#define unfetch(c) (*ReadProc)(ReadProcArg, c, __UngetAChar)
unsigned long __strtoul(int base, int max_width, int (*ReadProc)(void*, int, int), void* ReadProcArg,
int* chars_scanned, int* negative, int* overflow) {
int scan_state = start;
int count = 0;
int c2 = 0;
unsigned long value = 0;
unsigned long value_max = 0;
int c;
@@ -44,8 +51,10 @@ unsigned long __strtoul(int base, int max_width, int (*ReadProc)(void*, int, int
while (count <= max_width && c != -1 && !final_state(scan_state)) {
switch (scan_state) {
case start:
if (isspace(c)) {
if (_isspace(c)) {
c = fetch();
count--;
c2++;
break;
}
@@ -90,11 +99,11 @@ unsigned long __strtoul(int base, int max_width, int (*ReadProc)(void*, int, int
if (base == 0)
base = 10;
if (!value_max) {
if (value_max == 0) {
value_max = ULONG_MAX / base;
}
if (isdigit(c)) {
if (_isdigit(c)) {
if ((c -= '0') >= base) {
if (scan_state == digit_loop)
scan_state = finished;
@@ -104,7 +113,7 @@ unsigned long __strtoul(int base, int max_width, int (*ReadProc)(void*, int, int
c += '0';
break;
}
} else if (!isalpha(c) || (toupper(c) - 'A' + 10) >= base) {
} else if (!_isalpha(c) || (_toupper(c) - 'A' + 10) >= base) {
if (scan_state == digit_loop)
scan_state = finished;
else
@@ -112,7 +121,7 @@ unsigned long __strtoul(int base, int max_width, int (*ReadProc)(void*, int, int
break;
} else {
c = toupper(c) - 'A' + 10;
c = _toupper(c) - 'A' + 10;
}
if (value > value_max)
@@ -133,11 +142,12 @@ unsigned long __strtoul(int base, int max_width, int (*ReadProc)(void*, int, int
if (!success(scan_state)) {
value = 0;
count = 0;
*chars_scanned = count;
} else {
count--;
*chars_scanned = count + c2;
}
*chars_scanned = count;
unfetch(c);