Hi,
On 2/3/2010 4:14 AM, Andy Shevchenko wrote:
From: Andy Shevchenko<ext-andriy.shevche...@nokia.com>
Try to use simple_strtol() kernel native method instead.
strtol or strtoul?
However, there are opened questions:
- why type of Atoi() is s32 if the sign is used only to detect base?
- should we really to check hex integers like DEAD0123h?
- how many spaces could lead token?
Signed-off-by: Andy Shevchenko<ext-andriy.shevche...@nokia.com>
---
drivers/dsp/bridge/rmgr/dbdcd.c | 42 +++++---------------------------------
1 files changed, 6 insertions(+), 36 deletions(-)
diff --git a/drivers/dsp/bridge/rmgr/dbdcd.c b/drivers/dsp/bridge/rmgr/dbdcd.c
index caa57f1..fe2ed57 100644
--- a/drivers/dsp/bridge/rmgr/dbdcd.c
+++ b/drivers/dsp/bridge/rmgr/dbdcd.c
@@ -1002,50 +1002,20 @@ DSP_STATUS DCD_UnregisterObject(IN struct DSP_UUID
*pUuid,
*/
static s32 Atoi(char *pszBuf)
{
- s32 result = 0;
char *pch = pszBuf;
- char c;
- char first;
- s32 base = 10;
- s32 len;
+ s32 base = 0;
while (isspace(*pch))
pch++;
- first = *pch;
- if (first == '-' || first == '+') {
+ if (*pch == '-' || *pch == '+') {
+ base = 10;
pch++;
- } else {
- /* Determine if base 10 or base 16 */
- len = strlen(pch);
- if (len> 1) {
- c = pch[1];
- if ((*pch == '0'&& (c == 'x' || c == 'X'))) {
- base = 16;
- pch += 2;
- }
- c = pch[len - 1];
- if (c == 'h' || c == 'H')
- base = 16;
-
- }
- }
-
- while (isdigit(c = *pch) || ((base == 16)&& isxdigit(c))) {
- result *= base;
- if ('A'<= c&& c<= 'F') {
- c = c - 'A' + 10;
- } else {
- if ('a'<= c&& c<= 'f')
- c = c - 'a' + 10;
- else
- c -= '0';
- }
- result += c;
- ++pch;
+ } else if (*pch&& (pch[strlen(pch) - 1] | 0x20 == 'h')) {
perhaps tolower(x)
otherwise: (pch[strlen(pch) - 1] | 0x20 == 'h')
should be ((pch[strlen(pch) - 1] | 0x20) == 'h')
+ base = 16;
}
- return result;
+ return simple_strtoul(pch, NULL, base);
}
/*
- omar
--
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