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| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2011-07-25 17:13:20 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-25 20:57:16 -0700 |
| commit | 75fb8f269305fc066c4c6ec6e7232df0c92f434d (patch) | |
| tree | be2f806f817368cb52270baee3f1d77005e3ca8a /lib/vsprintf.c | |
| parent | 72d39508e43689b9346dfc956fad5e94a8911886 (diff) | |
| download | linux-3.10-75fb8f269305fc066c4c6ec6e7232df0c92f434d.tar.gz linux-3.10-75fb8f269305fc066c4c6ec6e7232df0c92f434d.tar.bz2 linux-3.10-75fb8f269305fc066c4c6ec6e7232df0c92f434d.zip | |
lib: make _tolower() public
This function is required by *printf and kstrto* functions that are
located in the different modules. This patch makes _tolower() public.
However, it's good idea to not use the helper outside of mentioned
functions.
[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib/vsprintf.c')
| -rw-r--r-- | lib/vsprintf.c | 23 |
1 files changed, 10 insertions, 13 deletions
diff --git a/lib/vsprintf.c b/lib/vsprintf.c index 4365df31a1d..39e3e8f1d4e 100644 --- a/lib/vsprintf.c +++ b/lib/vsprintf.c @@ -31,13 +31,10 @@ #include <asm/div64.h> #include <asm/sections.h> /* for dereference_function_descriptor() */ -/* Works only for digits and letters, but small and fast */ -#define TOLOWER(x) ((x) | 0x20) - static unsigned int simple_guess_base(const char *cp) { if (cp[0] == '0') { - if (TOLOWER(cp[1]) == 'x' && isxdigit(cp[2])) + if (_tolower(cp[1]) == 'x' && isxdigit(cp[2])) return 16; else return 8; @@ -59,13 +56,13 @@ unsigned long long simple_strtoull(const char *cp, char **endp, unsigned int bas if (!base) base = simple_guess_base(cp); - if (base == 16 && cp[0] == '0' && TOLOWER(cp[1]) == 'x') + if (base == 16 && cp[0] == '0' && _tolower(cp[1]) == 'x') cp += 2; while (isxdigit(*cp)) { unsigned int value; - value = isdigit(*cp) ? *cp - '0' : TOLOWER(*cp) - 'a' + 10; + value = isdigit(*cp) ? *cp - '0' : _tolower(*cp) - 'a' + 10; if (value >= base) break; result = result * base + value; @@ -1036,8 +1033,8 @@ precision: qualifier: /* get the conversion qualifier */ spec->qualifier = -1; - if (*fmt == 'h' || TOLOWER(*fmt) == 'l' || - TOLOWER(*fmt) == 'z' || *fmt == 't') { + if (*fmt == 'h' || _tolower(*fmt) == 'l' || + _tolower(*fmt) == 'z' || *fmt == 't') { spec->qualifier = *fmt++; if (unlikely(spec->qualifier == *fmt)) { if (spec->qualifier == 'l') { @@ -1104,7 +1101,7 @@ qualifier: spec->type = FORMAT_TYPE_LONG; else spec->type = FORMAT_TYPE_ULONG; - } else if (TOLOWER(spec->qualifier) == 'z') { + } else if (_tolower(spec->qualifier) == 'z') { spec->type = FORMAT_TYPE_SIZE_T; } else if (spec->qualifier == 't') { spec->type = FORMAT_TYPE_PTRDIFF; @@ -1263,7 +1260,7 @@ int vsnprintf(char *buf, size_t size, const char *fmt, va_list args) if (qualifier == 'l') { long *ip = va_arg(args, long *); *ip = (str - buf); - } else if (TOLOWER(qualifier) == 'z') { + } else if (_tolower(qualifier) == 'z') { size_t *ip = va_arg(args, size_t *); *ip = (str - buf); } else { @@ -1550,7 +1547,7 @@ do { \ void *skip_arg; if (qualifier == 'l') skip_arg = va_arg(args, long *); - else if (TOLOWER(qualifier) == 'z') + else if (_tolower(qualifier) == 'z') skip_arg = va_arg(args, size_t *); else skip_arg = va_arg(args, int *); @@ -1856,8 +1853,8 @@ int vsscanf(const char *buf, const char *fmt, va_list args) /* get conversion qualifier */ qualifier = -1; - if (*fmt == 'h' || TOLOWER(*fmt) == 'l' || - TOLOWER(*fmt) == 'z') { + if (*fmt == 'h' || _tolower(*fmt) == 'l' || + _tolower(*fmt) == 'z') { qualifier = *fmt++; if (unlikely(qualifier == *fmt)) { if (qualifier == 'h') { |