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author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2008-08-08 16:21:02 -0400 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2008-08-08 16:21:02 -0400 |
commit | e4ddcb0a6bf04d53ce77b4eb87bbbb32c4261d11 (patch) | |
tree | d27d2fea50a384d97aa2d0cf5c8657c916f761d4 /lib/cmdline.c | |
parent | f2afa7711f8585ffc088ba538b9a510e0d5dca12 (diff) | |
parent | 6e86841d05f371b5b9b86ce76c02aaee83352298 (diff) |
Merge commit 'v2.6.27-rc1' into for-linus
Diffstat (limited to 'lib/cmdline.c')
-rw-r--r-- | lib/cmdline.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/lib/cmdline.c b/lib/cmdline.c index f596c08d213..5ba8a942a47 100644 --- a/lib/cmdline.c +++ b/lib/cmdline.c @@ -116,7 +116,7 @@ char *get_options(const char *str, int nints, int *ints) /** * memparse - parse a string with mem suffixes into a number * @ptr: Where parse begins - * @retptr: (output) Pointer to next char after parse completes + * @retptr: (output) Optional pointer to next char after parse completes * * Parses a string into a number. The number stored at @ptr is * potentially suffixed with %K (for kilobytes, or 1024 bytes), @@ -126,11 +126,13 @@ char *get_options(const char *str, int nints, int *ints) * megabyte, or one gigabyte, respectively. */ -unsigned long long memparse (char *ptr, char **retptr) +unsigned long long memparse(char *ptr, char **retptr) { - unsigned long long ret = simple_strtoull (ptr, retptr, 0); + char *endptr; /* local pointer to end of parsed string */ - switch (**retptr) { + unsigned long long ret = simple_strtoull(ptr, &endptr, 0); + + switch (*endptr) { case 'G': case 'g': ret <<= 10; @@ -140,10 +142,14 @@ unsigned long long memparse (char *ptr, char **retptr) case 'K': case 'k': ret <<= 10; - (*retptr)++; + endptr++; default: break; } + + if (retptr) + *retptr = endptr; + return ret; } |