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author | Joerg Roedel <joerg.roedel@amd.com> | 2011-07-07 16:13:11 +0200 |
---|---|---|
committer | Marcelo Tosatti <mtosatti@redhat.com> | 2011-08-05 12:04:27 -0300 |
commit | a732e1baa864d5b10c5cfd9e3e437563b771c1a8 (patch) | |
tree | 8de5136d1a0cda612d757952f0a804b851ade64a | |
parent | 2a1ac12b0bb29054f5fbc8144c800ca7634c0658 (diff) | |
download | hqemu-a732e1baa864d5b10c5cfd9e3e437563b771c1a8.zip hqemu-a732e1baa864d5b10c5cfd9e3e437563b771c1a8.tar.gz |
qemu: Add strtosz_suffix_unit function
This function does the same as the strtosz_suffix function
except that it allows to specify the unit to which the
k/M/B/T suffixes apply. This function will be used later to
parse the tsc-frequency from the command-line.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
-rw-r--r-- | cutils.c | 16 | ||||
-rw-r--r-- | qemu-common.h | 2 |
2 files changed, 13 insertions, 5 deletions
@@ -322,7 +322,8 @@ int fcntl_setfl(int fd, int flag) * value must be terminated by whitespace, ',' or '\0'. Return -1 on * error. */ -int64_t strtosz_suffix(const char *nptr, char **end, const char default_suffix) +int64_t strtosz_suffix_unit(const char *nptr, char **end, + const char default_suffix, int64_t unit) { int64_t retval = -1; char *endptr; @@ -362,20 +363,20 @@ int64_t strtosz_suffix(const char *nptr, char **end, const char default_suffix) } break; case STRTOSZ_DEFSUFFIX_KB: - mul = 1 << 10; + mul = unit; break; case 0: if (mul_required) { goto fail; } case STRTOSZ_DEFSUFFIX_MB: - mul = 1ULL << 20; + mul = unit * unit; break; case STRTOSZ_DEFSUFFIX_GB: - mul = 1ULL << 30; + mul = unit * unit * unit; break; case STRTOSZ_DEFSUFFIX_TB: - mul = 1ULL << 40; + mul = unit * unit * unit * unit; break; default: goto fail; @@ -405,6 +406,11 @@ fail: return retval; } +int64_t strtosz_suffix(const char *nptr, char **end, const char default_suffix) +{ + return strtosz_suffix_unit(nptr, end, default_suffix, 1024); +} + int64_t strtosz(const char *nptr, char **end) { return strtosz_suffix(nptr, end, STRTOSZ_DEFSUFFIX_MB); diff --git a/qemu-common.h b/qemu-common.h index afbd04d..389f4d2 100644 --- a/qemu-common.h +++ b/qemu-common.h @@ -157,6 +157,8 @@ int fcntl_setfl(int fd, int flag); #define STRTOSZ_DEFSUFFIX_B 'B' int64_t strtosz(const char *nptr, char **end); int64_t strtosz_suffix(const char *nptr, char **end, const char default_suffix); +int64_t strtosz_suffix_unit(const char *nptr, char **end, + const char default_suffix, int64_t unit); /* path.c */ void init_paths(const char *prefix); |