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Improve command line integer parsing a little in lzma and 

lzmadec to make them accept also KiB in addition Ki etc.
Fix also memory usage information in lzmadec --help.
This commit is contained in:
Lasse Collin 2008-06-11 15:08:44 +03:00
parent 436fa5fae9
commit 0ea98e52ba
2 changed files with 32 additions and 22 deletions
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23
src/lzma/util.c
View File

@ -60,20 +60,25 @@ str_to_uint64(const char *name, const char *value, uint64_t min, uint64_t max)
if (*value != '\0') { if (*value != '\0') {
// Look for suffix. // Look for suffix.
static const struct { static const struct {
const char *name; const char name[4];
uint64_t multiplier; uint64_t multiplier;
} suffixes[] = { } suffixes[] = {
{ "k", UINT64_C(1000) }, { "k", UINT64_C(1000) },
{ "M", UINT64_C(1000000) }, { "kB", UINT64_C(1000) },
{ "G", UINT64_C(1000000000) }, { "M", UINT64_C(1000000) },
{ "Ki", UINT64_C(1024) }, { "MB", UINT64_C(1000000) },
{ "Mi", UINT64_C(1048576) }, { "G", UINT64_C(1000000000) },
{ "Gi", UINT64_C(1073741824) }, { "GB", UINT64_C(1000000000) },
{ NULL, 0 } { "Ki", UINT64_C(1024) },
{ "KiB", UINT64_C(1024) },
{ "Mi", UINT64_C(1048576) },
{ "MiB", UINT64_C(1048576) },
{ "Gi", UINT64_C(1073741824) },
{ "GiB", UINT64_C(1073741824) }
}; };
uint64_t multiplier = 0; uint64_t multiplier = 0;
for (size_t i = 0; suffixes[i].name != NULL; ++i) { for (size_t i = 0; i < ARRAY_SIZE(suffixes); ++i) {
if (strcmp(value, suffixes[i].name) == 0) { if (strcmp(value, suffixes[i].name) == 0) {
multiplier = suffixes[i].multiplier; multiplier = suffixes[i].multiplier;
break; break;

31
src/lzmadec/lzmadec.c
View File

@ -116,7 +116,7 @@ help(void)
" MiB of memory at maximum.\n" " MiB of memory at maximum.\n"
"\n" "\n"
"Report bugs to <" PACKAGE_BUGREPORT "> (in English or Finnish).\n", "Report bugs to <" PACKAGE_BUGREPORT "> (in English or Finnish).\n",
argv0, (uint64_t)((mem_limit + 512 * 1024) / (1024 * 1024))); argv0, ((uint64_t)(mem_limit) + 512 * 1024) / (1024 * 1024));
// Using PRIu64 above instead of %zu to support pre-C99 libc. // Using PRIu64 above instead of %zu to support pre-C99 libc.
exit(0); exit(0);
} }
@ -196,20 +196,25 @@ str_to_size(const char *value)
if (*value != '\0') { if (*value != '\0') {
// Look for suffix. // Look for suffix.
static const struct { static const struct {
const char *name; const char name[4];
size_t multiplier; size_t multiplier;
} suffixes[] = { } suffixes[] = {
{ "k", 1000 }, { "k", 1000 },
{ "M", 1000000 }, { "kB", 1000 },
{ "G", 1000000000 }, { "M", 1000000 },
{ "Ki", 1024 }, { "MB", 1000000 },
{ "Mi", 1048576 }, { "G", 1000000000 },
{ "Gi", 1073741824 }, { "GB", 1000000000 },
{ NULL, 0 } { "Ki", 1024 },
{ "KiB", 1024 },
{ "Mi", 1048576 },
{ "MiB", 1048576 },
{ "Gi", 1073741824 },
{ "GiB", 1073741824 }
}; };
size_t multiplier = 0; size_t multiplier = 0;
for (size_t i = 0; suffixes[i].name != NULL; ++i) { for (size_t i = 0; i < ARRAY_SIZE(suffixes); ++i) {
if (strcmp(value, suffixes[i].name) == 0) { if (strcmp(value, suffixes[i].name) == 0) {
multiplier = suffixes[i].multiplier; multiplier = suffixes[i].multiplier;
break; break;
@ -224,9 +229,9 @@ str_to_size(const char *value)
// Don't overflow here either. // Don't overflow here either.
if (result > SIZE_MAX / multiplier) if (result > SIZE_MAX / multiplier)
return SIZE_MAX; result = SIZE_MAX;
else
result *= multiplier; result *= multiplier;
} }
return result; return result;