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Minor cleanups to xzdec.

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This commit is contained in:
Lasse Collin 2008-11-20 11:01:29 +02:00
parent 54f716ba89
commit 86a0ed8f01
1 changed files with 10 additions and 10 deletions
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20
src/xzdec/xzdec.c
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@ -112,7 +112,7 @@ static void lzma_attribute((noreturn))
version(void)
{
printf(
"lzmadec (LZMA Utils) " PACKAGE_VERSION "\n"
"xzdec " PACKAGE_VERSION "\n"
"\n"
"Copyright (C) 1999-2006 Igor Pavlov\n"
"Copyright (C) 2007 Lasse Collin\n"
@ -149,14 +149,14 @@ set_default_memlimit(void)
}
/// \brief Converts a string to size_t
/// \brief Converts a string to uint64_t
///
/// This is rudely copied from src/xz/util.c and modified a little. :-(
///
static size_t
static uint64_t
str_to_uint64(const char *value)
{
size_t result = 0;
uint64_t result = 0;
if (*value < '0' || *value > '9') {
fprintf(stderr, "%s: %s: Not a number", argv0, value);
@ -165,8 +165,8 @@ str_to_uint64(const char *value)
do {
// Don't overflow.
if (result > (SIZE_MAX - 9) / 10)
return SIZE_MAX;
if (result > (UINT64_MAX - 9) / 10)
return UINT64_MAX;
result *= 10;
result += *value - '0';
@ -177,7 +177,7 @@ str_to_uint64(const char *value)
// Look for suffix.
static const struct {
const char name[4];
size_t multiplier;
uint32_t multiplier;
} suffixes[] = {
{ "k", 1000 },
{ "kB", 1000 },
@ -193,7 +193,7 @@ str_to_uint64(const char *value)
{ "GiB", 1073741824 }
};
size_t multiplier = 0;
uint32_t multiplier = 0;
for (size_t i = 0; i < ARRAY_SIZE(suffixes); ++i) {
if (strcmp(value, suffixes[i].name) == 0) {
multiplier = suffixes[i].multiplier;
@ -208,8 +208,8 @@ str_to_uint64(const char *value)
}
// Don't overflow here either.
if (result > SIZE_MAX / multiplier)
result = SIZE_MAX;
if (result > UINT64_MAX / multiplier)
result = UINT64_MAX;
else
result *= multiplier;
}