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util/string.h: support 'int' for 'ascii_to'

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This patch complements the 'long' version of the 'ascii_to' conversion
function by an 'int' version.

Fixes #4583
This commit is contained in:
Norman Feske 2022-08-17 12:30:38 +02:00
parent d0a33e34da
commit 5319f36788
1 changed files with 27 additions and 4 deletions
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31
repos/base/include/util/string.h
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@ -459,20 +459,21 @@ namespace Genode {
/** /**
* Read signed long value from string * Read signed value from string
* *
* \return number of consumed characters * \return number of consumed characters
*/ */
inline size_t ascii_to(const char *s, long &result) template <typename T>
inline size_t ascii_to_signed(const char *s, T &result)
{ {
int i = 0; size_t i = 0;
/* read sign */ /* read sign */
int sign = (*s == '-') ? -1 : 1; int sign = (*s == '-') ? -1 : 1;
if (*s == '-' || *s == '+') { s++; i++; } if (*s == '-' || *s == '+') { s++; i++; }
unsigned long value = 0; T value = 0;
size_t const j = ascii_to_unsigned(s, value, 0); size_t const j = ascii_to_unsigned(s, value, 0);
@ -484,6 +485,28 @@ namespace Genode {
} }
/**
* Read signed long value from string
*
* \return number of consumed characters
*/
inline size_t ascii_to(const char *s, long &result)
{
return ascii_to_signed<long>(s, result);
}
/**
* Read signed integer value from string
*
* \return number of consumed characters
*/
inline size_t ascii_to(const char *s, int &result)
{
return ascii_to_signed<int>(s, result);
}
/** /**
* Read 'Number_of_bytes' value from string and handle the size suffixes * Read 'Number_of_bytes' value from string and handle the size suffixes
* *