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feat(string): add SStrPrintf

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fallenoak 2020-11-21 21:02:01 -06:00
parent d9e7f05c15
commit 3e24b01fe1
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3 changed files with 55 additions and 0 deletions
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35
storm/String.cpp
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@ -4,6 +4,8 @@
#include "storm/string/bjhash.hpp"
#include <cctype>
#include <cmath>
#include <cstdarg>
#include <cstdio>
#include <cstring>
#include <strings.h>
@ -167,6 +169,29 @@ void InitializeFloatDigits() {
}
}
size_t ISStrVPrintf(const char* format, va_list va, char* dest, size_t maxchars) {
if (!maxchars) {
return 0;
}
size_t result;
if (maxchars == STORM_MAX_STR) {
// TODO conditional vsoprintf;
result = vsprintf(dest, format, va);
} else {
// TODO conditional vsnoprintf;
result = vsnprintf(dest, maxchars, format, va);
if (result >= maxchars) {
result = maxchars - 1;
dest[result] = '\0';
}
}
return result;
}
void SStrInitialize() {
if (!s_initialized) {
InitializeFloatDigits();
@ -347,6 +372,16 @@ uint32_t SStrPack(char* dest, const char* source, uint32_t destsize) {
return i - dest;
}
size_t SStrPrintf(char* dest, size_t maxchars, const char* format, ...) {
va_list va;
va_start(va, format);
STORM_ASSERT(dest);
STORM_ASSERT(format);
return ISStrVPrintf(format, va, dest, maxchars);
}
const char* SStrStr(const char* string, const char* search) {
STORM_ASSERT(string);
STORM_ASSERT(search);

2
storm/String.hpp
View file

@ -27,6 +27,8 @@ void SStrLower(char* string);
uint32_t SStrPack(char* dest, const char* source, uint32_t destsize);
size_t SStrPrintf(char* dest, size_t maxchars, const char* format, ...);
const char* SStrStr(const char* string, const char* search);
void SStrTokenize(const char** string, char* buffer, size_t bufferchars, const char* whitespace, int32_t* quoted);