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(svn r14540) -Codechange: introduce [v]seprintf which are like [v]snprintf but do return the number of characters written instead of the number of characters that would be written; as size_t is unsigned substraction can cause integer underflows quite quickly.

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rubidium
2008-10-28 14:42:31 +00:00
parent 83e1a083d1
commit 0d2f84e117
9 changed files with 97 additions and 41 deletions
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6
src/strings.cpp
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@@ -271,7 +271,7 @@ static char *FormatNoCommaNumber(char *buff, int64 number, const char *last)
static char *FormatHexNumber(char *buff, int64 number, const char *last)
{
return buff + snprintf(buff, last - buff, "0x%x", (uint32)number);
return buff + seprintf(buff, last, "0x%x", (uint32)number);
}
static char *FormatYmdString(char *buff, Date date, const char* last)
@@ -1198,8 +1198,8 @@ static char *GetSpecialNameString(char *buff, int ind, const int64 *argv, const
/* resolution size? */
if (IsInsideMM(ind, (SPECSTR_RESOLUTION_START - 0x70E4), (SPECSTR_RESOLUTION_END - 0x70E4) + 1)) {
int i = ind - (SPECSTR_RESOLUTION_START - 0x70E4);
buff += snprintf(
buff, last - buff + 1, "%dx%d", _resolutions[i].width, _resolutions[i].height
buff += seprintf(
buff, last, "%dx%d", _resolutions[i].width, _resolutions[i].height
);
return buff;
}