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authorpracticalswift <practicalswift@users.noreply.github.com>2018-04-26 21:01:03 +0200
committerpracticalswift <practicalswift@users.noreply.github.com>2018-06-06 08:08:44 +0200
commit698cfd081144845f6246171b8a2a0cfa8daaecdb (patch)
treeae9b11158d87ec5f89059fc7fe8dafea93bb9caa /doc
parent0a4ea2f4589961868ab4d25e0277485c31938e20 (diff)
downloadbitcoin-698cfd081144845f6246171b8a2a0cfa8daaecdb.tar.xz
docs: Mention lint-locale-dependence.sh in developer-notes.md
Diffstat (limited to 'doc')
-rw-r--r--doc/developer-notes.md30
1 files changed, 29 insertions, 1 deletions
diff --git a/doc/developer-notes.md b/doc/developer-notes.md
index 9081cab911..8f6c662f19 100644
--- a/doc/developer-notes.md
+++ b/doc/developer-notes.md
@@ -499,7 +499,35 @@ Strings and formatting
- Use `ParseInt32`, `ParseInt64`, `ParseUInt32`, `ParseUInt64`, `ParseDouble` from `utilstrencodings.h` for number parsing
- - *Rationale*: These functions do overflow checking, and avoid pesky locale issues
+ - *Rationale*: These functions do overflow checking, and avoid pesky locale issues.
+
+- Avoid using locale dependent functions if possible. You can use the provided
+ [`lint-locale-dependence.sh`](/contrib/devtools/lint-locale-dependence.sh)
+ to check for accidental use of locale dependent functions.
+
+ - *Rationale*: Unnecessary locale dependence can cause bugs that are very tricky to isolate and fix.
+
+ - These functions are known to be locale dependent:
+ `alphasort`, `asctime`, `asprintf`, `atof`, `atoi`, `atol`, `atoll`, `atoq`,
+ `btowc`, `ctime`, `dprintf`, `fgetwc`, `fgetws`, `fprintf`, `fputwc`,
+ `fputws`, `fscanf`, `fwprintf`, `getdate`, `getwc`, `getwchar`, `isalnum`,
+ `isalpha`, `isblank`, `iscntrl`, `isdigit`, `isgraph`, `islower`, `isprint`,
+ `ispunct`, `isspace`, `isupper`, `iswalnum`, `iswalpha`, `iswblank`,
+ `iswcntrl`, `iswctype`, `iswdigit`, `iswgraph`, `iswlower`, `iswprint`,
+ `iswpunct`, `iswspace`, `iswupper`, `iswxdigit`, `isxdigit`, `mblen`,
+ `mbrlen`, `mbrtowc`, `mbsinit`, `mbsnrtowcs`, `mbsrtowcs`, `mbstowcs`,
+ `mbtowc`, `mktime`, `putwc`, `putwchar`, `scanf`, `snprintf`, `sprintf`,
+ `sscanf`, `stoi`, `stol`, `stoll`, `strcasecmp`, `strcasestr`, `strcoll`,
+ `strfmon`, `strftime`, `strncasecmp`, `strptime`, `strtod`, `strtof`,
+ `strtoimax`, `strtol`, `strtold`, `strtoll`, `strtoq`, `strtoul`,
+ `strtoull`, `strtoumax`, `strtouq`, `strxfrm`, `swprintf`, `tolower`,
+ `toupper`, `towctrans`, `towlower`, `towupper`, `ungetwc`, `vasprintf`,
+ `vdprintf`, `versionsort`, `vfprintf`, `vfscanf`, `vfwprintf`, `vprintf`,
+ `vscanf`, `vsnprintf`, `vsprintf`, `vsscanf`, `vswprintf`, `vwprintf`,
+ `wcrtomb`, `wcscasecmp`, `wcscoll`, `wcsftime`, `wcsncasecmp`, `wcsnrtombs`,
+ `wcsrtombs`, `wcstod`, `wcstof`, `wcstoimax`, `wcstol`, `wcstold`,
+ `wcstoll`, `wcstombs`, `wcstoul`, `wcstoull`, `wcstoumax`, `wcswidth`,
+ `wcsxfrm`, `wctob`, `wctomb`, `wctrans`, `wctype`, `wcwidth`, `wprintf`
- For `strprintf`, `LogPrint`, `LogPrintf` formatting characters don't need size specifiers