X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flibpspp%2Fstr.c;h=d7c71b11f5509f15678693555676c54cc4662e3f;hb=8b37f66b3599f5809fbbb300d5cba5bb0557c184;hp=79e9ea1e14dae1def667b3f4edd1ea60f4e0ac5d;hpb=c60b1277e785531b1cfc26b48697af7f942561d3;p=pspp diff --git a/src/libpspp/str.c b/src/libpspp/str.c index 79e9ea1e14..d7c71b11f5 100644 --- a/src/libpspp/str.c +++ b/src/libpspp/str.c @@ -28,6 +28,8 @@ #include "libpspp/message.h" #include "libpspp/pool.h" +#include "gl/c-ctype.h" +#include "gl/c-vasnprintf.h" #include "gl/relocatable.h" #include "gl/minmax.h" #include "gl/xalloc.h" @@ -232,20 +234,26 @@ str_copy_buf_trunc (char *dst, size_t dst_size, dst[dst_len] = '\0'; } -/* Converts each byte in S to uppercase. */ +/* Converts each byte in S to uppercase. + + This is suitable only for ASCII strings. Use utf8_to_upper() for UTF-8 + strings.*/ void str_uppercase (char *s) { for (; *s != '\0'; s++) - *s = toupper ((unsigned char) *s); + *s = c_toupper ((unsigned char) *s); } -/* Converts each byte in S to lowercase. */ +/* Converts each byte in S to lowercase. + + This is suitable only for ASCII strings. Use utf8_to_lower() for UTF-8 + strings.*/ void str_lowercase (char *s) { for (; *s != '\0'; s++) - *s = tolower ((unsigned char) *s); + *s = c_tolower ((unsigned char) *s); } /* Converts NUMBER into a string in 26-adic notation in BUFFER, @@ -1499,22 +1507,36 @@ ds_put_format (struct string *st, const char *format, ...) va_end (args); } -/* Formats FORMAT as a printf string and appends the result to ST. */ +/* Formats FORMAT as a printf string as if in the C locale and appends the result to ST. */ void -ds_put_vformat (struct string *st, const char *format, va_list args_) +ds_put_c_format (struct string *st, const char *format, ...) +{ + va_list args; + + va_start (args, format); + ds_put_c_vformat (st, format, args); + va_end (args); +} + + +/* Formats FORMAT as a printf string, using fmt_func (a snprintf like function) + and appends the result to ST. */ +static void +ds_put_vformat_int (struct string *st, const char *format, va_list args_, + int (*fmt_func) (char *, size_t, const char *, va_list)) { int avail, needed; va_list args; va_copy (args, args_); avail = st->ss.string != NULL ? st->capacity - st->ss.length + 1 : 0; - needed = vsnprintf (st->ss.string + st->ss.length, avail, format, args); + needed = fmt_func (st->ss.string + st->ss.length, avail, format, args); va_end (args); if (needed >= avail) { va_copy (args, args_); - vsprintf (ds_put_uninit (st, needed), format, args); + fmt_func (ds_put_uninit (st, needed), needed + 1, format, args); va_end (args); } else @@ -1527,13 +1549,36 @@ ds_put_vformat (struct string *st, const char *format, va_list args_) avail = st->capacity - st->ss.length + 1; va_copy (args, args_); - needed = vsnprintf (ds_end (st), avail, format, args); + needed = fmt_func (ds_end (st), avail, format, args); va_end (args); } st->ss.length += needed; } } + +static int +vasnwrapper (char *str, size_t size, const char *format, va_list ap) +{ + c_vasnprintf (str, &size, format, ap); + return size; +} + +/* Formats FORMAT as a printf string and appends the result to ST. */ +void +ds_put_vformat (struct string *st, const char *format, va_list args_) +{ + ds_put_vformat_int (st, format, args_, vsnprintf); +} + +/* Formats FORMAT as a printf string, as if in the C locale, + and appends the result to ST. */ +void +ds_put_c_vformat (struct string *st, const char *format, va_list args_) +{ + ds_put_vformat_int (st, format, args_, vasnwrapper); +} + /* Appends byte CH to ST. */ void ds_put_byte (struct string *st, int ch) @@ -1548,6 +1593,13 @@ ds_put_byte_multiple (struct string *st, int ch, size_t cnt) memset (ds_put_uninit (st, cnt), ch, cnt); } +/* Appends Unicode code point UC to ST in UTF-8 encoding. */ +void +ds_put_unichar (struct string *st, ucs4_t uc) +{ + ds_extend (st, ds_length (st) + 6); + st->ss.length += u8_uctomb (CHAR_CAST (uint8_t *, ds_end (st)), uc, 6); +} /* If relocation has been enabled, replace ST, with its relocated version */