X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flibpspp%2Fstr.h;h=aaf83d71a448fcb9e429a165d92fa617ffbfd8fc;hb=8e7e8e7e1c3b098700428f2b75b1b4080ab9faf0;hp=dd41ede819a04c27cc15407167f7f4106fa8bbc0;hpb=d6fb2728eb8a99e89165c45d8e5d4a482114d3a0;p=pspp diff --git a/src/libpspp/str.h b/src/libpspp/str.h index dd41ede819..aaf83d71a4 100644 --- a/src/libpspp/str.h +++ b/src/libpspp/str.h @@ -29,9 +29,13 @@ #include "memcasecmp.h" #include "xstrndup.h" #include "xvasprintf.h" + +#include "gl/xalloc.h" /* Miscellaneous. */ +struct substring; + void buf_reverse (char *, size_t); int buf_compare_case (const char *, const char *, size_t); int buf_compare_rpad (const char *, size_t, const char *, size_t); @@ -50,6 +54,10 @@ void str_lowercase (char *); bool str_format_26adic (unsigned long int number, bool uppercase, char buffer[], size_t); +void str_ellipsize (struct substring in, char *out, size_t out_size); + +static inline char *xstrdup_if_nonnull (const char *); + void *mempset (void *, int, size_t); /* Common character classes for use with substring and string functions. */ @@ -95,6 +103,7 @@ void ss_dealloc (struct substring *); /* Mutators. Functions that advance the beginning of a string should not be used if a substring is to be deallocated. */ +void ss_swap (struct substring *, struct substring *); void ss_truncate (struct substring *, size_t); size_t ss_rtrim (struct substring *, struct substring trim_set); size_t ss_ltrim (struct substring *, struct substring trim_set); @@ -122,10 +131,12 @@ char *ss_end (struct substring); int ss_at (struct substring, size_t idx); int ss_first (struct substring); int ss_last (struct substring); +bool ss_starts_with (struct substring, struct substring prefix); bool ss_ends_with (struct substring, struct substring suffix); size_t ss_span (struct substring, struct substring skip_set); size_t ss_cspan (struct substring, struct substring stop_set); size_t ss_find_byte (struct substring, char); +size_t ss_find_substring (struct substring, struct substring); int ss_compare (struct substring, struct substring); int ss_compare_case (struct substring, struct substring); int ss_equals (struct substring, struct substring); @@ -139,6 +150,8 @@ int ss_first_mblen (struct substring); ucs4_t ss_get_mb (struct substring *); ucs4_t ss_at_mb (struct substring, size_t ofs); int ss_at_mblen (struct substring, size_t ofs); +size_t ss_utf8_count_columns (struct substring); +struct substring ss_utf8_columns (struct substring, size_t start, size_t n); /* Variable length strings. */ @@ -279,4 +292,10 @@ ss_buffer (const char *buffer, size_t cnt) return ss; } +static inline char * +xstrdup_if_nonnull (const char *s) +{ + return s ? xstrdup (s) : NULL; +} + #endif /* str_h */