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Merge pull request #32311 from YHNdnzj/write-ellipsis

Some minor cleanup for string-util (ellipsis)
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Lennart Poettering 2024-04-17 16:20:51 +02:00 committed by GitHub
commit c3d1dbfcdf
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2 changed files with 10 additions and 21 deletions

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@ -11,6 +11,7 @@
#include "extract-word.h" #include "extract-word.h"
#include "fd-util.h" #include "fd-util.h"
#include "fileio.h" #include "fileio.h"
#include "glyph-util.h"
#include "gunicode.h" #include "gunicode.h"
#include "locale-util.h" #include "locale-util.h"
#include "macro.h" #include "macro.h"
@ -282,16 +283,9 @@ bool string_has_cc(const char *p, const char *ok) {
} }
static int write_ellipsis(char *buf, bool unicode) { static int write_ellipsis(char *buf, bool unicode) {
if (unicode || is_locale_utf8()) { const char *s = special_glyph_full(SPECIAL_GLYPH_ELLIPSIS, unicode);
buf[0] = 0xe2; /* tri-dot ellipsis: … */ assert(strlen(s) == 3);
buf[1] = 0x80; memcpy(buf, s, 3);
buf[2] = 0xa6;
} else {
buf[0] = '.';
buf[1] = '.';
buf[2] = '.';
}
return 3; return 3;
} }
@ -398,8 +392,7 @@ static char *ascii_ellipsize_mem(const char *s, size_t old_length, size_t new_le
x = ((new_length - need_space) * percent + 50) / 100; x = ((new_length - need_space) * percent + 50) / 100;
assert(x <= new_length - need_space); assert(x <= new_length - need_space);
memcpy(t, s, x); write_ellipsis(mempcpy(t, s, x), /* unicode = */ false);
write_ellipsis(t + x, false);
suffix_len = new_length - x - need_space; suffix_len = new_length - x - need_space;
memcpy(t + x + 3, s + old_length - suffix_len, suffix_len); memcpy(t + x + 3, s + old_length - suffix_len, suffix_len);
*(t + x + 3 + suffix_len) = '\0'; *(t + x + 3 + suffix_len) = '\0';
@ -520,13 +513,8 @@ char *ellipsize_mem(const char *s, size_t old_length, size_t new_length, unsigne
if (!e) if (!e)
return NULL; return NULL;
/*
printf("old_length=%zu new_length=%zu x=%zu len=%zu len2=%zu k=%zu\n",
old_length, new_length, x, len, len2, k);
*/
memcpy_safe(e, s, len); memcpy_safe(e, s, len);
write_ellipsis(e + len, true); write_ellipsis(e + len, /* unicode = */ true);
char *dst = e + len + 3; char *dst = e + len + 3;
@ -605,7 +593,7 @@ char *cellescape(char *buf, size_t len, const char *s) {
} }
if (i + 4 <= len) /* yay, enough space */ if (i + 4 <= len) /* yay, enough space */
i += write_ellipsis(buf + i, false); i += write_ellipsis(buf + i, /* unicode = */ false);
else if (i + 3 <= len) { /* only space for ".." */ else if (i + 3 <= len) { /* only space for ".." */
buf[i++] = '.'; buf[i++] = '.';
buf[i++] = '.'; buf[i++] = '.';

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@ -38,11 +38,12 @@ int parse_show_status(const char *v, ShowStatus *ret) {
int status_vprintf(const char *status, ShowStatusFlags flags, const char *format, va_list ap) { int status_vprintf(const char *status, ShowStatusFlags flags, const char *format, va_list ap) {
static const char status_indent[] = " "; /* "[" STATUS "] " */ static const char status_indent[] = " "; /* "[" STATUS "] " */
static bool prev_ephemeral = false;
_cleanup_free_ char *s = NULL; _cleanup_free_ char *s = NULL;
_cleanup_close_ int fd = -EBADF; _cleanup_close_ int fd = -EBADF;
struct iovec iovec[7] = {}; struct iovec iovec[7] = {};
int n = 0; int n = 0;
static bool prev_ephemeral;
assert(format); assert(format);
@ -70,7 +71,7 @@ int status_vprintf(const char *status, ShowStatusFlags flags, const char *format
if (c <= 0) if (c <= 0)
c = 80; c = 80;
sl = status ? sizeof(status_indent)-1 : 0; sl = status ? strlen(status_indent) : 0;
emax = c - sl - 1; emax = c - sl - 1;
if (emax < 3) if (emax < 3)