static void show_status_line(void); // put a message on the bottom line
static void status_line(const char *, ...); // print to status buf
static void status_line_bold(const char *, ...);
+static void status_line_bold_errno(const char *fn);
static void not_implemented(const char *); // display "Not implemented" message
static int format_edit_status(void); // format file status on status line
static void redraw(int); // force a full screen refresh
#endif
// how many lines in text[]?
li = count_lines(text, end - 1);
- status_line("\"%s\"%s"
+ status_line("'%s'%s"
IF_FEATURE_VI_READONLY("%s")
" %dL, %dC", current_filename,
(file_size(fn) < 0 ? " [New file]" : ""),
goto ret; // nothing was inserted
// how many lines in text[]?
li = count_lines(q, q + ch - 1);
- status_line("\"%s\""
+ status_line("'%s'"
IF_FEATURE_VI_READONLY("%s")
" %dL, %dC", fn,
IF_FEATURE_VI_READONLY((readonly_mode ? " [Readonly]" : ""),)
}
#if ENABLE_FEATURE_VI_READONLY
if (readonly_mode && !useforce) {
- status_line_bold("\"%s\" File is read only", fn);
+ status_line_bold("'%s' is read only", fn);
goto ret;
}
#endif
}
if (l < 0) {
if (l == -1)
- status_line_bold("\"%s\" %s", fn, strerror(errno));
+ status_line_bold_errno(fn);
} else {
- status_line("\"%s\" %dL, %dC", fn, li, l);
+ status_line("'%s' %dL, %dC", fn, li, l);
if (q == text && r == end - 1 && l == ch) {
file_modified = 0;
last_file_modified = -1;
// search for pattern starting at p
static char *char_search(char *p, const char *pat, int dir, int range)
{
- char *q;
struct re_pattern_buffer preg;
+ const char *err;
+ char *q;
int i;
int size;
re_syntax_options = RE_SYNTAX_POSIX_EXTENDED;
- preg.translate = 0;
- preg.fastmap = 0;
- preg.buffer = 0;
- preg.allocated = 0;
+ if (ignorecase)
+ re_syntax_options = RE_SYNTAX_POSIX_EXTENDED | RE_ICASE;
+
+ memset(&preg, 0, sizeof(preg));
+ err = re_compile_pattern(pat, strlen(pat), &preg);
+ if (err != NULL) {
+ status_line_bold("bad search pattern '%s': %s", pat, err);
+ return p;
+ }
// assume a LIMITED forward search
- q = next_line(p);
- q = end_line(q);
q = end - 1;
- if (dir == BACK) {
- q = prev_line(p);
+ if (dir == BACK)
q = text;
- }
- // count the number of chars to search over, forward or backward
- size = q - p;
- if (size < 0)
- size = p - q;
// RANGE could be negative if we are searching backwards
range = q - p;
-
- q = (char *)re_compile_pattern(pat, strlen(pat), (struct re_pattern_buffer *)&preg);
- if (q != 0) {
- // The pattern was not compiled
- status_line_bold("bad search pattern: \"%s\": %s", pat, q);
- i = 0; // return p if pattern not compiled
- goto cs1;
- }
-
q = p;
+ size = range;
if (range < 0) {
+ size = -size;
q = p - size;
if (q < text)
q = text;
}
// search for the compiled pattern, preg, in p[]
- // range < 0- search backward
- // range > 0- search forward
+ // range < 0: search backward
+ // range > 0: search forward
// 0 < start < size
- // re_search() < 0 not found or error
- // re_search() > 0 index of found pattern
- // struct pattern char int int int struct reg
- // re_search (*pattern_buffer, *string, size, start, range, *regs)
- i = re_search(&preg, q, size, 0, range, 0);
- if (i == -1) {
- p = 0;
- i = 0; // return NULL if pattern not found
- }
- cs1:
- if (dir == FORWARD) {
+ // re_search() < 0: not found or error
+ // re_search() >= 0: index of found pattern
+ // struct pattern char int int int struct reg
+ // re_search(*pattern_buffer, *string, size, start, range, *regs)
+ i = re_search(&preg, q, size, /*start:*/ 0, range, /*struct re_registers*:*/ NULL);
+ regfree(&preg);
+ if (i < 0)
+ return NULL;
+ if (dir == FORWARD)
p = p + i;
- } else {
+ else
p = p - i;
- }
return p;
}
len = strlen(pat);
if (dir == FORWARD) {
- stop = end - 1; // assume range is p - end-1
+ stop = end - 1; // assume range is p..end-1
if (range == LIMITED)
stop = next_line(p); // range is to next line
for (start = p; start < stop; start++) {
}
}
} else if (dir == BACK) {
- stop = text; // assume range is text - p
+ stop = text; // assume range is text..p
if (range == LIMITED)
stop = prev_line(p); // range is to prev line
for (start = p - len; start >= stop; start--) {
dot_end(); // find NL
q = dot;
} else {
- // nothing -- this causes any other values of c to
- // represent the one-character range under the
- // cursor. this is correct for ' ' and 'l', but
- // perhaps no others.
- //
+ // nothing -- this causes any other values of c to
+ // represent the one-character range under the
+ // cursor. this is correct for ' ' and 'l', but
+ // perhaps no others.
+ //
}
if (q < p) {
t = q;
/* Validate file */
if (stat(fn, &statbuf) < 0) {
- status_line_bold("\"%s\" %s", fn, strerror(errno));
+ status_line_bold_errno(fn);
goto fi0;
}
if (!S_ISREG(statbuf.st_mode)) {
// This is not a regular file
- status_line_bold("\"%s\" Not a regular file", fn);
+ status_line_bold("'%s' is not a regular file", fn);
goto fi0;
}
if (p < text || p > end) {
// read file to buffer
fd = open(fn, O_RDONLY);
if (fd < 0) {
- status_line_bold("\"%s\" %s", fn, strerror(errno));
+ status_line_bold_errno(fn);
goto fi0;
}
- size = statbuf.st_size;
+ size = (statbuf.st_size < INT_MAX ? (int)statbuf.st_size : INT_MAX);
p += text_hole_make(p, size);
cnt = safe_read(fd, p, size);
if (cnt < 0) {
- status_line_bold("\"%s\" %s", fn, strerror(errno));
+ status_line_bold_errno(fn);
p = text_hole_delete(p, p + size - 1); // un-do buffer insert
} else if (cnt < size) {
// There was a partial read, shrink unused space text[]
- p = text_hole_delete(p + cnt, p + (size - cnt) - 1); // un-do buffer insert
- status_line_bold("can't read all of file \"%s\"", fn);
+ p = text_hole_delete(p + cnt, p + size - 1); // un-do buffer insert
+ status_line_bold("can't read '%s'", fn);
}
if (cnt >= size)
file_modified++;
have_status_msg = 1 + sizeof(ESC_BOLD_TEXT) + sizeof(ESC_NORM_TEXT) - 2;
}
+static void status_line_bold_errno(const char *fn)
+{
+ status_line_bold("'%s' %s", fn, strerror(errno));
+}
+
// format status buffer
static void status_line(const char *format, ...)
{
} else {
file_modified = 0;
last_file_modified = -1;
- status_line("\"%s\" %dL, %dC", current_filename, count_lines(text, end - 1), cnt);
+ status_line("'%s' %dL, %dC", current_filename, count_lines(text, end - 1), cnt);
if (p[0] == 'x' || p[1] == 'q' || p[1] == 'n'
|| p[0] == 'X' || p[1] == 'Q' || p[1] == 'N'
) {
}
if (file_modified) {
if (ENABLE_FEATURE_VI_READONLY && readonly_mode) {
- status_line_bold("\"%s\" File is read only", current_filename);
+ status_line_bold("'%s' is read only", current_filename);
break;
}
cnt = file_write(current_filename, text, end - 1);
projects / platform / upstream / busybox.git / blobdiff