th-libs: th_args.c comparison

Move th_print_wrap() and th_print_pad() to th_args from th_string.

author	Matti Hamalainen <ccr@tnsp.org>
date	Sun, 12 Jan 2020 14:27:09 +0200
parents	11f56a652cb0
children	1a4359ecc5d5

comparison

equal deleted inserted replaced

-:d60e1d751b5b
+:390c66af09cf
 return optionsOK;
 }
+void th_print_pad(FILE *fh, int count, const char och)
+{
+while (count--)
+fputc(och, fh);
+}
+void th_print_wrap(FILE *fh, const char *str,
+const int spad, int const rpad, const int width)
+{
+size_t pos = 0;
+BOOL first = TRUE;
+while (str[pos])
+{
+// Pre-pad line
+int linelen = first ? spad : rpad;
+th_print_pad(fh, first ? 0 : rpad, ' ');
+first = FALSE;
+// Skip whitespace at line start
+while (th_isspace(str[pos]) || str[pos] == '\n')
+pos++;
+// Handle each word
+while (str[pos] && str[pos] != '\n')
+{
+size_t next;
+int wlen;
+// Find word length and next break
+for (wlen = 0, next = pos;
+str[next] && !th_isspace(str[next]) &&
+str[next] != '\n';
+next++, wlen++);
+// Check if we have too much of text?
+if (linelen + wlen >= width)
+break;
+// Print what we have
+for (;pos < next; pos++, linelen++)
+fputc(str[pos], fh);
+// Check if we are at end of input or hard linefeed
+if (str[next] == '\n' || str[next] == 0)
+break;
+else
+{
+fputc(str[pos], fh);
+pos++;
+linelen++;
+}
+}
+fprintf(fh, "\n");
+}
+}
 /**
 * Print help for commandline arguments/options
 * @param fh stdio file handle to output to
 * @param opts options list array
 * @param nopts number of elements in options list array

Mercurial > hg > th-libs