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Diffstat (limited to 'src/doprnt.c')
| -rw-r--r-- | src/doprnt.c | 205 |
1 files changed, 0 insertions, 205 deletions
diff --git a/src/doprnt.c b/src/doprnt.c deleted file mode 100644 index 13fa047dcbe..00000000000 --- a/src/doprnt.c +++ /dev/null @@ -1,205 +0,0 @@ -/* Output like sprintf to a buffer of specified size. - Also takes args differently: pass one pointer to an array of strings - in addition to the format string which is separate. - Copyright (C) 1985 Free Software Foundation, Inc. - -This file is part of GNU Emacs. - -GNU Emacs is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 1, or (at your option) -any later version. - -GNU Emacs is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU Emacs; see the file COPYING. If not, write to -the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ - - -#include <config.h> -#include <stdio.h> -#include <ctype.h> - -/* Generate output from a format-spec FORMAT, - terminated at position FORMAT_END. - Output goes in BUFFER, which has room for BUFSIZE chars. - If the output does not fit, truncate it to fit. - Returns the number of characters stored into BUFFER. - ARGS points to the vector of arguments, and NARGS says how many. - A double counts as two arguments. */ - -doprnt (buffer, bufsize, format, format_end, nargs, args) - char *buffer; - register int bufsize; - char *format; - char *format_end; - int nargs; - char **args; -{ - int cnt = 0; /* Number of arg to gobble next */ - register char *fmt = format; /* Pointer into format string */ - register char *bufptr = buffer; /* Pointer into output buffer.. */ - - /* Use this for sprintf unless we need something really big. */ - char tembuf[100]; - - /* Size of sprintf_buffer. */ - int size_allocated = 100; - - /* Buffer to use for sprintf. Either tembuf or same as BIG_BUFFER. */ - char *sprintf_buffer = tembuf; - - /* Buffer we have got with malloc. */ - char *big_buffer = 0; - - register int tem; - char *string; - char fixed_buffer[20]; /* Default buffer for small formatting. */ - char *fmtcpy; - int minlen; - int size; /* Field width factor; e.g., %90d */ - - if (format_end == 0) - format_end = format + strlen (format); - - if ((format_end - format + 1) < sizeof (fixed_buffer)) - fmtcpy = fixed_buffer; - else - fmtcpy = (char *) alloca (format_end - format + 1); - - bufsize--; - - /* Loop until end of format string or buffer full. */ - while (fmt != format_end && bufsize > 0) - { - if (*fmt == '%') /* Check for a '%' character */ - { - int size_bound; - - fmt++; - /* Copy this one %-spec into fmtcpy. */ - string = fmtcpy; - *string++ = '%'; - while (1) - { - *string++ = *fmt; - if (! (*fmt >= '0' && *fmt <= '9') - && *fmt != '-' && *fmt != ' '&& *fmt != '.') - break; - fmt++; - } - *string = 0; - /* Get an idea of how much space we might need. */ - size_bound = atoi (&fmtcpy[1]); - - /* Avoid pitfall of negative "size" parameter ("%-200d"). */ - if (size_bound < 0) - size_bound = -size_bound; - size_bound += 50; - - /* Make sure we have that much. */ - if (size_bound > size_allocated) - { - if (big_buffer) - big_buffer = (char *) xrealloc (big_buffer, size_bound); - else - big_buffer = (char *) xmalloc (size_bound); - sprintf_buffer = big_buffer; - size_allocated = size_bound; - } - minlen = 0; - switch (*fmt++) - { - default: - error ("Invalid format operation %%%c", fmt[-1]); - -/* case 'b': */ - case 'd': - case 'o': - case 'x': - if (cnt == nargs) - error ("not enough arguments for format string"); - sprintf (sprintf_buffer, fmtcpy, args[cnt++]); - /* Now copy into final output, truncating as nec. */ - string = sprintf_buffer; - goto doit; - - case 'f': - case 'e': - case 'g': - { - union { double d; char *half[2]; } u; - if (cnt + 1 == nargs) - error ("not enough arguments for format string"); - u.half[0] = args[cnt++]; - u.half[1] = args[cnt++]; - sprintf (sprintf_buffer, fmtcpy, u.d); - /* Now copy into final output, truncating as nec. */ - string = sprintf_buffer; - goto doit; - } - - case 'S': - string[-1] = 's'; - case 's': - if (cnt == nargs) - error ("not enough arguments for format string"); - string = args[cnt++]; - if (fmtcpy[1] != 's') - minlen = atoi (&fmtcpy[1]); - /* Copy string into final output, truncating if no room. */ - doit: - tem = strlen (string); - if (minlen > 0) - { - while (minlen > tem && bufsize > 0) - { - *bufptr++ = ' '; - bufsize--; - minlen--; - } - minlen = 0; - } - if (tem > bufsize) - tem = bufsize; - strncpy (bufptr, string, tem); - bufptr += tem; - bufsize -= tem; - if (minlen < 0) - { - while (minlen < - tem && bufsize > 0) - { - *bufptr++ = ' '; - bufsize--; - minlen++; - } - minlen = 0; - } - continue; - - case 'c': - if (cnt == nargs) - error ("not enough arguments for format string"); - *bufptr++ = (int) args[cnt++]; - bufsize--; - continue; - - case '%': - fmt--; /* Drop thru and this % will be treated as normal */ - } - } - *bufptr++ = *fmt++; /* Just some characters; Copy 'em */ - bufsize--; - }; - - /* If we had to malloc something, free it. */ - if (big_buffer) - xfree (big_buffer); - - *bufptr = 0; /* Make sure our string end with a '\0' */ - return bufptr - buffer; -} |