diff options
Diffstat (limited to 'ncurses-5.3/ncurses/base/safe_sprintf.c')
| -rw-r--r-- | ncurses-5.3/ncurses/base/safe_sprintf.c | 244 |
1 files changed, 0 insertions, 244 deletions
diff --git a/ncurses-5.3/ncurses/base/safe_sprintf.c b/ncurses-5.3/ncurses/base/safe_sprintf.c deleted file mode 100644 index b9d9ae4..0000000 --- a/ncurses-5.3/ncurses/base/safe_sprintf.c +++ /dev/null @@ -1,244 +0,0 @@ -/**************************************************************************** - * Copyright (c) 1998,1999,2000 Free Software Foundation, Inc. * - * * - * Permission is hereby granted, free of charge, to any person obtaining a * - * copy of this software and associated documentation files (the * - * "Software"), to deal in the Software without restriction, including * - * without limitation the rights to use, copy, modify, merge, publish, * - * distribute, distribute with modifications, sublicense, and/or sell * - * copies of the Software, and to permit persons to whom the Software is * - * furnished to do so, subject to the following conditions: * - * * - * The above copyright notice and this permission notice shall be included * - * in all copies or substantial portions of the Software. * - * * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * - * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * - * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * - * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * - * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * - * * - * Except as contained in this notice, the name(s) of the above copyright * - * holders shall not be used in advertising or otherwise to promote the * - * sale, use or other dealings in this Software without prior written * - * authorization. * - ****************************************************************************/ - -/**************************************************************************** - * Author: Thomas E. Dickey <dickey@clark.net> 1997 * - ****************************************************************************/ - -#include <curses.priv.h> -#include <ctype.h> - -MODULE_ID("$Id$") - -#if USE_SAFE_SPRINTF - -typedef enum { - Flags, Width, Prec, Type, Format -} PRINTF; - -#define VA_INTGR(type) ival = va_arg(ap, type) -#define VA_FLOAT(type) fval = va_arg(ap, type) -#define VA_POINT(type) pval = (void *)va_arg(ap, type) - -/* - * Scan a variable-argument list for printf to determine the number of - * characters that would be emitted. - */ -static int -_nc_printf_length(const char *fmt, va_list ap) -{ - size_t length = BUFSIZ; - char *buffer; - char *format; - int len = 0; - - if (fmt == 0 || *fmt == '\0') - return -1; - if ((format = typeMalloc(char, strlen(fmt) + 1)) == 0) - return -1; - if ((buffer = typeMalloc(char, length)) == 0) { - free(format); - return -1; - } - - while (*fmt != '\0') { - if (*fmt == '%') { - static char dummy[] = ""; - PRINTF state = Flags; - char *pval = dummy; /* avoid const-cast */ - double fval = 0.0; - int done = FALSE; - int ival = 0; - int prec = -1; - int type = 0; - int used = 0; - int width = -1; - size_t f = 0; - - format[f++] = *fmt; - while (*++fmt != '\0' && len >= 0 && !done) { - format[f++] = *fmt; - - if (isdigit(UChar(*fmt))) { - int num = *fmt - '0'; - if (state == Flags && num != 0) - state = Width; - if (state == Width) { - if (width < 0) - width = 0; - width = (width * 10) + num; - } else if (state == Prec) { - if (prec < 0) - prec = 0; - prec = (prec * 10) + num; - } - } else if (*fmt == '*') { - VA_INTGR(int); - if (state == Flags) - state = Width; - if (state == Width) { - width = ival; - } else if (state == Prec) { - prec = ival; - } - sprintf(&format[--f], "%d", ival); - f = strlen(format); - } else if (isalpha(UChar(*fmt))) { - done = TRUE; - switch (*fmt) { - case 'Z': /* FALLTHRU */ - case 'h': /* FALLTHRU */ - case 'l': /* FALLTHRU */ - done = FALSE; - type = *fmt; - break; - case 'i': /* FALLTHRU */ - case 'd': /* FALLTHRU */ - case 'u': /* FALLTHRU */ - case 'x': /* FALLTHRU */ - case 'X': /* FALLTHRU */ - if (type == 'l') - VA_INTGR(long); - else if (type == 'Z') - VA_INTGR(size_t); - else - VA_INTGR(int); - used = 'i'; - break; - case 'f': /* FALLTHRU */ - case 'e': /* FALLTHRU */ - case 'E': /* FALLTHRU */ - case 'g': /* FALLTHRU */ - case 'G': /* FALLTHRU */ - VA_FLOAT(double); - used = 'f'; - break; - case 'c': - VA_INTGR(int); - used = 'i'; - break; - case 's': - VA_POINT(char *); - if (prec < 0) - prec = strlen(pval); - if (prec > (int) length) { - length = length + prec; - buffer = typeRealloc(char, length, buffer); - if (buffer == 0) { - free(format); - return -1; - } - } - used = 'p'; - break; - case 'p': - VA_POINT(void *); - used = 'p'; - break; - case 'n': - VA_POINT(int *); - used = 0; - break; - default: - break; - } - } else if (*fmt == '.') { - state = Prec; - } else if (*fmt == '%') { - done = TRUE; - used = 'p'; - } - } - format[f] = '\0'; - switch (used) { - case 'i': - sprintf(buffer, format, ival); - break; - case 'f': - sprintf(buffer, format, fval); - break; - default: - sprintf(buffer, format, pval); - break; - } - len += (int) strlen(buffer); - } else { - fmt++; - len++; - } - } - - free(buffer); - free(format); - return len; -} -#endif - -/* - * Wrapper for vsprintf that allocates a buffer big enough to hold the result. - */ -NCURSES_EXPORT(char *) -_nc_printf_string -(const char *fmt, va_list ap) -{ -#if USE_SAFE_SPRINTF - char *buf = 0; - int len = _nc_printf_length(fmt, ap); - - if (len > 0) { - if ((buf = typeMalloc(char, len + 1)) == 0) - return (0); - vsprintf(buf, fmt, ap); - } -#else - static int rows, cols; - static char *buf; - static size_t len; - - if (screen_lines > rows || screen_columns > cols) { - if (screen_lines > rows) - rows = screen_lines; - if (screen_columns > cols) - cols = screen_columns; - len = (rows * (cols + 1)) + 1; - buf = typeRealloc(char, len, buf); - if (buf == 0) { - return (0); - } - } - - if (buf != 0) { -# if HAVE_VSNPRINTF - vsnprintf(buf, len, fmt, ap); /* GNU extension */ -# else - vsprintf(buf, fmt, ap); /* ANSI */ -# endif - } -#endif - return buf; -} |