ref: da43e27597e40f5a298ed5c4ae785cc1b36510d4
parent: 928963656d68dbface669773eecfb6b22ba15da5
author: Simon Howard <fraggle@gmail.com>
date: Sat May 1 17:20:30 EDT 2010
Silence printf(DEH_String(...)) warnings, by providing a DEH_printf function that checks the format string is a valid replacement. Also add DEH_fprintf and DEH_snprintf functions to use throughout the code to do similar checking. Subversion-branch: /trunk/chocolate-doom Subversion-revision: 1927
--- a/src/am_map.c
+++ b/src/am_map.c
@@ -515,7 +515,7 @@
for (i=0;i<10;i++)
{- sprintf(namebuf, DEH_String("AMMNUM%d"), i);+ DEH_snprintf(namebuf, 9, "AMMNUM%d", i);
marknums[i] = W_CacheLumpName(namebuf, PU_STATIC);
}
@@ -528,7 +528,7 @@
for (i=0;i<10;i++)
{- sprintf(namebuf, DEH_String("AMMNUM%d"), i);+ DEH_snprintf(namebuf, 9, "AMMNUM%d", i);
W_ReleaseLumpName(namebuf);
}
}
@@ -1035,7 +1035,7 @@
|| fl->b.x < 0 || fl->b.x >= f_w
|| fl->b.y < 0 || fl->b.y >= f_h)
{- fprintf(stderr, DEH_String("fuck %d \r"), fuck++);+ DEH_fprintf(stderr, "fuck %d \r", fuck++);
return;
}
--- a/src/d_main.c
+++ b/src/d_main.c
@@ -819,7 +819,7 @@
PrintBanner(PACKAGE_STRING);
- printf (DEH_String("Z_Init: Init zone memory allocation daemon. \n"));+ DEH_printf("Z_Init: Init zone memory allocation daemon. \n");Z_Init ();
#ifdef FEATURE_MULTIPLAYER
@@ -936,7 +936,7 @@
deathmatch = 2;
if (devparm)
- printf(DEH_String(D_DEVSTR));
+ DEH_printf(D_DEVSTR);
// find which dir to use for config files
@@ -962,7 +962,7 @@
scale = 10;
if (scale > 400)
scale = 400;
- printf (DEH_String("turbo scale: %i%%\n"),scale);+ DEH_printf("turbo scale: %i%%\n", scale);forwardmove[0] = forwardmove[0]*scale/100;
forwardmove[1] = forwardmove[1]*scale/100;
sidemove[0] = sidemove[0]*scale/100;
@@ -970,14 +970,14 @@
}
// init subsystems
- printf (DEH_String("V_Init: allocate screens.\n"));+ DEH_printf("V_Init: allocate screens.\n");V_Init ();
- printf (DEH_String("M_LoadDefaults: Load system defaults.\n"));+ DEH_printf("M_LoadDefaults: Load system defaults.\n");M_ApplyPlatformDefaults();
M_LoadDefaults (); // load before initing other systems
- printf (DEH_String("W_Init: Init WADfiles.\n"));+ DEH_printf("W_Init: Init WADfiles.\n");D_AddFile(iwadfile);
#ifdef FEATURE_WAD_MERGE
@@ -1322,8 +1322,8 @@
if (p && p < myargc-1 && deathmatch)
{- printf(DEH_String("Austin Virtual Gaming: Levels will end "- "after 20 minutes\n"));
+ DEH_printf("Austin Virtual Gaming: Levels will end "+ "after 20 minutes\n");
timelimit = 20;
}
@@ -1437,16 +1437,16 @@
PrintDehackedBanners();
- printf (DEH_String("M_Init: Init miscellaneous info.\n"));+ DEH_printf("M_Init: Init miscellaneous info.\n");M_Init ();
- printf (DEH_String("R_Init: Init DOOM refresh daemon - "));+ DEH_printf("R_Init: Init DOOM refresh daemon - ");R_Init ();
- printf (DEH_String("\nP_Init: Init Playloop state.\n"));+ DEH_printf("\nP_Init: Init Playloop state.\n");P_Init ();
- printf (DEH_String("I_Init: Setting up machine state.\n"));+ DEH_printf("I_Init: Setting up machine state.\n");I_Init ();
#ifdef FEATURE_MULTIPLAYER
@@ -1454,18 +1454,18 @@
NET_Init ();
#endif
- printf (DEH_String("S_Init: Setting up sound.\n"));+ DEH_printf("S_Init: Setting up sound.\n");S_Init (sfxVolume * 8, musicVolume * 8);
- printf (DEH_String("D_CheckNetGame: Checking network game status.\n"));+ DEH_printf("D_CheckNetGame: Checking network game status.\n");D_CheckNetGame ();
PrintGameVersion();
- printf (DEH_String("HU_Init: Setting up heads up display.\n"));+ DEH_printf("HU_Init: Setting up heads up display.\n");HU_Init ();
- printf (DEH_String("ST_Init: Init status bar.\n"));+ DEH_printf("ST_Init: Init status bar.\n");ST_Init ();
// If Doom II without a MAP01 lump, this is a store demo.
--- a/src/d_net.c
+++ b/src/d_net.c
@@ -370,17 +370,17 @@
++num_players;
}
- printf (DEH_String("startskill %i deathmatch: %i startmap: %i startepisode: %i\n"),- startskill, deathmatch, startmap, startepisode);
+ DEH_printf("startskill %i deathmatch: %i startmap: %i startepisode: %i\n",+ startskill, deathmatch, startmap, startepisode);
- printf(DEH_String("player %i of %i (%i nodes)\n"),- consoleplayer+1, num_players, num_players);
+ DEH_printf("player %i of %i (%i nodes)\n",+ consoleplayer+1, num_players, num_players);
// Show players here; the server might have specified a time limit
if (timelimit > 0)
{- printf(DEH_String("Levels will end after %d minute"),timelimit);+ DEH_printf("Levels will end after %d minute", timelimit);if (timelimit > 1)
printf("s"); printf(".\n");--- a/src/deh_main.h
+++ b/src/deh_main.h
@@ -27,6 +27,8 @@
#ifndef DEH_MAIN_H
#define DEH_MAIN_H
+#include <stdio.h>
+
#include "doomtype.h"
#include "doomfeatures.h"
#include "md5.h"
@@ -52,10 +54,16 @@
#ifdef FEATURE_DEHACKED
char *DEH_String(char *s);
+void DEH_printf(char *fmt, ...);
+void DEH_fprintf(FILE *fstream, char *fmt, ...);
+void DEH_snprintf(char *buffer, size_t len, char *fmt, ...);
#else
#define DEH_String(x) (x)
+#define DEH_printf printf
+#define DEH_fprintf fprintf
+#define DEH_snprintf snprintf
#endif
--- a/src/deh_text.c
+++ b/src/deh_text.c
@@ -24,6 +24,8 @@
//
//-----------------------------------------------------------------------------
+#include <stdarg.h>
+
#include "doomdef.h"
#include "doomtype.h"
@@ -250,4 +252,230 @@
NULL,
NULL,
};
+
+typedef enum
+{+ FORMAT_ARG_INVALID,
+ FORMAT_ARG_INT,
+ FORMAT_ARG_FLOAT,
+ FORMAT_ARG_CHAR,
+ FORMAT_ARG_STRING,
+ FORMAT_ARG_PTR,
+ FORMAT_ARG_SAVE_POS
+} format_arg_t;
+
+// Get the type of a format argument.
+// We can mix-and-match different format arguments as long as they
+// are for the same data type.
+
+static format_arg_t FormatArgumentType(char c)
+{+ switch (c)
+ {+ case 'd': case 'i': case 'o': case 'u': case 'x': case 'X':
+ return FORMAT_ARG_INT;
+
+ case 'e': case 'E': case 'f': case 'F': case 'g': case 'G':
+ case 'a': case 'A':
+ return FORMAT_ARG_FLOAT;
+
+ case 'c': case 'C':
+ return FORMAT_ARG_CHAR;
+
+ case 's': case 'S':
+ return FORMAT_ARG_STRING;
+
+ case 'p':
+ return FORMAT_ARG_PTR;
+
+ case 'n':
+ return FORMAT_ARG_SAVE_POS;
+
+ default:
+ return FORMAT_ARG_INVALID;
+ }
+}
+
+// Given the specified string, get the type of the first format
+// string encountered.
+
+static format_arg_t NextFormatArgument(char **str)
+{+ format_arg_t argtype;
+
+ // Search for the '%' starting the next string.
+
+ while (**str != '\0')
+ {+ if (**str == '%')
+ {+ ++*str;
+
+ // Don't stop for double-%s.
+
+ if (**str != '%')
+ {+ break;
+ }
+ }
+
+ ++*str;
+ }
+
+ // Find the type of the format string.
+
+ while (**str != '\0')
+ {+ argtype = FormatArgumentType(**str);
+
+ if (argtype != FORMAT_ARG_INVALID)
+ {+ ++*str;
+
+ return argtype;
+ }
+
+ ++*str;
+ }
+
+ // Stop searching, we have reached the end.
+
+ *str = NULL;
+
+ return FORMAT_ARG_INVALID;
+}
+
+// Check if the specified argument type is a valid replacement for
+// the original.
+
+static boolean ValidArgumentReplacement(format_arg_t original,
+ format_arg_t replacement)
+{+ // In general, the original and replacement types should be
+ // identical. However, there are some cases where the replacement
+ // is valid and the types don't match.
+
+ // Characters can be represented as ints.
+
+ if (original == FORMAT_ARG_CHAR && replacement == FORMAT_ARG_INT)
+ {+ return true;
+ }
+
+ // Strings are pointers.
+
+ if (original == FORMAT_ARG_STRING && replacement == FORMAT_ARG_PTR)
+ {+ return true;
+ }
+
+ return original == replacement;
+}
+
+// Return true if the specified string contains no format arguments.
+
+static boolean ValidFormatReplacement(char *original, char *replacement)
+{+ char *rover1;
+ char *rover2;
+ int argtype1, argtype2;
+
+ // Check each argument in turn and compare types.
+
+ rover1 = original; rover2 = replacement;
+
+ for (;;)
+ {+ argtype1 = NextFormatArgument(&rover1);
+ argtype2 = NextFormatArgument(&rover2);
+
+ if (argtype2 == FORMAT_ARG_INVALID)
+ {+ // No more arguments left to read from the replacement string.
+
+ break;
+ }
+ else if (argtype1 == FORMAT_ARG_INVALID)
+ {+ // Replacement string has more arguments than the original.
+
+ return false;
+ }
+ else if (!ValidArgumentReplacement(argtype1, argtype2))
+ {+ // Not a valid replacement argument.
+
+ return false;
+ }
+ }
+
+ return true;
+}
+
+// Get replacement format string, checking arguments.
+
+static char *FormatStringReplacement(char *s)
+{+ char *repl;
+
+ repl = DEH_String(s);
+
+ if (!ValidFormatReplacement(s, repl))
+ {+ printf("WARNING: Unsafe dehacked replacement provided for "+ "printf format string: %s\n", s);
+
+ return s;
+ }
+
+ return repl;
+}
+
+// printf(), performing a replacement on the format string.
+
+void DEH_printf(char *fmt, ...)
+{+ va_list args;
+ char *repl;
+
+ repl = FormatStringReplacement(fmt);
+
+ va_start(args, fmt);
+
+ vprintf(repl, args);
+
+ va_end(args);
+}
+
+// fprintf(), performing a replacement on the format string.
+
+void DEH_fprintf(FILE *fstream, char *fmt, ...)
+{+ va_list args;
+ char *repl;
+
+ repl = FormatStringReplacement(fmt);
+
+ va_start(args, fmt);
+
+ vfprintf(fstream, repl, args);
+
+ va_end(args);
+}
+
+// snprintf(), performing a replacement on the format string.
+
+void DEH_snprintf(char *buffer, size_t len, char *fmt, ...)
+{+ va_list args;
+ char *repl;
+
+ repl = FormatStringReplacement(fmt);
+
+ va_start(args, fmt);
+
+ vsnprintf(buffer, len, repl, args);
+
+ va_end(args);
+}
--- a/src/f_finale.c
+++ b/src/f_finale.c
@@ -663,7 +663,7 @@
laststage = stage;
}
- sprintf (name, DEH_String("END%i"), stage);+ DEH_snprintf(name, 10, "END%i", stage);
V_DrawPatch ((SCREENWIDTH-13*8)/2, (SCREENHEIGHT-8*8)/2,0,
W_CacheLumpName (name,PU_CACHE));
}
--- a/src/hu_stuff.c
+++ b/src/hu_stuff.c
@@ -345,7 +345,7 @@
j = HU_FONTSTART;
for (i=0;i<HU_FONTSIZE;i++)
{- sprintf(buffer, DEH_String("STCFN%.3d"), j++);+ DEH_snprintf(buffer, 9, "STCFN%.3d", j++);
hu_font[i] = (patch_t *) W_CacheLumpName(buffer, PU_STATIC);
}
--- a/src/m_menu.c
+++ b/src/m_menu.c
@@ -729,7 +729,7 @@
quickSaveSlot = -2; // means to pick a slot now
return;
}
- sprintf(tempstring,DEH_String(QSPROMPT),savegamestrings[quickSaveSlot]);
+ DEH_snprintf(tempstring, 80, QSPROMPT, savegamestrings[quickSaveSlot]);
M_StartMessage(tempstring,M_QuickSaveResponse,true);
}
@@ -761,7 +761,7 @@
M_StartMessage(DEH_String(QSAVESPOT),NULL,false);
return;
}
- sprintf(tempstring,DEH_String(QLPROMPT),savegamestrings[quickSaveSlot]);
+ DEH_snprintf(tempstring, 80, QLPROMPT, savegamestrings[quickSaveSlot]);
M_StartMessage(tempstring,M_QuickLoadResponse,true);
}
--- a/src/p_saveg.c
+++ b/src/p_saveg.c
@@ -76,7 +76,7 @@
filename = malloc(strlen(savegamedir) + 32);
}
- sprintf(basename, DEH_String(SAVEGAMENAME "%d.dsg"), slot);
+ DEH_snprintf(basename, 32, SAVEGAMENAME "%d.dsg", slot);
sprintf(filename, "%s%s", savegamedir, basename);
--- a/src/p_setup.c
+++ b/src/p_setup.c
@@ -774,9 +774,9 @@
if ( gamemode == commercial)
{if (map<10)
- sprintf (lumpname, DEH_String("map0%i"), map);+ DEH_snprintf(lumpname, 9, "map0%i", map);
else
- sprintf (lumpname, DEH_String("map%i"), map);+ DEH_snprintf(lumpname, 9, "map%i", map);
}
else
{--- a/src/st_stuff.c
+++ b/src/st_stuff.c
@@ -1081,10 +1081,10 @@
// Load the numbers, tall and short
for (i=0;i<10;i++)
{- sprintf(namebuf, DEH_String("STTNUM%d"), i);+ DEH_snprintf(namebuf, 9, "STTNUM%d", i);
callback(namebuf, &tallnum[i]);
- sprintf(namebuf, DEH_String("STYSNUM%d"), i);+ DEH_snprintf(namebuf, 9, "STYSNUM%d", i);
callback(namebuf, &shortnum[i]);
}
@@ -1096,7 +1096,7 @@
// key cards
for (i=0;i<NUMCARDS;i++)
{- sprintf(namebuf, DEH_String("STKEYS%d"), i);+ DEH_snprintf(namebuf, 9, "STKEYS%d", i);
callback(namebuf, &keys[i]);
}
@@ -1106,7 +1106,7 @@
// arms ownership widgets
for (i=0; i<6; i++)
{- sprintf(namebuf, DEH_String("STGNUM%d"), i+2);+ DEH_snprintf(namebuf, 9, "STGNUM%d", i+2);
// gray #
callback(namebuf, &arms[i][0]);
@@ -1116,7 +1116,7 @@
}
// face backgrounds for different color players
- sprintf(namebuf, DEH_String("STFB%d"), consoleplayer);+ DEH_snprintf(namebuf, 9, "STFB%d", consoleplayer);
callback(namebuf, &faceback);
// status bar background bits
@@ -1128,23 +1128,23 @@
{for (j=0; j<ST_NUMSTRAIGHTFACES; j++)
{- sprintf(namebuf, DEH_String("STFST%d%d"), i, j);+ DEH_snprintf(namebuf, 9, "STFST%d%d", i, j);
callback(namebuf, &faces[facenum]);
++facenum;
}
- sprintf(namebuf, DEH_String("STFTR%d0"), i); // turn right+ DEH_snprintf(namebuf, 9, "STFTR%d0", i); // turn right
callback(namebuf, &faces[facenum]);
++facenum;
- sprintf(namebuf, DEH_String("STFTL%d0"), i); // turn left+ DEH_snprintf(namebuf, 9, "STFTL%d0", i); // turn left
callback(namebuf, &faces[facenum]);
++facenum;
- sprintf(namebuf, DEH_String("STFOUCH%d"), i); // ouch!+ DEH_snprintf(namebuf, 9, "STFOUCH%d", i); // ouch!
callback(namebuf, &faces[facenum]);
++facenum;
- sprintf(namebuf, DEH_String("STFEVL%d"), i); // evil grin ;)+ DEH_snprintf(namebuf, 9, "STFEVL%d", i); // evil grin ;)
callback(namebuf, &faces[facenum]);
++facenum;
- sprintf(namebuf, DEH_String("STFKILL%d"), i); // pissed off+ DEH_snprintf(namebuf, 9, "STFKILL%d", i); // pissed off
callback(namebuf, &faces[facenum]);
++facenum;
}
--- a/src/wi_stuff.c
+++ b/src/wi_stuff.c
@@ -1589,16 +1589,16 @@
if (gamemode == commercial)
{for (i=0 ; i<NUMCMAPS ; i++)
- { - sprintf(name, DEH_String("CWILV%2.2d"), i);+ {+ DEH_snprintf(name, 9, "CWILV%2.2d", i);
callback(name, &lnames[i]);
- }
+ }
}
else
{for (i=0 ; i<NUMMAPS ; i++)
{- sprintf(name, DEH_String("WILV%d%d"), wbs->epsd, i);+ DEH_snprintf(name, 9, "WILV%d%d", wbs->epsd, i);
callback(name, &lnames[i]);
}
@@ -1610,7 +1610,7 @@
// splat
callback(DEH_String("WISPLAT"), &splat[0]);-
+
if (wbs->epsd < 3)
{for (j=0;j<NUMANIMS[wbs->epsd];j++)
@@ -1619,17 +1619,16 @@
for (i=0;i<a->nanims;i++)
{// MONDO HACK!
- if (wbs->epsd != 1 || j != 8)
+ if (wbs->epsd != 1 || j != 8)
{// animations
- sprintf(name, DEH_String("WIA%d%.2d%.2d"), - wbs->epsd, j, i);
+ DEH_snprintf(name, 9, "WIA%d%.2d%.2d", wbs->epsd, j, i);
callback(name, &a->p[i]);
}
else
{// HACK ALERT!
- a->p[i] = anims[1][4].p[i];
+ a->p[i] = anims[1][4].p[i];
}
}
}
@@ -1642,7 +1641,7 @@
for (i=0;i<10;i++)
{// numbers 0-9
- sprintf(name, DEH_String("WINUM%d"), i); + DEH_snprintf(name, 9, "WINUM%d", i);
callback(name, &num[i]);
}
@@ -1683,13 +1682,13 @@
callback(DEH_String("WICOLON"), &colon);// "time"
- callback(DEH_String("WITIME"), &timepatch); + callback(DEH_String("WITIME"), &timepatch);// "sucks"
- callback(DEH_String("WISUCKS"), &sucks); + callback(DEH_String("WISUCKS"), &sucks);// "par"
- callback(DEH_String("WIPAR"), &par); + callback(DEH_String("WIPAR"), &par);// "killers" (vertical)
callback(DEH_String("WIKILRS"), &killers);@@ -1698,16 +1697,16 @@
callback(DEH_String("WIVCTMS"), &victims);// "total"
- callback(DEH_String("WIMSTT"), &total); + callback(DEH_String("WIMSTT"), &total);for (i=0 ; i<MAXPLAYERS ; i++)
{// "1,2,3,4"
- sprintf(name, DEH_String("STPB%d"), i); + DEH_snprintf(name, 9, "STPB%d", i);
callback(name, &p[i]);
// "1,2,3,4"
- sprintf(name, DEH_String("WIBP%d"), i+1); + DEH_snprintf(name, 9, "WIBP%d", i+1);
callback(name, &bp[i]);
}
@@ -1725,7 +1724,7 @@
if (gamemode == commercial)
{- NUMCMAPS = 32;
+ NUMCMAPS = 32;
lnames = (patch_t **) Z_Malloc(sizeof(patch_t*) * NUMCMAPS,
PU_STATIC, NULL);
}
@@ -1756,11 +1755,11 @@
{ strcpy(bg_lumpname, DEH_String("INTERPIC"));}
- else
+ else
{- sprintf(bg_lumpname, DEH_String("WIMAP%d"), wbs->epsd);+ DEH_snprintf(bg_lumpname, 9, "WIMAP%d", wbs->epsd);
}
-
+
bg = W_CacheLumpName(bg_lumpname, PU_CACHE);
V_DrawPatch(0, 0, 1, bg);
}