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Remove characters that will not be allowed in the constant string.

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This commit is contained in:
Jaime Passos 2019-12-28 20:54:22 -03:00
parent 2166571920
commit 5b1b556946
1 changed files with 55 additions and 41 deletions
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96
src/g_game.c
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@ -3251,50 +3251,64 @@ INT16 G_AddGametype(UINT32 rules)
//
void G_AddGametypeConstant(INT16 gtype, const char *newgtconst)
{
char *gtconst = Z_Malloc(strlen(newgtconst) + 3, PU_STATIC, NULL);
// Copy GT_ and the gametype name.
strcpy(gtconst, "GT_");
strcat(gtconst, newgtconst);
size_t r = 0; // read
size_t w = 0; // write
char *gtconst = Z_Calloc(strlen(newgtconst) + 3, PU_STATIC, NULL);
char *tmpconst = Z_Calloc(strlen(newgtconst), PU_STATIC, NULL);
// Copy the gametype name.
strcpy(tmpconst, newgtconst);
// Make uppercase.
strupr(gtconst);
// Remove characters.
#define REMOVECHAR(chr) \
{ \
char *chrfind = strchr(gtconst, chr); \
while (chrfind) \
{ \
*chrfind = '_'; \
chrfind = strchr(chrfind, chr); \
} \
strupr(tmpconst);
// Prepare to write the new constant string now.
strcpy(gtconst, "GT_");
// Remove characters that will not be allowed in the constant string.
for (; r < strlen(tmpconst); r++)
{
boolean writechar = true;
char rc = tmpconst[r];
switch (rc)
{
// Space
case ' ':
// Used for operations
case '+':
case '-':
case '*':
case '/':
case '%':
case '^':
// Part of Lua's syntax
case '#':
case '=':
case '~':
case '<':
case '>':
case '(':
case ')':
case '{':
case '}':
case '[':
case ']':
case ':':
case ';':
case ',':
case '.':
writechar = false;
break;
}
if (writechar)
{
gtconst[3 + w] = rc;
w++;
}
}
// Space
REMOVECHAR(' ')
// Used for operations
REMOVECHAR('+')
REMOVECHAR('-')
REMOVECHAR('*')
REMOVECHAR('/')
REMOVECHAR('%')
REMOVECHAR('^')
// Part of Lua's syntax
REMOVECHAR('#')
REMOVECHAR('=')
REMOVECHAR('~')
REMOVECHAR('<')
REMOVECHAR('>')
REMOVECHAR('(')
REMOVECHAR(')')
REMOVECHAR('{')
REMOVECHAR('}')
REMOVECHAR('[')
REMOVECHAR(']')
REMOVECHAR(':')
REMOVECHAR(';')
REMOVECHAR(',')
REMOVECHAR('.')
#undef REMOVECHAR
// Free the temporary string.
Z_Free(tmpconst);
// Finally, set the constant string.
Gametype_ConstantNames[gtype] = gtconst;