diff options
Diffstat (limited to 'private/crt32/stdio/maketabc.c')
| -rw-r--r-- | private/crt32/stdio/maketabc.c | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/private/crt32/stdio/maketabc.c b/private/crt32/stdio/maketabc.c new file mode 100644 index 000000000..243f63788 --- /dev/null +++ b/private/crt32/stdio/maketabc.c @@ -0,0 +1,128 @@ +/*** +*maketabc.c - program to generate printf format specifier lookup table for +* output.c +* +* Copyright (c) 1989-1991, Microsoft Corporation. All rights reserved. +* +*Purpose: +* This program writes to stdout the lookuptable values needed by +* output.c +* +*Revision History: +* 06-01-89 PHG Module created +* 1-16-91 SRW Added extra format codes (_WIN32_) +* 1-16-91 SRW Fixed output loop to put trailing comma on a line +* +*******************************************************************************/ + +#define TABLESIZE ('x' - ' ' + 1) + + +/* possible states to be in */ +#define NORMAL 0 /* normal character to be output */ +#define PERCENT 1 /* just read percent sign */ +#define FLAG 2 /* just read a flag character */ +#define WIDTH 3 /* just read a width specification character */ +#define DOT 4 /* just read a dot between width and precision */ +#define PRECIS 5 /* just read a precision specification character */ +#define SIZE 6 /* just read a size specification character */ +#define TYPE 7 /* just read a conversion specification character */ +#define BOGUS 0 /* bogus state - print the character literally */ + +#define NUMSTATES 8 + +/* possible types of characters to read */ +#define CH_OTHER 0 /* character with no special meaning */ +#define CH_PERCENT 1 /* '%' */ +#define CH_DOT 2 /* '.' */ +#define CH_STAR 3 /* '*' */ +#define CH_ZERO 4 /* '0' */ +#define CH_DIGIT 5 /* '1'..'9' */ +#define CH_FLAG 6 /* ' ', '+', '-', '#' */ +#define CH_SIZE 7 /* 'h', 'l', 'L', 'N', 'F' */ +#define CH_TYPE 8 /* conversion specified character */ + +#define NUMCHARS 9 + +unsigned char table[TABLESIZE]; /* the table we build */ + + + +/* this is the state table */ + +int statetable[NUMSTATES][NUMCHARS] = { +/* state, other % . * 0 digit flag size type */ + +/* NORMAL */ { NORMAL, PERCENT, NORMAL, NORMAL, NORMAL, NORMAL, NORMAL, NORMAL, NORMAL }, +/* PERCENT */ { BOGUS, NORMAL, DOT, WIDTH, FLAG, WIDTH, FLAG, SIZE, TYPE }, +/* FLAG */ { BOGUS, BOGUS, DOT, WIDTH, FLAG, WIDTH, FLAG, SIZE, TYPE }, +/* WIDTH */ { BOGUS, BOGUS, DOT, BOGUS, WIDTH, WIDTH, BOGUS, SIZE, TYPE }, +/* DOT */ { BOGUS, BOGUS, BOGUS, PRECIS, PRECIS, PRECIS, BOGUS, SIZE, TYPE }, +/* PRECIS */ { BOGUS, BOGUS, BOGUS, BOGUS, PRECIS, PRECIS, BOGUS, SIZE, TYPE }, +/* SIZE */ { BOGUS, BOGUS, BOGUS, BOGUS, BOGUS, BOGUS, BOGUS, SIZE, TYPE }, +/* TYPE */ { NORMAL, PERCENT, NORMAL, NORMAL, NORMAL, NORMAL, NORMAL, NORMAL, NORMAL } +}; + +/* this determines what type of character ch is */ + +static int chartype ( + int ch + ) +{ + if (ch < ' ' || ch > 'z') + return CH_OTHER; + if (ch == '%') + return CH_PERCENT; + if (ch == '.') + return CH_DOT; + if (ch == '*') + return CH_STAR; + if (ch == '0') + return CH_ZERO; + if (strchr("123456789", ch)) + return CH_DIGIT; + if (strchr(" +-#", ch)) + return CH_FLAG; + if (strchr("hlLNF", ch)) + return CH_SIZE; + if (strchr("diouxXfeEgGcspn", ch)) + return CH_TYPE; +#ifdef _WIN32_ + /* Win32 supports three additional format codes for debugging purposes */ + + if (strchr("BCS", ch)) + return CH_TYPE; +#endif /* ifdef _WIN32_ */ + + return CH_OTHER; +} + + +main() +{ + int ch; + int state, class; + int i; + + for (ch = ' '; ch <= 'x'; ++ch) { + table[ch-' '] = chartype(ch); + } + + for (state = NORMAL; state <= TYPE; ++state) + for (class = CH_OTHER; class <= CH_TYPE; ++class) + table[class*8+state] |= statetable[state][class]<<4; + + for (i = 0; i < TABLESIZE; ++i) { + if (i % 8 == 0) { + if (i != 0) + printf(","); + + printf("\n\t 0x%.2X", table[i]); + } + else + printf(", 0x%.2X", table[i]); + } + printf("\n"); + + return 0; +} |