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authorDamien Miller <djm@mindrot.org>2003-05-19 00:13:38 +1000
committerDamien Miller <djm@mindrot.org>2003-05-19 00:13:38 +1000
commit317412502b900ddecdafdfa171da99271846478b (patch)
tree2e04f618288cdf0c16a98b675b28b8287a15a0c6 /openbsd-compat/bsd-snprintf.c
parente323df6c4851b04386e747a009474f469fe97137 (diff)
- (djm) Big KNF on openbsd-compat/
Diffstat (limited to 'openbsd-compat/bsd-snprintf.c')
-rw-r--r--openbsd-compat/bsd-snprintf.c557
1 files changed, 229 insertions, 328 deletions
diff --git a/openbsd-compat/bsd-snprintf.c b/openbsd-compat/bsd-snprintf.c
index 2f82180d..e4d8a439 100644
--- a/openbsd-compat/bsd-snprintf.c
+++ b/openbsd-compat/bsd-snprintf.c
@@ -58,7 +58,7 @@
#include "includes.h"
-RCSID("$Id: bsd-snprintf.c,v 1.6 2003/04/01 11:31:56 djm Exp $");
+RCSID("$Id: bsd-snprintf.c,v 1.7 2003/05/18 14:13:39 djm Exp $");
#if defined(BROKEN_SNPRINTF) /* For those with broken snprintf() */
# undef HAVE_SNPRINTF
@@ -72,15 +72,15 @@ dopr(char *buffer, size_t maxlen, const char *format, va_list args);
static void
fmtstr(char *buffer, size_t *currlen, size_t maxlen, char *value, int flags,
- int min, int max);
+ int min, int max);
static void
fmtint(char *buffer, size_t *currlen, size_t maxlen, long value, int base,
- int min, int max, int flags);
+ int min, int max, int flags);
static void
fmtfp(char *buffer, size_t *currlen, size_t maxlen, long double fvalue,
- int min, int max, int flags);
+ int min, int max, int flags);
static void
dopr_outch(char *buffer, size_t *currlen, size_t maxlen, char c);
@@ -121,15 +121,10 @@ dopr_outch(char *buffer, size_t *currlen, size_t maxlen, char c);
static void
dopr(char *buffer, size_t maxlen, const char *format, va_list args)
{
- char *strvalue;
- char ch;
+ char *strvalue, ch;
long value;
long double fvalue;
- int min = 0;
- int max = -1;
- int state = DP_S_DEFAULT;
- int flags = 0;
- int cflags = 0;
+ int min = 0, max = -1, state = DP_S_DEFAULT, flags = 0, cflags = 0;
size_t currlen = 0;
ch = *format++;
@@ -139,224 +134,224 @@ dopr(char *buffer, size_t maxlen, const char *format, va_list args)
state = DP_S_DONE;
switch(state) {
- case DP_S_DEFAULT:
- if (ch == '%')
- state = DP_S_FLAGS;
- else
- dopr_outch(buffer, &currlen, maxlen, ch);
+ case DP_S_DEFAULT:
+ if (ch == '%')
+ state = DP_S_FLAGS;
+ else
+ dopr_outch(buffer, &currlen, maxlen, ch);
+ ch = *format++;
+ break;
+ case DP_S_FLAGS:
+ switch (ch) {
+ case '-':
+ flags |= DP_F_MINUS;
ch = *format++;
break;
- case DP_S_FLAGS:
- switch (ch) {
- case '-':
- flags |= DP_F_MINUS;
- ch = *format++;
- break;
- case '+':
- flags |= DP_F_PLUS;
- ch = *format++;
- break;
- case ' ':
- flags |= DP_F_SPACE;
- ch = *format++;
- break;
- case '#':
- flags |= DP_F_NUM;
- ch = *format++;
- break;
- case '0':
- flags |= DP_F_ZERO;
- ch = *format++;
- break;
- default:
- state = DP_S_MIN;
- break;
- }
+ case '+':
+ flags |= DP_F_PLUS;
+ ch = *format++;
break;
- case DP_S_MIN:
- if (isdigit((unsigned char)ch)) {
- min = 10*min + char_to_int (ch);
- ch = *format++;
- } else if (ch == '*') {
- min = va_arg (args, int);
- ch = *format++;
- state = DP_S_DOT;
- } else
- state = DP_S_DOT;
+ case ' ':
+ flags |= DP_F_SPACE;
+ ch = *format++;
break;
- case DP_S_DOT:
- if (ch == '.') {
- state = DP_S_MAX;
- ch = *format++;
- } else
- state = DP_S_MOD;
+ case '#':
+ flags |= DP_F_NUM;
+ ch = *format++;
break;
- case DP_S_MAX:
- if (isdigit((unsigned char)ch)) {
- if (max < 0)
- max = 0;
- max = 10*max + char_to_int(ch);
- ch = *format++;
- } else if (ch == '*') {
- max = va_arg (args, int);
- ch = *format++;
- state = DP_S_MOD;
- } else
- state = DP_S_MOD;
+ case '0':
+ flags |= DP_F_ZERO;
+ ch = *format++;
break;
- case DP_S_MOD:
- switch (ch) {
- case 'h':
- cflags = DP_C_SHORT;
- ch = *format++;
- break;
- case 'l':
- cflags = DP_C_LONG;
- ch = *format++;
- if (ch == 'l') {
- cflags = DP_C_LONG_LONG;
- ch = *format++;
- }
- break;
- case 'q':
- cflags = DP_C_LONG_LONG;
- ch = *format++;
- break;
- case 'L':
- cflags = DP_C_LDOUBLE;
- ch = *format++;
- break;
- default:
- break;
- }
- state = DP_S_CONV;
+ default:
+ state = DP_S_MIN;
break;
- case DP_S_CONV:
- switch (ch) {
- case 'd':
- case 'i':
- if (cflags == DP_C_SHORT)
- value = va_arg(args, int);
- else if (cflags == DP_C_LONG)
- value = va_arg(args, long int);
- else if (cflags == DP_C_LONG_LONG)
- value = va_arg (args, long long);
- else
- value = va_arg (args, int);
- fmtint(buffer, &currlen, maxlen, value, 10, min, max, flags);
- break;
- case 'o':
- flags |= DP_F_UNSIGNED;
- if (cflags == DP_C_SHORT)
- value = va_arg(args, unsigned int);
- else if (cflags == DP_C_LONG)
- value = va_arg(args, unsigned long int);
- else if (cflags == DP_C_LONG_LONG)
- value = va_arg(args, unsigned long long);
- else
- value = va_arg(args, unsigned int);
- fmtint(buffer, &currlen, maxlen, value, 8, min, max, flags);
- break;
- case 'u':
- flags |= DP_F_UNSIGNED;
- if (cflags == DP_C_SHORT)
- value = va_arg(args, unsigned int);
- else if (cflags == DP_C_LONG)
- value = va_arg(args, unsigned long int);
- else if (cflags == DP_C_LONG_LONG)
- value = va_arg(args, unsigned long long);
- else
- value = va_arg(args, unsigned int);
- fmtint (buffer, &currlen, maxlen, value, 10, min, max, flags);
- break;
- case 'X':
- flags |= DP_F_UP;
- case 'x':
- flags |= DP_F_UNSIGNED;
- if (cflags == DP_C_SHORT)
- value = va_arg(args, unsigned int);
- else if (cflags == DP_C_LONG)
- value = va_arg(args, unsigned long int);
- else if (cflags == DP_C_LONG_LONG)
- value = va_arg(args, unsigned long long);
- else
- value = va_arg(args, unsigned int);
- fmtint(buffer, &currlen, maxlen, value, 16, min, max, flags);
- break;
- case 'f':
- if (cflags == DP_C_LDOUBLE)
- fvalue = va_arg(args, long double);
- else
- fvalue = va_arg(args, double);
- /* um, floating point? */
- fmtfp(buffer, &currlen, maxlen, fvalue, min, max, flags);
- break;
- case 'E':
- flags |= DP_F_UP;
- case 'e':
- if (cflags == DP_C_LDOUBLE)
- fvalue = va_arg(args, long double);
- else
- fvalue = va_arg(args, double);
- break;
- case 'G':
- flags |= DP_F_UP;
- case 'g':
- if (cflags == DP_C_LDOUBLE)
- fvalue = va_arg(args, long double);
- else
- fvalue = va_arg(args, double);
- break;
- case 'c':
- dopr_outch(buffer, &currlen, maxlen, va_arg(args, int));
- break;
- case 's':
- strvalue = va_arg(args, char *);
- if (max < 0)
- max = maxlen; /* ie, no max */
- fmtstr(buffer, &currlen, maxlen, strvalue, flags, min, max);
- break;
- case 'p':
- strvalue = va_arg(args, void *);
- fmtint(buffer, &currlen, maxlen, (long) strvalue, 16, min, max, flags);
- break;
- case 'n':
- if (cflags == DP_C_SHORT) {
- short int *num;
- num = va_arg(args, short int *);
- *num = currlen;
- } else if (cflags == DP_C_LONG) {
- long int *num;
- num = va_arg(args, long int *);
- *num = currlen;
- } else if (cflags == DP_C_LONG_LONG) {
- long long *num;
- num = va_arg(args, long long *);
- *num = currlen;
- } else {
- int *num;
- num = va_arg(args, int *);
- *num = currlen;
- }
- break;
- case '%':
- dopr_outch(buffer, &currlen, maxlen, ch);
- break;
- case 'w': /* not supported yet, treat as next char */
- ch = *format++;
- break;
- default: /* Unknown, skip */
- break;
+ }
+ break;
+ case DP_S_MIN:
+ if (isdigit((unsigned char)ch)) {
+ min = 10 * min + char_to_int (ch);
+ ch = *format++;
+ } else if (ch == '*') {
+ min = va_arg (args, int);
+ ch = *format++;
+ state = DP_S_DOT;
+ } else
+ state = DP_S_DOT;
+ break;
+ case DP_S_DOT:
+ if (ch == '.') {
+ state = DP_S_MAX;
+ ch = *format++;
+ } else
+ state = DP_S_MOD;
+ break;
+ case DP_S_MAX:
+ if (isdigit((unsigned char)ch)) {
+ if (max < 0)
+ max = 0;
+ max = 10 * max + char_to_int(ch);
+ ch = *format++;
+ } else if (ch == '*') {
+ max = va_arg (args, int);
+ ch = *format++;
+ state = DP_S_MOD;
+ } else
+ state = DP_S_MOD;
+ break;
+ case DP_S_MOD:
+ switch (ch) {
+ case 'h':
+ cflags = DP_C_SHORT;
+ ch = *format++;
+ break;
+ case 'l':
+ cflags = DP_C_LONG;
+ ch = *format++;
+ if (ch == 'l') {
+ cflags = DP_C_LONG_LONG;
+ ch = *format++;
}
+ break;
+ case 'q':
+ cflags = DP_C_LONG_LONG;
+ ch = *format++;
+ break;
+ case 'L':
+ cflags = DP_C_LDOUBLE;
ch = *format++;
- state = DP_S_DEFAULT;
- flags = cflags = min = 0;
- max = -1;
break;
- case DP_S_DONE:
+ default:
+ break;
+ }
+ state = DP_S_CONV;
+ break;
+ case DP_S_CONV:
+ switch (ch) {
+ case 'd':
+ case 'i':
+ if (cflags == DP_C_SHORT)
+ value = va_arg(args, int);
+ else if (cflags == DP_C_LONG)
+ value = va_arg(args, long int);
+ else if (cflags == DP_C_LONG_LONG)
+ value = va_arg (args, long long);
+ else
+ value = va_arg (args, int);
+ fmtint(buffer, &currlen, maxlen, value, 10, min, max, flags);
+ break;
+ case 'o':
+ flags |= DP_F_UNSIGNED;
+ if (cflags == DP_C_SHORT)
+ value = va_arg(args, unsigned int);
+ else if (cflags == DP_C_LONG)
+ value = va_arg(args, unsigned long int);
+ else if (cflags == DP_C_LONG_LONG)
+ value = va_arg(args, unsigned long long);
+ else
+ value = va_arg(args, unsigned int);
+ fmtint(buffer, &currlen, maxlen, value, 8, min, max, flags);
break;
- default: /* hmm? */
- break; /* some picky compilers need this */
+ case 'u':
+ flags |= DP_F_UNSIGNED;
+ if (cflags == DP_C_SHORT)
+ value = va_arg(args, unsigned int);
+ else if (cflags == DP_C_LONG)
+ value = va_arg(args, unsigned long int);
+ else if (cflags == DP_C_LONG_LONG)
+ value = va_arg(args, unsigned long long);
+ else
+ value = va_arg(args, unsigned int);
+ fmtint (buffer, &currlen, maxlen, value, 10, min, max, flags);
+ break;
+ case 'X':
+ flags |= DP_F_UP;
+ case 'x':
+ flags |= DP_F_UNSIGNED;
+ if (cflags == DP_C_SHORT)
+ value = va_arg(args, unsigned int);
+ else if (cflags == DP_C_LONG)
+ value = va_arg(args, unsigned long int);
+ else if (cflags == DP_C_LONG_LONG)
+ value = va_arg(args, unsigned long long);
+ else
+ value = va_arg(args, unsigned int);
+ fmtint(buffer, &currlen, maxlen, value, 16, min, max, flags);
+ break;
+ case 'f':
+ if (cflags == DP_C_LDOUBLE)
+ fvalue = va_arg(args, long double);
+ else
+ fvalue = va_arg(args, double);
+ /* um, floating point? */
+ fmtfp(buffer, &currlen, maxlen, fvalue, min, max, flags);
+ break;
+ case 'E':
+ flags |= DP_F_UP;
+ case 'e':
+ if (cflags == DP_C_LDOUBLE)
+ fvalue = va_arg(args, long double);
+ else
+ fvalue = va_arg(args, double);
+ break;
+ case 'G':
+ flags |= DP_F_UP;
+ case 'g':
+ if (cflags == DP_C_LDOUBLE)
+ fvalue = va_arg(args, long double);
+ else
+ fvalue = va_arg(args, double);
+ break;
+ case 'c':
+ dopr_outch(buffer, &currlen, maxlen, va_arg(args, int));
+ break;
+ case 's':
+ strvalue = va_arg(args, char *);
+ if (max < 0)
+ max = maxlen; /* ie, no max */
+ fmtstr(buffer, &currlen, maxlen, strvalue, flags, min, max);
+ break;
+ case 'p':
+ strvalue = va_arg(args, void *);
+ fmtint(buffer, &currlen, maxlen, (long) strvalue, 16, min, max, flags);
+ break;
+ case 'n':
+ if (cflags == DP_C_SHORT) {
+ short int *num;
+ num = va_arg(args, short int *);
+ *num = currlen;
+ } else if (cflags == DP_C_LONG) {
+ long int *num;
+ num = va_arg(args, long int *);
+ *num = currlen;
+ } else if (cflags == DP_C_LONG_LONG) {
+ long long *num;
+ num = va_arg(args, long long *);
+ *num = currlen;
+ } else {
+ int *num;
+ num = va_arg(args, int *);
+ *num = currlen;
+ }
+ break;
+ case '%':
+ dopr_outch(buffer, &currlen, maxlen, ch);
+ break;
+ case 'w': /* not supported yet, treat as next char */
+ ch = *format++;
+ break;
+ default: /* Unknown, skip */
+ break;
+ }
+ ch = *format++;
+ state = DP_S_DEFAULT;
+ flags = cflags = min = 0;
+ max = -1;
+ break;
+ case DP_S_DONE:
+ break;
+ default: /* hmm? */
+ break; /* some picky compilers need this */
}
}
if (currlen < maxlen - 1)
@@ -367,10 +362,9 @@ dopr(char *buffer, size_t maxlen, const char *format, va_list args)
static void
fmtstr(char *buffer, size_t *currlen, size_t maxlen,
- char *value, int flags, int min, int max)
+ char *value, int flags, int min, int max)
{
- int padlen, strln; /* amount to pad */
- int cnt = 0;
+ int cnt = 0, padlen, strln; /* amount to pad */
if (value == 0)
value = "<NULL>";
@@ -402,15 +396,13 @@ fmtstr(char *buffer, size_t *currlen, size_t maxlen,
static void
fmtint(char *buffer, size_t *currlen, size_t maxlen,
- long value, int base, int min, int max, int flags)
+ long value, int base, int min, int max, int flags)
{
unsigned long uvalue;
char convert[20];
- int signvalue = 0;
- int place = 0;
+ int signvalue = 0, place = 0, caps = 0;
int spadlen = 0; /* amount to space pad */
int zpadlen = 0; /* amount to zero pad */
- int caps = 0;
if (max < 0)
max = 0;
@@ -429,11 +421,10 @@ fmtint(char *buffer, size_t *currlen, size_t maxlen,
if (flags & DP_F_UP)
caps = 1; /* Should characters be upper case? */
-
do {
convert[place++] =
- (caps? "0123456789ABCDEF":"0123456789abcdef")
- [uvalue % (unsigned)base];
+ (caps ? "0123456789ABCDEF" : "0123456789abcdef")
+ [uvalue % (unsigned)base];
uvalue = (uvalue / (unsigned)base );
} while (uvalue && (place < 20));
if (place == 20)
@@ -453,7 +444,6 @@ fmtint(char *buffer, size_t *currlen, size_t maxlen,
if (flags & DP_F_MINUS)
spadlen = -spadlen; /* Left Justifty */
-
/* Spaces */
while (spadlen > 0) {
dopr_outch(buffer, currlen, maxlen, ' ');
@@ -512,16 +502,11 @@ static void
fmtfp(char *buffer, size_t *currlen, size_t maxlen, long double fvalue,
int min, int max, int flags)
{
- char iconvert[20];
- char fconvert[20];
- int signvalue = 0;
- int iplace = 0;
- int fplace = 0;
+ char iconvert[20], fconvert[20];
+ int signvalue = 0, iplace = 0, fplace = 0;
int padlen = 0; /* amount to pad */
- int zpadlen = 0;
- int caps = 0;
- long intpart;
- long fracpart;
+ int zpadlen = 0, caps = 0;
+ long intpart, fracpart;
long double ufvalue;
/*
@@ -562,7 +547,8 @@ fmtfp(char *buffer, size_t *currlen, size_t maxlen, long double fvalue,
/* Convert integer part */
do {
iconvert[iplace++] =
- (caps? "0123456789ABCDEF":"0123456789abcdef")[intpart % 10];
+ (caps ? "0123456789ABCDEF" : "0123456789abcdef")
+ [intpart % 10];
intpart = (intpart / 10);
} while(intpart && (iplace < 20));
if (iplace == 20)
@@ -572,7 +558,8 @@ fmtfp(char *buffer, size_t *currlen, size_t maxlen, long double fvalue,
/* Convert fractional part */
do {
fconvert[fplace++] =
- (caps? "0123456789ABCDEF":"0123456789abcdef")[fracpart % 10];
+ (caps ? "0123456789ABCDEF" : "0123456789abcdef")
+ [fracpart % 10];
fracpart = (fracpart / 10);
} while(fracpart && (fplace < 20));
if (fplace == 20)
@@ -611,8 +598,8 @@ fmtfp(char *buffer, size_t *currlen, size_t maxlen, long double fvalue,
dopr_outch(buffer, currlen, maxlen, iconvert[--iplace]);
/*
- * Decimal point. This should probably use locale to find the correct
- * char to print out.
+ * Decimal point. This should probably use locale to find the
+ * correct char to print out.
*/
dopr_outch(buffer, currlen, maxlen, '.');
@@ -662,90 +649,4 @@ snprintf(char *str,size_t count,const char *fmt,...)
return(strlen(str));
}
-#ifdef TEST_SNPRINTF
-int
-main(void)
-{
-#define LONG_STRING 1024
- char buf1[LONG_STRING];
- char buf2[LONG_STRING];
- char *fp_fmt[] = {
- "%-1.5f",
- "%1.5f",
- "%123.9f",
- "%10.5f",
- "% 10.5f",
- "%+22.9f",
- "%+4.9f",
- "%01.3f",
- "%4f",
- "%3.1f",
- "%3.2f",
- NULL
- };
- double fp_nums[] = {
- -1.5,
- 134.21,
- 91340.2,
- 341.1234,
- 0203.9,
- 0.96,
- 0.996,
- 0.9996,
- 1.996,
- 4.136,
- 0
- };
- char *int_fmt[] = {
- "%-1.5d",
- "%1.5d",
- "%123.9d",
- "%5.5d",
- "%10.5d",
- "% 10.5d",
- "%+22.33d",
- "%01.3d",
- "%4d",
- "%lld",
- "%qd",
- NULL
- };
- long long int_nums[] = { -1, 134, 91340, 341, 0203, 0, 9999999 };
- int x, y;
- int fail = 0;
- int num = 0;
-
- printf("Testing snprintf format codes against system sprintf...\n");
-
- for (x = 0; fp_fmt[x] != NULL ; x++) {
- for (y = 0; fp_nums[y] != 0 ; y++) {
- snprintf(buf1, sizeof (buf1), fp_fmt[x], fp_nums[y]);
- sprintf (buf2, fp_fmt[x], fp_nums[y]);
- if (strcmp (buf1, buf2)) {
- printf("snprintf doesn't match Format: %s\n\t"
- "snprintf = %s\n\tsprintf = %s\n",
- fp_fmt[x], buf1, buf2);
- fail++;
- }
- num++;
- }
- }
- for (x = 0; int_fmt[x] != NULL ; x++) {
- for (y = 0; int_nums[y] != 0 ; y++) {
- snprintf(buf1, sizeof (buf1), int_fmt[x], int_nums[y]);
- sprintf(buf2, int_fmt[x], int_nums[y]);
- if (strcmp (buf1, buf2)) {
- printf("snprintf doesn't match Format: %s\n\t"
- "snprintf = %s\n\tsprintf = %s\n",
- int_fmt[x], buf1, buf2);
- fail++;
- }
- num++;
- }
- }
- printf("%d tests failed out of %d.\n", fail, num);
- return(0);
-}
-#endif /* SNPRINTF_TEST */
-
#endif /* !HAVE_SNPRINTF */