diff options
Diffstat (limited to 'source3/lib/snprintf.c')
| -rw-r--r-- | source3/lib/snprintf.c | 78 |
1 files changed, 46 insertions, 32 deletions
diff --git a/source3/lib/snprintf.c b/source3/lib/snprintf.c index 9a9dcdbae1e..cd1e63ce59f 100644 --- a/source3/lib/snprintf.c +++ b/source3/lib/snprintf.c @@ -57,6 +57,12 @@ #ifndef NO_CONFIG_H /* for some tests */ #include "config.h" +#else +#define NULL 0 +#endif + +#ifdef TEST_SNPRINTF /* need math library headers for testing */ +#include <math.h> #endif #ifdef HAVE_STRING_H @@ -94,8 +100,21 @@ #define LLONG long #endif +/* free memory if the pointer is valid and zero the pointer */ +#ifndef SAFE_FREE +#define SAFE_FREE(x) do { if ((x) != NULL) {free((x)); (x)=NULL;} } while(0) +#endif + +#ifndef VA_COPY +#ifdef HAVE_VA_COPY +#define VA_COPY(dest, src) __va_copy(dest, src) +#else +#define VA_COPY(dest, src) (dest) = (src) +#endif +#endif + static size_t dopr(char *buffer, size_t maxlen, const char *format, - va_list args); + va_list args_in); static void fmtstr(char *buffer, size_t *currlen, size_t maxlen, char *value, int flags, int min, int max); static void fmtint(char *buffer, size_t *currlen, size_t maxlen, @@ -138,7 +157,7 @@ static void dopr_outch(char *buffer, size_t *currlen, size_t maxlen, char c); #define MAX(p,q) (((p) >= (q)) ? (p) : (q)) #endif -static size_t dopr(char *buffer, size_t maxlen, const char *format, va_list args) +static size_t dopr(char *buffer, size_t maxlen, const char *format, va_list args_in) { char ch; LLONG value; @@ -150,6 +169,9 @@ static size_t dopr(char *buffer, size_t maxlen, const char *format, va_list args int flags; int cflags; size_t currlen; + va_list args; + + VA_COPY(args, args_in); state = DP_S_DEFAULT; currlen = flags = cflags = min = 0; @@ -656,9 +678,8 @@ static void fmtfp (char *buffer, size_t *currlen, size_t maxlen, /* Convert integer part */ do { - temp = intpart; - my_modf(intpart*0.1, &intpart); - temp = temp*0.1; + temp = intpart*0.1; + my_modf(temp, &intpart); index = (int) ((temp -intpart +0.05)* 10.0); /* index = (int) (((double)(temp*0.1) -intpart +0.05) *10.0); */ /* printf ("%llf, %f, %x\n", temp, intpart, index); */ @@ -672,9 +693,8 @@ static void fmtfp (char *buffer, size_t *currlen, size_t maxlen, if (fracpart) { do { - temp = fracpart; - my_modf(fracpart*0.1, &fracpart); - temp = temp*0.1; + temp = fracpart*0.1; + my_modf(temp, &fracpart); index = (int) ((temp -fracpart +0.05)* 10.0); /* index = (int) ((((temp/10) -fracpart) +0.05) *10); */ /* printf ("%lf, %lf, %ld\n", temp, fracpart, index); */ @@ -726,14 +746,14 @@ static void fmtfp (char *buffer, size_t *currlen, size_t maxlen, if (max > 0) { dopr_outch (buffer, currlen, maxlen, '.'); + while (zpadlen > 0) { + dopr_outch (buffer, currlen, maxlen, '0'); + --zpadlen; + } + while (fplace > 0) dopr_outch (buffer, currlen, maxlen, fconvert[--fplace]); } - - while (zpadlen > 0) { - dopr_outch (buffer, currlen, maxlen, '0'); - --zpadlen; - } while (padlen < 0) { dopr_outch (buffer, currlen, maxlen, ' '); @@ -784,13 +804,19 @@ static void dopr_outch(char *buffer, size_t *currlen, size_t maxlen, char c) int vasprintf(char **ptr, const char *format, va_list ap) { int ret; + va_list ap2; + + VA_COPY(ap2, ap); - ret = vsnprintf(NULL, 0, format, ap); + ret = vsnprintf(NULL, 0, format, ap2); if (ret <= 0) return ret; (*ptr) = (char *)malloc(ret+1); if (!*ptr) return -1; - ret = vsnprintf(*ptr, ret+1, format, ap); + + VA_COPY(ap2, ap); + + ret = vsnprintf(*ptr, ret+1, format, ap2); return ret; } @@ -812,20 +838,6 @@ static void dopr_outch(char *buffer, size_t *currlen, size_t maxlen, char c) } #endif -#ifndef HAVE_VSYSLOG -#ifdef HAVE_SYSLOG - void vsyslog (int facility_priority, char *format, va_list arglist) -{ - char *msg = NULL; - vasprintf(&msg, format, arglist); - if (!msg) - return; - syslog(facility_priority, "%s", msg); - free(msg); -} -#endif /* HAVE_SYSLOG */ -#endif /* HAVE_VSYSLOG */ - #ifdef TEST_SNPRINTF int sprintf(char *str,const char *fmt,...); @@ -853,7 +865,7 @@ static void dopr_outch(char *buffer, size_t *currlen, size_t maxlen, char c) NULL }; double fp_nums[] = { 6442452944.1234, -1.5, 134.21, 91340.2, 341.1234, 0203.9, 0.96, 0.996, - 0.9996, 1.996, 4.136, 0}; + 0.9996, 1.996, 4.136, 5.030201, 0}; char *int_fmt[] = { "%-1.5d", "%1.5d", @@ -948,8 +960,10 @@ static void dopr_outch(char *buffer, size_t *currlen, size_t maxlen, char c) { double v0 = 0.12345678901234567890123456789012345678901; for (x=0; x<100; x++) { - snprintf(buf1, sizeof(buf1), "%1.1f", v0*pow(10, x)); - sprintf(buf2, "%1.1f", v0*pow(10, x)); + double p = pow(10, x); + double r = v0*p; + snprintf(buf1, sizeof(buf1), "%1.1f", r); + sprintf(buf2, "%1.1f", r); if (strcmp(buf1, buf2)) { printf("we seem to support %d digits\n", x-1); break; |