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authorChristian Grothoff <christian@grothoff.org>2015-03-17 11:37:21 +0100
committerChristian Grothoff <christian@grothoff.org>2015-03-17 11:37:21 +0100
commit4eeaff13557c507061872e2346bfb53af6d51f1e (patch)
tree6a6ede869db8d1eeacd356a525d7f2e211bb760c /src/util
parent0119f629b3603e9635932b691fc31967ff085f7e (diff)
documentation, comments
Diffstat (limited to 'src/util')
-rw-r--r--src/util/amount.c46
1 files changed, 32 insertions, 14 deletions
diff --git a/src/util/amount.c b/src/util/amount.c
index 0b77de82b..b3e3b4217 100644
--- a/src/util/amount.c
+++ b/src/util/amount.c
@@ -30,8 +30,14 @@
#include "taler_util.h"
#include <gcrypt.h>
+/**
+ *
+ */
#define AMOUNT_FRAC_BASE 1000000
+/**
+ *
+ */
#define AMOUNT_FRAC_LEN 6
@@ -47,34 +53,39 @@ int
TALER_string_to_amount (const char *str,
struct TALER_Amount *denom)
{
- unsigned int i; // pos in str
+ size_t i; // pos in str
int n; // number tmp
- unsigned int c; // currency pos
+ size_t c; // currency pos
uint32_t b; // base for suffix
- memset (denom, 0, sizeof (struct TALER_Amount));
-
- i = n = c = 0;
+ memset (denom,
+ 0,
+ sizeof (struct TALER_Amount));
+ i = 0;
while (isspace(str[i]))
i++;
if (0 == str[i])
{
- printf("null before currency\n");
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "null before currency\n");
return GNUNET_SYSERR;
}
+ c = 0;
while (str[i] != ':')
{
if (0 == str[i])
{
- printf("null before colon");
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "null before colon");
return GNUNET_SYSERR;
}
if (c > 3)
{
- printf("currency too long\n");
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "currency too long\n");
return GNUNET_SYSERR;
}
denom->currency[c] = str[i];
@@ -87,7 +98,8 @@ TALER_string_to_amount (const char *str,
if (0 == str[i])
{
- printf("null before value\n");
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "null before value\n");
return GNUNET_SYSERR;
}
@@ -100,7 +112,10 @@ TALER_string_to_amount (const char *str,
n = str[i] - '0';
if (n < 0 || n > 9)
{
- printf("invalid character '%c' before comma at %u\n", (char) n, i);
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "invalid character '%c' before comma at %u\n",
+ (char) n,
+ i);
return GNUNET_SYSERR;
}
denom->value = (denom->value * 10) + n;
@@ -112,7 +127,8 @@ TALER_string_to_amount (const char *str,
if (0 == str[i])
{
- printf("null after dot");
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "null after dot");
return GNUNET_SYSERR;
}
@@ -121,9 +137,10 @@ TALER_string_to_amount (const char *str,
while (0 != str[i])
{
n = str[i] - '0';
- if (b == 0 || n < 0 || n > 9)
+ if ( (0 == b) || (n < 0) || (n > 9) )
{
- printf("error after comma");
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "error after comma");
return GNUNET_SYSERR;
}
denom->fraction += n * b;
@@ -293,7 +310,8 @@ TALER_amount_add (struct TALER_Amount a1,
struct TALER_Amount
TALER_amount_normalize (struct TALER_Amount amount)
{
- while (amount.value != UINT32_MAX && amount.fraction >= AMOUNT_FRAC_BASE)
+ while ( (amount.value != UINT32_MAX) &&
+ (amount.fraction >= AMOUNT_FRAC_BASE) )
{
amount.fraction -= AMOUNT_FRAC_BASE;
amount.value += 1;