/*
- * "$Id: string.c 5047 2006-02-02 05:14:15Z mike $"
+ * "$Id: string.c 5238 2006-03-07 04:41:42Z mike $"
*
* String functions for the Common UNIX Printing System (CUPS).
*
*
* Contents:
*
- * _cups_sp_alloc() - Allocate/reference a string.
- * _cups_sp_flush() - Flush the string pool...
- * _cups_sp_free() - Free/dereference a string.
- * _cups_sp_statistics() - Return allocation statistics for string pool.
+ * _cupsStrAlloc() - Allocate/reference a string.
+ * _cupsStrFlush() - Flush the string pool...
+ * _cupsStrFormatd() - Format a floating-point number.
+ * _cupsStrFree() - Free/dereference a string.
+ * _cupsStrScand() - Scan a string for a floating-point number.
+ * _cupsStrStatistics() - Return allocation statistics for string pool.
* _cups_strcpy() - Copy a string allowing for overlapping strings.
* _cups_strdup() - Duplicate a string.
* _cups_strcasecmp() - Do a case-insensitive comparison.
/*
- * '_cups_sp_alloc()' - Allocate/reference a string.
+ * '_cupsStrAlloc()' - Allocate/reference a string.
*/
char * /* O - String pointer */
-_cups_sp_alloc(const char *s) /* I - String */
+_cupsStrAlloc(const char *s) /* I - String */
{
_cups_globals_t *cg; /* Global data */
_cups_sp_item_t *item, /* String pool item */
/*
- * '_cups_sp_flush()' - Flush the string pool...
+ * '_cupsStrFlush()' - Flush the string pool...
*/
void
-_cups_sp_flush(_cups_globals_t *cg) /* I - Global data */
+_cupsStrFlush(_cups_globals_t *cg) /* I - Global data */
{
_cups_sp_item_t *item; /* Current item */
/*
- * '_cups_sp_free()' - Free/dereference a string.
+ * '_cupsStrFormatd()' - Format a floating-point number.
+ */
+
+char * /* O - Pointer to end of string */
+_cupsStrFormatd(char *buf, /* I - String */
+ char *bufend, /* I - End of string buffer */
+ double number, /* I - Number to format */
+ struct lconv *loc) /* I - Locale data */
+{
+ char *bufptr, /* Pointer into buffer */
+ temp[1024], /* Temporary string */
+ *tempdec, /* Pointer to decimal point */
+ *tempptr; /* Pointer into temporary string */
+ const char *dec; /* Decimal point */
+ int declen; /* Length of decimal point */
+
+
+ /*
+ * Format the number using the "%.12f" format and then eliminate
+ * unnecessary trailing 0's.
+ */
+
+ snprintf(temp, sizeof(temp), "%.12f", number);
+ for (tempptr = temp + strlen(temp) - 1;
+ tempptr > temp && *tempptr == '0';
+ *tempptr-- = '\0');
+
+ /*
+ * Next, find the decimal point...
+ */
+
+ if (loc && loc->decimal_point)
+ {
+ dec = loc->decimal_point;
+ declen = strlen(dec);
+ }
+ else
+ {
+ dec = ".";
+ declen = 1;
+ }
+
+ if (declen == 1)
+ tempdec = strchr(temp, *dec);
+ else
+ tempdec = strstr(temp, dec);
+
+ /*
+ * Copy everything up to the decimal point...
+ */
+
+ if (tempdec)
+ {
+ for (tempptr = temp, bufptr = buf;
+ tempptr < tempdec && bufptr < bufend;
+ *bufptr++ = *tempptr++);
+
+ tempdec += declen;
+
+ if (*tempdec && bufptr < bufend)
+ {
+ *bufptr++ = '.';
+
+ while (*tempptr && bufptr < bufend)
+ *bufptr++ = *tempptr++;
+ }
+
+ *bufptr = '\0';
+ }
+ else
+ {
+ strlcpy(buf, temp, bufend - buf + 1);
+ bufptr = buf + strlen(buf);
+ }
+
+ return (bufptr);
+}
+
+
+/*
+ * '_cupsStrFree()' - Free/dereference a string.
*/
void
-_cups_sp_free(const char *s)
+_cupsStrFree(const char *s) /* I - String to free */
{
_cups_globals_t *cg; /* Global data */
_cups_sp_item_t *item, /* String pool item */
/*
- * '_cups_sp_statistics()' - Return allocation statistics for string pool.
+ * '_cupsStrScand()' - Scan a string for a floating-point number.
+ *
+ * This function handles the locale-specific BS so that a decimal
+ * point is always the period (".")...
+ */
+
+double /* O - Number */
+_cupsStrScand(const char *buf, /* I - Pointer to number */
+ char **bufptr, /* O - New pointer or NULL on error */
+ struct lconv *loc) /* I - Locale data */
+{
+ char temp[1024], /* Temporary buffer */
+ *tempptr; /* Pointer into temporary buffer */
+
+
+ /*
+ * Range check input...
+ */
+
+ if (!buf)
+ return (0.0);
+
+ /*
+ * Skip leading whitespace...
+ */
+
+ while (isspace(*buf & 255))
+ buf ++;
+
+ /*
+ * Copy leading sign, numbers, period, and then numbers...
+ */
+
+ tempptr = temp;
+ if (*buf == '-' || *buf == '+')
+ *tempptr++ = *buf++;
+
+ while (isdigit(*buf & 255))
+ if (tempptr < (temp + sizeof(temp) - 1))
+ *tempptr++ = *buf++;
+ else
+ {
+ if (bufptr)
+ *bufptr = NULL;
+
+ return (0.0);
+ }
+
+ if (*buf == '.')
+ {
+ if (loc && loc->decimal_point)
+ {
+ strlcpy(tempptr, loc->decimal_point, sizeof(temp) - (tempptr - temp));
+ tempptr += strlen(tempptr);
+ }
+ else if (tempptr < (temp + sizeof(temp) - 1))
+ *tempptr++ = '.';
+ else
+ {
+ if (bufptr)
+ *bufptr = NULL;
+
+ return (0.0);
+ }
+
+ while (isdigit(*buf & 255))
+ if (tempptr < (temp + sizeof(temp) - 1))
+ *tempptr++ = *buf++;
+ else
+ {
+ if (bufptr)
+ *bufptr = NULL;
+
+ return (0.0);
+ }
+ }
+
+ /*
+ * Nul-terminate the temporary string and return the value...
+ */
+
+ if (bufptr)
+ *bufptr = (char *)buf;
+
+ *tempptr = '\0';
+
+ return (strtod(temp, NULL));
+}
+
+
+/*
+ * '_cupsStrStatistics()' - Return allocation statistics for string pool.
*/
size_t /* O - Number of strings */
-_cups_sp_statistics(size_t *alloc_bytes,/* O - Allocated bytes */
- size_t *total_bytes)/* O - Total string bytes */
+_cupsStrStatistics(size_t *alloc_bytes, /* O - Allocated bytes */
+ size_t *total_bytes) /* O - Total string bytes */
{
size_t count, /* Number of strings */
abytes, /* Allocated string bytes */
/*
- * End of "$Id: string.c 5047 2006-02-02 05:14:15Z mike $".
+ * End of "$Id: string.c 5238 2006-03-07 04:41:42Z mike $".
*/
projects / thirdparty / cups.git / blobdiff