Doxygen Source Code Documentation
r_misc.h File Reference
Go to the source code of this file.
Data Structures | |
| struct | THD_dvec3 |
Defines | |
| #define | ORCODE(aa) |
| #define | OR3OK(x, y, z) ( ((x)&6) + ((y)&6) + ((z)&6) == 6 ) |
Functions | |
| int | r_sprintf_long_to_hex (char *dest, unsigned long lsrc, int bytes, int pad) |
| unsigned long | r_hex_str_to_long (char *src, int hex_digits) |
Define Documentation
|
|
|
|
|
Value: ( (aa)=='R' ? ORI_R2L_TYPE : (aa)=='L' ? ORI_L2R_TYPE : \ (aa)=='P' ? ORI_P2A_TYPE : (aa)=='A' ? ORI_A2P_TYPE : \ (aa)=='I' ? ORI_I2S_TYPE : (aa)=='S' ? ORI_S2I_TYPE : ILLEGAL_TYPE ) |
Function Documentation
|
||||||||||||
|
Definition at line 31 of file r_misc.c.
00032 {
00033 unsigned long res = 0;
00034 char * cp;
00035 int nib, digs;
00036
00037 if ( hex_digits <= 0 || hex_digits > 8 )
00038 return 0;
00039
00040 for ( digs = hex_digits, cp = src; digs > 0; digs--, cp++ )
00041 {
00042 if ( (*cp >= '0') && (*cp <= '9') )
00043 nib = *cp - '0';
00044 else if ( (*cp >= 'a') && (*cp <= 'f') )
00045 nib = *cp - 'a' + 10;
00046 else if ( (*cp >= 'A') && (*cp <= 'F') )
00047 nib = *cp - 'A' + 10;
00048 else
00049 {
00050 fprintf( stderr, "r_hex_str_to_long: invalid input string <%8s>\n",
00051 src );
00052 return 0;
00053 }
00054
00055 res = (res << 4) + (nib & 0xf);
00056 }
00057
00058 return res;
00059 }
|
|
||||||||||||||||||||
|
---------------------------------------------------------------------- sprintf_long_to_hex - write hex chars to a string return number of hex pairs written (should equal bytes) ---------------------------------------------------------------------- Definition at line 1250 of file SUMA_Color.c.
01256 {
01257 static char hexstring[] = "0123456789ABCDEF";
01258
01259 unsigned char ub;
01260 char * cp = dest;
01261 int posn, size, ret;
01262
01263 if ( (bytes <= 0) || (bytes > 4) )
01264 {
01265 *cp = '\0';
01266 return 0;
01267 }
01268
01269 size = r_ulong_size( lsrc );
01270
01271 if ( (size < bytes) && !pad )
01272 ret = size;
01273 else
01274 ret = bytes;
01275
01276 for ( posn = ret-1; posn >= 0; posn-- )
01277 {
01278 /* write one hex pair for this byte */
01279 ub = ( lsrc >> (posn << 3) ) & 0xff; /* current ubyte */
01280 *cp++ = hexstring[(ub>>4) & 0xf]; /* upper nibble */
01281 *cp++ = hexstring[ ub & 0xf]; /* lower nibble */
01282 }
01283
01284 *cp = '\0';
01285
01286 return ret;
01287 }
|
