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comparison lib/fsusage.c @ 40:df153a752270

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merge with 3.4.1
author Jim Meyering <jim@meyering.net>
date Mon, 29 Mar 1993 05:09:24 +0000
parents 2d78b0003b93
children 7031c61568a0
comparison
equal deleted inserted replaced
39:a887f9ed7b42 40:df153a752270
54 #endif 54 #endif
55 55
56 /* Return the number of TOSIZE-byte blocks used by 56 /* Return the number of TOSIZE-byte blocks used by
57 BLOCKS FROMSIZE-byte blocks, rounding up. */ 57 BLOCKS FROMSIZE-byte blocks, rounding up. */
58 58
59 #define adjust_blocks(blocks, fromsize, tosize) \ 59 static long
60 (((fromsize) == (tosize)) \ 60 adjust_blocks (blocks, fromsize, tosize)
61 ? (blocks) /* E.g., from 512 to 512. */ \ 61 long blocks;
62 : (((fromsize) > (tosize)) \ 62 int fromsize, tosize;
63 /* E.g., from 2048 to 512. */ \ 63 {
64 ? (blocks) * ((fromsize) / (tosize)) \ 64 if (fromsize == tosize) /* E.g., from 512 to 512. */
65 /* E.g., from 256 to 512. */ \ 65 return blocks;
66 : ((blocks) + 1) / ((tosize) / (fromsize)))) 66 else if (fromsize > tosize) /* E.g., from 2048 to 512. */
67 return blocks * (fromsize / tosize);
68 else /* E.g., from 256 to 512. */
69 return (blocks + 1) / (tosize / fromsize);
70 }
67 71
68 /* Fill in the fields of FSP with information about space usage for 72 /* Fill in the fields of FSP with information about space usage for
69 the filesystem on which PATH resides. 73 the filesystem on which PATH resides.
70 DISK is the device on which PATH is mounted, for space-getting 74 DISK is the device on which PATH is mounted, for space-getting
71 methods that need to know it. 75 methods that need to know it.