FreeCalypso > hg > freecalypso-sw
annotate rvinterf/include/ffslimits.h @ 348:e63ab4a97e24
OSL: os_isr.c done
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
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date | Thu, 08 May 2014 02:58:05 +0000 |
parents | 3dd74b16df82 |
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3dd74b16df82
fc-fsio: pathname recursion handling revamped
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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1 /* |
3dd74b16df82
fc-fsio: pathname recursion handling revamped
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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2 * Limits on FFS filenames and pathnames |
3dd74b16df82
fc-fsio: pathname recursion handling revamped
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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3 * |
3dd74b16df82
fc-fsio: pathname recursion handling revamped
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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4 * The deepest pathname allowed is one of the form /1/2/3/4/5/6, where the |
3dd74b16df82
fc-fsio: pathname recursion handling revamped
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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5 * last component may be a file, a directory or a symlink; if this last |
3dd74b16df82
fc-fsio: pathname recursion handling revamped
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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6 * component is a directory, it has to be empty, because any child of |
3dd74b16df82
fc-fsio: pathname recursion handling revamped
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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7 * that directory would violate the depth limit. |
3dd74b16df82
fc-fsio: pathname recursion handling revamped
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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8 * |
3dd74b16df82
fc-fsio: pathname recursion handling revamped
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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9 * The proper FFS pathname form begins with a slash (all pathnames must |
3dd74b16df82
fc-fsio: pathname recursion handling revamped
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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10 * be absolute, no Unix processes in the fw means no current directories), |
3dd74b16df82
fc-fsio: pathname recursion handling revamped
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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11 * has exactly one slash in each separating place (no double slashes), |
3dd74b16df82
fc-fsio: pathname recursion handling revamped
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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12 * and no trailing slash except in the special case of the root directory, |
3dd74b16df82
fc-fsio: pathname recursion handling revamped
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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13 * whose full pathname is "/". |
3dd74b16df82
fc-fsio: pathname recursion handling revamped
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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14 * |
3dd74b16df82
fc-fsio: pathname recursion handling revamped
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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15 * Each component name is [1,20] characters long; combining this limit |
3dd74b16df82
fc-fsio: pathname recursion handling revamped
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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16 * with the maximum depth of 6 puts the maximum length of a properly-formed |
3dd74b16df82
fc-fsio: pathname recursion handling revamped
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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17 * full pathname at 126 characters. |
3dd74b16df82
fc-fsio: pathname recursion handling revamped
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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18 */ |
3dd74b16df82
fc-fsio: pathname recursion handling revamped
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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19 |
3dd74b16df82
fc-fsio: pathname recursion handling revamped
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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20 #define MAX_FN_COMPONENT 20 |
3dd74b16df82
fc-fsio: pathname recursion handling revamped
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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21 #define MAX_NAME_DEPTH 6 |
3dd74b16df82
fc-fsio: pathname recursion handling revamped
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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22 #define MAX_FULL_PATHNAME ((MAX_FN_COMPONENT+1) * MAX_NAME_DEPTH) |