FreeCalypso > hg > freecalypso-tools

annotate rvinterf/include/ffslimits.h @ 416:30f6d1c32c6f

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doc/Flash-boot-defect article removed (no longer relevant) This article is no longer relevant because the issue in question only affected one (1) defective FCDEV3B board which was not and never will be sold.
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 26 Oct 2018 07:11:08 +0000
parents e7502631a0f9
children
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Mychaela Falconia <falcon@freecalypso.org>
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1 /*
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2 * Limits on FFS filenames and pathnames
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3 *
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4 * The deepest pathname allowed is one of the form /1/2/3/4/5/6, where the
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5 * last component may be a file, a directory or a symlink; if this last
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6 * component is a directory, it has to be empty, because any child of
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7 * that directory would violate the depth limit.
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8 *
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9 * The proper FFS pathname form begins with a slash (all pathnames must
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10 * be absolute, no Unix processes in the fw means no current directories),
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11 * has exactly one slash in each separating place (no double slashes),
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12 * and no trailing slash except in the special case of the root directory,
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13 * whose full pathname is "/".
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14 *
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15 * Each component name is [1,20] characters long; combining this limit
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16 * with the maximum depth of 6 puts the maximum length of a properly-formed
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17 * full pathname at 126 characters.
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18 */
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20 #define MAX_FN_COMPONENT 20
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21 #define MAX_NAME_DEPTH 6
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22 #define MAX_FULL_PATHNAME ((MAX_FN_COMPONENT+1) * MAX_NAME_DEPTH)