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- XtFindFile(3Xt) XT FUNCTIONS XtFindFile(3Xt)
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- NNAAMMEE
- XtFindFile - search for a file using substitutions in the
- path list
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- SSYYNNTTAAXX
- String XtFindFile(_p_a_t_h, _s_u_b_s_t_i_t_u_t_i_o_n_s,
- _n_u_m___s_u_b_s_t_i_t_u_t_i_o_n_s,_p_r_e_d_i_c_a_t_e)
- String _p_a_t_h;
- Substitution _s_u_b_s_t_i_t_u_t_i_o_n_s;
- Cardinal _n_u_m___s_u_b_s_t_i_t_u_t_i_o_n_s;
- XtFilePredicate _p_r_e_d_i_c_a_t_e;
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- AARRGGUUMMEENNTTSS
- _p_a_t_h Specifies a path of file names, including sub-
- stitution characters.
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- _s_u_b_s_t_i_t_u_t_i_o_n_s
- Specifies a list of substitutions to make into a
- path.
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- _n_u_m___s_u_b_s_t_i_t_u_t_i_o_n_s
- Specifies the number of substitutions passed in.
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- _p_r_e_d_i_c_a_t_e Specifies a procedure to call to judge a poten-
- tial file name, or NULL.
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- DDEESSCCRRIIPPTTIIOONN
- The _p_a_t_h parameter specifies a string that consists of a
- series of potential file names delimited by colons.
- Within each name, the percent character specifies a string
- substitution selected by the following character. The
- character sequence ``%:'' specifies an embedded colon that
- is not a delimiter; the sequence is replaced by a single
- colon. The character sequence ``%%'' specifies a percent
- character that does not introduce a substitution; the
- sequence is replaced by a single percent character. If a
- percent character is followed by any other character,
- looks through the specified _s_u_b_s_t_i_t_u_t_i_o_n_s for that charac-
- ter in the _m_a_t_c_h field and if found replaces the percent
- and match characters with the string in the corresponding
- _s_u_b_s_t_i_t_u_t_i_o_n field. A _s_u_b_s_t_i_t_u_t_i_o_n field entry of NULL is
- equivalent to a pointer to an empty string. If the oper-
- ating system does not interpret multiple embedded name
- separators in the path (i.e., ``/'' in POSIX) the same way
- as a single separator, will collapse multiple separators
- into a single one after performing all string substitu-
- tions. Except for collapsing embedded separators, the
- contents of the string substitutions are not interpreted
- by and may therefore contain any operating-system-
- dependent characters, including additional name separa-
- tors. Each resulting string is passed to the predicate
- procedure until a string is found for which the procedure
- returns this string is the return value for If no string
- yields a return from the predicate, returns NULL.
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- X Version 11 Release 6.1 1
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- XtFindFile(3Xt) XT FUNCTIONS XtFindFile(3Xt)
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- If the _p_r_e_d_i_c_a_t_e parameter is NULL, an internal procedure
- that checks if the file exists, is readable, and is not a
- directory will be used.
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- It is the responsibility of the caller to free the
- returned string using when it is no longer needed.
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- SSEEEE AALLSSOO
- _X _T_o_o_l_k_i_t _I_n_t_r_i_n_s_i_c_s _- _C _L_a_n_g_u_a_g_e _I_n_t_e_r_f_a_c_e
- _X_l_i_b _- _C _L_a_n_g_u_a_g_e _X _I_n_t_e_r_f_a_c_e
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- X Version 11 Release 6.1 2
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