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annotate ffstools/cal2text/dircheck.c @ 191:80bd2c652c46

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doc/RF-cal/Architecture document written
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 23 Apr 2017 18:01:17 +0000
parents d41edd329670
children
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d41edd329670 fc-cal2text utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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1 /*
d41edd329670 fc-cal2text utility written, compiles
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2 * Both arguments to fc-cal2text must name directories that already exist.
d41edd329670 fc-cal2text utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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3 * Here we implement the check for this requirement.
d41edd329670 fc-cal2text utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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4 */
d41edd329670 fc-cal2text utility written, compiles
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5
d41edd329670 fc-cal2text utility written, compiles
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6 #include <sys/types.h>
d41edd329670 fc-cal2text utility written, compiles
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7 #include <sys/stat.h>
d41edd329670 fc-cal2text utility written, compiles
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8 #include <stdio.h>
d41edd329670 fc-cal2text utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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9 #include <stdlib.h>
d41edd329670 fc-cal2text utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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10 #include <unistd.h>
d41edd329670 fc-cal2text utility written, compiles
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11
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12 check_directory_exists(pathname)
d41edd329670 fc-cal2text utility written, compiles
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13 char *pathname;
d41edd329670 fc-cal2text utility written, compiles
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14 {
d41edd329670 fc-cal2text utility written, compiles
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15 struct stat st;
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16
d41edd329670 fc-cal2text utility written, compiles
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17 if (stat(pathname, &st) < 0) {
d41edd329670 fc-cal2text utility written, compiles
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18 perror(pathname);
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19 exit(1);
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20 }
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21 if (!S_ISDIR(st.st_mode)) {
d41edd329670 fc-cal2text utility written, compiles
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22 fprintf(stderr, "error: %s is not a directory\n", pathname);
d41edd329670 fc-cal2text utility written, compiles
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23 exit(1);
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24 }
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25 return(0);
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26 }