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count.c - spoon - set dwm status |
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git clone git://git.codemadness.org/spoon |
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count.c (619B) |
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1 #include <dirent.h> |
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2 #include <err.h> |
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3 #include <stdio.h> |
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4 #include <string.h> |
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5 |
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6 int |
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7 countread(void *arg, char *buf, size_t len) |
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8 { |
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9 char *path = arg; |
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10 unsigned long count = 0; |
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11 struct dirent *e; |
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12 DIR *d; |
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13 |
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14 if ((d = opendir(path)) == NULL) { |
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15 warn("open %s", path); |
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16 return -1; |
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17 } |
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18 |
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19 while ((e = readdir(d)) != NULL) { |
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20 if (!strcmp(e->d_name, ".") || !strcmp(e->d_name, "..")) |
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21 continue; |
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22 ++count; |
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23 } |
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24 closedir(d); |
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25 |
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26 snprintf(buf, len, "%lu", count); |
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27 |
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28 return 0; |
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29 } |
