| 1 | |
| 2 | #include <stdio.h>
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| 3 | #include <stdlib.h>
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| 4 | #include <string.h>
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| 5 |
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| 6 | static int find_map(void **start, void **end, const char *name)
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| 7 | {
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| 8 | FILE *maps;
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| 9 | char *line = NULL;
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| 10 | size_t len = 0;
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| 11 | int found = 0;
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| 12 |
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| 13 | maps = fopen("/proc/self/maps", "r");
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| 14 | if (!maps) {
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| 15 | fprintf(stderr, "cannot open maps\n");
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| 16 | return -1;
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| 17 | }
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| 18 |
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| 19 | while (!found && getline(&line, &len, maps) != -1) {
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| 20 | int m = -1;
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| 21 |
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| 22 |
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| 23 | if (2 != sscanf(line, "%p-%p r-xp %*x %*x:%*x %*u %n",
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| 24 | start, end, &m))
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| 25 | continue;
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| 26 | if (m < 0)
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| 27 | continue;
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| 28 |
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| 29 | if (!strncmp(&line[m], name, strlen(name)))
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| 30 | found = 1;
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| 31 | }
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| 32 |
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| 33 | free(line);
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| 34 | fclose(maps);
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| 35 | return !found;
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| 36 | }
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