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pajs |
1.1 |
#include <stdio.h> |
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#include <string.h> |
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#include <local/ukcprog.h> |
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char *get_memory_stats(){ |
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long total=0; |
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long free=0; |
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long used=0; |
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long cache=0; |
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char *xml_memory_stats; |
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#ifdef LINUX |
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FILE *f; |
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char *line; |
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long buffers; |
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#endif |
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#ifdef LINUX |
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if ((f=fopen("/proc/meminfo", "r" ))==NULL) { |
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errf("Failed to open memory stats (%m)"); |
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return NULL; |
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} |
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while((line=fpgetline(f)) != NULL){ |
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if (((strncmp(line,"Mem:",4)) == 0)) { |
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if((sscanf(line, "%*s %ld %ld %ld %*s %ld %ld", &total, &used, &free, &buffers, &cache)) != 5){ |
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errf("Failed to read memory details (%m)"); |
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return NULL; |
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} |
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break; |
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} |
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} |
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if ((fclose(f)) != 0) { |
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errf("Failed to close file (%m)"); |
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return NULL; |
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} |
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cache=cache+buffers; |
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used=total-(free+cache); |
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total=(total/1024)/1024; |
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used=(used/1024)/1024; |
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free=(free/1024)/1024; |
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cache=(free/1024)/1024; |
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#endif |
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if((xml_memory_stats=strf("<memory><total>%ld</total><free>%ld</free><used>%ld</used><cache>%ld</cache></memory>", total, free, used, cache)) == NULL){ |
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errf("strf failed (%m)"); |
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return NULL; |
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} |
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} |
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int main(){ |
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printf("%s\n", get_memory_stats()); |
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exit(0); |
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} |
