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Use direct open/write/close instead of stdlib calls for device IO

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This commit is contained in:
Miles Alan 2020-07-05 22:47:42 -05:00
parent 37941f6ba8
commit aa8513ba84
1 changed files with 6 additions and 5 deletions
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11
programs/sxmo_screenlock.c
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@ -1,4 +1,5 @@
#include <dirent.h> #include <dirent.h>
#include <fcntl.h>
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>
@ -31,11 +32,11 @@ static char * powerstatefile = "/sys/power/state";
void void
writefile(char *filepath, char *str) writefile(char *filepath, char *str)
{ {
FILE *f; int f;
f = fopen(filepath, "w"); f = open(filepath, O_WRONLY);
if (f) { if (f != NULL) {
fprintf(f, "%s\n", str); write(f, str, strlen(str));
fclose(f); close(f);
} else { } else {
fprintf(stderr, "Couldn't open filepath <%s>\n", filepath); fprintf(stderr, "Couldn't open filepath <%s>\n", filepath);
} }