NeroReflex/ROGueENEMY
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Scale change

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This commit is contained in:
Denis 2023-11-19 16:05:18 +01:00
parent c9d06035ae
commit b1c0d05404
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GPG key ID: DD9B63F805CF5C03
1 changed files with 19 additions and 30 deletions
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49
dev_iio.c
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@ -2,6 +2,7 @@
#include <stdlib.h>
static char* read_file(const char* base_path, const char *file) {
char* res = NULL;
char* fdir = NULL;
long len = 0;
@ -21,36 +22,28 @@ static char* read_file(const char* base_path, const char *file) {
len = ftell(fp);
rewind(fp);
free(fdir);
fdir = NULL;
len += 1;
char* res = malloc(len);
res = malloc(len);
if (res != NULL) {
fread(res, 1, len, fp);
fclose(fp);
return res;
unsigned long read_bytes = fread(res, 1, len, fp);
printf("Read %lu bytes from file %s\n", read_bytes, fdir);
} else {
fclose(fp);
fprintf(stderr, "Cannot allocate %ld bytes for %s content.\n", len, fdir);
goto read_file_err;
}
fclose(fp);
} else {
fprintf(stderr, "Cannot open file %s.\n", fdir);
free(fdir);
goto read_file_err;
}
} else {
fprintf(stderr, "File %s does not exists.\n", fdir);
free(fdir);
goto read_file_err;
}
free(fdir);
fdir = NULL;
read_file_err:
return NULL;
return res;
}
int write_file(const char* base_path, const char *file, const void* buf, size_t buf_sz) {
@ -70,32 +63,25 @@ int write_file(const char* base_path, const char *file, const void* buf, size_t
if (access(fdir, F_OK) == 0) {
FILE* fp = fopen(fdir, "w");
if (fp != NULL) {
free(fdir);
fdir = NULL;
res = fwrite(buf, 1, buf_sz, fp);
if (res >= buf_sz) {
fclose(fp);
printf("Written %d bytes to fine %s\n", res, fdir);
return res;
fclose(fp);
} else {
fclose(fp);
fprintf(stderr, "Cannot allocate %ld bytes for %s content.\n", len, fdir);
goto write_file_err;
}
fclose(fp);
} else {
fprintf(stderr, "Cannot open file %s.\n", fdir);
free(fdir);
goto write_file_err;
}
} else {
fprintf(stderr, "File %s does not exists.\n", fdir);
free(fdir);
goto write_file_err;
}
free(fdir);
fdir = NULL;
write_file_err:
return res;
}
@ -268,6 +254,9 @@ dev_iio_t* dev_iio_create(const char* path) {
free(tmp);
// give time to change the scale
sleep(4);
dev_iio_create_err:
return iio;
}