41 lines
772 B
C
41 lines
772 B
C
/* see LICENSE file for details on license */
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#ifndef TSTATUS_FILE_C
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#include <sys/types.h>
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#include <unistd.h>
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#include <stdio.h>
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#include "file.h"
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void populate_buffer(char *buffer, char pattern) {
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/* XXX: we assume the buffer is at least four bytes long */
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int i;
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for(i = 0; i < 3; i++) *(buffer + i) = pattern;
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*(buffer + i + 1) = '\0';
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}
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int read_file_into_buffer(char *filename, char *buffer, ssize_t length) {
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int i;
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if (!access(filename, F_OK) == 0) {
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populate_buffer(buffer, '?');
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return -1;
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}
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FILE *file = fopen(filename, "r");
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i = fread(buffer, 1, length, file);
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*(buffer + i - 1) = '\0';
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if(ferror(file)) {
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populate_buffer(buffer, '!');
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return -1;
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}
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fclose(file);
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*(buffer + i) = '\0';
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return 0;
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}
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#endif
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#define TSTATUS_FILE_C
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