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Address emersion's feedback on peek_line

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This commit is contained in:
Brian Ashworth 2018-06-01 18:35:16 -04:00
parent fbca3bbacb
commit af87c7a1af
2 changed files with 5 additions and 5 deletions
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8
common/readline.c
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@ -49,11 +49,11 @@ char *read_line(FILE *file) {
return string; return string;
} }
char *peek_line(FILE *file, int offset, long *position) { char *peek_line(FILE *file, int line_offset, long *position) {
long pos = ftell(file); long pos = ftell(file);
size_t length = 1; size_t length = 0;
char *line = calloc(1, length); char *line = NULL;
for (int i = 0; i <= offset; i++) { for (int i = 0; i <= line_offset; i++) {
ssize_t read = getline(&line, &length, file); ssize_t read = getline(&line, &length, file);
if (read < 0) { if (read < 0) {
break; break;

2
include/readline.h
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@ -4,7 +4,7 @@
#include <stdio.h> #include <stdio.h>
char *read_line(FILE *file); char *read_line(FILE *file);
char *peek_line(FILE *file, int offset, long *position); char *peek_line(FILE *file, int line_offset, long *position);
char *read_line_buffer(FILE *file, char *string, size_t string_len); char *read_line_buffer(FILE *file, char *string, size_t string_len);
#endif #endif