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Update get_line_buffer, update new version of get_line_file to work with data that has no new line at eof

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ado
2024-02-23 23:25:03 +01:00
parent 273e8ad950
commit 8881649aca
3 changed files with 46 additions and 30 deletions
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9
include/ss/common.hpp
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@@ -58,14 +58,15 @@ ssize_t get_line_file(char** lineptr, size_t* n, FILE* fp) {
(*lineptr)[0] = '\0';
size_t line_used = 0;
while (fgets(buff, sizeof(buff), fp) != nullptr) {
size_t line_used = strlen(*lineptr);
line_used = strlen(*lineptr);
size_t buff_used = strlen(buff);
if (*n < buff_used + line_used) {
if (*n <= buff_used + line_used) {
size_t new_n = *n * 2;
auto new_lineptr = static_cast<char*>(realloc(*lineptr, *n));
auto new_lineptr = static_cast<char*>(realloc(*lineptr, new_n));
if (new_lineptr == nullptr) {
errno = ENOMEM;
return -1;
@@ -84,7 +85,7 @@ ssize_t get_line_file(char** lineptr, size_t* n, FILE* fp) {
}
}
return -1;
return (line_used != 0) ? line_used : -1;
}
#endif