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fix(file.h): close fd on error

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源文雨
2023-12-01 11:01:18 +09:00
parent 9abfcb2cfa
commit 4f0ad83372
1 changed files with 3 additions and 0 deletions
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3
file.h
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@@ -38,11 +38,13 @@ int file_cache_init(file_cache_t* fc, char* path) {
} }
if(fstat(fd, &sb) < 0) { if(fstat(fd, &sb) < 0) {
perror("fstat"); perror("fstat");
close(fd);
return -3; return -3;
} }
if(sb.st_size < page_size) { if(sb.st_size < page_size) {
if(ftruncate(fd, page_size) < 0) { if(ftruncate(fd, page_size) < 0) {
perror("ftruncate"); perror("ftruncate");
close(fd);
return -4; return -4;
} }
sb.st_size = page_size; sb.st_size = page_size;
@@ -125,6 +127,7 @@ int file_cache_realloc(file_cache_t* fc, uint64_t newsize) {
fc->size = (size_t)newsize + sizeof(uint64_t); fc->size = (size_t)newsize + sizeof(uint64_t);
if(ftruncate(fd, fc->size) < 0) { if(ftruncate(fd, fc->size) < 0) {
perror("ftruncate"); perror("ftruncate");
close(fd);
return -4; return -4;
} }
fc->data = mmap(NULL, fc->size, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0); fc->data = mmap(NULL, fc->size, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);