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fix(file): corrected typing for linux implementation of read and write file

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Mineplay5780 2025-12-08 23:18:35 +01:00
parent d44d460cad
commit 6a5a80b3f5
1 changed files with 20 additions and 5 deletions
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25
src/file.c
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@ -47,15 +47,22 @@ CosmsFileError cosms_core_file_read(const char *path, char **content, unsigned l
} }
*size = file_stat.st_size; *size = file_stat.st_size;
*content = (char*)malloc(file_stat.st_size * sizeof(char)); *content = (char*)malloc((file_stat.st_size + 1) * sizeof(char));
if (content == NULL) { if (content == NULL) {
close(file); close(file);
return COSMS_FILE_FAILED_TO_ALLOCATE; return COSMS_FILE_FAILED_TO_ALLOCATE;
} }
unsigned int remaining_bytes = file_stat.st_size; unsigned long long remaining_bytes = file_stat.st_size;
while (remaining_bytes != 0) { while (remaining_bytes != 0) {
int read_bytes = read(file, (*content) + (file_stat.st_size - remaining_bytes), remaining_bytes); unsigned int bytes_to_read;
if (remaining_bytes > UINT_MAX) {
bytes_to_read = UINT_MAX;
} else {
bytes_to_read = (unsigned int)remaining_bytes;
}
int read_bytes = read(file, (*content) + (file_stat.st_size - remaining_bytes), bytes_to_read);
if (read_bytes == -1) { if (read_bytes == -1) {
free(*content); free(*content);
close(file); close(file);
@ -65,6 +72,7 @@ CosmsFileError cosms_core_file_read(const char *path, char **content, unsigned l
remaining_bytes -= read_bytes; remaining_bytes -= read_bytes;
} }
(*content)[file_stat.st_size] = '\0';
close(file); close(file);
#elif defined(_WIN32) #elif defined(_WIN32)
HANDLE file = CreateFile(path, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); HANDLE file = CreateFile(path, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
@ -154,9 +162,16 @@ CosmsFileError cosms_core_file_write(const char *path, const char *content, unsi
} }
} }
unsigned int remaining_bytes = size; unsigned long long remaining_bytes = size;
while (remaining_bytes != 0) { while (remaining_bytes != 0) {
int written_bytes = write(file, content + (size - remaining_bytes), remaining_bytes); unsigned int bytes_to_write;
if (remaining_bytes > UINT_MAX) {
bytes_to_write = UINT_MAX;
} else {
bytes_to_write = (unsigned int)remaining_bytes;
}
int written_bytes = write(file, content + (size - remaining_bytes), bytes_to_write);
if (written_bytes == -1) { if (written_bytes == -1) {
close(file); close(file);
return COSMS_FILE_FAILED_TO_WRITE; return COSMS_FILE_FAILED_TO_WRITE;