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Update pragma once for file operations

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Use open/read/close instead of fopen/fread/fclose for tcc4tcl and ziptcc
This commit is contained in:
herman ten brugge 2023-06-26 11:19:41 +02:00
parent 4e363a1728
commit c92f4f52d9
1 changed files with 4 additions and 4 deletions
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8
tccpp.c
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@ -1611,20 +1611,20 @@ bad_twosharp:
static unsigned long long calc_file_hash(const char *filename) static unsigned long long calc_file_hash(const char *filename)
{ {
unsigned long long hash = 14695981039346656037ull; // FNV_offset_basis; unsigned long long hash = 14695981039346656037ull; // FNV_offset_basis;
FILE *fp = fopen (filename, "rb"); int fd = open (filename, O_RDONLY | O_BINARY);
if (fp == NULL) if (fd < 0)
return 0; return 0;
for (;;) { for (;;) {
unsigned char temp[IO_BUF_SIZE]; unsigned char temp[IO_BUF_SIZE];
int i, n = fread(temp, 1, sizeof(temp), fp); int i, n = read(fd, temp, sizeof(temp));
if (n <= 0) if (n <= 0)
break; break;
for (i = 0; i < n; i++) for (i = 0; i < n; i++)
hash = hash * 1099511628211ull ^ temp[i]; // FNV_prime hash = hash * 1099511628211ull ^ temp[i]; // FNV_prime
} }
fclose(fp); close(fd);
return hash ? hash : 1ull; return hash ? hash : 1ull;
} }
#endif #endif